#include <bits/stdc++.h>
#define MAXN 3010
using namespace std;
int h, w, qorb[MAXN][MAXN], qing[MAXN][MAXN];
char s[MAXN][MAXN];
int main()
{
cin >> h >> w;
for(int i = 1 ; i <= h ; i++)
{
for(int j = 1 ; j <= w ; j++)
{
cin >> s[i][j];
qorb[i][j] = qorb[i][j-1];
if(s[i][j] == 'O') qorb[i][j]++;
}
}
for(int j = 1 ; j <= w ; j++)
{
for(int i = 1 ; i <= h ; i++)
{
qing[i][j] = qing[i-1][j];
if(s[i][j] == 'I') qing[i][j]++;
}
}
long long int sum = 0;
for(int i = 1 ; i <= h ; i++)
{
for(int j = 1 ; j <= w ; j++)
{
if(s[i][j] == 'J')
{
long long int v = (qorb[i][w] - qorb[i][j])*(qing[h][j] - qing[i][j]);
sum += v;
}
}
}
cout << sum << endl;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
3 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
3 ms |
512 KB |
Output is correct |
5 |
Correct |
4 ms |
1536 KB |
Output is correct |
6 |
Correct |
4 ms |
1536 KB |
Output is correct |
7 |
Correct |
3 ms |
1408 KB |
Output is correct |
8 |
Correct |
5 ms |
1544 KB |
Output is correct |
9 |
Correct |
4 ms |
1536 KB |
Output is correct |
10 |
Correct |
4 ms |
1408 KB |
Output is correct |
11 |
Correct |
4 ms |
1536 KB |
Output is correct |
12 |
Correct |
5 ms |
1408 KB |
Output is correct |
13 |
Correct |
3 ms |
1408 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
3 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
3 ms |
512 KB |
Output is correct |
5 |
Correct |
4 ms |
1536 KB |
Output is correct |
6 |
Correct |
4 ms |
1536 KB |
Output is correct |
7 |
Correct |
3 ms |
1408 KB |
Output is correct |
8 |
Correct |
5 ms |
1544 KB |
Output is correct |
9 |
Correct |
4 ms |
1536 KB |
Output is correct |
10 |
Correct |
4 ms |
1408 KB |
Output is correct |
11 |
Correct |
4 ms |
1536 KB |
Output is correct |
12 |
Correct |
5 ms |
1408 KB |
Output is correct |
13 |
Correct |
3 ms |
1408 KB |
Output is correct |
14 |
Correct |
23 ms |
7296 KB |
Output is correct |
15 |
Correct |
9 ms |
4992 KB |
Output is correct |
16 |
Correct |
18 ms |
4196 KB |
Output is correct |
17 |
Correct |
2 ms |
384 KB |
Output is correct |
18 |
Correct |
33 ms |
7800 KB |
Output is correct |
19 |
Correct |
23 ms |
7680 KB |
Output is correct |
20 |
Correct |
22 ms |
7672 KB |
Output is correct |
21 |
Correct |
24 ms |
7800 KB |
Output is correct |
22 |
Correct |
22 ms |
7680 KB |
Output is correct |
23 |
Correct |
24 ms |
7552 KB |
Output is correct |
24 |
Correct |
32 ms |
7800 KB |
Output is correct |
25 |
Correct |
29 ms |
7704 KB |
Output is correct |
26 |
Correct |
28 ms |
7792 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
3 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
3 ms |
512 KB |
Output is correct |
5 |
Correct |
4 ms |
1536 KB |
Output is correct |
6 |
Correct |
4 ms |
1536 KB |
Output is correct |
7 |
Correct |
3 ms |
1408 KB |
Output is correct |
8 |
Correct |
5 ms |
1544 KB |
Output is correct |
9 |
Correct |
4 ms |
1536 KB |
Output is correct |
10 |
Correct |
4 ms |
1408 KB |
Output is correct |
11 |
Correct |
4 ms |
1536 KB |
Output is correct |
12 |
Correct |
5 ms |
1408 KB |
Output is correct |
13 |
Correct |
3 ms |
1408 KB |
Output is correct |
14 |
Correct |
23 ms |
7296 KB |
Output is correct |
15 |
Correct |
9 ms |
4992 KB |
Output is correct |
16 |
Correct |
18 ms |
4196 KB |
Output is correct |
17 |
Correct |
2 ms |
384 KB |
Output is correct |
18 |
Correct |
33 ms |
7800 KB |
Output is correct |
19 |
Correct |
23 ms |
7680 KB |
Output is correct |
20 |
Correct |
22 ms |
7672 KB |
Output is correct |
21 |
Correct |
24 ms |
7800 KB |
Output is correct |
22 |
Correct |
22 ms |
7680 KB |
Output is correct |
23 |
Correct |
24 ms |
7552 KB |
Output is correct |
24 |
Correct |
32 ms |
7800 KB |
Output is correct |
25 |
Correct |
29 ms |
7704 KB |
Output is correct |
26 |
Correct |
28 ms |
7792 KB |
Output is correct |
27 |
Correct |
845 ms |
79768 KB |
Output is correct |
28 |
Correct |
29 ms |
26112 KB |
Output is correct |
29 |
Correct |
53 ms |
7160 KB |
Output is correct |
30 |
Correct |
5 ms |
640 KB |
Output is correct |
31 |
Correct |
642 ms |
66908 KB |
Output is correct |
32 |
Correct |
836 ms |
79864 KB |
Output is correct |
33 |
Correct |
915 ms |
79864 KB |
Output is correct |
34 |
Correct |
755 ms |
77260 KB |
Output is correct |
35 |
Correct |
858 ms |
79992 KB |
Output is correct |
36 |
Correct |
740 ms |
79700 KB |
Output is correct |
37 |
Correct |
872 ms |
79992 KB |
Output is correct |
38 |
Correct |
586 ms |
66732 KB |
Output is correct |
39 |
Correct |
545 ms |
66364 KB |
Output is correct |