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First Occurrence in String

Lesson 6 of 15 in Coddy's Recursion Challenges - Master The Recursive Thinking course.

Challenge

Easy

Write a function named findIndex that gets a string s and character c and returns the index of the first occurrence of c in s, if it does not exist, return -1.

Example:

test, s -> 2 Because character s appears first time at index 2

Try it yourself

#include <stdio.h>

int findIndex(char* s, char c) {
    // Write code here
    return -1;
}

All lessons in Recursion Challenges - Master The Recursive Thinking

1Easy Challenges

Fibonacci Sequence Is Palindrome Longest Common Prefix Merge Two Sorted Lists FactorialFirst Occurrence in String

2Medium Challenges

Knapsack Problem Number of Squares Interleaving Result Sum Combinations Find Triplet Split Array

3Hard Challenges

Swaps to Minimum Repeated Subsequence Wildcard Matching