Submission #110325

#	Time	Username	Problem	Language	Result	Execution time	Memory
110325		pamaj	Bitaro the Brave (JOI19_ho_t1)	C++14	0 / 100	3 ms	384 KiB

joi2019_ho_t1

#include <bits/stdc++.h>
using namespace std;
const int maxn = 3e3 + 10;

int numO[maxn];

int main()
{
	char tab[maxn][maxn];

	int H, W;

	cin >> H >> W;

	for(int i = 0; i < H; i++)
	{
		for(int j = 0; j < W; j++)
		{
			cin >> tab[i][j];
		}
	}

	for(int i = 0; i < H; i++)
	{
		for(int j = 0; j < W; j++)
		{
			if(tab[i][i] == 'O') numO[i]++;
		}
	}

	int cont = 0;

	for(int i = 0; i < H - 1; i++)
	{
		for(int k = i + 1; k < H; k++)
		{
			for(int j = 0; j < W - 1; j++)
			{
				if(tab[i][j] == 'J' and tab[k][j] == 'I')
					cont += numO[i];
			}
		}
	}

	cout << cont << "\n";
}

• Subtask 1: 0 / 20
• Subtask 2: 0 / 30
• Subtask 3: 0 / 50