#include <iostream>
#define int long long
using namespace std;
char a[3005][3005];
int ko[3005][3005];
int ki[3005][3005];
int32_t main()
{
int n, m;
cin >> n >> m;
for (int i = 0; i < n; i++)
cin >> a[i];
for (int i = n-1; i >= 0; i--)
for (int j = 0; j < m; j++)
ki[i][j] = ki[i+1][j]+(a[i][j] == 'I');
for (int j = m-1; j >= 0; j--)
for (int i = 0; i < n; i++)
ko[i][j] = ko[i][j+1]+(a[i][j] == 'O');
int rez = 0;
for (int i = 0; i < n; i++)
for (int j = 0; j < m; j++)
if (a[i][j] == 'J')
rez += ko[i][j]*ki[i][j];
cout << rez << "\n";
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
1 ms |
344 KB |
Output is correct |
| 3 |
Correct |
1 ms |
344 KB |
Output is correct |
| 4 |
Correct |
1 ms |
352 KB |
Output is correct |
| 5 |
Correct |
1 ms |
1628 KB |
Output is correct |
| 6 |
Correct |
1 ms |
1628 KB |
Output is correct |
| 7 |
Correct |
1 ms |
1372 KB |
Output is correct |
| 8 |
Correct |
2 ms |
1628 KB |
Output is correct |
| 9 |
Correct |
1 ms |
1624 KB |
Output is correct |
| 10 |
Correct |
1 ms |
1372 KB |
Output is correct |
| 11 |
Correct |
1 ms |
1628 KB |
Output is correct |
| 12 |
Correct |
1 ms |
1628 KB |
Output is correct |
| 13 |
Correct |
2 ms |
1372 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
1 ms |
344 KB |
Output is correct |
| 3 |
Correct |
1 ms |
344 KB |
Output is correct |
| 4 |
Correct |
1 ms |
352 KB |
Output is correct |
| 5 |
Correct |
1 ms |
1628 KB |
Output is correct |
| 6 |
Correct |
1 ms |
1628 KB |
Output is correct |
| 7 |
Correct |
1 ms |
1372 KB |
Output is correct |
| 8 |
Correct |
2 ms |
1628 KB |
Output is correct |
| 9 |
Correct |
1 ms |
1624 KB |
Output is correct |
| 10 |
Correct |
1 ms |
1372 KB |
Output is correct |
| 11 |
Correct |
1 ms |
1628 KB |
Output is correct |
| 12 |
Correct |
1 ms |
1628 KB |
Output is correct |
| 13 |
Correct |
2 ms |
1372 KB |
Output is correct |
| 14 |
Correct |
10 ms |
9052 KB |
Output is correct |
| 15 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 16 |
Correct |
7 ms |
5320 KB |
Output is correct |
| 17 |
Correct |
1 ms |
604 KB |
Output is correct |
| 18 |
Correct |
9 ms |
9868 KB |
Output is correct |
| 19 |
Correct |
9 ms |
9876 KB |
Output is correct |
| 20 |
Correct |
8 ms |
9820 KB |
Output is correct |
| 21 |
Correct |
9 ms |
10076 KB |
Output is correct |
| 22 |
Correct |
9 ms |
9924 KB |
Output is correct |
| 23 |
Correct |
8 ms |
9912 KB |
Output is correct |
| 24 |
Correct |
10 ms |
10024 KB |
Output is correct |
| 25 |
Correct |
9 ms |
9820 KB |
Output is correct |
| 26 |
Correct |
8 ms |
9816 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
1 ms |
344 KB |
Output is correct |
| 3 |
Correct |
1 ms |
344 KB |
Output is correct |
| 4 |
Correct |
1 ms |
352 KB |
Output is correct |
| 5 |
Correct |
1 ms |
1628 KB |
Output is correct |
| 6 |
Correct |
1 ms |
1628 KB |
Output is correct |
| 7 |
Correct |
1 ms |
1372 KB |
Output is correct |
| 8 |
Correct |
2 ms |
1628 KB |
Output is correct |
| 9 |
Correct |
1 ms |
1624 KB |
Output is correct |
| 10 |
Correct |
1 ms |
1372 KB |
Output is correct |
| 11 |
Correct |
1 ms |
1628 KB |
Output is correct |
| 12 |
Correct |
1 ms |
1628 KB |
Output is correct |
| 13 |
Correct |
2 ms |
1372 KB |
Output is correct |
| 14 |
Correct |
10 ms |
9052 KB |
Output is correct |
| 15 |
Correct |
2 ms |
4956 KB |
Output is correct |
| 16 |
Correct |
7 ms |
5320 KB |
Output is correct |
| 17 |
Correct |
1 ms |
604 KB |
Output is correct |
| 18 |
Correct |
9 ms |
9868 KB |
Output is correct |
| 19 |
Correct |
9 ms |
9876 KB |
Output is correct |
| 20 |
Correct |
8 ms |
9820 KB |
Output is correct |
| 21 |
Correct |
9 ms |
10076 KB |
Output is correct |
| 22 |
Correct |
9 ms |
9924 KB |
Output is correct |
| 23 |
Correct |
8 ms |
9912 KB |
Output is correct |
| 24 |
Correct |
10 ms |
10024 KB |
Output is correct |
| 25 |
Correct |
9 ms |
9820 KB |
Output is correct |
| 26 |
Correct |
8 ms |
9816 KB |
Output is correct |
| 27 |
Correct |
359 ms |
158480 KB |
Output is correct |
| 28 |
Correct |
13 ms |
26456 KB |
Output is correct |
| 29 |
Correct |
17 ms |
13916 KB |
Output is correct |
| 30 |
Correct |
1 ms |
860 KB |
Output is correct |
| 31 |
Correct |
282 ms |
131504 KB |
Output is correct |
| 32 |
Correct |
370 ms |
158908 KB |
Output is correct |
| 33 |
Correct |
338 ms |
158580 KB |
Output is correct |
| 34 |
Correct |
311 ms |
152424 KB |
Output is correct |
| 35 |
Correct |
339 ms |
158892 KB |
Output is correct |
| 36 |
Correct |
325 ms |
158476 KB |
Output is correct |
| 37 |
Correct |
371 ms |
159056 KB |
Output is correct |
| 38 |
Correct |
214 ms |
130900 KB |
Output is correct |
| 39 |
Correct |
220 ms |
130976 KB |
Output is correct |
