제출 #1022979

#제출 시각아이디문제언어결과실행 시간메모리
1022979HishamAlshehri콤보 (IOI18_combo)C++17
0 / 100
0 ms344 KiB
#include "combo.h"
#include <bits/stdc++.h>
using namespace std;
string guess_sequence(int N) {
    string s = "";
    string t = "ABXYABXY";
    int c = press("ABB");
    if (c == 2)
    {
      s += 'A';
    }
    else if (c == 1)
      s += 'B';
    else
    {
      c = press("XYY");
      if (c == 1)
        s += 'Y';
      else
        s += 'X';
    }
    int idx = 0;
    for (int i = 0; i < 4; i++) if(s[0] == t[i]) {idx = i; break;}
    char q1 = t[idx + 1], q2 = t[idx + 2], q3 = t[idx + 3];
    for (int i = 1; i < N; i++)
    {
        c = press(s + q1 + s + q2 + q1 + s + q2 + q2 + s + q2 + q3);
        if (c == s.size()) s += q3;
        else if (c == s.size() + 1) s += q1;
        else s += q2;
    }
    return s;
}

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:28:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |         if (c == s.size()) s += q3;
      |             ~~^~~~~~~~~~~
combo.cpp:29:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |         else if (c == s.size() + 1) s += q1;
      |                  ~~^~~~~~~~~~~~~~~
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