#include<bits/stdc++.h>
using namespace std;
using ll = long long;
void solve(){
int n,m;
cin>>n>>m;
vector<string>v(n);
for(string &i:v){
cin>>i;
}
vector<vector<int>>a(n);
vector<vector<int>>b(m);
for(int i = 0;i<n;i++){
for(int j = 0;j<m;j++){
if(v[i][j]=='O'){
a[i].push_back(j);
}
if(v[i][j]=='I'){
b[j].push_back(i);
}
}
}
ll ans = 0;
for(int i = 0;i<n;i++){
for(int j= 0;j<m;j++){
if(v[i][j]=='J'){
ll c = a[i].end()-upper_bound(a[i].begin(),a[i].end(),j);
ll d = b[j].end()-upper_bound(b[j].begin(),b[j].end(),i);
ans+=c*d;
}
}
}
cout<<ans<<endl;
}
signed main(){
ios_base::sync_with_stdio(0);
cin.tie(nullptr);
// ll t;cin>>t;while(t--)
solve();
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
456 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
600 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
460 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
456 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
600 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
460 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
8 ms |
1628 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
3 ms |
1116 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
11 ms |
2140 KB |
Output is correct |
19 |
Correct |
3 ms |
2140 KB |
Output is correct |
20 |
Correct |
3 ms |
1628 KB |
Output is correct |
21 |
Correct |
10 ms |
2152 KB |
Output is correct |
22 |
Correct |
5 ms |
1628 KB |
Output is correct |
23 |
Correct |
3 ms |
1628 KB |
Output is correct |
24 |
Correct |
11 ms |
1832 KB |
Output is correct |
25 |
Correct |
3 ms |
2140 KB |
Output is correct |
26 |
Correct |
3 ms |
1628 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
456 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
600 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
460 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
8 ms |
1628 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
3 ms |
1116 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
11 ms |
2140 KB |
Output is correct |
19 |
Correct |
3 ms |
2140 KB |
Output is correct |
20 |
Correct |
3 ms |
1628 KB |
Output is correct |
21 |
Correct |
10 ms |
2152 KB |
Output is correct |
22 |
Correct |
5 ms |
1628 KB |
Output is correct |
23 |
Correct |
3 ms |
1628 KB |
Output is correct |
24 |
Correct |
11 ms |
1832 KB |
Output is correct |
25 |
Correct |
3 ms |
2140 KB |
Output is correct |
26 |
Correct |
3 ms |
1628 KB |
Output is correct |
27 |
Correct |
423 ms |
45900 KB |
Output is correct |
28 |
Correct |
1 ms |
604 KB |
Output is correct |
29 |
Correct |
8 ms |
4348 KB |
Output is correct |
30 |
Correct |
1 ms |
604 KB |
Output is correct |
31 |
Correct |
296 ms |
32084 KB |
Output is correct |
32 |
Correct |
120 ms |
59652 KB |
Output is correct |
33 |
Correct |
139 ms |
47188 KB |
Output is correct |
34 |
Correct |
338 ms |
35912 KB |
Output is correct |
35 |
Correct |
221 ms |
48400 KB |
Output is correct |
36 |
Correct |
137 ms |
47096 KB |
Output is correct |
37 |
Correct |
495 ms |
53208 KB |
Output is correct |
38 |
Correct |
75 ms |
40908 KB |
Output is correct |
39 |
Correct |
105 ms |
37204 KB |
Output is correct |