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517 B
517 B
uniqueoccurences
Instructions
Write a program that outputs true if the number of occurrences of each character is unique, otherwise false. \n should be at the of line.
If number of arguments is not 1 output \n.
Only lower case characters will be given.
Usage
$> go build
$> ./main "abbaac"
true
$> ./main "ab"
false
$> ./main "abcacccazb"
true
In first example, character 'a' has 3 occurrences, 'b' has 2 and 'c' has 1. No two characters have the same number of occurrences.