{"group":{"id":1,"name":"Community","lockable":false,"created_at":"2012-01-18T18:02:15.000Z","updated_at":"2026-04-06T14:01:22.000Z","description":"Problems submitted by members of the MATLAB Central community.","is_default":true,"created_by":161519,"badge_id":null,"featured":false,"trending":false,"solution_count_in_trending_period":0,"trending_last_calculated":"2026-04-06T00:00:00.000Z","image_id":null,"published":true,"community_created":false,"status_id":2,"is_default_group_for_player":false,"deleted_by":null,"deleted_at":null,"restored_by":null,"restored_at":null,"description_opc":null,"description_html":null,"published_at":null},"problems":[{"id":43611,"title":"microseconds passed today","description":"Calculate the amount of microseconds passed for a given date string. Return the value, rounded to the nearest integer, as a string.","description_html":"\u003cp\u003eCalculate the amount of microseconds passed for a given date string. Return the value, rounded to the nearest integer, as a string.\u003c/p\u003e","function_template":"function y = microsecondsPassedToday(x)\r\n  y = x;\r\nend","test_suite":"%%\r\nx = '24-Oct-2016 20:26:28';\r\ny_correct = '73588000000';\r\nassert(isequal(microsecondsPassedToday(x),y_correct))\r\n\r\n%%\r\nx = '24-Oct-2016 20:29:48';\r\ny_correct = '73788000000';\r\nassert(isequal(microsecondsPassedToday(x),y_correct))\r\n\r\n%%\r\nx = '14-Feb-2002 08:19:04';\r\ny_correct = '29944000000';\r\nassert(isequal(microsecondsPassedToday(x),y_correct))\r\n\r\n%%\r\nx = '07-Apr-1902 10:00:00';\r\ny_correct = '36000000000';\r\nassert(isequal(microsecondsPassedToday(x),y_correct))\r\n\r\n%%\r\nx = '11-Nov-1911 11:11:11';\r\ny_correct = '40271000000';\r\nassert(isequal(microsecondsPassedToday(x),y_correct))","published":true,"deleted":false,"likes_count":2,"comments_count":1,"created_by":57323,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":85,"test_suite_updated_at":"2016-12-05T19:16:06.000Z","rescore_all_solutions":false,"group_id":1,"created_at":"2016-10-24T18:40:02.000Z","updated_at":"2026-01-04T23:59:11.000Z","published_at":"2016-10-24T18:40:02.000Z","restored_at":null,"restored_by":null,"spam":false,"simulink":false,"admin_reviewed":false,"description_opc":"{\"relationships\":[{\"relationshipType\":\"http://schemas.mathworks.com/matlab/code/2013/relationships/document\",\"relationshipId\":\"rId1\",\"target\":\"/matlab/document.xml\"},{\"relationshipType\":\"http://schemas.mathworks.com/matlab/code/2013/relationships/output\",\"relationshipId\":\"rId2\",\"target\":\"/matlab/output.xml\"}],\"parts\":[{\"partUri\":\"/matlab/document.xml\",\"relationship\":[],\"contentType\":\"application/vnd.mathworks.matlab.code.document+xml\",\"content\":\"\u003c?xml version=\\\"1.0\\\" encoding=\\\"UTF-8\\\"?\u003e\u003cw:document xmlns:w=\\\"http://schemas.openxmlformats.org/wordprocessingml/2006/main\\\"\u003e\u003cw:body\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eCalculate the amount of microseconds passed for a given date string. Return the value, rounded to the nearest integer, as a string.\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003c/w:body\u003e\u003c/w:document\u003e\"},{\"partUri\":\"/matlab/output.xml\",\"contentType\":\"text/xml\",\"content\":\"\u003c?xml version=\\\"1.0\\\" encoding=\\\"UTF-8\\\" standalone=\\\"no\\\" ?\u003e\u003cembeddedOutputs\u003e\u003cmetaData\u003e\u003cevaluationState\u003emanual\u003c/evaluationState\u003e\u003clayoutState\u003ecode\u003c/layoutState\u003e\u003coutputStatus\u003eready\u003c/outputStatus\u003e\u003c/metaData\u003e\u003coutputArray type=\\\"array\\\"/\u003e\u003cregionArray type=\\\"array\\\"/\u003e\u003c/embeddedOutputs\u003e\"}]}"},{"id":2196,"title":"Tax Season ! How much is my salary?","description":"Tax Season! I was employed for a period from x until y in a year and I get pay check of amount z on every alternate Friday of the week starting from first Friday since I am employed. Help me find out how much did I earn during my employment period.\r\n\r\nExample\r\n\r\n x = 01-Jan-2014\r\n y = 14-Feb-2014\r\n z = $2000 (x will always be \u003cy)\r\n\r\nThis period has total 4 alternate Fridays which were my \"pay-days\", so the salary for this period was 4*2000 = %8000\r\n\r\n","description_html":"\u003cp\u003eTax Season! I was employed for a period from x until y in a year and I get pay check of amount z on every alternate Friday of the week starting from first Friday since I am employed. Help me find out how much did I earn during my employment period.\u003c/p\u003e\u003cp\u003eExample\u003c/p\u003e\u003cpre\u003e x = 01-Jan-2014\r\n y = 14-Feb-2014\r\n z = $2000 (x will always be \u0026lt;y)\u003c/pre\u003e\u003cp\u003eThis period has total 4 alternate Fridays which were my \"pay-days\", so the salary for this period was 4*2000 = %8000\u003c/p\u003e","function_template":"function salary= AllAboutMoney_Honey(x,y,z)\r\nsalary = 0;\r\nend","test_suite":"%%\r\nx = '01-Jan-2014';\r\ny = '14-Feb-2014';\r\nz = 2000;\r\nsalary = 8000;\r\nassert(isequal(AllAboutMoney_Honey(x,y,z),salary))\r\n\r\n%%\r\nx = '14-Feb-2013';\r\ny = '29-Apr-2013';\r\nz = 3599;\r\nsalary = 21594;\r\nassert(isequal(AllAboutMoney_Honey(x,y,z),salary))\r\n\r\n%%\r\nx = '01-Jan-2012';\r\ny = '31-Dec-2012';\r\nz = 500;\r\nsalary = 13000;\r\nassert(isequal(AllAboutMoney_Honey(x,y,z),salary))\r\n\r\n%%\r\nx = '13-Dec-2011';\r\ny = '28-Jan-2012';\r\nz = 654;\r\nsalary = 2616;\r\nassert(isequal(AllAboutMoney_Honey(x,y,z),salary))\r\n","published":true,"deleted":false,"likes_count":4,"comments_count":1,"created_by":16381,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":83,"test_suite_updated_at":"2014-02-18T17:46:13.000Z","rescore_all_solutions":false,"group_id":1,"created_at":"2014-02-18T17:13:55.000Z","updated_at":"2026-04-07T15:49:00.000Z","published_at":"2014-02-18T17:15:43.000Z","restored_at":null,"restored_by":null,"spam":false,"simulink":false,"admin_reviewed":false,"description_opc":"{\"relationships\":[{\"relationshipType\":\"http://schemas.mathworks.com/matlab/code/2013/relationships/document\",\"targetMode\":\"\",\"relationshipId\":\"rId1\",\"target\":\"/matlab/document.xml\"},{\"relationshipType\":\"http://schemas.mathworks.com/matlab/code/2013/relationships/output\",\"targetMode\":\"\",\"relationshipId\":\"rId2\",\"target\":\"/matlab/output.xml\"}],\"parts\":[{\"partUri\":\"/matlab/document.xml\",\"relationship\":[],\"contentType\":\"application/vnd.mathworks.matlab.code.document+xml\",\"content\":\"\u003c?xml version=\\\"1.0\\\" encoding=\\\"UTF-8\\\"?\u003e\\n\u003cw:document xmlns:w=\\\"http://schemas.openxmlformats.org/wordprocessingml/2006/main\\\"\u003e\u003cw:body\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eTax Season! I was employed for a period from x until y in a year and I get pay check of amount z on every alternate Friday of the week starting from first Friday since I am employed. Help me find out how much did I earn during my employment period.\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eExample\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"code\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003e\u003c![CDATA[ x = 01-Jan-2014\\n y = 14-Feb-2014\\n z = $2000 (x will always be \u003cy)]]\u003e\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eThis period has total 4 alternate Fridays which were my \\\"pay-days\\\", so the salary for this period was 4*2000 = %8000\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003c/w:body\u003e\u003c/w:document\u003e\"},{\"partUri\":\"/matlab/output.xml\",\"contentType\":\"text/xml\",\"content\":\"\u003c?xml version=\\\"1.0\\\" encoding=\\\"UTF-8\\\" standalone=\\\"no\\\" ?\u003e\u003cembeddedOutputs\u003e\u003cmetaData\u003e\u003cevaluationState\u003emanual\u003c/evaluationState\u003e\u003clayoutState\u003ecode\u003c/layoutState\u003e\u003coutputStatus\u003eready\u003c/outputStatus\u003e\u003c/metaData\u003e\u003coutputArray type=\\\"array\\\"/\u003e\u003cregionArray type=\\\"array\\\"/\u003e\u003c/embeddedOutputs\u003e\"}]}"},{"id":43610,"title":"nanoseconds passed today","description":"Calculate the amount of nanoseconds passed in the current day of a certain date string.","description_html":"\u003cp\u003eCalculate the amount of nanoseconds passed in the current day of a certain date string.\u003c/p\u003e","function_template":"function y = nanosecondsPassedToday(x)\r\n  y = x;\r\nend","test_suite":"%%\r\nx = '24-Oct-2016 20:26:28';\r\ny_correct = 73587999999895.69;\r\nassert(abs(nanosecondsPassedToday(x)-y_correct)\u003c0.05)\r\n\r\n%%\r\nx = '24-Oct-2016 20:29:48';\r\ny_correct = 73788000001385.8;\r\nassert(abs(nanosecondsPassedToday(x)-y_correct)\u003c0.05)\r\n\r\n%%\r\nx = '31-Oct-2016 13:19:42';\r\ny_correct = 47982000002637.5;\r\nassert(abs(nanosecondsPassedToday(x)-y_correct)\u003c0.05)\r\n\r\n%%\r\nx = '04-Jan-1972 07:24:17';\r\ny_correct = 26656999999657.3;\r\nassert(abs(nanosecondsPassedToday(x)-y_correct)\u003c0.05)\r\n","published":true,"deleted":false,"likes_count":2,"comments_count":9,"created_by":57323,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":17,"test_suite_updated_at":"2016-12-05T18:57:37.000Z","rescore_all_solutions":false,"group_id":1,"created_at":"2016-10-24T18:32:01.000Z","updated_at":"2026-03-19T08:27:13.000Z","published_at":"2016-10-24T18:32:48.000Z","restored_at":null,"restored_by":null,"spam":false,"simulink":false,"admin_reviewed":false,"description_opc":"{\"relationships\":[{\"relationshipType\":\"http://schemas.mathworks.com/matlab/code/2013/relationships/document\",\"relationshipId\":\"rId1\",\"target\":\"/matlab/document.xml\"},{\"relationshipType\":\"http://schemas.mathworks.com/matlab/code/2013/relationships/output\",\"relationshipId\":\"rId2\",\"target\":\"/matlab/output.xml\"}],\"parts\":[{\"partUri\":\"/matlab/document.xml\",\"relationship\":[],\"contentType\":\"application/vnd.mathworks.matlab.code.document+xml\",\"content\":\"\u003c?xml version=\\\"1.0\\\" encoding=\\\"UTF-8\\\"?\u003e\u003cw:document xmlns:w=\\\"http://schemas.openxmlformats.org/wordprocessingml/2006/main\\\"\u003e\u003cw:body\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eCalculate the amount of nanoseconds passed in the current day of a certain date string.\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003c/w:body\u003e\u003c/w:document\u003e\"},{\"partUri\":\"/matlab/output.xml\",\"contentType\":\"text/xml\",\"content\":\"\u003c?xml version=\\\"1.0\\\" encoding=\\\"UTF-8\\\" standalone=\\\"no\\\" ?\u003e\u003cembeddedOutputs\u003e\u003cmetaData\u003e\u003cevaluationState\u003emanual\u003c/evaluationState\u003e\u003clayoutState\u003ecode\u003c/layoutState\u003e\u003coutputStatus\u003eready\u003c/outputStatus\u003e\u003c/metaData\u003e\u003coutputArray type=\\\"array\\\"/\u003e\u003cregionArray type=\\\"array\\\"/\u003e\u003c/embeddedOutputs\u003e\"}]}"},{"id":2198,"title":"Find my birthday","description":"Given a birth date x, find my age when my birth day will fall on the same day as I was born. So if I was born on Monday, what age will I be when my birthday once again falls on a Monday.\r\nThere can be multiple outputs of this. You need to return first occurrence.","description_html":"\u003cdiv style = \"text-align: start; line-height: 20.4333px; min-height: 0px; white-space: normal; color: rgb(0, 0, 0); font-family: Menlo, Monaco, Consolas, monospace; font-style: normal; font-size: 14px; font-weight: 400; text-decoration: rgb(0, 0, 0); white-space: normal; \"\u003e\u003cdiv style=\"block-size: 72px; display: block; min-width: 0px; padding-block-start: 0px; padding-top: 0px; perspective-origin: 407px 36px; transform-origin: 407px 36px; vertical-align: baseline; \"\u003e\u003cdiv style=\"block-size: 42px; font-family: Helvetica, Arial, sans-serif; line-height: 21px; margin-block-end: 9px; margin-block-start: 2px; margin-bottom: 9px; margin-inline-end: 10px; margin-inline-start: 4px; margin-left: 4px; margin-right: 10px; margin-top: 2px; perspective-origin: 384px 21px; text-align: left; transform-origin: 384px 21px; white-space: pre-wrap; margin-left: 4px; margin-top: 2px; margin-bottom: 9px; margin-right: 10px; \"\u003e\u003cspan style=\"block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 373.5px 8px; transform-origin: 373.5px 8px; unicode-bidi: normal; \"\u003e\u003cspan style=\"\"\u003eGiven a birth date x, find my age when my birth day will fall on the same day as I was born. So if I was born on Monday, what age will I be when my birthday once again falls on a Monday.\u003c/span\u003e\u003c/span\u003e\u003c/div\u003e\u003cdiv style=\"block-size: 21px; font-family: Helvetica, Arial, sans-serif; line-height: 21px; margin-block-end: 9px; margin-block-start: 2px; margin-bottom: 9px; margin-inline-end: 10px; margin-inline-start: 4px; margin-left: 4px; margin-right: 10px; margin-top: 2px; perspective-origin: 384px 10.5px; text-align: left; transform-origin: 384px 10.5px; white-space: pre-wrap; margin-left: 4px; margin-top: 2px; margin-bottom: 9px; margin-right: 10px; \"\u003e\u003cspan style=\"block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 231px 8px; transform-origin: 231px 8px; unicode-bidi: normal; \"\u003e\u003cspan style=\"\"\u003eThere can be multiple outputs of this. You need to return first occurrence.\u003c/span\u003e\u003c/span\u003e\u003c/div\u003e\u003c/div\u003e\u003c/div\u003e","function_template":"function age = FindMyBday(x)\r\n  age= 100;\r\nend","test_suite":"%%\r\nx = '01-Jan-1990';\r\ny_correct = 6;\r\nassert(isequal(FindMyBday(x),y_correct))\r\n\r\n%%\r\nx = '04-Sep-1985';\r\ny_correct = 6;\r\nassert(isequal(FindMyBday(x),y_correct))\r\n\r\n%%\r\nx = '01-Aug-2000';\r\ny_correct = 6;\r\nassert(isequal(FindMyBday(x),y_correct))\r\n\r\n%%\r\nx = '26-Jun-2012';\r\ny_correct = 6;\r\nassert(isequal(FindMyBday(x),y_correct))\r\n\r\n%%\r\nx = '16-Jun-1983';\r\ny_correct = 5;\r\nassert(isequal(FindMyBday(x),y_correct))\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n","published":true,"deleted":false,"likes_count":5,"comments_count":2,"created_by":16381,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":104,"test_suite_updated_at":"2022-01-27T15:01:09.000Z","rescore_all_solutions":false,"group_id":1,"created_at":"2014-02-18T20:51:55.000Z","updated_at":"2026-01-13T20:46:15.000Z","published_at":"2014-02-18T20:52:27.000Z","restored_at":null,"restored_by":null,"spam":false,"simulink":false,"admin_reviewed":false,"description_opc":"{\"parts\":[{\"partUri\":\"/matlab/document.xml\",\"contentType\":\"application/vnd.mathworks.matlab.code.document+xml\",\"content\":\"\u003c?xml version=\\\"1.0\\\" encoding=\\\"UTF-8\\\"?\u003e\u003cw:document xmlns:w=\\\"http://schemas.openxmlformats.org/wordprocessingml/2006/main\\\"\u003e\u003cw:body\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003cw:jc w:val=\\\"left\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eGiven a birth date x, find my age when my birth day will fall on the same day as I was born. So if I was born on Monday, what age will I be when my birthday once again falls on a Monday.\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003cw:jc w:val=\\\"left\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eThere can be multiple outputs of this. You need to return first occurrence.\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003c/w:body\u003e\u003c/w:document\u003e\",\"relationship\":null}],\"relationships\":[{\"relationshipType\":\"http://schemas.mathworks.com/matlab/code/2013/relationships/document\",\"target\":\"/matlab/document.xml\",\"relationshipId\":\"rId1\"}]}"}],"problem_search":{"errors":[],"problems":[{"id":43611,"title":"microseconds passed today","description":"Calculate the amount of microseconds passed for a given date string. Return the value, rounded to the nearest integer, as a string.","description_html":"\u003cp\u003eCalculate the amount of microseconds passed for a given date string. Return the value, rounded to the nearest integer, as a string.\u003c/p\u003e","function_template":"function y = microsecondsPassedToday(x)\r\n  y = x;\r\nend","test_suite":"%%\r\nx = '24-Oct-2016 20:26:28';\r\ny_correct = '73588000000';\r\nassert(isequal(microsecondsPassedToday(x),y_correct))\r\n\r\n%%\r\nx = '24-Oct-2016 20:29:48';\r\ny_correct = '73788000000';\r\nassert(isequal(microsecondsPassedToday(x),y_correct))\r\n\r\n%%\r\nx = '14-Feb-2002 08:19:04';\r\ny_correct = '29944000000';\r\nassert(isequal(microsecondsPassedToday(x),y_correct))\r\n\r\n%%\r\nx = '07-Apr-1902 10:00:00';\r\ny_correct = '36000000000';\r\nassert(isequal(microsecondsPassedToday(x),y_correct))\r\n\r\n%%\r\nx = '11-Nov-1911 11:11:11';\r\ny_correct = '40271000000';\r\nassert(isequal(microsecondsPassedToday(x),y_correct))","published":true,"deleted":false,"likes_count":2,"comments_count":1,"created_by":57323,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":85,"test_suite_updated_at":"2016-12-05T19:16:06.000Z","rescore_all_solutions":false,"group_id":1,"created_at":"2016-10-24T18:40:02.000Z","updated_at":"2026-01-04T23:59:11.000Z","published_at":"2016-10-24T18:40:02.000Z","restored_at":null,"restored_by":null,"spam":false,"simulink":false,"admin_reviewed":false,"description_opc":"{\"relationships\":[{\"relationshipType\":\"http://schemas.mathworks.com/matlab/code/2013/relationships/document\",\"relationshipId\":\"rId1\",\"target\":\"/matlab/document.xml\"},{\"relationshipType\":\"http://schemas.mathworks.com/matlab/code/2013/relationships/output\",\"relationshipId\":\"rId2\",\"target\":\"/matlab/output.xml\"}],\"parts\":[{\"partUri\":\"/matlab/document.xml\",\"relationship\":[],\"contentType\":\"application/vnd.mathworks.matlab.code.document+xml\",\"content\":\"\u003c?xml version=\\\"1.0\\\" encoding=\\\"UTF-8\\\"?\u003e\u003cw:document xmlns:w=\\\"http://schemas.openxmlformats.org/wordprocessingml/2006/main\\\"\u003e\u003cw:body\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eCalculate the amount of microseconds passed for a given date string. Return the value, rounded to the nearest integer, as a string.\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003c/w:body\u003e\u003c/w:document\u003e\"},{\"partUri\":\"/matlab/output.xml\",\"contentType\":\"text/xml\",\"content\":\"\u003c?xml version=\\\"1.0\\\" encoding=\\\"UTF-8\\\" standalone=\\\"no\\\" ?\u003e\u003cembeddedOutputs\u003e\u003cmetaData\u003e\u003cevaluationState\u003emanual\u003c/evaluationState\u003e\u003clayoutState\u003ecode\u003c/layoutState\u003e\u003coutputStatus\u003eready\u003c/outputStatus\u003e\u003c/metaData\u003e\u003coutputArray type=\\\"array\\\"/\u003e\u003cregionArray type=\\\"array\\\"/\u003e\u003c/embeddedOutputs\u003e\"}]}"},{"id":2196,"title":"Tax Season ! How much is my salary?","description":"Tax Season! I was employed for a period from x until y in a year and I get pay check of amount z on every alternate Friday of the week starting from first Friday since I am employed. Help me find out how much did I earn during my employment period.\r\n\r\nExample\r\n\r\n x = 01-Jan-2014\r\n y = 14-Feb-2014\r\n z = $2000 (x will always be \u003cy)\r\n\r\nThis period has total 4 alternate Fridays which were my \"pay-days\", so the salary for this period was 4*2000 = %8000\r\n\r\n","description_html":"\u003cp\u003eTax Season! I was employed for a period from x until y in a year and I get pay check of amount z on every alternate Friday of the week starting from first Friday since I am employed. Help me find out how much did I earn during my employment period.\u003c/p\u003e\u003cp\u003eExample\u003c/p\u003e\u003cpre\u003e x = 01-Jan-2014\r\n y = 14-Feb-2014\r\n z = $2000 (x will always be \u0026lt;y)\u003c/pre\u003e\u003cp\u003eThis period has total 4 alternate Fridays which were my \"pay-days\", so the salary for this period was 4*2000 = %8000\u003c/p\u003e","function_template":"function salary= AllAboutMoney_Honey(x,y,z)\r\nsalary = 0;\r\nend","test_suite":"%%\r\nx = '01-Jan-2014';\r\ny = '14-Feb-2014';\r\nz = 2000;\r\nsalary = 8000;\r\nassert(isequal(AllAboutMoney_Honey(x,y,z),salary))\r\n\r\n%%\r\nx = '14-Feb-2013';\r\ny = '29-Apr-2013';\r\nz = 3599;\r\nsalary = 21594;\r\nassert(isequal(AllAboutMoney_Honey(x,y,z),salary))\r\n\r\n%%\r\nx = '01-Jan-2012';\r\ny = '31-Dec-2012';\r\nz = 500;\r\nsalary = 13000;\r\nassert(isequal(AllAboutMoney_Honey(x,y,z),salary))\r\n\r\n%%\r\nx = '13-Dec-2011';\r\ny = '28-Jan-2012';\r\nz = 654;\r\nsalary = 2616;\r\nassert(isequal(AllAboutMoney_Honey(x,y,z),salary))\r\n","published":true,"deleted":false,"likes_count":4,"comments_count":1,"created_by":16381,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":83,"test_suite_updated_at":"2014-02-18T17:46:13.000Z","rescore_all_solutions":false,"group_id":1,"created_at":"2014-02-18T17:13:55.000Z","updated_at":"2026-04-07T15:49:00.000Z","published_at":"2014-02-18T17:15:43.000Z","restored_at":null,"restored_by":null,"spam":false,"simulink":false,"admin_reviewed":false,"description_opc":"{\"relationships\":[{\"relationshipType\":\"http://schemas.mathworks.com/matlab/code/2013/relationships/document\",\"targetMode\":\"\",\"relationshipId\":\"rId1\",\"target\":\"/matlab/document.xml\"},{\"relationshipType\":\"http://schemas.mathworks.com/matlab/code/2013/relationships/output\",\"targetMode\":\"\",\"relationshipId\":\"rId2\",\"target\":\"/matlab/output.xml\"}],\"parts\":[{\"partUri\":\"/matlab/document.xml\",\"relationship\":[],\"contentType\":\"application/vnd.mathworks.matlab.code.document+xml\",\"content\":\"\u003c?xml version=\\\"1.0\\\" encoding=\\\"UTF-8\\\"?\u003e\\n\u003cw:document xmlns:w=\\\"http://schemas.openxmlformats.org/wordprocessingml/2006/main\\\"\u003e\u003cw:body\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eTax Season! I was employed for a period from x until y in a year and I get pay check of amount z on every alternate Friday of the week starting from first Friday since I am employed. Help me find out how much did I earn during my employment period.\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eExample\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"code\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003e\u003c![CDATA[ x = 01-Jan-2014\\n y = 14-Feb-2014\\n z = $2000 (x will always be \u003cy)]]\u003e\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eThis period has total 4 alternate Fridays which were my \\\"pay-days\\\", so the salary for this period was 4*2000 = %8000\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003c/w:body\u003e\u003c/w:document\u003e\"},{\"partUri\":\"/matlab/output.xml\",\"contentType\":\"text/xml\",\"content\":\"\u003c?xml version=\\\"1.0\\\" encoding=\\\"UTF-8\\\" standalone=\\\"no\\\" ?\u003e\u003cembeddedOutputs\u003e\u003cmetaData\u003e\u003cevaluationState\u003emanual\u003c/evaluationState\u003e\u003clayoutState\u003ecode\u003c/layoutState\u003e\u003coutputStatus\u003eready\u003c/outputStatus\u003e\u003c/metaData\u003e\u003coutputArray type=\\\"array\\\"/\u003e\u003cregionArray type=\\\"array\\\"/\u003e\u003c/embeddedOutputs\u003e\"}]}"},{"id":43610,"title":"nanoseconds passed today","description":"Calculate the amount of nanoseconds passed in the current day of a certain date string.","description_html":"\u003cp\u003eCalculate the amount of nanoseconds passed in the current day of a certain date string.\u003c/p\u003e","function_template":"function y = nanosecondsPassedToday(x)\r\n  y = x;\r\nend","test_suite":"%%\r\nx = '24-Oct-2016 20:26:28';\r\ny_correct = 73587999999895.69;\r\nassert(abs(nanosecondsPassedToday(x)-y_correct)\u003c0.05)\r\n\r\n%%\r\nx = '24-Oct-2016 20:29:48';\r\ny_correct = 73788000001385.8;\r\nassert(abs(nanosecondsPassedToday(x)-y_correct)\u003c0.05)\r\n\r\n%%\r\nx = '31-Oct-2016 13:19:42';\r\ny_correct = 47982000002637.5;\r\nassert(abs(nanosecondsPassedToday(x)-y_correct)\u003c0.05)\r\n\r\n%%\r\nx = '04-Jan-1972 07:24:17';\r\ny_correct = 26656999999657.3;\r\nassert(abs(nanosecondsPassedToday(x)-y_correct)\u003c0.05)\r\n","published":true,"deleted":false,"likes_count":2,"comments_count":9,"created_by":57323,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":17,"test_suite_updated_at":"2016-12-05T18:57:37.000Z","rescore_all_solutions":false,"group_id":1,"created_at":"2016-10-24T18:32:01.000Z","updated_at":"2026-03-19T08:27:13.000Z","published_at":"2016-10-24T18:32:48.000Z","restored_at":null,"restored_by":null,"spam":false,"simulink":false,"admin_reviewed":false,"description_opc":"{\"relationships\":[{\"relationshipType\":\"http://schemas.mathworks.com/matlab/code/2013/relationships/document\",\"relationshipId\":\"rId1\",\"target\":\"/matlab/document.xml\"},{\"relationshipType\":\"http://schemas.mathworks.com/matlab/code/2013/relationships/output\",\"relationshipId\":\"rId2\",\"target\":\"/matlab/output.xml\"}],\"parts\":[{\"partUri\":\"/matlab/document.xml\",\"relationship\":[],\"contentType\":\"application/vnd.mathworks.matlab.code.document+xml\",\"content\":\"\u003c?xml version=\\\"1.0\\\" encoding=\\\"UTF-8\\\"?\u003e\u003cw:document xmlns:w=\\\"http://schemas.openxmlformats.org/wordprocessingml/2006/main\\\"\u003e\u003cw:body\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eCalculate the amount of nanoseconds passed in the current day of a certain date string.\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003c/w:body\u003e\u003c/w:document\u003e\"},{\"partUri\":\"/matlab/output.xml\",\"contentType\":\"text/xml\",\"content\":\"\u003c?xml version=\\\"1.0\\\" encoding=\\\"UTF-8\\\" standalone=\\\"no\\\" ?\u003e\u003cembeddedOutputs\u003e\u003cmetaData\u003e\u003cevaluationState\u003emanual\u003c/evaluationState\u003e\u003clayoutState\u003ecode\u003c/layoutState\u003e\u003coutputStatus\u003eready\u003c/outputStatus\u003e\u003c/metaData\u003e\u003coutputArray type=\\\"array\\\"/\u003e\u003cregionArray type=\\\"array\\\"/\u003e\u003c/embeddedOutputs\u003e\"}]}"},{"id":2198,"title":"Find my birthday","description":"Given a birth date x, find my age when my birth day will fall on the same day as I was born. So if I was born on Monday, what age will I be when my birthday once again falls on a Monday.\r\nThere can be multiple outputs of this. You need to return first occurrence.","description_html":"\u003cdiv style = \"text-align: start; line-height: 20.4333px; min-height: 0px; white-space: normal; color: rgb(0, 0, 0); font-family: Menlo, Monaco, Consolas, monospace; font-style: normal; font-size: 14px; font-weight: 400; text-decoration: rgb(0, 0, 0); white-space: normal; \"\u003e\u003cdiv style=\"block-size: 72px; display: block; min-width: 0px; padding-block-start: 0px; padding-top: 0px; perspective-origin: 407px 36px; transform-origin: 407px 36px; vertical-align: baseline; \"\u003e\u003cdiv style=\"block-size: 42px; font-family: Helvetica, Arial, sans-serif; line-height: 21px; margin-block-end: 9px; margin-block-start: 2px; margin-bottom: 9px; margin-inline-end: 10px; margin-inline-start: 4px; margin-left: 4px; margin-right: 10px; margin-top: 2px; perspective-origin: 384px 21px; text-align: left; transform-origin: 384px 21px; white-space: pre-wrap; margin-left: 4px; margin-top: 2px; margin-bottom: 9px; margin-right: 10px; \"\u003e\u003cspan style=\"block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 373.5px 8px; transform-origin: 373.5px 8px; unicode-bidi: normal; \"\u003e\u003cspan style=\"\"\u003eGiven a birth date x, find my age when my birth day will fall on the same day as I was born. So if I was born on Monday, what age will I be when my birthday once again falls on a Monday.\u003c/span\u003e\u003c/span\u003e\u003c/div\u003e\u003cdiv style=\"block-size: 21px; font-family: Helvetica, Arial, sans-serif; line-height: 21px; margin-block-end: 9px; margin-block-start: 2px; margin-bottom: 9px; margin-inline-end: 10px; margin-inline-start: 4px; margin-left: 4px; margin-right: 10px; margin-top: 2px; perspective-origin: 384px 10.5px; text-align: left; transform-origin: 384px 10.5px; white-space: pre-wrap; margin-left: 4px; margin-top: 2px; margin-bottom: 9px; margin-right: 10px; \"\u003e\u003cspan style=\"block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 231px 8px; transform-origin: 231px 8px; unicode-bidi: normal; \"\u003e\u003cspan style=\"\"\u003eThere can be multiple outputs of this. You need to return first occurrence.\u003c/span\u003e\u003c/span\u003e\u003c/div\u003e\u003c/div\u003e\u003c/div\u003e","function_template":"function age = FindMyBday(x)\r\n  age= 100;\r\nend","test_suite":"%%\r\nx = '01-Jan-1990';\r\ny_correct = 6;\r\nassert(isequal(FindMyBday(x),y_correct))\r\n\r\n%%\r\nx = '04-Sep-1985';\r\ny_correct = 6;\r\nassert(isequal(FindMyBday(x),y_correct))\r\n\r\n%%\r\nx = '01-Aug-2000';\r\ny_correct = 6;\r\nassert(isequal(FindMyBday(x),y_correct))\r\n\r\n%%\r\nx = '26-Jun-2012';\r\ny_correct = 6;\r\nassert(isequal(FindMyBday(x),y_correct))\r\n\r\n%%\r\nx = '16-Jun-1983';\r\ny_correct = 5;\r\nassert(isequal(FindMyBday(x),y_correct))\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n","published":true,"deleted":false,"likes_count":5,"comments_count":2,"created_by":16381,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":104,"test_suite_updated_at":"2022-01-27T15:01:09.000Z","rescore_all_solutions":false,"group_id":1,"created_at":"2014-02-18T20:51:55.000Z","updated_at":"2026-01-13T20:46:15.000Z","published_at":"2014-02-18T20:52:27.000Z","restored_at":null,"restored_by":null,"spam":false,"simulink":false,"admin_reviewed":false,"description_opc":"{\"parts\":[{\"partUri\":\"/matlab/document.xml\",\"contentType\":\"application/vnd.mathworks.matlab.code.document+xml\",\"content\":\"\u003c?xml version=\\\"1.0\\\" encoding=\\\"UTF-8\\\"?\u003e\u003cw:document xmlns:w=\\\"http://schemas.openxmlformats.org/wordprocessingml/2006/main\\\"\u003e\u003cw:body\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003cw:jc w:val=\\\"left\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eGiven a birth date x, find my age when my birth day will fall on the same day as I was born. So if I was born on Monday, what age will I be when my birthday once again falls on a Monday.\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003cw:jc w:val=\\\"left\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eThere can be multiple outputs of this. You need to return first occurrence.\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003c/w:body\u003e\u003c/w:document\u003e\",\"relationship\":null}],\"relationships\":[{\"relationshipType\":\"http://schemas.mathworks.com/matlab/code/2013/relationships/document\",\"target\":\"/matlab/document.xml\",\"relationshipId\":\"rId1\"}]}"}],"term":"tag:\"datenum\"","current_player_id":null,"fields":[{"name":"page","type":"integer","callback":null,"default":1,"directive":null,"facet":null,"facet_method":"and","operator":null,"param":null,"static":null,"prepend":true},{"name":"per_page","type":"integer","callback":null,"default":50,"directive":null,"facet":null,"facet_method":"and","operator":null,"param":null,"static":null,"prepend":true},{"name":"sort","type":"string","callback":null,"default":null,"directive":null,"facet":null,"facet_method":"and","operator":null,"param":null,"static":null,"prepend":true},{"name":"body","type":"text","callback":null,"default":"*:*","directive":null,"facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":false},{"name":"group","type":"string","callback":null,"default":null,"directive":"group","facet":true,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"difficulty_rating_bin","type":"string","callback":null,"default":null,"directive":"difficulty_rating_bin","facet":true,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"id","type":"integer","callback":null,"default":null,"directive":"id","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"tag","type":"string","callback":null,"default":null,"directive":"tag","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"product","type":"string","callback":null,"default":null,"directive":"product","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"created_at","type":"timeframe","callback":{},"default":null,"directive":"created_at","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"profile_id","type":"integer","callback":null,"default":null,"directive":"author_id","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"created_by","type":"string","callback":null,"default":null,"directive":"author","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"player_id","type":"integer","callback":null,"default":null,"directive":"solver_id","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"player","type":"string","callback":null,"default":null,"directive":"solver","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"solvers_count","type":"integer","callback":null,"default":null,"directive":"solvers_count","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"comments_count","type":"integer","callback":null,"default":null,"directive":"comments_count","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"likes_count","type":"integer","callback":null,"default":null,"directive":"likes_count","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"leader_id","type":"integer","callback":null,"default":null,"directive":"leader_id","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"leading_solution","type":"integer","callback":null,"default":null,"directive":"leading_solution","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true}],"filters":[{"name":"asset_type","type":"string","callback":null,"default":null,"directive":null,"facet":null,"facet_method":"and","operator":null,"param":null,"static":"\"cody:problem\"","prepend":true},{"name":"profile_id","type":"integer","callback":{},"default":null,"directive":null,"facet":null,"facet_method":"and","operator":null,"param":"author_id","static":null,"prepend":true}],"query":{"params":{"per_page":50,"term":"tag:\"datenum\"","current_player":null,"sort":"map(difficulty_value,0,0,999) 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asc"},"parser":"MathWorks::Search::Solr::QueryParser","directives":{"term":{"directives":{"tag":[["tag:\"datenum\"","","\"","datenum","\""]]}}},"facets":{"#\u003cMathWorks::Search::Field:0x00007f6c92d61ae0\u003e":null,"#\u003cMathWorks::Search::Field:0x00007f6c92d61a40\u003e":null},"filters":{"#\u003cMathWorks::Search::Field:0x00007f6c92d61180\u003e":"\"cody:problem\""},"fields":{"#\u003cMathWorks::Search::Field:0x00007f6c92d61d60\u003e":1,"#\u003cMathWorks::Search::Field:0x00007f6c92d61cc0\u003e":50,"#\u003cMathWorks::Search::Field:0x00007f6c92d61c20\u003e":"map(difficulty_value,0,0,999) asc","#\u003cMathWorks::Search::Field:0x00007f6c92d61b80\u003e":"tag:\"datenum\""},"user_query":{"#\u003cMathWorks::Search::Field:0x00007f6c92d61b80\u003e":"tag:\"datenum\""},"queried_facets":{}},"options":{"fields":["id","difficulty_rating"]},"join":" "},"results":[{"id":43611,"difficulty_rating":"easy-medium"},{"id":2196,"difficulty_rating":"easy-medium"},{"id":43610,"difficulty_rating":"easy-medium"},{"id":2198,"difficulty_rating":"medium"}]}}