#include<bits/stdc++.h>
using namespace std;
#define ll long long
int h,w;
string s[3005];
int rows[3005];
int colum[3005];
int rowsfin[3005][3005];
int columfin[3005][3005];
int main(){
cin >> h >> w;
for(int i=0;i<h;i++) cin >> s[i];
for(int i=0;i<h;i++){
int x=0;
for(int j=0;j<w;j++){
if(s[i][j]=='O') x++;
rowsfin[i][j+1]=x;
}
rows[i]=x;
}
for(int i=0;i<w;i++){
int x=0;
for(int j=0;j<h;j++){
if(s[j][i]=='I') x++;
columfin[i][j+1]=x;
}
colum[i]=x;
}
ll ans=0;
for(ll i=0;i<h;i++){
for(ll j=0;j<w;j++){
ll a,b,c,d;
a=rows[i];
b=rowsfin[i][j];
c=colum[j];
d=columfin[j][i];
if(s[i][j]=='J') ans+=((a-b)*(c-d));
}
}
cout << ans << endl;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
492 KB |
Output is correct |
2 |
Correct |
1 ms |
492 KB |
Output is correct |
3 |
Correct |
1 ms |
492 KB |
Output is correct |
4 |
Correct |
1 ms |
492 KB |
Output is correct |
5 |
Correct |
1 ms |
1260 KB |
Output is correct |
6 |
Correct |
1 ms |
1260 KB |
Output is correct |
7 |
Correct |
1 ms |
1260 KB |
Output is correct |
8 |
Correct |
2 ms |
1260 KB |
Output is correct |
9 |
Correct |
1 ms |
1260 KB |
Output is correct |
10 |
Correct |
1 ms |
1260 KB |
Output is correct |
11 |
Correct |
1 ms |
1260 KB |
Output is correct |
12 |
Correct |
1 ms |
1260 KB |
Output is correct |
13 |
Correct |
1 ms |
1260 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
492 KB |
Output is correct |
2 |
Correct |
1 ms |
492 KB |
Output is correct |
3 |
Correct |
1 ms |
492 KB |
Output is correct |
4 |
Correct |
1 ms |
492 KB |
Output is correct |
5 |
Correct |
1 ms |
1260 KB |
Output is correct |
6 |
Correct |
1 ms |
1260 KB |
Output is correct |
7 |
Correct |
1 ms |
1260 KB |
Output is correct |
8 |
Correct |
2 ms |
1260 KB |
Output is correct |
9 |
Correct |
1 ms |
1260 KB |
Output is correct |
10 |
Correct |
1 ms |
1260 KB |
Output is correct |
11 |
Correct |
1 ms |
1260 KB |
Output is correct |
12 |
Correct |
1 ms |
1260 KB |
Output is correct |
13 |
Correct |
1 ms |
1260 KB |
Output is correct |
14 |
Correct |
9 ms |
5740 KB |
Output is correct |
15 |
Correct |
2 ms |
2164 KB |
Output is correct |
16 |
Correct |
6 ms |
4716 KB |
Output is correct |
17 |
Correct |
1 ms |
1644 KB |
Output is correct |
18 |
Correct |
11 ms |
6892 KB |
Output is correct |
19 |
Correct |
10 ms |
6636 KB |
Output is correct |
20 |
Correct |
10 ms |
6764 KB |
Output is correct |
21 |
Correct |
12 ms |
6892 KB |
Output is correct |
22 |
Correct |
11 ms |
6524 KB |
Output is correct |
23 |
Correct |
10 ms |
6764 KB |
Output is correct |
24 |
Correct |
12 ms |
6908 KB |
Output is correct |
25 |
Correct |
10 ms |
6508 KB |
Output is correct |
26 |
Correct |
10 ms |
6764 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
492 KB |
Output is correct |
2 |
Correct |
1 ms |
492 KB |
Output is correct |
3 |
Correct |
1 ms |
492 KB |
Output is correct |
4 |
Correct |
1 ms |
492 KB |
Output is correct |
5 |
Correct |
1 ms |
1260 KB |
Output is correct |
6 |
Correct |
1 ms |
1260 KB |
Output is correct |
7 |
Correct |
1 ms |
1260 KB |
Output is correct |
8 |
Correct |
2 ms |
1260 KB |
Output is correct |
9 |
Correct |
1 ms |
1260 KB |
Output is correct |
10 |
Correct |
1 ms |
1260 KB |
Output is correct |
11 |
Correct |
1 ms |
1260 KB |
Output is correct |
12 |
Correct |
1 ms |
1260 KB |
Output is correct |
13 |
Correct |
1 ms |
1260 KB |
Output is correct |
14 |
Correct |
9 ms |
5740 KB |
Output is correct |
15 |
Correct |
2 ms |
2164 KB |
Output is correct |
16 |
Correct |
6 ms |
4716 KB |
Output is correct |
17 |
Correct |
1 ms |
1644 KB |
Output is correct |
18 |
Correct |
11 ms |
6892 KB |
Output is correct |
19 |
Correct |
10 ms |
6636 KB |
Output is correct |
20 |
Correct |
10 ms |
6764 KB |
Output is correct |
21 |
Correct |
12 ms |
6892 KB |
Output is correct |
22 |
Correct |
11 ms |
6524 KB |
Output is correct |
23 |
Correct |
10 ms |
6764 KB |
Output is correct |
24 |
Correct |
12 ms |
6908 KB |
Output is correct |
25 |
Correct |
10 ms |
6508 KB |
Output is correct |
26 |
Correct |
10 ms |
6764 KB |
Output is correct |
27 |
Correct |
449 ms |
84844 KB |
Output is correct |
28 |
Correct |
7 ms |
9964 KB |
Output is correct |
29 |
Correct |
33 ms |
17644 KB |
Output is correct |
30 |
Correct |
6 ms |
9964 KB |
Output is correct |
31 |
Correct |
320 ms |
73580 KB |
Output is correct |
32 |
Correct |
448 ms |
87020 KB |
Output is correct |
33 |
Correct |
444 ms |
87148 KB |
Output is correct |
34 |
Correct |
369 ms |
79828 KB |
Output is correct |
35 |
Correct |
446 ms |
87048 KB |
Output is correct |
36 |
Correct |
439 ms |
87020 KB |
Output is correct |
37 |
Correct |
448 ms |
87276 KB |
Output is correct |
38 |
Correct |
307 ms |
73368 KB |
Output is correct |
39 |
Correct |
315 ms |
73452 KB |
Output is correct |