Submission #887220

#	Time	Username	Problem	Language	Result	Execution time	Memory
887220		Muhammad_Aneeq	Quality Of Living (IOI10_quality)	C++17	60 / 100	5058 ms	25940 KiB

quality

#include <set>
#include <algorithm>
using namespace std;
int rectangle(int R,int C,int H,int W,int Q[3001][3001])
{	int ans=1e9+10;
	for (int i=0;i<=R-H;i++)
	{
		set<int>s;
		for (int j=i;j<i+H;j++)
			for (int k=0;k<W;k++)
			{
				s.insert(Q[j][k]);
				if (s.size()>(H*W)/2+1)
					s.erase(*--end(s));
			}
		auto z=--end(s);
		ans=min(ans,*z);
		// print(s);
		for (int j=W;j<C;j++)
		{
			for (int k=i;k<i+H;k++)
				s.erase(Q[k][j-W]);
			for (int k=i;k<i+H;k++)
			{
				s.insert(Q[k][j]);
				if (s.size()>(H*W)/2+1)
					s.erase(*--end(s));	
			}
			// print(s);
			auto z=--end(s);
			ans=min(ans,*z);
		}
	}
	return ans;
}

Compilation message (stderr)

quality.cpp: In function 'int rectangle(int, int, int, int, int (*)[3001])':
quality.cpp:13:17: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   13 |     if (s.size()>(H*W)/2+1)
      |         ~~~~~~~~^~~~~~~~~~
quality.cpp:26:17: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   26 |     if (s.size()>(H*W)/2+1)
      |         ~~~~~~~~^~~~~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 20