Submission #1589369


Source Code Expand

#include <iostream>
using namespace std;

int f[101][101];

int main()
{
	int r, c, a;
	cin >> r >> c;
	
	for(int y=1; y<=r; y++) for(int x=1; x<=c; x++)
	{
		cin >> a;
		if((x+y)&1)
		{
			f[y][x] = -a + f[y][x-1] + f[y-1][x] - f[y-1][x-1];
		}
		else
		{
			f[y][x] = a + f[y][x-1] + f[y-1][x] - f[y-1][x-1];
		}
	}
	
	int res = 0;
	for(int s=1; s<=r; s++) for(int n=0; n<s; n++)
	for(int e=1; e<=c; e++) for(int w=0; w<e; w++)
	{
		if (f[s][e]-f[n][e]+f[n][w]-f[s][w]==0)
			res = max(res, (s-n)*(e-w));
	}
	cout << res << endl;
	
	return 0;
}

Submission Info

Submission Time
Task B - チョコレート
User refle
Language C++14 (GCC 5.4.1)
Score 100
Code Size 579 Byte
Status AC
Exec Time 41 ms
Memory 256 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 100 / 100
Status
AC × 5
AC × 25
Set Name Test Cases
Sample subtask0_sample-01.txt, subtask0_sample-02.txt, subtask0_sample-03.txt, subtask0_sample-04.txt, subtask0_sample-05.txt
All subtask0_sample-01.txt, subtask0_sample-02.txt, subtask0_sample-03.txt, subtask0_sample-04.txt, subtask0_sample-05.txt, subtask1_01.txt, subtask1_02.txt, subtask1_03.txt, subtask1_04.txt, subtask1_05.txt, subtask1_06.txt, subtask1_07.txt, subtask1_08.txt, subtask1_09.txt, subtask1_10.txt, subtask1_11.txt, subtask1_12.txt, subtask1_13.txt, subtask1_14.txt, subtask1_15.txt, subtask1_16.txt, subtask1_17.txt, subtask1_18.txt, subtask1_19.txt, subtask1_20.txt
Case Name Status Exec Time Memory
subtask0_sample-01.txt AC 1 ms 256 KB
subtask0_sample-02.txt AC 1 ms 256 KB
subtask0_sample-03.txt AC 1 ms 256 KB
subtask0_sample-04.txt AC 1 ms 256 KB
subtask0_sample-05.txt AC 1 ms 256 KB
subtask1_01.txt AC 1 ms 256 KB
subtask1_02.txt AC 1 ms 256 KB
subtask1_03.txt AC 1 ms 256 KB
subtask1_04.txt AC 1 ms 256 KB
subtask1_05.txt AC 1 ms 256 KB
subtask1_06.txt AC 1 ms 256 KB
subtask1_07.txt AC 1 ms 256 KB
subtask1_08.txt AC 1 ms 256 KB
subtask1_09.txt AC 40 ms 256 KB
subtask1_10.txt AC 7 ms 256 KB
subtask1_11.txt AC 29 ms 256 KB
subtask1_12.txt AC 29 ms 256 KB
subtask1_13.txt AC 29 ms 256 KB
subtask1_14.txt AC 40 ms 256 KB
subtask1_15.txt AC 41 ms 256 KB
subtask1_16.txt AC 28 ms 256 KB
subtask1_17.txt AC 32 ms 256 KB
subtask1_18.txt AC 1 ms 256 KB
subtask1_19.txt AC 1 ms 256 KB
subtask1_20.txt AC 35 ms 256 KB