#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;
}
| # |
결과 |
실행 시간 |
메모리 |
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 |
| # |
결과 |
실행 시간 |
메모리 |
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 |
| # |
결과 |
실행 시간 |
메모리 |
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 |
