제출 #55047

#제출 시각아이디문제언어결과실행 시간메모리
55047adamczh1커다란 상품 (IOI17_prize)C++17
20 / 100
100 ms572 KiB
#include "prize.h" #include <bits/stdc++.h> using namespace std; int find_best(int n) { int lo = 0, hi = n - 1; int last = INT_MAX; while (1) { int mid = (lo + hi) / 2; vector<int> tmp = ask(mid); if (tmp[0] + tmp[1] == 0) { return mid; } if (tmp[0] + tmp[1] < last) { last = tmp[0] + tmp[1]; lo = 0, hi = n - 1; } if (tmp[0] > tmp[1]) { hi = mid - 1; } else { lo = mid + 1; } } return 0; }
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