제출 #889930

#제출 시각아이디문제언어결과실행 시간메모리
889930elotelo966커다란 상품 (IOI17_prize)C++17
20 / 100
1 ms428 KiB
#include "prize.h" #include <bits/stdc++.h> using namespace std; int find_best(int n) { int l=0,r=n; while(l<=r) { int m=(l+r)/2; std::vector<int> res = ask(m); if(res[0] + res[1] == 0) return m; if(res[0]<res[1]) l=m+1; else r=m-1; } vector<int> son=ask(l); if(son[0]+son[1]==0)return l; return r; return 0; }
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