#include <bits/stdc++.h>
#define ll long long
#define MAXH 3010
using namespace std;
char c[MAXH][MAXH];
ll cnto[MAXH][MAXH],cnti[MAXH][MAXH];
int main()
{
ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
ll h,w,ans=0;
cin >> h >> w;
for (ll i=1;i<=h;i++)
{
for (ll j=1;j<=w;j++)
cin >> c[i][j];
}
for (ll i=1;i<=h;i++)
{
for (ll j=w;j>=1;j--)
cnto[i][j]=cnto[i][j+1]+(c[i][j]=='O');
}
for (ll j=1;j<=w;j++)
{
for (ll i=h;i>=1;i--)
{
cnti[i][j]=cnti[i+1][j]+(c[i][j]=='I');
if (c[i][j]=='J')
ans+=cnto[i][j]*cnti[i][j];
}
}
cout << ans;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
324 KB |
Output is correct |
5 |
Correct |
1 ms |
1492 KB |
Output is correct |
6 |
Correct |
1 ms |
1492 KB |
Output is correct |
7 |
Correct |
1 ms |
1364 KB |
Output is correct |
8 |
Correct |
2 ms |
1492 KB |
Output is correct |
9 |
Correct |
1 ms |
1544 KB |
Output is correct |
10 |
Correct |
1 ms |
1364 KB |
Output is correct |
11 |
Correct |
1 ms |
1488 KB |
Output is correct |
12 |
Correct |
2 ms |
1492 KB |
Output is correct |
13 |
Correct |
1 ms |
1364 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
324 KB |
Output is correct |
5 |
Correct |
1 ms |
1492 KB |
Output is correct |
6 |
Correct |
1 ms |
1492 KB |
Output is correct |
7 |
Correct |
1 ms |
1364 KB |
Output is correct |
8 |
Correct |
2 ms |
1492 KB |
Output is correct |
9 |
Correct |
1 ms |
1544 KB |
Output is correct |
10 |
Correct |
1 ms |
1364 KB |
Output is correct |
11 |
Correct |
1 ms |
1488 KB |
Output is correct |
12 |
Correct |
2 ms |
1492 KB |
Output is correct |
13 |
Correct |
1 ms |
1364 KB |
Output is correct |
14 |
Correct |
10 ms |
8936 KB |
Output is correct |
15 |
Correct |
3 ms |
4948 KB |
Output is correct |
16 |
Correct |
5 ms |
5332 KB |
Output is correct |
17 |
Correct |
1 ms |
468 KB |
Output is correct |
18 |
Correct |
11 ms |
10004 KB |
Output is correct |
19 |
Correct |
10 ms |
9800 KB |
Output is correct |
20 |
Correct |
11 ms |
9772 KB |
Output is correct |
21 |
Correct |
11 ms |
9940 KB |
Output is correct |
22 |
Correct |
12 ms |
9796 KB |
Output is correct |
23 |
Correct |
10 ms |
9684 KB |
Output is correct |
24 |
Correct |
12 ms |
9940 KB |
Output is correct |
25 |
Correct |
11 ms |
9812 KB |
Output is correct |
26 |
Correct |
10 ms |
9684 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
324 KB |
Output is correct |
5 |
Correct |
1 ms |
1492 KB |
Output is correct |
6 |
Correct |
1 ms |
1492 KB |
Output is correct |
7 |
Correct |
1 ms |
1364 KB |
Output is correct |
8 |
Correct |
2 ms |
1492 KB |
Output is correct |
9 |
Correct |
1 ms |
1544 KB |
Output is correct |
10 |
Correct |
1 ms |
1364 KB |
Output is correct |
11 |
Correct |
1 ms |
1488 KB |
Output is correct |
12 |
Correct |
2 ms |
1492 KB |
Output is correct |
13 |
Correct |
1 ms |
1364 KB |
Output is correct |
14 |
Correct |
10 ms |
8936 KB |
Output is correct |
15 |
Correct |
3 ms |
4948 KB |
Output is correct |
16 |
Correct |
5 ms |
5332 KB |
Output is correct |
17 |
Correct |
1 ms |
468 KB |
Output is correct |
18 |
Correct |
11 ms |
10004 KB |
Output is correct |
19 |
Correct |
10 ms |
9800 KB |
Output is correct |
20 |
Correct |
11 ms |
9772 KB |
Output is correct |
21 |
Correct |
11 ms |
9940 KB |
Output is correct |
22 |
Correct |
12 ms |
9796 KB |
Output is correct |
23 |
Correct |
10 ms |
9684 KB |
Output is correct |
24 |
Correct |
12 ms |
9940 KB |
Output is correct |
25 |
Correct |
11 ms |
9812 KB |
Output is correct |
26 |
Correct |
10 ms |
9684 KB |
Output is correct |
27 |
Correct |
356 ms |
158792 KB |
Output is correct |
28 |
Correct |
14 ms |
26324 KB |
Output is correct |
29 |
Correct |
24 ms |
13888 KB |
Output is correct |
30 |
Correct |
2 ms |
724 KB |
Output is correct |
31 |
Correct |
274 ms |
131644 KB |
Output is correct |
32 |
Correct |
347 ms |
159256 KB |
Output is correct |
33 |
Correct |
357 ms |
158896 KB |
Output is correct |
34 |
Correct |
335 ms |
152660 KB |
Output is correct |
35 |
Correct |
348 ms |
159200 KB |
Output is correct |
36 |
Correct |
370 ms |
158712 KB |
Output is correct |
37 |
Correct |
400 ms |
159260 KB |
Output is correct |
38 |
Correct |
256 ms |
130780 KB |
Output is correct |
39 |
Correct |
277 ms |
131004 KB |
Output is correct |