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
-
Reverse the Words (not letters) of a String
440 Solvers
-
11076 Solvers
-
Permute diagonal and antidiagonal
438 Solvers
-
Returning a "greater than" vector
254 Solvers
-
Solving Quadratic Equations (Version 1)
483 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!