제출 #859229

#제출 시각아이디문제언어결과실행 시간메모리
859229kim드문 곤충 (IOI22_insects)C++17
0 / 100
0 ms344 KiB
#include "insects.h" #include<bits/stdc++.h> using namespace std; #define in move_inside #define press press_button #define out move_outside vector<int> vec0; int p; int n; bool check(int k){ stack<int> st; for(int i=1;i<=n;++i){ in(i), st.push(i); if(press()>k) out(i),st.pop(); } int cnt=st.size(); while(!st.empty()){ out(st.top()); st.pop(); } if(cnt==p*k) return 1; return 0; } int min_cardinality(int N){ n=N; for(int i=1;i<=n;++i){ in(i), vec0.push_back(i); if(press()>1) out(i),vec0.pop_back(); } p=vec0.size(); int l=1,r=n/p; while(l<r){ int mid=l+(r-l+1>>1); if(check(mid)) l=mid; else r=mid-1; } return l; }

컴파일 시 표준 에러 (stderr) 메시지

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:39:23: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   39 |         int mid=l+(r-l+1>>1);
      |                    ~~~^~
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