제출 #1043025

#제출 시각아이디문제언어결과실행 시간메모리
1043025Mr_Husanboy커다란 상품 (IOI17_prize)C++17
20 / 100
43 ms432 KiB
#include "prize.h" #include <bits/stdc++.h> using namespace std; #define ll long long #define ff first #define ss second #define all(a) (a).begin(), (a).end() template<typename T> int len(T &a){ return a.size(); } int _q = 0; int find_best(int n) { if(n <= 5000){ for(int i = 0; i < n; i ++){ if(ask(i) == vector<int>{0, 0}){ return i; } } } int j = 0; int rig = 0; _q = 0; int lol = 0; while(true){ auto v = ask(j); _q ++; if(v[0] + v[1] == 0){ return j; } if(n - v[0] - v[1] >= n / 2){ rig = v[1]; lol = v[0] + v[1]; break; } j ++; } while(true){ int l = j, r = n; while(r - l > 1){ int m = (l + r) / 2; vector<int> v = ask(m); if(v[0] + v[1] == 0){ return m; } if(v[1] + v[0] != lol || v[1] != rig){ r = m; }else l = m; } j = r + 1; rig --; } }
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