#include <iostream>
using namespace std;
using ll = long long;
#define MIN(a, b) (((a) < (b)) ? (a) : (b))
#define MAX(a, b) (((a) < (b)) ? (b) : (a))
int const nmax = 3000;
char v[5 + nmax][5 + nmax];
int ingots[5 + nmax][5 + nmax], orbs[5 + nmax][5 + nmax];
int main()
{
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int n, m;
cin >> n >> m;
for(int i = 1;i <= n; i++)
for(int j = 1;j <= m; j++) {
cin >> v[i][j];
if(v[i][j] == 'O')
orbs[i][j]++;
else if(v[i][j] == 'I')
ingots[i][j]++;
}
for(int i = n; 1 <= i; i--)
for(int j = m; 1 <= j; j--) {
orbs[i][j] += orbs[i][j + 1];
ingots[i][j] += ingots[i + 1][j];
}
ll result = 0;
for(int i = 1;i <= n; i++)
for(int j = 1;j <= m; j++)
if(v[i][j] == 'J') {
result += orbs[i][j] * ingots[i][j];
}
cout << result << '\n';
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
0 ms |
376 KB |
Output is correct |
5 |
Correct |
3 ms |
1528 KB |
Output is correct |
6 |
Correct |
3 ms |
1528 KB |
Output is correct |
7 |
Correct |
3 ms |
1400 KB |
Output is correct |
8 |
Correct |
3 ms |
1528 KB |
Output is correct |
9 |
Correct |
3 ms |
1528 KB |
Output is correct |
10 |
Correct |
3 ms |
1400 KB |
Output is correct |
11 |
Correct |
3 ms |
1528 KB |
Output is correct |
12 |
Correct |
3 ms |
1528 KB |
Output is correct |
13 |
Correct |
3 ms |
1400 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
0 ms |
376 KB |
Output is correct |
5 |
Correct |
3 ms |
1528 KB |
Output is correct |
6 |
Correct |
3 ms |
1528 KB |
Output is correct |
7 |
Correct |
3 ms |
1400 KB |
Output is correct |
8 |
Correct |
3 ms |
1528 KB |
Output is correct |
9 |
Correct |
3 ms |
1528 KB |
Output is correct |
10 |
Correct |
3 ms |
1400 KB |
Output is correct |
11 |
Correct |
3 ms |
1528 KB |
Output is correct |
12 |
Correct |
3 ms |
1528 KB |
Output is correct |
13 |
Correct |
3 ms |
1400 KB |
Output is correct |
14 |
Correct |
14 ms |
7288 KB |
Output is correct |
15 |
Correct |
9 ms |
4984 KB |
Output is correct |
16 |
Correct |
8 ms |
4216 KB |
Output is correct |
17 |
Correct |
2 ms |
504 KB |
Output is correct |
18 |
Correct |
16 ms |
7800 KB |
Output is correct |
19 |
Correct |
13 ms |
7672 KB |
Output is correct |
20 |
Correct |
12 ms |
7596 KB |
Output is correct |
21 |
Correct |
15 ms |
7800 KB |
Output is correct |
22 |
Correct |
17 ms |
7672 KB |
Output is correct |
23 |
Correct |
13 ms |
7672 KB |
Output is correct |
24 |
Correct |
17 ms |
7800 KB |
Output is correct |
25 |
Correct |
13 ms |
7672 KB |
Output is correct |
26 |
Correct |
12 ms |
7672 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
0 ms |
376 KB |
Output is correct |
5 |
Correct |
3 ms |
1528 KB |
Output is correct |
6 |
Correct |
3 ms |
1528 KB |
Output is correct |
7 |
Correct |
3 ms |
1400 KB |
Output is correct |
8 |
Correct |
3 ms |
1528 KB |
Output is correct |
9 |
Correct |
3 ms |
1528 KB |
Output is correct |
10 |
Correct |
3 ms |
1400 KB |
Output is correct |
11 |
Correct |
3 ms |
1528 KB |
Output is correct |
12 |
Correct |
3 ms |
1528 KB |
Output is correct |
13 |
Correct |
3 ms |
1400 KB |
Output is correct |
14 |
Correct |
14 ms |
7288 KB |
Output is correct |
15 |
Correct |
9 ms |
4984 KB |
Output is correct |
16 |
Correct |
8 ms |
4216 KB |
Output is correct |
17 |
Correct |
2 ms |
504 KB |
Output is correct |
18 |
Correct |
16 ms |
7800 KB |
Output is correct |
19 |
Correct |
13 ms |
7672 KB |
Output is correct |
20 |
Correct |
12 ms |
7596 KB |
Output is correct |
21 |
Correct |
15 ms |
7800 KB |
Output is correct |
22 |
Correct |
17 ms |
7672 KB |
Output is correct |
23 |
Correct |
13 ms |
7672 KB |
Output is correct |
24 |
Correct |
17 ms |
7800 KB |
Output is correct |
25 |
Correct |
13 ms |
7672 KB |
Output is correct |
26 |
Correct |
12 ms |
7672 KB |
Output is correct |
27 |
Correct |
359 ms |
79736 KB |
Output is correct |
28 |
Correct |
23 ms |
26104 KB |
Output is correct |
29 |
Correct |
21 ms |
7800 KB |
Output is correct |
30 |
Correct |
3 ms |
680 KB |
Output is correct |
31 |
Correct |
274 ms |
72596 KB |
Output is correct |
32 |
Correct |
271 ms |
88504 KB |
Output is correct |
33 |
Correct |
240 ms |
88312 KB |
Output is correct |
34 |
Correct |
316 ms |
84344 KB |
Output is correct |
35 |
Correct |
273 ms |
88440 KB |
Output is correct |
36 |
Correct |
235 ms |
88312 KB |
Output is correct |
37 |
Correct |
401 ms |
88584 KB |
Output is correct |
38 |
Correct |
190 ms |
72576 KB |
Output is correct |
39 |
Correct |
175 ms |
72284 KB |
Output is correct |