제출 #956888

#제출 시각아이디문제언어결과실행 시간메모리
956888n1k드문 곤충 (IOI22_insects)C++17
47.51 / 100
124 ms1432 KiB
#include "insects.h" #include <bits/stdc++.h> using namespace std; int n; int min_cardinality(int N) { n = N; vector<int> rest, v, in; for(int i=0; i<n; i++){ move_inside(i); v.push_back(i); if(press_button()>=2){ move_outside(i); v.pop_back(); rest.push_back(i); } } int lb = 0, rb = n / v.size(); while(lb<rb){ int mb = (lb+rb+1)/2; for(int i=0; i<rest.size(); i++){ move_inside(rest[i]); in.push_back(rest[i]); if(press_button()>mb+1){ move_outside(rest[i]); in.pop_back(); } } if(v.size()*mb==in.size()){ lb=mb; }else{ rb=mb-1; } for(auto x:in){ move_outside(x); } in.clear(); } return lb+1; }

컴파일 시 표준 에러 (stderr) 메시지

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:26:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |   for(int i=0; i<rest.size(); i++){
      |                ~^~~~~~~~~~~~
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