#include <bits/stdc++.h>
using namespace std;
const long long INFll = (long long) 1e18 + 10;
const int INFii = (int) 1e9 + 10;
typedef long long ll;
typedef int ii;
typedef long double dbl;
#define endl '\n'
#define sc second
#define fr first
#define mp make_pair
#define pb push_back
#define all(x) x.begin(), x.end()
#define maxn 3300
ii n, m, sfi[maxn];
string s[maxn];
int main() {
ios::sync_with_stdio(false); cin.tie(0);
//freopen("in.in", "r", stdin);
//freopen("out.out", "w", stdout);
cin >> n >> m;
for(ii i = 1; i <= n; i++) {
cin >> s[i];
}
ll ans = 0;
for(ii i = n; i >= 1; i--) {
ii orb = 0;
for(ii j = m-1; j >= 0; j--) {
if(s[i][j] == 'I') sfi[j]++;
if(s[i][j] == 'O') orb++;
if(s[i][j] == 'J') {
ans+= sfi[j]*orb;
}
}
}
cout << ans << endl;
}
# |
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 |
0 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 |
332 KB |
Output is correct |
13 |
Correct |
1 ms |
332 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 |
0 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 |
332 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
2 ms |
804 KB |
Output is correct |
15 |
Correct |
1 ms |
332 KB |
Output is correct |
16 |
Correct |
1 ms |
588 KB |
Output is correct |
17 |
Correct |
1 ms |
420 KB |
Output is correct |
18 |
Correct |
3 ms |
920 KB |
Output is correct |
19 |
Correct |
2 ms |
844 KB |
Output is correct |
20 |
Correct |
1 ms |
844 KB |
Output is correct |
21 |
Correct |
3 ms |
824 KB |
Output is correct |
22 |
Correct |
2 ms |
844 KB |
Output is correct |
23 |
Correct |
1 ms |
844 KB |
Output is correct |
24 |
Correct |
3 ms |
844 KB |
Output is correct |
25 |
Correct |
2 ms |
844 KB |
Output is correct |
26 |
Correct |
3 ms |
844 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 |
0 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 |
332 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
2 ms |
804 KB |
Output is correct |
15 |
Correct |
1 ms |
332 KB |
Output is correct |
16 |
Correct |
1 ms |
588 KB |
Output is correct |
17 |
Correct |
1 ms |
420 KB |
Output is correct |
18 |
Correct |
3 ms |
920 KB |
Output is correct |
19 |
Correct |
2 ms |
844 KB |
Output is correct |
20 |
Correct |
1 ms |
844 KB |
Output is correct |
21 |
Correct |
3 ms |
824 KB |
Output is correct |
22 |
Correct |
2 ms |
844 KB |
Output is correct |
23 |
Correct |
1 ms |
844 KB |
Output is correct |
24 |
Correct |
3 ms |
844 KB |
Output is correct |
25 |
Correct |
2 ms |
844 KB |
Output is correct |
26 |
Correct |
3 ms |
844 KB |
Output is correct |
27 |
Correct |
88 ms |
17836 KB |
Output is correct |
28 |
Correct |
1 ms |
332 KB |
Output is correct |
29 |
Correct |
3 ms |
1688 KB |
Output is correct |
30 |
Correct |
1 ms |
460 KB |
Output is correct |
31 |
Correct |
64 ms |
13100 KB |
Output is correct |
32 |
Correct |
41 ms |
18776 KB |
Output is correct |
33 |
Correct |
31 ms |
18852 KB |
Output is correct |
34 |
Correct |
80 ms |
15200 KB |
Output is correct |
35 |
Correct |
47 ms |
18756 KB |
Output is correct |
36 |
Correct |
33 ms |
18744 KB |
Output is correct |
37 |
Correct |
85 ms |
18924 KB |
Output is correct |
38 |
Correct |
26 ms |
13100 KB |
Output is correct |
39 |
Correct |
23 ms |
13020 KB |
Output is correct |