#include "bits/stdc++.h"
using namespace std;
#define ll long long
#define endl '\n'
const ll MOD = 1e9+7;
const ll INF = 1e16;
const ll MAX = 2 * 1e5;
void solve(){
int n,m;
cin>>n>>m;
char arr[n][m];
vector<array<int,3>> cols(m), rows(n);
for(int i = 0; i < n ;i++){
for(int j = 0; j < m; j++){
cin>>arr[i][j];
if(arr[i][j] == 'J'){
cols[j][0]++;
rows[i][0]++;
}else if(arr[i][j] == 'O'){
cols[j][1]++;
rows[i][1]++;
}else{
cols[j][2]++;
rows[i][2]++;
}
}
}
ll ans = 0;
for(int i = 0; i < n ;i++){
for(int j = 0; j < m; j++){
if(arr[i][j] == 'J'){
cols[j][0]--;
rows[i][0]--;
ans+= rows[i][1] * cols[j][2];
}else if(arr[i][j] == 'O'){
cols[j][1]--;
rows[i][1]--;
}else{
cols[j][2]--;
rows[i][2]--;
}
}
}
cout<<ans;
}
int main()
{
cin.tie(NULL);
ios::sync_with_stdio(NULL);
int t = 1;
//cin >> t;
while(t--){
//cout<<"Case #"<<t<<" > "<<endl;
solve();
cout<<endl;
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
324 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
0 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
324 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
0 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
6 ms |
588 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
4 ms |
620 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
8 ms |
768 KB |
Output is correct |
19 |
Correct |
5 ms |
724 KB |
Output is correct |
20 |
Correct |
5 ms |
716 KB |
Output is correct |
21 |
Correct |
8 ms |
724 KB |
Output is correct |
22 |
Correct |
6 ms |
724 KB |
Output is correct |
23 |
Correct |
5 ms |
812 KB |
Output is correct |
24 |
Correct |
7 ms |
724 KB |
Output is correct |
25 |
Correct |
5 ms |
672 KB |
Output is correct |
26 |
Correct |
5 ms |
804 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
324 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
0 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
6 ms |
588 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
4 ms |
620 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
8 ms |
768 KB |
Output is correct |
19 |
Correct |
5 ms |
724 KB |
Output is correct |
20 |
Correct |
5 ms |
716 KB |
Output is correct |
21 |
Correct |
8 ms |
724 KB |
Output is correct |
22 |
Correct |
6 ms |
724 KB |
Output is correct |
23 |
Correct |
5 ms |
812 KB |
Output is correct |
24 |
Correct |
7 ms |
724 KB |
Output is correct |
25 |
Correct |
5 ms |
672 KB |
Output is correct |
26 |
Correct |
5 ms |
804 KB |
Output is correct |
27 |
Correct |
250 ms |
16984 KB |
Output is correct |
28 |
Correct |
1 ms |
340 KB |
Output is correct |
29 |
Correct |
12 ms |
1604 KB |
Output is correct |
30 |
Correct |
1 ms |
336 KB |
Output is correct |
31 |
Correct |
184 ms |
12484 KB |
Output is correct |
32 |
Correct |
179 ms |
17808 KB |
Output is correct |
33 |
Correct |
149 ms |
17844 KB |
Output is correct |
34 |
Correct |
208 ms |
14548 KB |
Output is correct |
35 |
Correct |
185 ms |
17868 KB |
Output is correct |
36 |
Correct |
149 ms |
17980 KB |
Output is correct |
37 |
Correct |
256 ms |
17864 KB |
Output is correct |
38 |
Correct |
117 ms |
12432 KB |
Output is correct |
39 |
Correct |
103 ms |
12580 KB |
Output is correct |