strings.cpp

/*
    Prompt: https://hackerrank-challenge-pdfs.s3.amazonaws.com/8044-c-tutorial-strings-English?response-content-disposition=inline%3B%20filename%3Dc-tutorial-strings-English.pdf&response-content-type=application%2Fpdf&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAR6O7GJNX5DNFO3PV%2F20250616%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20250616T164548Z&X-Amz-Expires=3600&X-Amz-SignedHeaders=host&X-Amz-Signature=7532f5bd5cef60ece122b8458c912d92a7f58eae8a038479b87c6a02069c4d2f
    Submission: https://www.hackerrank.com/challenges/c-tutorial-strings/submissions/code/436133838
*/

#include <iostream>
#include <string>
using namespace std;

int main() {
    // get inputs
    string firstLine, secondLine;
    getline(cin, firstLine);
    getline(cin, secondLine);
    
    // output size
    cout << firstLine.size() << " " << secondLine.size() << endl;
    // output concatination
    cout << firstLine + secondLine << endl;
    
    // swap first characters and output
    char tempChar = firstLine[0];
    firstLine[0] = secondLine[0];
    secondLine[0] = tempChar;
    cout << firstLine << " " << secondLine;
    
    return 0;
}