#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
typedef pair<int,int> ii;
const int N = 3e3 + 5;
int n,m,orb[N],ing[N];
char a[N][N];
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL); cout.tie(NULL);
cin >> n >> m;
for (int i = 1 ; i <= n ; i++)
for (int j = 1 ; j <= m ; j++) {
cin >> a[i][j];
if (a[i][j] == 'O')
orb[i]++;
if (a[i][j] == 'I')
ing[j]++;
}
ll ans = 0;
for (int i = 1 ; i <= n ; i++)
for (int j = 1 ; j <= m ; j++) {
if (a[i][j] == 'O')
orb[i]--;
if (a[i][j] == 'I')
ing[j]--;
if (a[i][j] == 'J')
ans += orb[i] * ing[j];
}
cout << ans << endl;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
384 KB |
Output is correct |
| 2 |
Correct |
2 ms |
384 KB |
Output is correct |
| 3 |
Correct |
3 ms |
384 KB |
Output is correct |
| 4 |
Correct |
2 ms |
384 KB |
Output is correct |
| 5 |
Correct |
3 ms |
640 KB |
Output is correct |
| 6 |
Correct |
2 ms |
640 KB |
Output is correct |
| 7 |
Correct |
3 ms |
640 KB |
Output is correct |
| 8 |
Correct |
3 ms |
640 KB |
Output is correct |
| 9 |
Correct |
3 ms |
612 KB |
Output is correct |
| 10 |
Correct |
2 ms |
640 KB |
Output is correct |
| 11 |
Correct |
3 ms |
640 KB |
Output is correct |
| 12 |
Correct |
2 ms |
640 KB |
Output is correct |
| 13 |
Correct |
3 ms |
640 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
384 KB |
Output is correct |
| 2 |
Correct |
2 ms |
384 KB |
Output is correct |
| 3 |
Correct |
3 ms |
384 KB |
Output is correct |
| 4 |
Correct |
2 ms |
384 KB |
Output is correct |
| 5 |
Correct |
3 ms |
640 KB |
Output is correct |
| 6 |
Correct |
2 ms |
640 KB |
Output is correct |
| 7 |
Correct |
3 ms |
640 KB |
Output is correct |
| 8 |
Correct |
3 ms |
640 KB |
Output is correct |
| 9 |
Correct |
3 ms |
612 KB |
Output is correct |
| 10 |
Correct |
2 ms |
640 KB |
Output is correct |
| 11 |
Correct |
3 ms |
640 KB |
Output is correct |
| 12 |
Correct |
2 ms |
640 KB |
Output is correct |
| 13 |
Correct |
3 ms |
640 KB |
Output is correct |
| 14 |
Correct |
10 ms |
1920 KB |
Output is correct |
| 15 |
Correct |
4 ms |
1664 KB |
Output is correct |
| 16 |
Correct |
6 ms |
1152 KB |
Output is correct |
| 17 |
Correct |
3 ms |
384 KB |
Output is correct |
| 18 |
Correct |
11 ms |
2048 KB |
Output is correct |
| 19 |
Correct |
8 ms |
2048 KB |
Output is correct |
| 20 |
Correct |
7 ms |
2048 KB |
Output is correct |
| 21 |
Correct |
12 ms |
2048 KB |
Output is correct |
| 22 |
Correct |
8 ms |
2048 KB |
Output is correct |
| 23 |
Correct |
7 ms |
1920 KB |
Output is correct |
| 24 |
Correct |
10 ms |
2048 KB |
Output is correct |
| 25 |
Correct |
8 ms |
2048 KB |
Output is correct |
| 26 |
Correct |
7 ms |
2048 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
384 KB |
Output is correct |
| 2 |
Correct |
2 ms |
384 KB |
Output is correct |
| 3 |
Correct |
3 ms |
384 KB |
Output is correct |
| 4 |
Correct |
2 ms |
384 KB |
Output is correct |
| 5 |
Correct |
3 ms |
640 KB |
Output is correct |
| 6 |
Correct |
2 ms |
640 KB |
Output is correct |
| 7 |
Correct |
3 ms |
640 KB |
Output is correct |
| 8 |
Correct |
3 ms |
640 KB |
Output is correct |
| 9 |
Correct |
3 ms |
612 KB |
Output is correct |
| 10 |
Correct |
2 ms |
640 KB |
Output is correct |
| 11 |
Correct |
3 ms |
640 KB |
Output is correct |
| 12 |
Correct |
2 ms |
640 KB |
Output is correct |
| 13 |
Correct |
3 ms |
640 KB |
Output is correct |
| 14 |
Correct |
10 ms |
1920 KB |
Output is correct |
| 15 |
Correct |
4 ms |
1664 KB |
Output is correct |
| 16 |
Correct |
6 ms |
1152 KB |
Output is correct |
| 17 |
Correct |
3 ms |
384 KB |
Output is correct |
| 18 |
Correct |
11 ms |
2048 KB |
Output is correct |
| 19 |
Correct |
8 ms |
2048 KB |
Output is correct |
| 20 |
Correct |
7 ms |
2048 KB |
Output is correct |
| 21 |
Correct |
12 ms |
2048 KB |
Output is correct |
| 22 |
Correct |
8 ms |
2048 KB |
Output is correct |
| 23 |
Correct |
7 ms |
1920 KB |
Output is correct |
| 24 |
Correct |
10 ms |
2048 KB |
Output is correct |
| 25 |
Correct |
8 ms |
2048 KB |
Output is correct |
| 26 |
Correct |
7 ms |
2048 KB |
Output is correct |
| 27 |
Correct |
262 ms |
9548 KB |
Output is correct |
| 28 |
Correct |
8 ms |
7168 KB |
Output is correct |
| 29 |
Correct |
13 ms |
1280 KB |
Output is correct |
| 30 |
Correct |
3 ms |
384 KB |
Output is correct |
| 31 |
Correct |
191 ms |
8056 KB |
Output is correct |
| 32 |
Correct |
162 ms |
9592 KB |
Output is correct |
| 33 |
Correct |
138 ms |
9720 KB |
Output is correct |
| 34 |
Correct |
234 ms |
9212 KB |
Output is correct |
| 35 |
Correct |
176 ms |
9592 KB |
Output is correct |
| 36 |
Correct |
135 ms |
9592 KB |
Output is correct |
| 37 |
Correct |
260 ms |
9592 KB |
Output is correct |
| 38 |
Correct |
111 ms |
8148 KB |
Output is correct |
| 39 |
Correct |
91 ms |
8056 KB |
Output is correct |
