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512 B
512 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 end of the line.
If number of arguments is not 1 output nothing.
Only lower case characters will be given.
Usage
$ go run . abbaac
true
$ go run . ab
false
$ go run . 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.