Submission #891466

#	Time	Username	Problem	Language	Result	Execution time	Memory
891466		Faisal_Saqib	Rectangles (IOI19_rect)	C++17	37 / 100	5087 ms	25728 KiB

rect

#include <vector>
using namespace std;
long long count_rectangles(std::vector<std::vector<int> >a)
{
	long long ans=0;
	int n=a.size();
	int m=a[0].size();
	for(int r1=1;r1<=(n-2);r1++)
	{
		for(int c1=1;c1<=(m-2);c1++)
		{
			for(int r2=r1;r2<=(n-2);r2++)
			{
				for(int c2=c1;c2<=(m-2);c2++)
				{
					bool pos=1;
					for(int addi=0;addi<=(r2-r1) and pos;addi++)
					{
						for(int addj=0;addj<=(c2-c1);addj++)
						{
							int celli=r1+addi;
							int cellj=c1+addj;
							int val=a[celli][cellj];
							if(val>=a[celli][c2+1] or val>=a[celli][c1-1] or val>=a[r1-1][cellj] or val>=a[r2+1][cellj])
							{
								pos=0;
								break;
							}
						}	
					}
					ans+=pos;
				}
			}
		}
	}
	return ans;
}

• 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