Submission #289761

#	Time	Username	Problem	Language	Result	Execution time	Memory
289761		Pichon5	Rectangles (IOI19_rect)	C++17	37 / 100	5057 ms	34168 KiB

rect

#include "rect.h"
#include <bits/stdc++.h>
using namespace std;
vector<vector<int> >v;
bool f(int x,int xx,int y,int yy){
    for(int i=x;i<=xx;i++){
        for(int l=y;l<=yy;l++){
            if(v[i][l]>=v[x-1][l] or v[i][l]>=v[xx+1][l] or v[i][l]>=v[i][y-1] or v[i][l]>=v[i][yy+1]){
                return false;
            }
        }
    }
    return true;
}
long long count_rectangles(vector<vector<int> > a) {
    int n=a.size();
    int m=a[0].size();
    v=a;
    long long int res=0;
    for(int i=1;i<n-1;i++){
        for(int ii=i;ii<n-1;ii++){
            for(int l=1;l<m-1;l++){
                for(int ll=l;ll<m-1;ll++){
                    if(f(i,ii,l,ll)){
                        res++;
                    }
                }
            }
        }
    }

	return res;
}

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