#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 3005;
ll n,m,res,b[N],c[N];
char a[N][N];
int main()
{
cin.tie(0); cout.tie(0); ios_base::sync_with_stdio(0);
cin >> n >> m;
for (int i=0;i<n;i++) for (int j=0;j<m;j++) cin >> a[i][j];
for (int j=0;j<m;j++) for (int i=0;i<n;i++) if (a[i][j] == 'I') b[j]++;
for (int i=0;i<n;i++) for (int j=0;j<m;j++) if (a[i][j] == 'O') c[i]++;
for (int i=0;i<n;i++) for (int j=0;j<m;j++)
if (a[i][j] == 'J') res += b[j]*c[i];
else if (a[i][j] == 'O') c[i]--;
else b[j]--;
cout << res;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
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 |
588 KB |
Output is correct |
| 6 |
Correct |
1 ms |
588 KB |
Output is correct |
| 7 |
Correct |
1 ms |
588 KB |
Output is correct |
| 8 |
Correct |
2 ms |
588 KB |
Output is correct |
| 9 |
Correct |
1 ms |
588 KB |
Output is correct |
| 10 |
Correct |
1 ms |
588 KB |
Output is correct |
| 11 |
Correct |
1 ms |
588 KB |
Output is correct |
| 12 |
Correct |
1 ms |
588 KB |
Output is correct |
| 13 |
Correct |
1 ms |
588 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
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 |
588 KB |
Output is correct |
| 6 |
Correct |
1 ms |
588 KB |
Output is correct |
| 7 |
Correct |
1 ms |
588 KB |
Output is correct |
| 8 |
Correct |
2 ms |
588 KB |
Output is correct |
| 9 |
Correct |
1 ms |
588 KB |
Output is correct |
| 10 |
Correct |
1 ms |
588 KB |
Output is correct |
| 11 |
Correct |
1 ms |
588 KB |
Output is correct |
| 12 |
Correct |
1 ms |
588 KB |
Output is correct |
| 13 |
Correct |
1 ms |
588 KB |
Output is correct |
| 14 |
Correct |
8 ms |
1996 KB |
Output is correct |
| 15 |
Correct |
1 ms |
1484 KB |
Output is correct |
| 16 |
Correct |
4 ms |
1228 KB |
Output is correct |
| 17 |
Correct |
1 ms |
300 KB |
Output is correct |
| 18 |
Correct |
11 ms |
1996 KB |
Output is correct |
| 19 |
Correct |
7 ms |
1996 KB |
Output is correct |
| 20 |
Correct |
6 ms |
1996 KB |
Output is correct |
| 21 |
Correct |
9 ms |
1996 KB |
Output is correct |
| 22 |
Correct |
8 ms |
1964 KB |
Output is correct |
| 23 |
Correct |
6 ms |
1996 KB |
Output is correct |
| 24 |
Correct |
10 ms |
1996 KB |
Output is correct |
| 25 |
Correct |
8 ms |
1996 KB |
Output is correct |
| 26 |
Correct |
8 ms |
1996 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
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 |
588 KB |
Output is correct |
| 6 |
Correct |
1 ms |
588 KB |
Output is correct |
| 7 |
Correct |
1 ms |
588 KB |
Output is correct |
| 8 |
Correct |
2 ms |
588 KB |
Output is correct |
| 9 |
Correct |
1 ms |
588 KB |
Output is correct |
| 10 |
Correct |
1 ms |
588 KB |
Output is correct |
| 11 |
Correct |
1 ms |
588 KB |
Output is correct |
| 12 |
Correct |
1 ms |
588 KB |
Output is correct |
| 13 |
Correct |
1 ms |
588 KB |
Output is correct |
| 14 |
Correct |
8 ms |
1996 KB |
Output is correct |
| 15 |
Correct |
1 ms |
1484 KB |
Output is correct |
| 16 |
Correct |
4 ms |
1228 KB |
Output is correct |
| 17 |
Correct |
1 ms |
300 KB |
Output is correct |
| 18 |
Correct |
11 ms |
1996 KB |
Output is correct |
| 19 |
Correct |
7 ms |
1996 KB |
Output is correct |
| 20 |
Correct |
6 ms |
1996 KB |
Output is correct |
| 21 |
Correct |
9 ms |
1996 KB |
Output is correct |
| 22 |
Correct |
8 ms |
1964 KB |
Output is correct |
| 23 |
Correct |
6 ms |
1996 KB |
Output is correct |
| 24 |
Correct |
10 ms |
1996 KB |
Output is correct |
| 25 |
Correct |
8 ms |
1996 KB |
Output is correct |
| 26 |
Correct |
8 ms |
1996 KB |
Output is correct |
| 27 |
Correct |
303 ms |
17596 KB |
Output is correct |
| 28 |
Correct |
4 ms |
7116 KB |
Output is correct |
| 29 |
Correct |
15 ms |
1740 KB |
Output is correct |
| 30 |
Correct |
1 ms |
332 KB |
Output is correct |
| 31 |
Correct |
226 ms |
13828 KB |
Output is correct |
| 32 |
Correct |
244 ms |
17860 KB |
Output is correct |
| 33 |
Correct |
223 ms |
17812 KB |
Output is correct |
| 34 |
Correct |
256 ms |
16068 KB |
Output is correct |
| 35 |
Correct |
241 ms |
17896 KB |
Output is correct |
| 36 |
Correct |
217 ms |
17808 KB |
Output is correct |
| 37 |
Correct |
303 ms |
17992 KB |
Output is correct |
| 38 |
Correct |
167 ms |
13660 KB |
Output is correct |
| 39 |
Correct |
148 ms |
13744 KB |
Output is correct |
