04. Character Multiplier

#include <iostream>

using namespace std;

int main() {
    string str1, str2;
    cin >> str1 >> str2;

    int len1 = str1.length(),
        len2 = str2.length(),
        minLen = len1 >= len2 ? len2 : len1,
        maxLen = len1 >= len2 ? len1 : len2,
        result = 0;

    for (size_t i = 0; i < minLen; i++) {
        result += str1[i] * str2[i];
    }

    if (len1 != len2) {
        for (size_t i = minLen; i < maxLen; i++) {
            result += (len1 > len2 ? str1[i] : str2[i]);
        }
    }

    cout << result << endl;
    return 0;
}