제출 #986994

#제출 시각아이디문제언어결과실행 시간메모리
986994PagodePaivaRectangles (IOI19_rect)C++17
25 / 100
5074 ms37952 KiB
#include "rect.h" #include<bits/stdc++.h> using namespace std; const int N = 2510; int n, m; int v[N][N]; long long count_rectangles(std::vector<std::vector<int> > a) { n = a.size(); m = a[0].size(); for(int i = 0;i < n;i++){ for(int j = 0;j < m;j++){ v[i+1][j+1] = a[i][j]; } } long long res = 0; for(int a = 2;a < n;a++){ for(int b = 2;b < m;b++){ for(int c = a;c < n;c++){ for(int d = b;d < m;d++){ bool aux = true; for(int i = a;i <= c;i++){ int linha = 0; for(int j = b;j <= d;j++) linha = max(linha, v[i][j]); if(linha >= min(v[i][b-1], v[i][d+1])){ aux = false; break; } } if(!aux) continue; for(int j = b;j <= d;j++){ int coluna = 0; for(int i = a;i <= c;i++) coluna = max(coluna, v[i][j]); if(coluna >= min(v[a-1][j], v[c+1][j])){ aux = false; break; } } if(aux) res++; } } } } return res; }
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