#include <bits/stdc++.h>
using namespace std;
char g[3000][3000];
int a[3000][3000],b[3000][3000];
int main()
{
int h,w;
cin>>h>>w;
for(int i=0;i<h;i++){
for(int j=0;j<w;j++){
cin>>g[i][j];
a[i][j] = g[i][j] == 'O';
b[i][j] = g[i][j] == 'I';
if(j)a[i][j]+=a[i][j-1];
if(i)b[i][j]+=b[i-1][j];
}
}
long long int ans = 0;
for(int i=0;i<h;i++){
for(int j=0;j<w;j++){
if(g[i][j] == 'J'){
ans+=(b[h-1][j] - b[i][j]) * 1LL * (a[i][w-1] - a[i][j]);
}
}
}
cout<<ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
292 KB |
Output is correct |
2 |
Correct |
1 ms |
292 KB |
Output is correct |
3 |
Correct |
1 ms |
300 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
2 ms |
1484 KB |
Output is correct |
6 |
Correct |
1 ms |
1440 KB |
Output is correct |
7 |
Correct |
1 ms |
1356 KB |
Output is correct |
8 |
Correct |
2 ms |
1484 KB |
Output is correct |
9 |
Correct |
1 ms |
1452 KB |
Output is correct |
10 |
Correct |
1 ms |
1356 KB |
Output is correct |
11 |
Correct |
2 ms |
1484 KB |
Output is correct |
12 |
Correct |
1 ms |
1456 KB |
Output is correct |
13 |
Correct |
1 ms |
1356 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
292 KB |
Output is correct |
2 |
Correct |
1 ms |
292 KB |
Output is correct |
3 |
Correct |
1 ms |
300 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
2 ms |
1484 KB |
Output is correct |
6 |
Correct |
1 ms |
1440 KB |
Output is correct |
7 |
Correct |
1 ms |
1356 KB |
Output is correct |
8 |
Correct |
2 ms |
1484 KB |
Output is correct |
9 |
Correct |
1 ms |
1452 KB |
Output is correct |
10 |
Correct |
1 ms |
1356 KB |
Output is correct |
11 |
Correct |
2 ms |
1484 KB |
Output is correct |
12 |
Correct |
1 ms |
1456 KB |
Output is correct |
13 |
Correct |
1 ms |
1356 KB |
Output is correct |
14 |
Correct |
14 ms |
7428 KB |
Output is correct |
15 |
Correct |
3 ms |
4960 KB |
Output is correct |
16 |
Correct |
10 ms |
4248 KB |
Output is correct |
17 |
Correct |
1 ms |
332 KB |
Output is correct |
18 |
Correct |
18 ms |
7856 KB |
Output is correct |
19 |
Correct |
17 ms |
7836 KB |
Output is correct |
20 |
Correct |
19 ms |
7756 KB |
Output is correct |
21 |
Correct |
18 ms |
7868 KB |
Output is correct |
22 |
Correct |
17 ms |
7732 KB |
Output is correct |
23 |
Correct |
17 ms |
7732 KB |
Output is correct |
24 |
Correct |
18 ms |
7868 KB |
Output is correct |
25 |
Correct |
20 ms |
7756 KB |
Output is correct |
26 |
Correct |
17 ms |
7748 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
292 KB |
Output is correct |
2 |
Correct |
1 ms |
292 KB |
Output is correct |
3 |
Correct |
1 ms |
300 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
2 ms |
1484 KB |
Output is correct |
6 |
Correct |
1 ms |
1440 KB |
Output is correct |
7 |
Correct |
1 ms |
1356 KB |
Output is correct |
8 |
Correct |
2 ms |
1484 KB |
Output is correct |
9 |
Correct |
1 ms |
1452 KB |
Output is correct |
10 |
Correct |
1 ms |
1356 KB |
Output is correct |
11 |
Correct |
2 ms |
1484 KB |
Output is correct |
12 |
Correct |
1 ms |
1456 KB |
Output is correct |
13 |
Correct |
1 ms |
1356 KB |
Output is correct |
14 |
Correct |
14 ms |
7428 KB |
Output is correct |
15 |
Correct |
3 ms |
4960 KB |
Output is correct |
16 |
Correct |
10 ms |
4248 KB |
Output is correct |
17 |
Correct |
1 ms |
332 KB |
Output is correct |
18 |
Correct |
18 ms |
7856 KB |
Output is correct |
19 |
Correct |
17 ms |
7836 KB |
Output is correct |
20 |
Correct |
19 ms |
7756 KB |
Output is correct |
21 |
Correct |
18 ms |
7868 KB |
Output is correct |
22 |
Correct |
17 ms |
7732 KB |
Output is correct |
23 |
Correct |
17 ms |
7732 KB |
Output is correct |
24 |
Correct |
18 ms |
7868 KB |
Output is correct |
25 |
Correct |
20 ms |
7756 KB |
Output is correct |
26 |
Correct |
17 ms |
7748 KB |
Output is correct |
27 |
Correct |
571 ms |
87888 KB |
Output is correct |
28 |
Correct |
14 ms |
25908 KB |
Output is correct |
29 |
Correct |
41 ms |
7676 KB |
Output is correct |
30 |
Correct |
2 ms |
588 KB |
Output is correct |
31 |
Correct |
381 ms |
72432 KB |
Output is correct |
32 |
Correct |
539 ms |
88244 KB |
Output is correct |
33 |
Correct |
521 ms |
88024 KB |
Output is correct |
34 |
Correct |
485 ms |
83960 KB |
Output is correct |
35 |
Correct |
534 ms |
88208 KB |
Output is correct |
36 |
Correct |
527 ms |
87932 KB |
Output is correct |
37 |
Correct |
575 ms |
88328 KB |
Output is correct |
38 |
Correct |
380 ms |
72448 KB |
Output is correct |
39 |
Correct |
373 ms |
72064 KB |
Output is correct |