Longest Common Prefix

Medium Algorithmic Challenges

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Problem Statement

Write a C program to find the longest common prefix string amongst an array of strings.

Input Format

First line: N. Next N lines: N strings.

Output Format

Print the longest common prefix string (or empty line if none).

Constraints

1 <= N <= 50, String length <= 50

Sample Input

3
flower
flow
flight

Sample Output

fl

Explanation

The longest common prefix for flower, flow, and flight is 'fl'.

Starter Code

#include <stdio.h>
#include <string.h>

int main() {
    int n;
    if (scanf("%d", &n) == 1) {
        char strs[n][51];
        for (int i = 0; i < n; i++) scanf("%50s", strs[i]);
        // Write your code here
    }
    return 0;
}

Limits

Time Limit: 1s
Memory Limit: 256MB

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