제출 #595042

#제출 시각아이디문제언어결과실행 시간메모리
595042FatihSolak콤보 (IOI18_combo)C++17
100 / 100
41 ms584 KiB
#include "combo.h" #include <bits/stdc++.h> using namespace std; string guess_sequence(int n) { vector<char> v = {'A','B','X','Y'}; string ans = ""; string p; if(press("AB")){ if(press("A")){ ans = "A"; } else{ ans = "B"; } } else{ if(press("X")){ ans = "X"; } else{ ans = "Y"; } } if(n == 1) return ans; vector<char> nw; for(auto u:v){ if(u != ans[0]) nw.push_back(u); } v = nw; for(int i = 1;i<n-1;i++){ p = ""; p += ans + v[0] + v[0]; p += ans + v[0] + v[1]; p += ans + v[0] + v[2]; p += ans + v[1]; int num = press(p); if(num == i){ ans += v[2]; } if(num == i+1){ ans += v[1]; } if(num == i+2){ ans += v[0]; } } for(int i = 0;i<v.size();i++){ p = ""; p = ans + v[i]; if(i == v.size()-1 || press(p) == n){ return p; } } }

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:49:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   49 |  for(int i = 0;i<v.size();i++){
      |                ~^~~~~~~~~
combo.cpp:52:8: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   52 |   if(i == v.size()-1 || press(p) == n){
      |      ~~^~~~~~~~~~~~~
combo.cpp:5:35: warning: control reaches end of non-void function [-Wreturn-type]
    5 |  vector<char> v = {'A','B','X','Y'};
      |                                   ^
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