#include <bits/stdc++.h>
#define DEBUG 0
using namespace std;
const int N = 3e3 + 10;
char S[N][N];
int qsi[N][N], qso[N][N];
int main() {
cin.tie(0)->sync_with_stdio(0);
int H, W;
cin >> H >> W;
for(int i = 1; i <= H; i++) {
cin >> (S[i] + 1);
}
for(int i = 1; i <= H; i++) {
for(int j = 1; j <= W; j++) {
qso[i][j] = qso[i][j - 1] + (S[i][j] == 'O');
qsi[i][j] = qsi[i - 1][j] + (S[i][j] == 'I');
}
}
long long ans = 0;
for(int i = 1; i <= H; i++) {
for(int j = 1; j <= W; j++) {
ans += 1ll*(S[i][j] == 'J') * (qso[i][W] - qso[i][j]) * (qsi[H][j] - qsi[i][j]);
}
}
cout << ans;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
1492 KB |
Output is correct |
6 |
Correct |
1 ms |
1492 KB |
Output is correct |
7 |
Correct |
1 ms |
1364 KB |
Output is correct |
8 |
Correct |
1 ms |
1492 KB |
Output is correct |
9 |
Correct |
1 ms |
1492 KB |
Output is correct |
10 |
Correct |
1 ms |
1364 KB |
Output is correct |
11 |
Correct |
1 ms |
1492 KB |
Output is correct |
12 |
Correct |
1 ms |
1492 KB |
Output is correct |
13 |
Correct |
1 ms |
1368 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
1492 KB |
Output is correct |
6 |
Correct |
1 ms |
1492 KB |
Output is correct |
7 |
Correct |
1 ms |
1364 KB |
Output is correct |
8 |
Correct |
1 ms |
1492 KB |
Output is correct |
9 |
Correct |
1 ms |
1492 KB |
Output is correct |
10 |
Correct |
1 ms |
1364 KB |
Output is correct |
11 |
Correct |
1 ms |
1492 KB |
Output is correct |
12 |
Correct |
1 ms |
1492 KB |
Output is correct |
13 |
Correct |
1 ms |
1368 KB |
Output is correct |
14 |
Correct |
5 ms |
7508 KB |
Output is correct |
15 |
Correct |
3 ms |
4948 KB |
Output is correct |
16 |
Correct |
3 ms |
4336 KB |
Output is correct |
17 |
Correct |
1 ms |
456 KB |
Output is correct |
18 |
Correct |
5 ms |
7916 KB |
Output is correct |
19 |
Correct |
6 ms |
7892 KB |
Output is correct |
20 |
Correct |
6 ms |
7896 KB |
Output is correct |
21 |
Correct |
5 ms |
8020 KB |
Output is correct |
22 |
Correct |
5 ms |
7892 KB |
Output is correct |
23 |
Correct |
5 ms |
7892 KB |
Output is correct |
24 |
Correct |
6 ms |
8020 KB |
Output is correct |
25 |
Correct |
6 ms |
7892 KB |
Output is correct |
26 |
Correct |
6 ms |
7800 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
1492 KB |
Output is correct |
6 |
Correct |
1 ms |
1492 KB |
Output is correct |
7 |
Correct |
1 ms |
1364 KB |
Output is correct |
8 |
Correct |
1 ms |
1492 KB |
Output is correct |
9 |
Correct |
1 ms |
1492 KB |
Output is correct |
10 |
Correct |
1 ms |
1364 KB |
Output is correct |
11 |
Correct |
1 ms |
1492 KB |
Output is correct |
12 |
Correct |
1 ms |
1492 KB |
Output is correct |
13 |
Correct |
1 ms |
1368 KB |
Output is correct |
14 |
Correct |
5 ms |
7508 KB |
Output is correct |
15 |
Correct |
3 ms |
4948 KB |
Output is correct |
16 |
Correct |
3 ms |
4336 KB |
Output is correct |
17 |
Correct |
1 ms |
456 KB |
Output is correct |
18 |
Correct |
5 ms |
7916 KB |
Output is correct |
19 |
Correct |
6 ms |
7892 KB |
Output is correct |
20 |
Correct |
6 ms |
7896 KB |
Output is correct |
21 |
Correct |
5 ms |
8020 KB |
Output is correct |
22 |
Correct |
5 ms |
7892 KB |
Output is correct |
23 |
Correct |
5 ms |
7892 KB |
Output is correct |
24 |
Correct |
6 ms |
8020 KB |
Output is correct |
25 |
Correct |
6 ms |
7892 KB |
Output is correct |
26 |
Correct |
6 ms |
7800 KB |
Output is correct |
27 |
Correct |
75 ms |
82760 KB |
Output is correct |
28 |
Correct |
14 ms |
25932 KB |
Output is correct |
29 |
Correct |
7 ms |
7792 KB |
Output is correct |
30 |
Correct |
1 ms |
596 KB |
Output is correct |
31 |
Correct |
59 ms |
69240 KB |
Output is correct |
32 |
Correct |
78 ms |
83328 KB |
Output is correct |
33 |
Correct |
78 ms |
82888 KB |
Output is correct |
34 |
Correct |
68 ms |
79820 KB |
Output is correct |
35 |
Correct |
88 ms |
83352 KB |
Output is correct |
36 |
Correct |
78 ms |
82928 KB |
Output is correct |
37 |
Correct |
79 ms |
83396 KB |
Output is correct |
38 |
Correct |
59 ms |
69324 KB |
Output is correct |
39 |
Correct |
60 ms |
68956 KB |
Output is correct |