Submission #1203838

#	Time	Username	Problem	Language	Result	Execution time	Memory
1203838		Aviansh	Rectangles (IOI19_rect)	C++20	10 / 100	3 ms	328 KiB

rect

#include "rect.h"

#include <bits/stdc++.h>

using namespace std;

long long count_rectangles(vector<vector<int>> a) {
    int n=a.size();
    int m=a[0].size();
    if(n<3||m<3){
        return 0;
    }
    assert(n==3);
    bool val[m];
    fill(val,val+m,0);
    for(int i = 1;i<m-1;i++){
        if(a[1][i]<a[2][i]&&a[1][i]<a[0][i]){
            val[i]=1;
        }
    }
    long long ans = 0;
    for(int i = 0;i<m-2;i++){
        int mx = 0;
        for(int j = i+1;j<m-1;j++){
            mx=max(mx,a[1][j]);
            if(!val[j])
                break;
            if(mx<a[1][i]&&mx<a[1][j+1]){
                ans++;
            }
        }
    }
	return ans;
}

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