Submission #1030897

#	Time	Username	Problem	Language	Result	Execution time	Memory
1030897		fv3	Rectangles (IOI19_rect)	C++14	0 / 100	4 ms	484 KiB

rect

#include "rect.h"
#include <bits/stdc++.h>

using namespace std;
using namespace std;
typedef long long ll;

ll count_rectangles(vector<vector<int>> a) 
{
	const int N = a.size();
	const int M = a[0].size();

	ll res = 0;
	for (int i = 1; i < M - 1; i++)
	{
		int mx = 0;
		for (int j = i; j < M - 1; j++)
		{
			if (a[1][j] >= a[0][j] || a[1][j] >= a[2][j]) 
				break;
			mx = max(mx, a[1][j]);
			if (mx < a[1][i-1] && mx < a[1][j+1])
				res++;
		}
	}

	return res;
}

Compilation message (stderr)

rect.cpp: In function 'll count_rectangles(std::vector<std::vector<int> >)':
rect.cpp:10:12: warning: unused variable 'N' [-Wunused-variable]
   10 |  const int N = a.size();
      |            ^

• 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