Find the frequency of each character in a string (without using a map).

Difficulty: Hard

Phase: 5 · Strings

XP Reward: 30 XP

Topics: Strings, Hard

Supported Languages: Python, JavaScript, C, C++, Java

Problem Description

Print the frequency of each unique character in order of appearance in format 'char: count' on separate lines. Input Format: Read input from standard input (stdin). Output Format: Print the result to standard output (stdout).

Constraints

-10^9 <= N <= 10^9

Examples

Example 1

Input: banana

Output: b: 1 a: 3 n: 2

Explanation: Sample execution for input banana