제출 #587831

#제출 시각아이디문제언어결과실행 시간메모리
587831IvanJ콤보 (IOI18_combo)C++17
5 / 100
1 ms336 KiB
#include "combo.h" #include<bits/stdc++.h> #define all(a) (a).begin(), (a).end() using namespace std; string guess_sequence(int n) { string p = "", S = ""; if(press("A")) S = "A"; else if(press("B")) S = "B"; else if(press("X")) S = "X"; else S = "Y"; set<string> q; q.insert("A"), q.insert("B"), q.insert("X"), q.insert("Y"); q.erase(S); vector<string> v(all(q)); for(int i = 1;i < n - 1;i++) { p = S + v[0]; for(int j = 0;j < 3;j++) p += S + v[1] + v[j]; int x = press(p); if(x == (int)S.size() + 1) S += v[0]; else if(x == (int)S.size() + 2) S += v[1]; else S += v[2]; if(S.size() > (i + 1)) while(1) {} } assert((int)S.size() <= (n - 1)); if(press(S + v[0]) == n) S += v[0]; else if(press(S + v[1]) == n) S += v[1]; else S += v[2]; 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: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   28 |   if(S.size() > (i + 1)) while(1) {}
      |      ~~~~~~~~~^~~~~~~~~
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