#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
vector<pii> posJ;
vector<int> posO[3010], posI[3010];
int n, m;
int main() {
ios::sync_with_stdio(0); cin.tie(0);
cin >> n >> m;
for(int i = 1; i <= n; i++) {
for(int j = 1; j <= m; j++) {
char c; cin >> c;
if(c == 'J') {
posJ.push_back({i, j});
}
else if(c == 'O') {
posO[i].push_back(j);
}
else {
posI[j].push_back(i);
}
}
}
ll res = 0;
for(auto [i, j] : posJ) {
ll cntO = 0, cntI = 0;
for(auto l : posO[i]) {
if(l > j) cntO++;
}
for(auto k : posI[j]) {
if(k > i) cntI++;
}
res += (cntO * cntI);
}
cout << res << '\n';
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
0 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
468 KB |
Output is correct |
6 |
Correct |
1 ms |
468 KB |
Output is correct |
7 |
Correct |
1 ms |
468 KB |
Output is correct |
8 |
Correct |
1 ms |
468 KB |
Output is correct |
9 |
Correct |
1 ms |
468 KB |
Output is correct |
10 |
Correct |
1 ms |
468 KB |
Output is correct |
11 |
Correct |
1 ms |
468 KB |
Output is correct |
12 |
Correct |
1 ms |
468 KB |
Output is correct |
13 |
Correct |
1 ms |
468 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
0 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
468 KB |
Output is correct |
6 |
Correct |
1 ms |
468 KB |
Output is correct |
7 |
Correct |
1 ms |
468 KB |
Output is correct |
8 |
Correct |
1 ms |
468 KB |
Output is correct |
9 |
Correct |
1 ms |
468 KB |
Output is correct |
10 |
Correct |
1 ms |
468 KB |
Output is correct |
11 |
Correct |
1 ms |
468 KB |
Output is correct |
12 |
Correct |
1 ms |
468 KB |
Output is correct |
13 |
Correct |
1 ms |
468 KB |
Output is correct |
14 |
Correct |
22 ms |
1792 KB |
Output is correct |
15 |
Correct |
1 ms |
468 KB |
Output is correct |
16 |
Correct |
9 ms |
1360 KB |
Output is correct |
17 |
Correct |
1 ms |
468 KB |
Output is correct |
18 |
Correct |
30 ms |
2380 KB |
Output is correct |
19 |
Correct |
11 ms |
1748 KB |
Output is correct |
20 |
Correct |
31 ms |
1812 KB |
Output is correct |
21 |
Correct |
29 ms |
2480 KB |
Output is correct |
22 |
Correct |
20 ms |
2124 KB |
Output is correct |
23 |
Correct |
31 ms |
1812 KB |
Output is correct |
24 |
Correct |
32 ms |
1996 KB |
Output is correct |
25 |
Correct |
11 ms |
1744 KB |
Output is correct |
26 |
Correct |
31 ms |
1812 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
0 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
468 KB |
Output is correct |
6 |
Correct |
1 ms |
468 KB |
Output is correct |
7 |
Correct |
1 ms |
468 KB |
Output is correct |
8 |
Correct |
1 ms |
468 KB |
Output is correct |
9 |
Correct |
1 ms |
468 KB |
Output is correct |
10 |
Correct |
1 ms |
468 KB |
Output is correct |
11 |
Correct |
1 ms |
468 KB |
Output is correct |
12 |
Correct |
1 ms |
468 KB |
Output is correct |
13 |
Correct |
1 ms |
468 KB |
Output is correct |
14 |
Correct |
22 ms |
1792 KB |
Output is correct |
15 |
Correct |
1 ms |
468 KB |
Output is correct |
16 |
Correct |
9 ms |
1360 KB |
Output is correct |
17 |
Correct |
1 ms |
468 KB |
Output is correct |
18 |
Correct |
30 ms |
2380 KB |
Output is correct |
19 |
Correct |
11 ms |
1748 KB |
Output is correct |
20 |
Correct |
31 ms |
1812 KB |
Output is correct |
21 |
Correct |
29 ms |
2480 KB |
Output is correct |
22 |
Correct |
20 ms |
2124 KB |
Output is correct |
23 |
Correct |
31 ms |
1812 KB |
Output is correct |
24 |
Correct |
32 ms |
1996 KB |
Output is correct |
25 |
Correct |
11 ms |
1744 KB |
Output is correct |
26 |
Correct |
31 ms |
1812 KB |
Output is correct |
27 |
Execution timed out |
1073 ms |
55260 KB |
Time limit exceeded |
28 |
Halted |
0 ms |
0 KB |
- |