Submission #1042882

#	Time	Username	Problem	Language	Result	Execution time	Memory
1042882		idas	Rectangles (IOI19_rect)	C++17	10 / 100	3 ms	424 KiB

rect

#include "rect.h"
#include "bits/stdc++.h"
#define FOR(i, begin, end) for(int i=(begin); i<(end); i++)

using namespace std;

int n, m;

long long count_rectangles(std::vector<std::vector<int> > a) {
	n=a.size(); m=a[0].size();

	if(n<=2) return 0;

	int ans=0;
	FOR(i, 1, m-1) {
		int mx=-1;
		FOR(j, i, m-1) {
			mx=max(mx, a[1][j]);
			if(a[0][j]<=a[1][j] || a[1][j]>=a[2][j]) break;
			if(a[1][i-1]>mx && 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