Practice Real Company Assessment Patterns • Latest 2025–2026 Mock Tests

Programming Exercises

Write a program to count the occurrences of each character in a string.

Medium

Problem Statement

Write a program to count the occurrences of each character in a string.

Sample Input

"hello"

Sample Output

{ h: 1, e: 1, l: 2, o: 1 }

Limits

Time: 2s · Memory: 256 MB

Code Editor
00:00
// Count occurrences of each character function countCharacters(str) { } console.log(countCharacters("hello"));
Log in or sign up to run or submit your code.Log inSign up
Input
"hello"
Expected Output
{ h: 1, e: 1, l: 2, o: 1 }