제출 #712790

#제출 시각아이디문제언어결과실행 시간메모리
712790Marslai24콤보 (IOI18_combo)C++17
100 / 100
28 ms608 KiB
#include <bits/stdc++.h> using namespace std; //#define int long long // a.k.a. TLE creator #define all(x) x.begin(), x.end() template<class A, class B> istream& operator >>(istream &o, pair<A, B> &x){return o >> x.first >> x.second;} template<class A, class B> ostream& operator <<(ostream &o, pair<A, B> &x){return o << x.first << ' ' << x.second << ' ';} void setIO(){ios::sync_with_stdio(false); cin.tie(0);} //const int INF = 2e18, MOD = 998244353, N = 1e6 + 1, K = __lg(N) + 2; int press(string p); string guess_sequence(int n){ string chr[4]{"A", "B", "X", "Y"}; string ans; if(press(chr[0] + chr[1])){ if(press(chr[1])) swap(chr[0], chr[1]); }else{ if(press(chr[2])) swap(chr[0], chr[2]); else swap(chr[0], chr[3]); } ans += chr[0]; if(n == 1)return ans; for(int len = 2; len < n; len++){ int cur = press(ans + chr[1] + ans + chr[2] + chr[1] + ans + chr[2] + chr[2] + ans + chr[2] + chr[3]); if(cur == ans.size() + 1)ans += chr[1]; else if(cur == ans.size() + 2)ans += chr[2]; else ans += chr[3]; } if(press(ans + chr[1]) == n)ans += chr[1]; else if(press(ans + chr[2]) == n)ans += chr[2]; else ans += chr[3]; return ans; }

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:27:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |         if(cur == ans.size() + 1)ans += chr[1];
      |            ~~~~^~~~~~~~~~~~~~~~~
combo.cpp:28:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |         else if(cur == ans.size() + 2)ans += chr[2];
      |                 ~~~~^~~~~~~~~~~~~~~~~
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...