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 Solvers141
Suggested Problems
-
Determine whether a vector is monotonically increasing
20140 Solvers
-
Swap the first and last columns
19829 Solvers
-
Back to basics 20 - singleton dimensions
268 Solvers
-
Solving Quadratic Equations (Version 1)
481 Solvers
-
358 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!