#include <bits/stdc++.h>
using namespace std;
int h, w;
char grid[3010][3010];
int x[3010][3010];
int main() {
cin.tie(0)->sync_with_stdio(0);
cin >> h >> w;
for (int j = 0; j < h; j++)
for (int i = 0; i < w; i++)
cin >> grid[i][j];
for (int j = 0; j < h; j++) {
int k = 0;
for (int i = w; i >= 0; i--) {
// cout << i << ',' << j << ' ' << grid[i][j] << '\n';
if (grid[i][j] == 'O') k++;
if (grid[i][j] == 'J') {
// cout << "-> " << i << ',' << j << ' ' << k << '\n';
x[i][j] = k;
}
}
// cout << "\n";
}
long long ans = 0;
for (int i = 0; i < w; i++) {
int k = 0;
for (int j = 0; j < h; j++) {
k += x[i][j];
// cout << i << ',' << j << ' ' << grid[i][j] << ' ' << k << '\n';
if (grid[i][j] == 'I') {
ans += k;
// cout << "-> " << i << ',' << j << ' ' << k << '\n';
}
}
// cout << '\n';
}
cout << ans << '\n';
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
324 KB |
Output is correct |
5 |
Correct |
1 ms |
980 KB |
Output is correct |
6 |
Correct |
1 ms |
852 KB |
Output is correct |
7 |
Correct |
1 ms |
980 KB |
Output is correct |
8 |
Correct |
1 ms |
984 KB |
Output is correct |
9 |
Correct |
1 ms |
852 KB |
Output is correct |
10 |
Correct |
1 ms |
980 KB |
Output is correct |
11 |
Correct |
1 ms |
976 KB |
Output is correct |
12 |
Correct |
1 ms |
844 KB |
Output is correct |
13 |
Correct |
1 ms |
980 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
324 KB |
Output is correct |
5 |
Correct |
1 ms |
980 KB |
Output is correct |
6 |
Correct |
1 ms |
852 KB |
Output is correct |
7 |
Correct |
1 ms |
980 KB |
Output is correct |
8 |
Correct |
1 ms |
984 KB |
Output is correct |
9 |
Correct |
1 ms |
852 KB |
Output is correct |
10 |
Correct |
1 ms |
980 KB |
Output is correct |
11 |
Correct |
1 ms |
976 KB |
Output is correct |
12 |
Correct |
1 ms |
844 KB |
Output is correct |
13 |
Correct |
1 ms |
980 KB |
Output is correct |
14 |
Correct |
7 ms |
3796 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
5 ms |
4308 KB |
Output is correct |
17 |
Correct |
1 ms |
2260 KB |
Output is correct |
18 |
Correct |
13 ms |
4920 KB |
Output is correct |
19 |
Correct |
9 ms |
4052 KB |
Output is correct |
20 |
Correct |
7 ms |
4304 KB |
Output is correct |
21 |
Correct |
11 ms |
5012 KB |
Output is correct |
22 |
Correct |
8 ms |
4528 KB |
Output is correct |
23 |
Correct |
7 ms |
4304 KB |
Output is correct |
24 |
Correct |
11 ms |
4992 KB |
Output is correct |
25 |
Correct |
7 ms |
4180 KB |
Output is correct |
26 |
Correct |
6 ms |
4308 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
324 KB |
Output is correct |
5 |
Correct |
1 ms |
980 KB |
Output is correct |
6 |
Correct |
1 ms |
852 KB |
Output is correct |
7 |
Correct |
1 ms |
980 KB |
Output is correct |
8 |
Correct |
1 ms |
984 KB |
Output is correct |
9 |
Correct |
1 ms |
852 KB |
Output is correct |
10 |
Correct |
1 ms |
980 KB |
Output is correct |
11 |
Correct |
1 ms |
976 KB |
Output is correct |
12 |
Correct |
1 ms |
844 KB |
Output is correct |
13 |
Correct |
1 ms |
980 KB |
Output is correct |
14 |
Correct |
7 ms |
3796 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
5 ms |
4308 KB |
Output is correct |
17 |
Correct |
1 ms |
2260 KB |
Output is correct |
18 |
Correct |
13 ms |
4920 KB |
Output is correct |
19 |
Correct |
9 ms |
4052 KB |
Output is correct |
20 |
Correct |
7 ms |
4304 KB |
Output is correct |
21 |
Correct |
11 ms |
5012 KB |
Output is correct |
22 |
Correct |
8 ms |
4528 KB |
Output is correct |
23 |
Correct |
7 ms |
4304 KB |
Output is correct |
24 |
Correct |
11 ms |
4992 KB |
Output is correct |
25 |
Correct |
7 ms |
4180 KB |
Output is correct |
26 |
Correct |
6 ms |
4308 KB |
Output is correct |
27 |
Correct |
308 ms |
44160 KB |
Output is correct |
28 |
Correct |
1 ms |
340 KB |
Output is correct |
29 |
Correct |
39 ms |
20728 KB |
Output is correct |
30 |
Correct |
8 ms |
16212 KB |
Output is correct |
31 |
Correct |
244 ms |
39296 KB |
Output is correct |
32 |
Correct |
205 ms |
39156 KB |
Output is correct |
33 |
Correct |
216 ms |
34984 KB |
Output is correct |
34 |
Correct |
273 ms |
39304 KB |
Output is correct |
35 |
Correct |
232 ms |
41092 KB |
Output is correct |
36 |
Correct |
245 ms |
34996 KB |
Output is correct |
37 |
Correct |
299 ms |
46648 KB |
Output is correct |
38 |
Correct |
148 ms |
31980 KB |
Output is correct |
39 |
Correct |
148 ms |
27992 KB |
Output is correct |