#include <bits/stdc++.h>
#define ll long long
using namespace std;
ll n,m,k,x,y,z;
ll O[3005][3005], I[3005][3005];
char ar[3005][3005];
int main() {
cin >> n >> m;
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
cin >> ar[i][j];
}
}
for (int i = 1; i <= n; i++) {
for (int j = m; j >= 1; j--) O[i][j] = O[i][j+1] + (ar[i][j] == 'O');
}
for (int i = 1; i <= m; i++) {
for (int j = n; j >= 1; j--) I[j][i] = I[j+1][i] + (ar[j][i] == 'I');
}
ll ans = 0;
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
if (ar[i][j] == 'J') ans += O[i][j] * I[i][j];
}
}
cout << ans << "\n";
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
304 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
312 KB |
Output is correct |
5 |
Correct |
2 ms |
1492 KB |
Output is correct |
6 |
Correct |
1 ms |
1492 KB |
Output is correct |
7 |
Correct |
2 ms |
1364 KB |
Output is correct |
8 |
Correct |
2 ms |
1492 KB |
Output is correct |
9 |
Correct |
1 ms |
1492 KB |
Output is correct |
10 |
Correct |
2 ms |
1364 KB |
Output is correct |
11 |
Correct |
2 ms |
1492 KB |
Output is correct |
12 |
Correct |
1 ms |
1492 KB |
Output is correct |
13 |
Correct |
1 ms |
1364 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
304 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
312 KB |
Output is correct |
5 |
Correct |
2 ms |
1492 KB |
Output is correct |
6 |
Correct |
1 ms |
1492 KB |
Output is correct |
7 |
Correct |
2 ms |
1364 KB |
Output is correct |
8 |
Correct |
2 ms |
1492 KB |
Output is correct |
9 |
Correct |
1 ms |
1492 KB |
Output is correct |
10 |
Correct |
2 ms |
1364 KB |
Output is correct |
11 |
Correct |
2 ms |
1492 KB |
Output is correct |
12 |
Correct |
1 ms |
1492 KB |
Output is correct |
13 |
Correct |
1 ms |
1364 KB |
Output is correct |
14 |
Correct |
17 ms |
8916 KB |
Output is correct |
15 |
Correct |
3 ms |
4948 KB |
Output is correct |
16 |
Correct |
11 ms |
5204 KB |
Output is correct |
17 |
Correct |
1 ms |
468 KB |
Output is correct |
18 |
Correct |
21 ms |
9924 KB |
Output is correct |
19 |
Correct |
21 ms |
9676 KB |
Output is correct |
20 |
Correct |
20 ms |
9724 KB |
Output is correct |
21 |
Correct |
21 ms |
9892 KB |
Output is correct |
22 |
Correct |
20 ms |
9812 KB |
Output is correct |
23 |
Correct |
20 ms |
9676 KB |
Output is correct |
24 |
Correct |
23 ms |
9932 KB |
Output is correct |
25 |
Correct |
23 ms |
9784 KB |
Output is correct |
26 |
Correct |
21 ms |
9752 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
304 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
312 KB |
Output is correct |
5 |
Correct |
2 ms |
1492 KB |
Output is correct |
6 |
Correct |
1 ms |
1492 KB |
Output is correct |
7 |
Correct |
2 ms |
1364 KB |
Output is correct |
8 |
Correct |
2 ms |
1492 KB |
Output is correct |
9 |
Correct |
1 ms |
1492 KB |
Output is correct |
10 |
Correct |
2 ms |
1364 KB |
Output is correct |
11 |
Correct |
2 ms |
1492 KB |
Output is correct |
12 |
Correct |
1 ms |
1492 KB |
Output is correct |
13 |
Correct |
1 ms |
1364 KB |
Output is correct |
14 |
Correct |
17 ms |
8916 KB |
Output is correct |
15 |
Correct |
3 ms |
4948 KB |
Output is correct |
16 |
Correct |
11 ms |
5204 KB |
Output is correct |
17 |
Correct |
1 ms |
468 KB |
Output is correct |
18 |
Correct |
21 ms |
9924 KB |
Output is correct |
19 |
Correct |
21 ms |
9676 KB |
Output is correct |
20 |
Correct |
20 ms |
9724 KB |
Output is correct |
21 |
Correct |
21 ms |
9892 KB |
Output is correct |
22 |
Correct |
20 ms |
9812 KB |
Output is correct |
23 |
Correct |
20 ms |
9676 KB |
Output is correct |
24 |
Correct |
23 ms |
9932 KB |
Output is correct |
25 |
Correct |
23 ms |
9784 KB |
Output is correct |
26 |
Correct |
21 ms |
9752 KB |
Output is correct |
27 |
Correct |
742 ms |
158476 KB |
Output is correct |
28 |
Correct |
14 ms |
26196 KB |
Output is correct |
29 |
Correct |
49 ms |
13776 KB |
Output is correct |
30 |
Correct |
3 ms |
724 KB |
Output is correct |
31 |
Correct |
527 ms |
131280 KB |
Output is correct |
32 |
Correct |
749 ms |
158944 KB |
Output is correct |
33 |
Correct |
742 ms |
158500 KB |
Output is correct |
34 |
Correct |
636 ms |
152308 KB |
Output is correct |
35 |
Correct |
732 ms |
158916 KB |
Output is correct |
36 |
Correct |
738 ms |
158476 KB |
Output is correct |
37 |
Correct |
767 ms |
159032 KB |
Output is correct |
38 |
Correct |
528 ms |
130668 KB |
Output is correct |
39 |
Correct |
512 ms |
130828 KB |
Output is correct |