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  1. Prepare
  2. Algorithms
  3. Strings
  4. Caesar Cipher
  5. Discussions

Caesar Cipher

  • anarod_val25
     + 0 comments

    c++

    string caesarCipher(string s, int k) {
    string caesar;
    k = k % 26; 
    
    for (char c : s) {
        if (isupper(c)) {
            caesar += (char)(((c - 'A' + k) % 26) + 'A');
        } else if (islower(c)) {
            caesar += (char)(((c - 'a' + k) % 26) + 'a');
        } else {
            caesar += c;
        }
    }
    
    return caesar;
}