#include "bits/stdc++.h"
using namespace std;
using ll = long long;
int main() {
cin.tie(0)->sync_with_stdio(0);
int n, m;
cin >> n >> m;
vector<string> s(n);
for (auto &o: s) {
cin >> o;
}
vector oki(n, vector<int>(m, 0));
vector oko(n, vector<int>(m, 0));
for (int i = 0; i < m; i++) {
int cnti = 0;
for (int j = n - 1; j >= 0; j--) {
if (s[j][i] == 'I') ++cnti;
else if (s[j][i] == 'J') oki[j][i] = cnti;
}
}
for (int i = 0; i < n; i++) {
int cnto = 0;
for (int j = m - 1; j >= 0; j--) {
if (s[i][j] == 'O') ++cnto;
else if (s[i][j] == 'J') oko[i][j] = cnto;
}
}
ll ans = 0;
for (int i = 0; i < n; i++) {
for (int j = 0; j < m; j++) {
ans += oki[i][j] * oko[i][j];
}
}
cout << ans << endl;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
316 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
316 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
320 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
0 ms |
340 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
316 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
316 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
320 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
0 ms |
340 KB |
Output is correct |
| 14 |
Correct |
5 ms |
2260 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| 16 |
Correct |
2 ms |
1592 KB |
Output is correct |
| 17 |
Correct |
1 ms |
340 KB |
Output is correct |
| 18 |
Correct |
6 ms |
2764 KB |
Output is correct |
| 19 |
Correct |
3 ms |
2724 KB |
Output is correct |
| 20 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 21 |
Correct |
5 ms |
2840 KB |
Output is correct |
| 22 |
Correct |
3 ms |
2636 KB |
Output is correct |
| 23 |
Correct |
3 ms |
2692 KB |
Output is correct |
| 24 |
Correct |
6 ms |
2772 KB |
Output is correct |
| 25 |
Correct |
3 ms |
2628 KB |
Output is correct |
| 26 |
Correct |
3 ms |
2772 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
316 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
316 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
320 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
0 ms |
340 KB |
Output is correct |
| 14 |
Correct |
5 ms |
2260 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| 16 |
Correct |
2 ms |
1592 KB |
Output is correct |
| 17 |
Correct |
1 ms |
340 KB |
Output is correct |
| 18 |
Correct |
6 ms |
2764 KB |
Output is correct |
| 19 |
Correct |
3 ms |
2724 KB |
Output is correct |
| 20 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 21 |
Correct |
5 ms |
2840 KB |
Output is correct |
| 22 |
Correct |
3 ms |
2636 KB |
Output is correct |
| 23 |
Correct |
3 ms |
2692 KB |
Output is correct |
| 24 |
Correct |
6 ms |
2772 KB |
Output is correct |
| 25 |
Correct |
3 ms |
2628 KB |
Output is correct |
| 26 |
Correct |
3 ms |
2772 KB |
Output is correct |
| 27 |
Correct |
211 ms |
84604 KB |
Output is correct |
| 28 |
Correct |
1 ms |
788 KB |
Output is correct |
| 29 |
Correct |
6 ms |
6716 KB |
Output is correct |
| 30 |
Correct |
1 ms |
456 KB |
Output is correct |
| 31 |
Correct |
150 ms |
62208 KB |
Output is correct |
| 32 |
Correct |
124 ms |
89104 KB |
Output is correct |
| 33 |
Correct |
157 ms |
89420 KB |
Output is correct |
| 34 |
Correct |
177 ms |
72068 KB |
Output is correct |
| 35 |
Correct |
143 ms |
89008 KB |
Output is correct |
| 36 |
Correct |
138 ms |
89240 KB |
Output is correct |
| 37 |
Correct |
225 ms |
89544 KB |
Output is correct |
| 38 |
Correct |
75 ms |
61692 KB |
Output is correct |
| 39 |
Correct |
94 ms |
62020 KB |
Output is correct |
