#include <bits/stdc++.h>
using namespace std;
const int N = int(3e3) + 1;
string s[N];
long long res = 0;
int n, m, c[N], cur;
int main()
{
ios_base::sync_with_stdio(0);
cin.tie(0), cout.tie(0);
cin >> n >> m;
for(int i = 0; i < n; ++i) cin >> s[i];
for(int i = n - 1; i >= 0; --i) {
cur = 0;
for(int j = 0; j < m; ++j) {
if(s[i][j] == 'O') res += cur;
else if(s[i][j] == 'I') ++c[j];
else cur += c[j];
}
}
cout << res;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
504 KB |
Output is correct |
| 3 |
Correct |
2 ms |
376 KB |
Output is correct |
| 4 |
Correct |
2 ms |
376 KB |
Output is correct |
| 5 |
Correct |
2 ms |
504 KB |
Output is correct |
| 6 |
Correct |
2 ms |
504 KB |
Output is correct |
| 7 |
Correct |
2 ms |
504 KB |
Output is correct |
| 8 |
Correct |
2 ms |
376 KB |
Output is correct |
| 9 |
Correct |
2 ms |
376 KB |
Output is correct |
| 10 |
Correct |
2 ms |
504 KB |
Output is correct |
| 11 |
Correct |
2 ms |
376 KB |
Output is correct |
| 12 |
Correct |
2 ms |
504 KB |
Output is correct |
| 13 |
Correct |
2 ms |
376 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
504 KB |
Output is correct |
| 3 |
Correct |
2 ms |
376 KB |
Output is correct |
| 4 |
Correct |
2 ms |
376 KB |
Output is correct |
| 5 |
Correct |
2 ms |
504 KB |
Output is correct |
| 6 |
Correct |
2 ms |
504 KB |
Output is correct |
| 7 |
Correct |
2 ms |
504 KB |
Output is correct |
| 8 |
Correct |
2 ms |
376 KB |
Output is correct |
| 9 |
Correct |
2 ms |
376 KB |
Output is correct |
| 10 |
Correct |
2 ms |
504 KB |
Output is correct |
| 11 |
Correct |
2 ms |
376 KB |
Output is correct |
| 12 |
Correct |
2 ms |
504 KB |
Output is correct |
| 13 |
Correct |
2 ms |
376 KB |
Output is correct |
| 14 |
Correct |
4 ms |
632 KB |
Output is correct |
| 15 |
Correct |
2 ms |
376 KB |
Output is correct |
| 16 |
Correct |
3 ms |
632 KB |
Output is correct |
| 17 |
Correct |
2 ms |
380 KB |
Output is correct |
| 18 |
Correct |
5 ms |
632 KB |
Output is correct |
| 19 |
Correct |
3 ms |
760 KB |
Output is correct |
| 20 |
Correct |
3 ms |
632 KB |
Output is correct |
| 21 |
Correct |
5 ms |
632 KB |
Output is correct |
| 22 |
Correct |
3 ms |
632 KB |
Output is correct |
| 23 |
Correct |
3 ms |
632 KB |
Output is correct |
| 24 |
Correct |
5 ms |
632 KB |
Output is correct |
| 25 |
Correct |
3 ms |
632 KB |
Output is correct |
| 26 |
Correct |
3 ms |
632 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
504 KB |
Output is correct |
| 3 |
Correct |
2 ms |
376 KB |
Output is correct |
| 4 |
Correct |
2 ms |
376 KB |
Output is correct |
| 5 |
Correct |
2 ms |
504 KB |
Output is correct |
| 6 |
Correct |
2 ms |
504 KB |
Output is correct |
| 7 |
Correct |
2 ms |
504 KB |
Output is correct |
| 8 |
Correct |
2 ms |
376 KB |
Output is correct |
| 9 |
Correct |
2 ms |
376 KB |
Output is correct |
| 10 |
Correct |
2 ms |
504 KB |
Output is correct |
| 11 |
Correct |
2 ms |
376 KB |
Output is correct |
| 12 |
Correct |
2 ms |
504 KB |
Output is correct |
| 13 |
Correct |
2 ms |
376 KB |
Output is correct |
| 14 |
Correct |
4 ms |
632 KB |
Output is correct |
| 15 |
Correct |
2 ms |
376 KB |
Output is correct |
| 16 |
Correct |
3 ms |
632 KB |
Output is correct |
| 17 |
Correct |
2 ms |
380 KB |
Output is correct |
| 18 |
Correct |
5 ms |
632 KB |
Output is correct |
| 19 |
Correct |
3 ms |
760 KB |
Output is correct |
| 20 |
Correct |
3 ms |
632 KB |
Output is correct |
| 21 |
Correct |
5 ms |
632 KB |
Output is correct |
| 22 |
Correct |
3 ms |
632 KB |
Output is correct |
| 23 |
Correct |
3 ms |
632 KB |
Output is correct |
| 24 |
Correct |
5 ms |
632 KB |
Output is correct |
| 25 |
Correct |
3 ms |
632 KB |
Output is correct |
| 26 |
Correct |
3 ms |
632 KB |
Output is correct |
| 27 |
Correct |
93 ms |
9720 KB |
Output is correct |
| 28 |
Correct |
2 ms |
376 KB |
Output is correct |
| 29 |
Correct |
5 ms |
1144 KB |
Output is correct |
| 30 |
Correct |
2 ms |
504 KB |
Output is correct |
| 31 |
Correct |
68 ms |
7160 KB |
Output is correct |
| 32 |
Correct |
42 ms |
9976 KB |
Output is correct |
| 33 |
Correct |
41 ms |
10104 KB |
Output is correct |
| 34 |
Correct |
78 ms |
8184 KB |
Output is correct |
| 35 |
Correct |
45 ms |
10128 KB |
Output is correct |
| 36 |
Correct |
41 ms |
10104 KB |
Output is correct |
| 37 |
Correct |
92 ms |
10104 KB |
Output is correct |
| 38 |
Correct |
27 ms |
7032 KB |
Output is correct |
| 39 |
Correct |
29 ms |
7032 KB |
Output is correct |
