제출 #591042

#제출 시각아이디문제언어결과실행 시간메모리
591042TimDee게임 (IOI13_game)C++14
10 / 100
13090 ms5728 KiB
#include "game.h" #include <bits/stdc++.h> using namespace std; using ll = long long; void init (int r, int c) { } map<int,map<int,ll>> m; set<int> s; map<int,set<int>> A; void update(int x, int y, ll v) { m[x][y]=v; s.insert(x); A[x].insert(y); } ll calculate(int a, int b, int c, int d) { ll ans=0; auto it = s.lower_bound(a); while (it!=s.end() && *it<=c) { auto it2 = A[*it].lower_bound(b); while (it2!=A[*it].end() && *it2 <= d) { ans=__gcd(ans,m[*it][*it2]); ++it2; } ++it; } return ans; }
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