제출 #1219659

#제출 시각아이디문제언어결과실행 시간메모리
1219659HappyCapybaraRectangles (IOI19_rect)C++17
18 / 100
5092 ms22852 KiB
#include "rect.h" #include<bits/stdc++.h> using namespace std; #define ll long long ll count_rectangles(vector<vector<int>> a){ ll res = 0; int n = a.size(), m = a[0].size(); for (int t=1; t<n-1; t++){ for (int b=t; b<n-1; b++){ for (int l=1; l<m-1; l++){ for (int r=l; r<m-1; r++){ bool valid = true; for (int x=t; x<=b; x++){ for (int y=l; y<=r; y++){ if (min(min(a[t-1][y], a[b+1][y]), min(a[x][l-1], a[x][r+1])) <= a[x][y]) valid = false; } } if (valid) res++; } } } } return res; }
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