Problem 288. Construct a string from letters and counts
Given two input arrays like this: [5,3,1] ['a','b','c']
Output a string that contains each letter the specified number of times, e.g.:
'aaaaabbbc'
If given an invalid input (for example, a negative number), output the string 'ERROR'.
Solution Stats
Problem Comments
-
1 Comment
Alex Feinman
on 8 Feb 2012
Now with improved tests, and reference solution (which I'm sure you can beat).
Solution Comments
Show commentsProblem Recent Solvers142
Suggested Problems
-
Find common elements in matrix rows
2633 Solvers
-
4467 Solvers
-
449 Solvers
-
Find Index of maximum Value and maximum Value of a vector
165 Solvers
-
Back to basics - mean of corner elements of a matrix
416 Solvers
More from this Author3
Problem Tags
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!