제출 #560544

#제출 시각아이디문제언어결과실행 시간메모리
560544AlperenT버섯 세기 (IOI20_mushrooms)C++17
0 / 100
3063 ms208 KiB
#include "mushrooms.h" #include <bits/stdc++.h> using namespace std; const int K = 100; int count_mushrooms(int n){ int acnt = 0; vector<int> a, b; a.push_back(0); stack<int> rem; for(int i = n - 1; i >= 1; i--) rem.push(i); while(!rem.empty() && (a.size() < K && b.size() < K)){ int ans = use_machine({0, rem.top()}); if(ans){ b.push_back(rem.top()); rem.pop(); } else{ a.push_back(rem.top()); rem.pop(); } } while(!rem.empty()){ if(a.size() > b.size()){ vector<int> m; int cnt = 0; for(int i = 1; i < a.size(); i++){ if(!rem.empty()){ m.push_back(rem.top()); rem.pop(); cnt++; } m.push_back(a[i]); } int ans = use_machine(m); acnt += cnt - (ans + 1) / 2; } } return a.size() + acnt; }

컴파일 시 표준 에러 (stderr) 메시지

mushrooms.cpp: In function 'int count_mushrooms(int)':
mushrooms.cpp:38:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 |    for(int i = 1; i < a.size(); i++){
      |                   ~~^~~~~~~~~~
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