#include <iostream>
#define int long long
#define MAX 3002
using namespace std;
int n,m,ans;
char ch,v[MAX][MAX];
int o[MAX][MAX],ig[MAX][MAX];
signed main()
{
cin >> n >> m;
for(int i = 1; i <= n; i++){
for(int j = 1; j <= m; j++){
cin >> ch;
v[i][j] = ch;
}
}
for(int i = n; i >= 1; i--){
for(int j = 1; j <= m; j++){
ig[i][j] = (v[i][j] == 'I')+ig[i+1][j];
}
}
for(int i = 1; i <= n; i++){
for(int j = m; j >= 1; j--){
o[i][j] = (v[i][j] == 'O')+o[i][j+1];
}
}
for(int i = 1; i <= n; i++){
for(int j = 1; j <= m; j++){
if(v[i][j] == 'J'){
ans += o[i][j]*ig[i][j];
}
}
}
cout << ans;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
0 ms |
340 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 |
2 ms |
1492 KB |
Output is correct |
9 |
Correct |
1 ms |
1492 KB |
Output is correct |
10 |
Correct |
2 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 |
1364 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
0 ms |
340 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 |
2 ms |
1492 KB |
Output is correct |
9 |
Correct |
1 ms |
1492 KB |
Output is correct |
10 |
Correct |
2 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 |
1364 KB |
Output is correct |
14 |
Correct |
16 ms |
8712 KB |
Output is correct |
15 |
Correct |
3 ms |
4948 KB |
Output is correct |
16 |
Correct |
11 ms |
5152 KB |
Output is correct |
17 |
Correct |
1 ms |
468 KB |
Output is correct |
18 |
Correct |
20 ms |
9684 KB |
Output is correct |
19 |
Correct |
19 ms |
9500 KB |
Output is correct |
20 |
Correct |
19 ms |
9428 KB |
Output is correct |
21 |
Correct |
20 ms |
9912 KB |
Output is correct |
22 |
Correct |
19 ms |
9804 KB |
Output is correct |
23 |
Correct |
19 ms |
9684 KB |
Output is correct |
24 |
Correct |
22 ms |
9960 KB |
Output is correct |
25 |
Correct |
19 ms |
9788 KB |
Output is correct |
26 |
Correct |
20 ms |
9664 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
0 ms |
340 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 |
2 ms |
1492 KB |
Output is correct |
9 |
Correct |
1 ms |
1492 KB |
Output is correct |
10 |
Correct |
2 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 |
1364 KB |
Output is correct |
14 |
Correct |
16 ms |
8712 KB |
Output is correct |
15 |
Correct |
3 ms |
4948 KB |
Output is correct |
16 |
Correct |
11 ms |
5152 KB |
Output is correct |
17 |
Correct |
1 ms |
468 KB |
Output is correct |
18 |
Correct |
20 ms |
9684 KB |
Output is correct |
19 |
Correct |
19 ms |
9500 KB |
Output is correct |
20 |
Correct |
19 ms |
9428 KB |
Output is correct |
21 |
Correct |
20 ms |
9912 KB |
Output is correct |
22 |
Correct |
19 ms |
9804 KB |
Output is correct |
23 |
Correct |
19 ms |
9684 KB |
Output is correct |
24 |
Correct |
22 ms |
9960 KB |
Output is correct |
25 |
Correct |
19 ms |
9788 KB |
Output is correct |
26 |
Correct |
20 ms |
9664 KB |
Output is correct |
27 |
Correct |
586 ms |
158452 KB |
Output is correct |
28 |
Correct |
14 ms |
26196 KB |
Output is correct |
29 |
Correct |
46 ms |
13764 KB |
Output is correct |
30 |
Correct |
2 ms |
724 KB |
Output is correct |
31 |
Correct |
437 ms |
131244 KB |
Output is correct |
32 |
Correct |
574 ms |
158856 KB |
Output is correct |
33 |
Correct |
601 ms |
158296 KB |
Output is correct |
34 |
Correct |
500 ms |
152120 KB |
Output is correct |
35 |
Correct |
584 ms |
158780 KB |
Output is correct |
36 |
Correct |
564 ms |
158400 KB |
Output is correct |
37 |
Correct |
608 ms |
158868 KB |
Output is correct |
38 |
Correct |
404 ms |
130776 KB |
Output is correct |
39 |
Correct |
402 ms |
130736 KB |
Output is correct |