#include <bits/stdc++.h>
using namespace std;
#define fileio() freopen("input.txt", "r", stdin), freopen("output.txt", "w", stdout)
#define fastio() cin.tie(0), ios_base::sync_with_stdio(0)
#define pb push_back
#define pii pair<int, int>
#define st first
#define nd second
#define endl "\n"
#define sp " "
#define N 3005
#define int long long
int row[N][N], col[N][N], arr[N][N];
int32_t main()
{
fastio();
int h, w;
cin>>h>>w;
for (int i = 1; i <= h; i++)
{
for (int j = 1; j <= w; j++)
{
char tmp;
cin>>tmp;
col[i][j] = col[i][j - 1];
row[i][j] = row[i - 1][j];
if (tmp == 'J') arr[i][j] = 1;
else if (tmp == 'O') arr[i][j] = 2, col[i][j]++;
else arr[i][j] = 3, row[i][j]++;
//cout<<row[i][j]<<sp;
}
//cout<<endl;
}
int ans = 0;
for (int i = 1; i <= h; i++)
{
for (int j = 1; j <= w; j++)
{
if (arr[i][j] == 1) ans += (row[h][j] - row[i][j]) * (col[i][w] - col[i][j]);
}
}
cout<<ans<<endl;
cerr<<"time taken : "<<(float)clock() / CLOCKS_PER_SEC<<" seconds\n";
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
328 KB |
Output is correct |
4 |
Correct |
1 ms |
468 KB |
Output is correct |
5 |
Correct |
1 ms |
1752 KB |
Output is correct |
6 |
Correct |
1 ms |
1748 KB |
Output is correct |
7 |
Correct |
1 ms |
1620 KB |
Output is correct |
8 |
Correct |
1 ms |
1744 KB |
Output is correct |
9 |
Correct |
1 ms |
1748 KB |
Output is correct |
10 |
Correct |
1 ms |
1620 KB |
Output is correct |
11 |
Correct |
1 ms |
1748 KB |
Output is correct |
12 |
Correct |
1 ms |
1748 KB |
Output is correct |
13 |
Correct |
1 ms |
1620 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
328 KB |
Output is correct |
4 |
Correct |
1 ms |
468 KB |
Output is correct |
5 |
Correct |
1 ms |
1752 KB |
Output is correct |
6 |
Correct |
1 ms |
1748 KB |
Output is correct |
7 |
Correct |
1 ms |
1620 KB |
Output is correct |
8 |
Correct |
1 ms |
1744 KB |
Output is correct |
9 |
Correct |
1 ms |
1748 KB |
Output is correct |
10 |
Correct |
1 ms |
1620 KB |
Output is correct |
11 |
Correct |
1 ms |
1748 KB |
Output is correct |
12 |
Correct |
1 ms |
1748 KB |
Output is correct |
13 |
Correct |
1 ms |
1620 KB |
Output is correct |
14 |
Correct |
10 ms |
10964 KB |
Output is correct |
15 |
Correct |
3 ms |
5460 KB |
Output is correct |
16 |
Correct |
6 ms |
6612 KB |
Output is correct |
17 |
Correct |
1 ms |
468 KB |
Output is correct |
18 |
Correct |
12 ms |
12500 KB |
Output is correct |
19 |
Correct |
11 ms |
12244 KB |
Output is correct |
20 |
Correct |
9 ms |
12264 KB |
Output is correct |
21 |
Correct |
12 ms |
12500 KB |
Output is correct |
22 |
Correct |
10 ms |
12212 KB |
Output is correct |
23 |
Correct |
10 ms |
12252 KB |
Output is correct |
24 |
Correct |
15 ms |
12440 KB |
Output is correct |
25 |
Correct |
10 ms |
12260 KB |
Output is correct |
26 |
Correct |
9 ms |
12244 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
328 KB |
Output is correct |
4 |
Correct |
1 ms |
468 KB |
Output is correct |
5 |
Correct |
1 ms |
1752 KB |
Output is correct |
6 |
Correct |
1 ms |
1748 KB |
Output is correct |
7 |
Correct |
1 ms |
1620 KB |
Output is correct |
8 |
Correct |
1 ms |
1744 KB |
Output is correct |
9 |
Correct |
1 ms |
1748 KB |
Output is correct |
10 |
Correct |
1 ms |
1620 KB |
Output is correct |
11 |
Correct |
1 ms |
1748 KB |
Output is correct |
12 |
Correct |
1 ms |
1748 KB |
Output is correct |
13 |
Correct |
1 ms |
1620 KB |
Output is correct |
14 |
Correct |
10 ms |
10964 KB |
Output is correct |
15 |
Correct |
3 ms |
5460 KB |
Output is correct |
16 |
Correct |
6 ms |
6612 KB |
Output is correct |
17 |
Correct |
1 ms |
468 KB |
Output is correct |
18 |
Correct |
12 ms |
12500 KB |
Output is correct |
19 |
Correct |
11 ms |
12244 KB |
Output is correct |
20 |
Correct |
9 ms |
12264 KB |
Output is correct |
21 |
Correct |
12 ms |
12500 KB |
Output is correct |
22 |
Correct |
10 ms |
12212 KB |
Output is correct |
23 |
Correct |
10 ms |
12252 KB |
Output is correct |
24 |
Correct |
15 ms |
12440 KB |
Output is correct |
25 |
Correct |
10 ms |
12260 KB |
Output is correct |
26 |
Correct |
9 ms |
12244 KB |
Output is correct |
27 |
Correct |
289 ms |
220216 KB |
Output is correct |
28 |
Correct |
14 ms |
29084 KB |
Output is correct |
29 |
Correct |
19 ms |
19156 KB |
Output is correct |
30 |
Correct |
1 ms |
992 KB |
Output is correct |
31 |
Correct |
232 ms |
182840 KB |
Output is correct |
32 |
Correct |
235 ms |
220752 KB |
Output is correct |
33 |
Correct |
197 ms |
220068 KB |
Output is correct |
34 |
Correct |
264 ms |
211952 KB |
Output is correct |
35 |
Correct |
245 ms |
220748 KB |
Output is correct |
36 |
Correct |
203 ms |
219980 KB |
Output is correct |
37 |
Correct |
305 ms |
220888 KB |
Output is correct |
38 |
Correct |
170 ms |
181972 KB |
Output is correct |
39 |
Correct |
152 ms |
182016 KB |
Output is correct |