Find the smallest number that consist of only number 1's (e.g. 11111111111) which satisfy a given divisor and remainder. Then return the sum of its digits.
Example:
remainder = 7 divisor = 12
then dividend = 1111 and the resulting sum is 4.
Solution Stats
Problem Comments
2 Comments
Solution Comments
Show comments
Loading...
Problem Recent Solvers24
Suggested Problems
-
Extract leading non-zero digit
2244 Solvers
-
Find common elements in matrix rows
2713 Solvers
-
421 Solvers
-
Change the sign of even index entries of the reversed vector
642 Solvers
-
Create a Multiplication table matrix...
690 Solvers
More from this Author6
Problem Tags
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!
is there any particular mathematical theory regarding this?..i cant find my way for large numbers.
Hint: For very large numbers made of many 1's, constructing the full number (like '1111111111...') and converting it using str2double will fail.
Instead, use modular arithmetic directly.