제출 #107604

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
107604		FiloSanza	콤보 (IOI18_combo)	C++14	5 / 100	2 ms	240 KiB

combo

#include "combo.h"
#include <bits/stdc++.h>

using namespace std;

string guess_sequence(int N) {
    vector<char> v = {'A', 'B', 'X', 'Y'};
    random_shuffle(v.begin(), v.end());
    string sol = "";

    //First char
    if(press("A") == 1) sol = "A";
    else if(press("B") == 1) sol = "B";
    else if(press("X") == 1) sol = "X";
    else sol = "Y";

    v.erase(find(v.begin(), v.end(), sol[0]));

    string tmp;
    while(true){
        tmp = (sol + v[0]) + (sol + v[1] + v[2]) + (sol + v[1] + v[0]) + (sol + v[1] + v[1]);
        int coins = press(tmp);
        
        if(coins == sol.size() + 1) sol += v[0];
        else if(coins == sol.size() + 2) sol += v[1];
        else sol += v[2];

        if(sol.size() == N-1){
            if(press(sol+v[0]) == N) return sol+v[0];
            if(press(sol+v[1]) == N) return sol+v[1];
            return sol+v[2];
        }
    }
}

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:24:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |         if(coins == sol.size() + 1) sol += v[0];
      |            ~~~~~~^~~~~~~~~~~~~~~~~
combo.cpp:25:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |         else if(coins == sol.size() + 2) sol += v[1];
      |                 ~~~~~~^~~~~~~~~~~~~~~~~
combo.cpp:28:23: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   28 |         if(sol.size() == N-1){
      |            ~~~~~~~~~~~^~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 0 / 95