제출 #1023928

#제출 시각아이디문제언어결과실행 시간메모리
1023928Andrey커다란 상품 (IOI17_prize)C++14
20 / 100
54 ms348 KiB
#include "prize.h" #include<bits/stdc++.h> using namespace std; int ans = -1; void calc(int l, int r) { if(l > r) { return; } int m = (l+r)/2; vector<int> haha = ask(m); if(haha[0]+haha[1] == 0) { ans = m; return; } if(l == r) { return; } if(haha[0] > 0 && ans == -1) { calc(l,m-1); } if(haha[1] > 0 && ans == -1) { calc(m+1,r); } } int find_best(int n) { calc(0,n-1); return ans; }
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