#include <bits/stdc++.h>
using namespace std;
const int N=3005;
int h,w,ai[N][N],ao[N][N],cnt;
char a[N][N];
int main(){
cin.tie(NULL)->sync_with_stdio(false);
cin>>h>>w;
for (int i=1; i<=h; i++){
string s;
cin>>s;
for (int j=1; j<=w; j++){
a[i][j]=s[j-1];
}
}/*
for (int i=1; i<=h; i++){
for (int j=1; j<=w; j++){
cout<<a[i][j];
}
cout<<'\n';
}*/
for (int i=h; i>0; i--){
for (int j=w; j>0; j--){
if (a[i][j]=='I') ai[i][j]=ai[i+1][j]+1;
else ai[i][j]=ai[i+1][j];
if (a[i][j]=='O') ao[i][j]=ao[i][j+1]+1;
else ao[i][j]=ao[i][j+1];
}
}
for (int i=1; i<=h; i++){
for (int j=1; j<=w; j++){
if(a[i][j]=='J') cnt+=ai[i][j]*ao[i][j];
}
}
cout<<cnt;
/*
for (int i=1; i<=h; i++){
for (int j=1; j<=w; j++){
cout<<ai[i][j]<<' ';
}
cout<<'\n';
}
for (int i=1; i<=h; i++){
for (int j=1; j<=w; j++){
cout<<ao[i][j]<<' ';
}
cout<<'\n';
}*/
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
3544 KB |
Output is correct |
6 |
Correct |
1 ms |
3420 KB |
Output is correct |
7 |
Correct |
1 ms |
3292 KB |
Output is correct |
8 |
Correct |
1 ms |
3420 KB |
Output is correct |
9 |
Correct |
1 ms |
3420 KB |
Output is correct |
10 |
Correct |
1 ms |
3420 KB |
Output is correct |
11 |
Correct |
1 ms |
3420 KB |
Output is correct |
12 |
Correct |
1 ms |
3420 KB |
Output is correct |
13 |
Correct |
1 ms |
3420 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
3544 KB |
Output is correct |
6 |
Correct |
1 ms |
3420 KB |
Output is correct |
7 |
Correct |
1 ms |
3292 KB |
Output is correct |
8 |
Correct |
1 ms |
3420 KB |
Output is correct |
9 |
Correct |
1 ms |
3420 KB |
Output is correct |
10 |
Correct |
1 ms |
3420 KB |
Output is correct |
11 |
Correct |
1 ms |
3420 KB |
Output is correct |
12 |
Correct |
1 ms |
3420 KB |
Output is correct |
13 |
Correct |
1 ms |
3420 KB |
Output is correct |
14 |
Correct |
4 ms |
8332 KB |
Output is correct |
15 |
Correct |
2 ms |
5976 KB |
Output is correct |
16 |
Correct |
2 ms |
5856 KB |
Output is correct |
17 |
Correct |
0 ms |
604 KB |
Output is correct |
18 |
Correct |
5 ms |
8860 KB |
Output is correct |
19 |
Correct |
3 ms |
8796 KB |
Output is correct |
20 |
Incorrect |
3 ms |
8812 KB |
Output isn't correct |
21 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
3544 KB |
Output is correct |
6 |
Correct |
1 ms |
3420 KB |
Output is correct |
7 |
Correct |
1 ms |
3292 KB |
Output is correct |
8 |
Correct |
1 ms |
3420 KB |
Output is correct |
9 |
Correct |
1 ms |
3420 KB |
Output is correct |
10 |
Correct |
1 ms |
3420 KB |
Output is correct |
11 |
Correct |
1 ms |
3420 KB |
Output is correct |
12 |
Correct |
1 ms |
3420 KB |
Output is correct |
13 |
Correct |
1 ms |
3420 KB |
Output is correct |
14 |
Correct |
4 ms |
8332 KB |
Output is correct |
15 |
Correct |
2 ms |
5976 KB |
Output is correct |
16 |
Correct |
2 ms |
5856 KB |
Output is correct |
17 |
Correct |
0 ms |
604 KB |
Output is correct |
18 |
Correct |
5 ms |
8860 KB |
Output is correct |
19 |
Correct |
3 ms |
8796 KB |
Output is correct |
20 |
Incorrect |
3 ms |
8812 KB |
Output isn't correct |
21 |
Halted |
0 ms |
0 KB |
- |