Submission #404061

#	Time	Username	Problem	Language	Result	Execution time	Memory
404061		Everule	Rectangles (IOI19_rect)	C++14	0 / 100	5057 ms	340 KiB

rect

#include "rect.h"
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
ll count_rectangles(vector<vector<int>> a){
    int n = a.size();
    int m = a[0].size();
    ll ans = 0;
    auto check = [&](int i1,int i2,int j1,int j2){
        for(int i=i1;i<=i2;i++){
            int mn = min(a[i][j1-1], a[i][j2+1]);
            for(int j=j1;j<=j2;j++){
                if(a[i][j] > mn) return 0;
            }
        }
        for(int j=j1;j<=j2;j++){
            int mn = min(a[i1-1][j], a[i2+1][j]);
            for(int i=i1;i<=i2;i++){
                if(a[i][j] > mn) return 0;
            }
        }
        return 1;
    };
    for(int i1=1;i1<n-1;i1++){
        for(int i2=i1;i2<n-1;i2++){
            for(int j1=1;j1<m-1;j1++){
                for(int j2=j1;j2<m-1;j2++){
                    ans += check(i1,i2,j1,j2);
                }
            }
        }
    }
    return ans;
}

• Subtask 1: 0 / 8
• Subtask 2: 0 / 7
• Subtask 3: 0 / 12
• Subtask 4: 0 / 22
• Subtask 5: 0 / 10
• Subtask 6: 0 / 13
• Subtask 7: 0 / 28