#include <bits/stdc++.h>
using namespace std;
const int N = 3000;
int row[N], col[N];
string grid[N];
int main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int h, w;
cin >> h >> w;
for (int i = 0; i < h; ++i) {
cin >> grid[i];
}
long long ans = 0;
for (int i = h - 1; i >= 0; --i) {
for (int j = w - 1; j >= 0; --j) {
if (grid[i][j] == 'J') {
ans += row[i] * col[j];
} else if (grid[i][j] == 'O') {
++row[i];
} else {
++col[j];
}
}
}
cout << ans << "\n";
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
332 KB |
Output is correct |
| 2 |
Correct |
1 ms |
332 KB |
Output is correct |
| 3 |
Correct |
1 ms |
332 KB |
Output is correct |
| 4 |
Correct |
1 ms |
332 KB |
Output is correct |
| 5 |
Correct |
1 ms |
332 KB |
Output is correct |
| 6 |
Correct |
1 ms |
332 KB |
Output is correct |
| 7 |
Correct |
1 ms |
332 KB |
Output is correct |
| 8 |
Correct |
1 ms |
332 KB |
Output is correct |
| 9 |
Correct |
1 ms |
332 KB |
Output is correct |
| 10 |
Correct |
1 ms |
332 KB |
Output is correct |
| 11 |
Correct |
1 ms |
332 KB |
Output is correct |
| 12 |
Correct |
1 ms |
336 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
332 KB |
Output is correct |
| 2 |
Correct |
1 ms |
332 KB |
Output is correct |
| 3 |
Correct |
1 ms |
332 KB |
Output is correct |
| 4 |
Correct |
1 ms |
332 KB |
Output is correct |
| 5 |
Correct |
1 ms |
332 KB |
Output is correct |
| 6 |
Correct |
1 ms |
332 KB |
Output is correct |
| 7 |
Correct |
1 ms |
332 KB |
Output is correct |
| 8 |
Correct |
1 ms |
332 KB |
Output is correct |
| 9 |
Correct |
1 ms |
332 KB |
Output is correct |
| 10 |
Correct |
1 ms |
332 KB |
Output is correct |
| 11 |
Correct |
1 ms |
332 KB |
Output is correct |
| 12 |
Correct |
1 ms |
336 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
2 ms |
588 KB |
Output is correct |
| 15 |
Correct |
1 ms |
332 KB |
Output is correct |
| 16 |
Correct |
1 ms |
460 KB |
Output is correct |
| 17 |
Correct |
1 ms |
332 KB |
Output is correct |
| 18 |
Correct |
3 ms |
588 KB |
Output is correct |
| 19 |
Correct |
2 ms |
588 KB |
Output is correct |
| 20 |
Correct |
2 ms |
588 KB |
Output is correct |
| 21 |
Correct |
4 ms |
940 KB |
Output is correct |
| 22 |
Correct |
2 ms |
844 KB |
Output is correct |
| 23 |
Correct |
2 ms |
844 KB |
Output is correct |
| 24 |
Correct |
4 ms |
844 KB |
Output is correct |
| 25 |
Correct |
2 ms |
844 KB |
Output is correct |
| 26 |
Correct |
2 ms |
844 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
332 KB |
Output is correct |
| 2 |
Correct |
1 ms |
332 KB |
Output is correct |
| 3 |
Correct |
1 ms |
332 KB |
Output is correct |
| 4 |
Correct |
1 ms |
332 KB |
Output is correct |
| 5 |
Correct |
1 ms |
332 KB |
Output is correct |
| 6 |
Correct |
1 ms |
332 KB |
Output is correct |
| 7 |
Correct |
1 ms |
332 KB |
Output is correct |
| 8 |
Correct |
1 ms |
332 KB |
Output is correct |
| 9 |
Correct |
1 ms |
332 KB |
Output is correct |
| 10 |
Correct |
1 ms |
332 KB |
Output is correct |
| 11 |
Correct |
1 ms |
332 KB |
Output is correct |
| 12 |
Correct |
1 ms |
336 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
2 ms |
588 KB |
Output is correct |
| 15 |
Correct |
1 ms |
332 KB |
Output is correct |
| 16 |
Correct |
1 ms |
460 KB |
Output is correct |
| 17 |
Correct |
1 ms |
332 KB |
Output is correct |
| 18 |
Correct |
3 ms |
588 KB |
Output is correct |
| 19 |
Correct |
2 ms |
588 KB |
Output is correct |
| 20 |
Correct |
2 ms |
588 KB |
Output is correct |
| 21 |
Correct |
4 ms |
940 KB |
Output is correct |
| 22 |
Correct |
2 ms |
844 KB |
Output is correct |
| 23 |
Correct |
2 ms |
844 KB |
Output is correct |
| 24 |
Correct |
4 ms |
844 KB |
Output is correct |
| 25 |
Correct |
2 ms |
844 KB |
Output is correct |
| 26 |
Correct |
2 ms |
844 KB |
Output is correct |
| 27 |
Correct |
87 ms |
14040 KB |
Output is correct |
| 28 |
Correct |
1 ms |
332 KB |
Output is correct |
| 29 |
Correct |
3 ms |
1740 KB |
Output is correct |
| 30 |
Correct |
1 ms |
460 KB |
Output is correct |
| 31 |
Correct |
64 ms |
11532 KB |
Output is correct |
| 32 |
Correct |
46 ms |
14524 KB |
Output is correct |
| 33 |
Correct |
38 ms |
14472 KB |
Output is correct |
| 34 |
Correct |
77 ms |
12544 KB |
Output is correct |
| 35 |
Correct |
43 ms |
14404 KB |
Output is correct |
| 36 |
Correct |
38 ms |
14556 KB |
Output is correct |
| 37 |
Correct |
90 ms |
14588 KB |
Output is correct |
| 38 |
Correct |
35 ms |
11636 KB |
Output is correct |
| 39 |
Correct |
30 ms |
11480 KB |
Output is correct |
