#include <bits/stdc++.h>
using namespace std;
#define int long long
int co[3005][3005], ci[3005][3005];
char gr[3005][3005];
signed main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
int n, m; cin>>n>>m;
for(int i=0; i < n; i++){
for(int l=0; l < m; l++){
cin >> gr[i][l];
if(gr[i][l] == 'I'){
ci[i][l]++;
}
if(gr[i][l] == 'O'){
co[i][l]++;
}
}
}
for(int i=0; i<n; i++){
for(int l=m-2; l>=0; l--){
co[i][l]+=co[i][l+1];
}
}
for(int i=n-2; i>=0; i--){
for(int l=0; l<m; l++){
ci[i][l]+=ci[i+1][l];
}
}
int ans=0;
for(int i=0; i<n; i++){
for(int l=0; l<m; l++){
if(gr[i][l]=='J') ans+=(co[i][l]*ci[i][l]);
}
}
cout<<ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
1492 KB |
Output is correct |
6 |
Correct |
1 ms |
1484 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 |
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 |
2 ms |
1356 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
1492 KB |
Output is correct |
6 |
Correct |
1 ms |
1484 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 |
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 |
2 ms |
1356 KB |
Output is correct |
14 |
Correct |
10 ms |
8916 KB |
Output is correct |
15 |
Correct |
2 ms |
4936 KB |
Output is correct |
16 |
Correct |
5 ms |
5248 KB |
Output is correct |
17 |
Correct |
1 ms |
468 KB |
Output is correct |
18 |
Correct |
13 ms |
9932 KB |
Output is correct |
19 |
Correct |
9 ms |
9792 KB |
Output is correct |
20 |
Correct |
8 ms |
9800 KB |
Output is correct |
21 |
Correct |
13 ms |
9940 KB |
Output is correct |
22 |
Correct |
10 ms |
9724 KB |
Output is correct |
23 |
Correct |
8 ms |
9680 KB |
Output is correct |
24 |
Correct |
11 ms |
9944 KB |
Output is correct |
25 |
Correct |
9 ms |
9812 KB |
Output is correct |
26 |
Correct |
8 ms |
9684 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
1492 KB |
Output is correct |
6 |
Correct |
1 ms |
1484 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 |
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 |
2 ms |
1356 KB |
Output is correct |
14 |
Correct |
10 ms |
8916 KB |
Output is correct |
15 |
Correct |
2 ms |
4936 KB |
Output is correct |
16 |
Correct |
5 ms |
5248 KB |
Output is correct |
17 |
Correct |
1 ms |
468 KB |
Output is correct |
18 |
Correct |
13 ms |
9932 KB |
Output is correct |
19 |
Correct |
9 ms |
9792 KB |
Output is correct |
20 |
Correct |
8 ms |
9800 KB |
Output is correct |
21 |
Correct |
13 ms |
9940 KB |
Output is correct |
22 |
Correct |
10 ms |
9724 KB |
Output is correct |
23 |
Correct |
8 ms |
9680 KB |
Output is correct |
24 |
Correct |
11 ms |
9944 KB |
Output is correct |
25 |
Correct |
9 ms |
9812 KB |
Output is correct |
26 |
Correct |
8 ms |
9684 KB |
Output is correct |
27 |
Correct |
309 ms |
158512 KB |
Output is correct |
28 |
Correct |
12 ms |
26324 KB |
Output is correct |
29 |
Correct |
17 ms |
13816 KB |
Output is correct |
30 |
Correct |
1 ms |
724 KB |
Output is correct |
31 |
Correct |
242 ms |
131432 KB |
Output is correct |
32 |
Correct |
239 ms |
159008 KB |
Output is correct |
33 |
Correct |
191 ms |
158468 KB |
Output is correct |
34 |
Correct |
280 ms |
152368 KB |
Output is correct |
35 |
Correct |
250 ms |
159012 KB |
Output is correct |
36 |
Correct |
189 ms |
158508 KB |
Output is correct |
37 |
Correct |
319 ms |
159116 KB |
Output is correct |
38 |
Correct |
177 ms |
130696 KB |
Output is correct |
39 |
Correct |
148 ms |
130808 KB |
Output is correct |