제출 #1242533

#제출 시각아이디문제언어결과실행 시간메모리
1242533iyedooRectangles (IOI19_rect)C++20
37 / 100
5094 ms22852 KiB
#include "rect.h" #include <bits/stdc++.h> using namespace std; typedef long long ll; int cnt = 0; void check(int t, int b, int l, int r, vector<vector<int>>& a) { // cout << t << " " << b << " " << l << " " << r << "\n"; // int mn = INT_MAX; // for (int j = l; j <= r; ++j) { // mn = min(mn, a[b - 1][j]); // mn = min(mn, a[t + 1][j]); // } // for (int i = t; i <= b; ++i) { // mn = min(mn, a[i][l - 1]); // mn = min(mn, a[i][r + 1]); // } // cout << "\n"; for (int i = t; i <= b; ++i) { for (int j = l; j <= r; ++j) { if (a[i][j] >= a[i][l - 1] || a[i][j] >= a[i][r + 1] || a[i][j] >= a[b + 1][j] || a[i][j] >= a[t - 1][j]) return; } } // for (int i = t; i <= b; ++i) { // for (int j = l; j <= r; ++j) { // cout << a[i][j] << " "; // } // cout << "\n"; // } // cout << "\n"; cnt++; } ll count_rectangles(vector<vector<int>> a) { int n = a.size(), m = a[0].size(); for (int t = 1; t < n - 1; ++t) { for (int l = 1; l < m - 1; ++l) { for (int b = t; b < n - 1; ++b) { for (int r = l; r < m - 1; ++r) { check(t, b, l, r, a); } } } } return cnt; }
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