#include <iostream>
#include <vector>
#include <string>
using namespace std;
int Orb_Count[3005][3005];
int Ingot_Count[3005][3005];
int main()
{
int H, W;
cin >> H >> W;
vector<string> vs(H);
for (int i = 0; i != H; i++)
{
cin >> vs[i];
if (vs[i][0] == 'O')Orb_Count[i][0] = 1;
for (int j = 1; j != W; j++)
{
if (vs[i][j] == 'O')
{
Orb_Count[i][j] = Orb_Count[i][j - 1] + 1;
}
else
{
Orb_Count[i][j] = Orb_Count[i][j - 1];
}
}
}
for (int i = 0; i != W; i++)
{
if (vs[0][i] == 'I')Ingot_Count[0][i] = 1;
for (int j = 1; j != H; j++)
{
if (vs[j][i] == 'I')Ingot_Count[j][i] = Ingot_Count[j - 1][i] + 1;
else Ingot_Count[j][i] = Ingot_Count[j - 1][i];
}
}
long long Ans = 0;
for (int i = 0; i != H; i++)
{
for (int j = 0; j != W; j++)
{
if (vs[i][j] == 'J')
{
Ans += (Orb_Count[i][W - 1] - Orb_Count[i][j]) * (Ingot_Count[H - 1][j] - Ingot_Count[i][j]);
//cout << "I: " << i << " J: " << j << " ORB_COUNT: " << Ingot_Count[i][j] << " " << Ingot_Count[i][W - 1];
}
}
}
cout << Ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
376 KB |
Output is correct |
4 |
Correct |
5 ms |
376 KB |
Output is correct |
5 |
Correct |
6 ms |
1144 KB |
Output is correct |
6 |
Correct |
6 ms |
1144 KB |
Output is correct |
7 |
Correct |
5 ms |
1144 KB |
Output is correct |
8 |
Correct |
6 ms |
1144 KB |
Output is correct |
9 |
Correct |
6 ms |
1144 KB |
Output is correct |
10 |
Correct |
6 ms |
1144 KB |
Output is correct |
11 |
Correct |
7 ms |
1272 KB |
Output is correct |
12 |
Correct |
6 ms |
1400 KB |
Output is correct |
13 |
Correct |
6 ms |
1144 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
376 KB |
Output is correct |
4 |
Correct |
5 ms |
376 KB |
Output is correct |
5 |
Correct |
6 ms |
1144 KB |
Output is correct |
6 |
Correct |
6 ms |
1144 KB |
Output is correct |
7 |
Correct |
5 ms |
1144 KB |
Output is correct |
8 |
Correct |
6 ms |
1144 KB |
Output is correct |
9 |
Correct |
6 ms |
1144 KB |
Output is correct |
10 |
Correct |
6 ms |
1144 KB |
Output is correct |
11 |
Correct |
7 ms |
1272 KB |
Output is correct |
12 |
Correct |
6 ms |
1400 KB |
Output is correct |
13 |
Correct |
6 ms |
1144 KB |
Output is correct |
14 |
Correct |
20 ms |
6136 KB |
Output is correct |
15 |
Correct |
7 ms |
3708 KB |
Output is correct |
16 |
Correct |
14 ms |
3704 KB |
Output is correct |
17 |
Correct |
6 ms |
380 KB |
Output is correct |
18 |
Correct |
24 ms |
6780 KB |
Output is correct |
19 |
Correct |
21 ms |
6520 KB |
Output is correct |
20 |
Correct |
22 ms |
6648 KB |
Output is correct |
21 |
Correct |
24 ms |
6776 KB |
Output is correct |
22 |
Correct |
22 ms |
6396 KB |
Output is correct |
23 |
Correct |
22 ms |
6648 KB |
Output is correct |
24 |
Correct |
24 ms |
6776 KB |
Output is correct |
25 |
Correct |
21 ms |
6520 KB |
Output is correct |
26 |
Correct |
22 ms |
6648 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
376 KB |
Output is correct |
4 |
Correct |
5 ms |
376 KB |
Output is correct |
5 |
Correct |
6 ms |
1144 KB |
Output is correct |
6 |
Correct |
6 ms |
1144 KB |
Output is correct |
7 |
Correct |
5 ms |
1144 KB |
Output is correct |
8 |
Correct |
6 ms |
1144 KB |
Output is correct |
9 |
Correct |
6 ms |
1144 KB |
Output is correct |
10 |
Correct |
6 ms |
1144 KB |
Output is correct |
11 |
Correct |
7 ms |
1272 KB |
Output is correct |
12 |
Correct |
6 ms |
1400 KB |
Output is correct |
13 |
Correct |
6 ms |
1144 KB |
Output is correct |
14 |
Correct |
20 ms |
6136 KB |
Output is correct |
15 |
Correct |
7 ms |
3708 KB |
Output is correct |
16 |
Correct |
14 ms |
3704 KB |
Output is correct |
17 |
Correct |
6 ms |
380 KB |
Output is correct |
18 |
Correct |
24 ms |
6780 KB |
Output is correct |
19 |
Correct |
21 ms |
6520 KB |
Output is correct |
20 |
Correct |
22 ms |
6648 KB |
Output is correct |
21 |
Correct |
24 ms |
6776 KB |
Output is correct |
22 |
Correct |
22 ms |
6396 KB |
Output is correct |
23 |
Correct |
22 ms |
6648 KB |
Output is correct |
24 |
Correct |
24 ms |
6776 KB |
Output is correct |
25 |
Correct |
21 ms |
6520 KB |
Output is correct |
26 |
Correct |
22 ms |
6648 KB |
Output is correct |
27 |
Correct |
728 ms |
82344 KB |
Output is correct |
28 |
Correct |
17 ms |
19192 KB |
Output is correct |
29 |
Correct |
43 ms |
7416 KB |
Output is correct |
30 |
Correct |
6 ms |
632 KB |
Output is correct |
31 |
Correct |
533 ms |
68604 KB |
Output is correct |
32 |
Correct |
709 ms |
82424 KB |
Output is correct |
33 |
Correct |
711 ms |
82168 KB |
Output is correct |
34 |
Correct |
622 ms |
79608 KB |
Output is correct |
35 |
Correct |
711 ms |
82288 KB |
Output is correct |
36 |
Correct |
707 ms |
82040 KB |
Output is correct |
37 |
Correct |
774 ms |
82424 KB |
Output is correct |
38 |
Correct |
509 ms |
68728 KB |
Output is correct |
39 |
Correct |
500 ms |
68344 KB |
Output is correct |