#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef pair<int,int> pi;
#define REP(i,a,b) for(int i=a;i<b;i++)
#define F first
#define S second
#define PB push_back
#define MP make_pair
const int m=1e9+7;
int main(){
//ios::sync_with_stdio(0);
// cin.tie(0);
//freopen("test_input.txt", "r", stdin);
//freopen("test_output.txt", "w", stdout);
int a,b;cin>>a>>b;
vector<vector<char>> grid(a,vector<char>(b));
REP(i,0,a)REP(j,0,b)cin>>grid[i][j];
vi ic(b,0),oc(a,0);
REP(i,0,a)REP(j,0,b){
if(grid[i][j]=='I')ic[j]++;
else if(grid[i][j]=='O')oc[i]++;
}
ll ans=0;
REP(i,0,a)REP(j,0,b){
if(grid[i][j]=='I')ic[j]--;
else if(grid[i][j]=='O')oc[i]--;
else ans+=(ll)oc[i]*ic[j];
}
cout<<ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 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 |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 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 |
344 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 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 |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 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 |
344 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
10 ms |
616 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
5 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
344 KB |
Output is correct |
18 |
Correct |
11 ms |
696 KB |
Output is correct |
19 |
Correct |
8 ms |
692 KB |
Output is correct |
20 |
Correct |
9 ms |
688 KB |
Output is correct |
21 |
Correct |
13 ms |
860 KB |
Output is correct |
22 |
Correct |
9 ms |
860 KB |
Output is correct |
23 |
Correct |
9 ms |
860 KB |
Output is correct |
24 |
Correct |
11 ms |
860 KB |
Output is correct |
25 |
Correct |
9 ms |
924 KB |
Output is correct |
26 |
Correct |
11 ms |
860 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 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 |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 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 |
344 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
10 ms |
616 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
5 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
344 KB |
Output is correct |
18 |
Correct |
11 ms |
696 KB |
Output is correct |
19 |
Correct |
8 ms |
692 KB |
Output is correct |
20 |
Correct |
9 ms |
688 KB |
Output is correct |
21 |
Correct |
13 ms |
860 KB |
Output is correct |
22 |
Correct |
9 ms |
860 KB |
Output is correct |
23 |
Correct |
9 ms |
860 KB |
Output is correct |
24 |
Correct |
11 ms |
860 KB |
Output is correct |
25 |
Correct |
9 ms |
924 KB |
Output is correct |
26 |
Correct |
11 ms |
860 KB |
Output is correct |
27 |
Correct |
371 ms |
17016 KB |
Output is correct |
28 |
Correct |
1 ms |
348 KB |
Output is correct |
29 |
Correct |
22 ms |
1624 KB |
Output is correct |
30 |
Correct |
1 ms |
348 KB |
Output is correct |
31 |
Correct |
276 ms |
13008 KB |
Output is correct |
32 |
Correct |
314 ms |
17976 KB |
Output is correct |
33 |
Correct |
307 ms |
17984 KB |
Output is correct |
34 |
Correct |
313 ms |
14676 KB |
Output is correct |
35 |
Correct |
314 ms |
18088 KB |
Output is correct |
36 |
Correct |
301 ms |
17860 KB |
Output is correct |
37 |
Correct |
384 ms |
18396 KB |
Output is correct |
38 |
Correct |
217 ms |
12588 KB |
Output is correct |
39 |
Correct |
212 ms |
12628 KB |
Output is correct |