#include<iostream>
#include<string>
#define ll long long
using namespace std;
ll dol[4000];
string t[4000];
int main()
{
cin.tie(0);
cout.tie(0);
ios_base::sync_with_stdio(0);
int n,m;
cin>>n>>m;
for(int i=0;i<n;i++)
cin>>t[i];
ll wynik=0;
for(int i=n-1;i>=0;i--)
{
ll mam=0;
for(int j=m-1;j>=0;j--)
{
if(t[i][j]=='J')
wynik+=mam*dol[j];
if(t[i][j]=='O')
mam++;
if(t[i][j]=='I')
dol[j]++;
}
}
cout<<wynik;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
332 KB |
Output is correct |
2 |
Correct |
0 ms |
332 KB |
Output is correct |
3 |
Correct |
0 ms |
332 KB |
Output is correct |
4 |
Correct |
0 ms |
332 KB |
Output is correct |
5 |
Correct |
1 ms |
460 KB |
Output is correct |
6 |
Correct |
1 ms |
332 KB |
Output is correct |
7 |
Correct |
1 ms |
412 KB |
Output is correct |
8 |
Correct |
1 ms |
448 KB |
Output is correct |
9 |
Correct |
1 ms |
428 KB |
Output is correct |
10 |
Correct |
1 ms |
332 KB |
Output is correct |
11 |
Correct |
1 ms |
460 KB |
Output is correct |
12 |
Correct |
1 ms |
436 KB |
Output is correct |
13 |
Correct |
1 ms |
444 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
332 KB |
Output is correct |
2 |
Correct |
0 ms |
332 KB |
Output is correct |
3 |
Correct |
0 ms |
332 KB |
Output is correct |
4 |
Correct |
0 ms |
332 KB |
Output is correct |
5 |
Correct |
1 ms |
460 KB |
Output is correct |
6 |
Correct |
1 ms |
332 KB |
Output is correct |
7 |
Correct |
1 ms |
412 KB |
Output is correct |
8 |
Correct |
1 ms |
448 KB |
Output is correct |
9 |
Correct |
1 ms |
428 KB |
Output is correct |
10 |
Correct |
1 ms |
332 KB |
Output is correct |
11 |
Correct |
1 ms |
460 KB |
Output is correct |
12 |
Correct |
1 ms |
436 KB |
Output is correct |
13 |
Correct |
1 ms |
444 KB |
Output is correct |
14 |
Correct |
3 ms |
708 KB |
Output is correct |
15 |
Correct |
1 ms |
332 KB |
Output is correct |
16 |
Correct |
1 ms |
656 KB |
Output is correct |
17 |
Correct |
0 ms |
440 KB |
Output is correct |
18 |
Correct |
3 ms |
836 KB |
Output is correct |
19 |
Correct |
1 ms |
836 KB |
Output is correct |
20 |
Correct |
1 ms |
844 KB |
Output is correct |
21 |
Correct |
3 ms |
944 KB |
Output is correct |
22 |
Correct |
1 ms |
832 KB |
Output is correct |
23 |
Correct |
1 ms |
828 KB |
Output is correct |
24 |
Correct |
3 ms |
844 KB |
Output is correct |
25 |
Correct |
1 ms |
844 KB |
Output is correct |
26 |
Correct |
1 ms |
844 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
332 KB |
Output is correct |
2 |
Correct |
0 ms |
332 KB |
Output is correct |
3 |
Correct |
0 ms |
332 KB |
Output is correct |
4 |
Correct |
0 ms |
332 KB |
Output is correct |
5 |
Correct |
1 ms |
460 KB |
Output is correct |
6 |
Correct |
1 ms |
332 KB |
Output is correct |
7 |
Correct |
1 ms |
412 KB |
Output is correct |
8 |
Correct |
1 ms |
448 KB |
Output is correct |
9 |
Correct |
1 ms |
428 KB |
Output is correct |
10 |
Correct |
1 ms |
332 KB |
Output is correct |
11 |
Correct |
1 ms |
460 KB |
Output is correct |
12 |
Correct |
1 ms |
436 KB |
Output is correct |
13 |
Correct |
1 ms |
444 KB |
Output is correct |
14 |
Correct |
3 ms |
708 KB |
Output is correct |
15 |
Correct |
1 ms |
332 KB |
Output is correct |
16 |
Correct |
1 ms |
656 KB |
Output is correct |
17 |
Correct |
0 ms |
440 KB |
Output is correct |
18 |
Correct |
3 ms |
836 KB |
Output is correct |
19 |
Correct |
1 ms |
836 KB |
Output is correct |
20 |
Correct |
1 ms |
844 KB |
Output is correct |
21 |
Correct |
3 ms |
944 KB |
Output is correct |
22 |
Correct |
1 ms |
832 KB |
Output is correct |
23 |
Correct |
1 ms |
828 KB |
Output is correct |
24 |
Correct |
3 ms |
844 KB |
Output is correct |
25 |
Correct |
1 ms |
844 KB |
Output is correct |
26 |
Correct |
1 ms |
844 KB |
Output is correct |
27 |
Correct |
75 ms |
17868 KB |
Output is correct |
28 |
Correct |
1 ms |
452 KB |
Output is correct |
29 |
Correct |
2 ms |
1724 KB |
Output is correct |
30 |
Correct |
1 ms |
456 KB |
Output is correct |
31 |
Correct |
54 ms |
13124 KB |
Output is correct |
32 |
Correct |
31 ms |
18756 KB |
Output is correct |
33 |
Correct |
28 ms |
18900 KB |
Output is correct |
34 |
Correct |
60 ms |
15300 KB |
Output is correct |
35 |
Correct |
33 ms |
18720 KB |
Output is correct |
36 |
Correct |
25 ms |
18816 KB |
Output is correct |
37 |
Correct |
77 ms |
18988 KB |
Output is correct |
38 |
Correct |
22 ms |
13024 KB |
Output is correct |
39 |
Correct |
18 ms |
13136 KB |
Output is correct |