제출 #562420

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
562420		1zaid1	콤보 (IOI18_combo)	C++17	10 / 100	71 ms	440 KiB

combo

#include "combo.h"
using namespace std;
std::string guess_sequence(int n) {
  std::string cum = "";
    for (int i = 0; i < n; i++) {
        int a = press(cum+"A");
        if (a == cum.size()+1) {
            cum += 'A';
            continue;
        }

        a = press(cum+"B");
        if (a == cum.size()+1) {
            cum += 'B';
            continue;
        }

        a = press(cum+"Y");
        if (a == cum.size()+1) {
            cum += 'Y';
            continue;
        }

        cum += 'X';
    }

    return cum;
}

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:7:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    7 |         if (a == cum.size()+1) {
      |             ~~^~~~~~~~~~~~~~~
combo.cpp:13:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |         if (a == cum.size()+1) {
      |             ~~^~~~~~~~~~~~~~~
combo.cpp:19:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |         if (a == cum.size()+1) {
      |             ~~^~~~~~~~~~~~~~~

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