Rui Song

Rui Song submitted Solution 1560131 to Problem 167. Pizza!

on 20 Dec 2022

Rui Song submitted Solution 1608735 to Problem 18. Bullseye Matrix

on 14 Aug 2018

Rui Song submitted Solution 1596174 to Problem 39. Which values occur exactly three times?

on 31 Jul 2018

Rui Song submitted Solution 1596173 to Problem 39. Which values occur exactly three times?

on 31 Jul 2018

Rui Song submitted Solution 1594770 to Problem 233. Reverse the vector

on 28 Jul 2018

Rui Song submitted Solution 1594763 to Problem 1658. Simple equation: Annual salary

on 28 Jul 2018

Rui Song submitted Solution 1594762 to Problem 109. Check if sorted

on 28 Jul 2018

Rui Song submitted Solution 1594669 to Problem 30. Sort a list of complex numbers based on far they are from the origin.

on 28 Jul 2018

Rui Song submitted Solution 1561077 to Problem 22. Remove the vowels

on 15 Jun 2018

Rui Song submitted Solution 1561063 to Problem 20. Summing digits

on 15 Jun 2018

Rui Song submitted Solution 1560817 to Problem 21. Return the 3n+1 sequence for n

on 15 Jun 2018

Rui Song submitted Solution 1560803 to Problem 32. Most nonzero elements in row

on 15 Jun 2018

Rui Song submitted Solution 1560798 to Problem 9. Who Has the Most Change?

on 15 Jun 2018

Rui Song received Commenter badge for Problem 9. Who Has the Most Change?

on 15 Jun 2018

Rui Song submitted a Comment to Problem 9. Who Has the Most Change?

on 15 Jun 2018

Rui Song submitted Solution 1560761 to Problem 11. Back and Forth Rows

on 15 Jun 2018

Rui Song submitted Solution 1560752 to Problem 189. Sum all integers from 1 to 2^n

on 15 Jun 2018

Rui Song submitted Solution 1560736 to Problem 14. Find the numeric mean of the prime numbers in a matrix.

on 15 Jun 2018

Rui Song submitted Solution 1560467 to Problem 25. Remove any row in which a NaN appears

on 14 Jun 2018

Rui Song submitted Solution 1560442 to Problem 106. Weighted average

on 14 Jun 2018

Rui Song submitted Solution 1560320 to Problem 23. Finding Perfect Squares

on 14 Jun 2018

Rui Song submitted Solution 1560297 to Problem 12. Fibonacci sequence

on 14 Jun 2018

Rui Song submitted Solution 1560239 to Problem 10. Determine whether a vector is monotonically increasing

on 14 Jun 2018

Rui Song submitted Solution 1560234 to Problem 10. Determine whether a vector is monotonically increasing

on 14 Jun 2018

Rui Song submitted Solution 1560232 to Problem 10. Determine whether a vector is monotonically increasing

on 14 Jun 2018

Rui Song submitted Solution 1560194 to Problem 19. Swap the first and last columns

on 14 Jun 2018

Rui Song submitted Solution 1560192 to Problem 19. Swap the first and last columns

on 14 Jun 2018

Rui Song submitted Solution 1560172 to Problem 4. Make a checkerboard matrix

on 14 Jun 2018

Rui Song submitted Solution 1560134 to Problem 149. Is my wife right?

on 14 Jun 2018

Rui Song submitted Solution 1559961 to Problem 17. Find all elements less than 0 or greater than 10 and replace them with NaN

on 14 Jun 2018

Rui Song submitted Solution 1559958 to Problem 5. Triangle Numbers

on 14 Jun 2018

Rui Song submitted Solution 1559957 to Problem 5. Triangle Numbers

on 14 Jun 2018

Rui Song submitted Solution 1559952 to Problem 7. Column Removal

on 14 Jun 2018

Rui Song submitted Solution 1559945 to Problem 6. Select every other element of a vector

on 14 Jun 2018

Rui Song submitted Solution 1559884 to Problem 26. Determine if input is odd

on 14 Jun 2018

Rui Song submitted Solution 1559874 to Problem 8. Add two numbers

on 14 Jun 2018

Rui Song submitted Solution 1559872 to Problem 3. Find the sum of all the numbers of the input vector

on 14 Jun 2018

Rui Song submitted Solution 1559870 to Problem 3. Find the sum of all the numbers of the input vector

on 14 Jun 2018

Rui Song received Solver badge for Solution 1559866

on 14 Jun 2018

Rui Song submitted Solution 1559866 to Problem 1. Times 2 - START HERE

on 14 Jun 2018