#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define endl "\n"
#define all(aa) aa.begin(), aa.end()
int main(){
int n, m;
cin>>n>>m;
vector<vector<char>> mat(n, vector<char>(m));
vector<vector<int>> below(n, vector<int>(m));
for(auto &r:mat) for(auto &e:r) cin>>e;
for(int j = 0; j < m; j++) for(int i = n-1; i >= 0; i--)
below[i][j]=below[min(n-1, i+1)][j]+(mat[i][j]=='I');
ll ans=0;
for(int i = 0; i < n; i++){
int cur=0;
for(int j = m-1; j >= 0; j--) ans+=(mat[i][j]=='J')*(cur+=(mat[i][j]=='O'))*below[i][j];
}
cout<<ans<<endl;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
204 KB |
Output is correct |
| 2 |
Correct |
0 ms |
204 KB |
Output is correct |
| 3 |
Correct |
0 ms |
248 KB |
Output is correct |
| 4 |
Correct |
0 ms |
204 KB |
Output is correct |
| 5 |
Correct |
1 ms |
332 KB |
Output is correct |
| 6 |
Correct |
1 ms |
332 KB |
Output is correct |
| 7 |
Correct |
1 ms |
332 KB |
Output is correct |
| 8 |
Correct |
1 ms |
332 KB |
Output is correct |
| 9 |
Correct |
1 ms |
332 KB |
Output is correct |
| 10 |
Correct |
1 ms |
332 KB |
Output is correct |
| 11 |
Correct |
1 ms |
332 KB |
Output is correct |
| 12 |
Correct |
1 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
204 KB |
Output is correct |
| 2 |
Correct |
0 ms |
204 KB |
Output is correct |
| 3 |
Correct |
0 ms |
248 KB |
Output is correct |
| 4 |
Correct |
0 ms |
204 KB |
Output is correct |
| 5 |
Correct |
1 ms |
332 KB |
Output is correct |
| 6 |
Correct |
1 ms |
332 KB |
Output is correct |
| 7 |
Correct |
1 ms |
332 KB |
Output is correct |
| 8 |
Correct |
1 ms |
332 KB |
Output is correct |
| 9 |
Correct |
1 ms |
332 KB |
Output is correct |
| 10 |
Correct |
1 ms |
332 KB |
Output is correct |
| 11 |
Correct |
1 ms |
332 KB |
Output is correct |
| 12 |
Correct |
1 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
13 ms |
1268 KB |
Output is correct |
| 15 |
Correct |
1 ms |
332 KB |
Output is correct |
| 16 |
Correct |
9 ms |
932 KB |
Output is correct |
| 17 |
Correct |
1 ms |
204 KB |
Output is correct |
| 18 |
Correct |
17 ms |
1548 KB |
Output is correct |
| 19 |
Correct |
17 ms |
1504 KB |
Output is correct |
| 20 |
Correct |
17 ms |
1484 KB |
Output is correct |
| 21 |
Correct |
18 ms |
1796 KB |
Output is correct |
| 22 |
Correct |
17 ms |
1740 KB |
Output is correct |
| 23 |
Correct |
17 ms |
1768 KB |
Output is correct |
| 24 |
Correct |
19 ms |
1796 KB |
Output is correct |
| 25 |
Correct |
17 ms |
1732 KB |
Output is correct |
| 26 |
Correct |
17 ms |
1764 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
204 KB |
Output is correct |
| 2 |
Correct |
0 ms |
204 KB |
Output is correct |
| 3 |
Correct |
0 ms |
248 KB |
Output is correct |
| 4 |
Correct |
0 ms |
204 KB |
Output is correct |
| 5 |
Correct |
1 ms |
332 KB |
Output is correct |
| 6 |
Correct |
1 ms |
332 KB |
Output is correct |
| 7 |
Correct |
1 ms |
332 KB |
Output is correct |
| 8 |
Correct |
1 ms |
332 KB |
Output is correct |
| 9 |
Correct |
1 ms |
332 KB |
Output is correct |
| 10 |
Correct |
1 ms |
332 KB |
Output is correct |
| 11 |
Correct |
1 ms |
332 KB |
Output is correct |
| 12 |
Correct |
1 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
13 ms |
1268 KB |
Output is correct |
| 15 |
Correct |
1 ms |
332 KB |
Output is correct |
| 16 |
Correct |
9 ms |
932 KB |
Output is correct |
| 17 |
Correct |
1 ms |
204 KB |
Output is correct |
| 18 |
Correct |
17 ms |
1548 KB |
Output is correct |
| 19 |
Correct |
17 ms |
1504 KB |
Output is correct |
| 20 |
Correct |
17 ms |
1484 KB |
Output is correct |
| 21 |
Correct |
18 ms |
1796 KB |
Output is correct |
| 22 |
Correct |
17 ms |
1740 KB |
Output is correct |
| 23 |
Correct |
17 ms |
1768 KB |
Output is correct |
| 24 |
Correct |
19 ms |
1796 KB |
Output is correct |
| 25 |
Correct |
17 ms |
1732 KB |
Output is correct |
| 26 |
Correct |
17 ms |
1764 KB |
Output is correct |
| 27 |
Correct |
726 ms |
48740 KB |
Output is correct |
| 28 |
Correct |
3 ms |
588 KB |
Output is correct |
| 29 |
Correct |
51 ms |
4108 KB |
Output is correct |
| 30 |
Correct |
3 ms |
332 KB |
Output is correct |
| 31 |
Correct |
519 ms |
37040 KB |
Output is correct |
| 32 |
Correct |
755 ms |
51072 KB |
Output is correct |
| 33 |
Correct |
778 ms |
51276 KB |
Output is correct |
| 34 |
Correct |
619 ms |
42488 KB |
Output is correct |
| 35 |
Correct |
773 ms |
51264 KB |
Output is correct |
| 36 |
Correct |
787 ms |
51336 KB |
Output is correct |
| 37 |
Correct |
764 ms |
51540 KB |
Output is correct |
| 38 |
Correct |
518 ms |
36812 KB |
Output is correct |
| 39 |
Correct |
539 ms |
36920 KB |
Output is correct |
