func_code_string: #include <bits/stdc++.h>   int battle(std::string player1, std::string player2) {     if (player1 == player2) {       return 0;     }     if (player1 ==  rock ) {       if (player2 ==  scissors ) {         return 1;       } else {         return -1;       }     }     if (player1 ==  paper ) {       if (player2 ==  rock ) {         return 1;       } else {         return -1;       }     }     if (player1 ==  scissors ) {       if (player2 ==  paper ) {         return 1;       } else {         return -1;       }     }   }   int main(int argc, char const *argv[]) {     std::string fyodor, matroskin, sharic;     std::cin >> fyodor >> matroskin >> sharic;     std::string winner =  ? ;     if (battle(fyodor, matroskin) == 1) {       if (battle(fyodor, sharic) == 1) {         winner =  F ;       }     } else if (battle(fyodor, matroskin) == -1) {       if (battle(matroskin, sharic) == 1) {         winner =  M ;       }     } else {       if (battle(sharic, fyodor) == 1) {         winner =  S ;       }     }     std::cout << winner <<   n ;     return 0;   }   