File Encryption

Medium Mini Projects & Algorithmic Challenges
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Problem Statement

Write a C++ program implementing a Caesar cipher text shift encryption scheme.

Input Format

Shift integer K followed by a string.

Output Format

Print encrypted cipher string.

Constraints

1 <= K <= 25

Sample Input

3
abc

Sample Output

def

Explanation

Shifts character ASCII values cyclically.

Starter Code

#include <iostream>
#include <string>

int main() {
    int k;
    std::string s;
    if (std::cin >> k >> s) {
        // Write your encryption logic 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