제출 #1025051

#제출 시각아이디문제언어결과실행 시간메모리
1025051vjudge1드문 곤충 (IOI22_insects)C++17
0 / 100
139 ms708 KiB
#include "insects.h" #include <bits/stdc++.h> #define ll long long #define sz(s) (int)s.size() #define pb push_back #define in insert #define lb lower_bound #define ub upper_bound using namespace std; const int MAX=2e5+10; int n; vector<int> a; set<int> st; bool check(int m){ st.clear(); for(int x:a)st.in(x); vector<int> vec; for(int i=0;i<n;i++){ if(!st.count(i)){ move_inside(i); if(press_button()>m){ move_outside(i); } else{ st.in(i); vec.pb(i); } } } // if(sz(st)!=m*sz(a)){ // for(int x:vec)move_outside(x); // } return (sz(st)==m*sz(a)); } int min_cardinality(int N){ n=N; for(int i=0;i<N;i++){ move_inside(i); if(press_button()==2){ move_outside(i); } else{ a.pb(i); } } int l=1,r=N/sz(a),res=1; while(l<=r){ int m=(l+r)/2; if(check(m)){ l=m+1; res=m; } else r=m-1; } return res; }
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