Merge Files

Medium File Handling
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Problem Statement

Write a C program to merge contents of two text files (‘file1.txt’ and ‘file2.txt’) into a third file (‘merged.txt’).

Input Format

Two space-separated strings S1 and S2.

Output Format

Print 'Merged Successfully'.

Constraints

1 <= Length <= 50

Sample Input

Hello World

Sample Output

Merged Successfully

Explanation

Copies file1 and file2 sequentially into merged.txt.

Starter Code

#include <stdio.h>

int main() {
    char s1[51], s2[51];
    if (scanf("%50s %50s", s1, s2) == 2) {
        // Write your code here
    }
    return 0;
}

Limits

  • Time Limit: 1s
  • Memory Limit: 256MB

Embedded C Programming

Updated: March 15, 2026
Intermediate

Embedded systems rely on efficient low-level programming to interact directly with hardware. In this course, you will learn how to write practical Embedded C programs used in real microcontroller-based systems. Rather than focusing only on theory, this course follows a practice-driven approach. Each lesson includes hands-on coding exercises that simulate real firmware development tasks used