#include <bits/stdc++.h>
using namespace std;
#define mod 1000000007
#define mp make_pair
#define pb push_back
#define bas(x) #x << ": " << x << " "
#define prarr(x, n) cout << #x << ": "; for (int qsd = 0; qsd < n; qsd++) cout << x[qsd] << " "; cout << endl;
#define prarrv(x) cout << #x << ": "; for (int qsd = 0; qsd < (int)x.size(); qsd++) cout << x[qsd] << " "; cout << endl;
#define ppair(x) "(" << x.first << ", " << x.second << ")"
#define inside sl<=l&&r<=sr
#define outside sr<l||r<sl
typedef long long ll;
int n, m;
int dpo[3003][3003];
int dpi[3003][3003];
char mat[3003][3003];
int main(){
//freopen("in", "r", stdin);
//freopen("out", "w", stdout);
cin.tie(0); ios::sync_with_stdio(false);
cin >> n >> m;
for (int i = 0; i < n; i++){
for (int j = 0; j < m; j++){
cin >> mat[i][j];
}
}
for (int i = 0; i < n; i++){
int sum = 0;
for (int j = m-1; j >= 0; j--){
sum += mat[i][j] == 'O';
dpo[i][j] = sum;
}
}
for (int j = 0; j < m; j++){
int sum = 0;
for (int i = n-1; i >= 0; i--){
sum += mat[i][j] == 'I';
dpi[i][j] = sum;
}
}
/*for (int i = 0; i < n; i++){
for (int j = 0; j < m; j++){
cout << dpo[i][j];
}
cout << endl;
}
cout << endl;
for (int i = 0; i < n; i++){
for (int j = 0; j < m; j++){
cout << dpi[i][j];
}
cout << endl;
}
cout << endl;*/
ll ans = 0;
for (int i = 0; i < n; i++){
for (int j = 0; j < m; j++){
if (mat[i][j] == 'J') ans += (ll)dpi[i][j]*(ll)dpo[i][j];
}
}
cout << ans << endl;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
348 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
504 KB |
Output is correct |
5 |
Correct |
3 ms |
1528 KB |
Output is correct |
6 |
Correct |
3 ms |
1500 KB |
Output is correct |
7 |
Correct |
3 ms |
1404 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 |
1448 KB |
Output is correct |
12 |
Correct |
3 ms |
1500 KB |
Output is correct |
13 |
Correct |
3 ms |
1400 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
348 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
504 KB |
Output is correct |
5 |
Correct |
3 ms |
1528 KB |
Output is correct |
6 |
Correct |
3 ms |
1500 KB |
Output is correct |
7 |
Correct |
3 ms |
1404 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 |
1448 KB |
Output is correct |
12 |
Correct |
3 ms |
1500 KB |
Output is correct |
13 |
Correct |
3 ms |
1400 KB |
Output is correct |
14 |
Correct |
12 ms |
7292 KB |
Output is correct |
15 |
Correct |
5 ms |
4984 KB |
Output is correct |
16 |
Correct |
7 ms |
4216 KB |
Output is correct |
17 |
Correct |
2 ms |
476 KB |
Output is correct |
18 |
Correct |
14 ms |
7772 KB |
Output is correct |
19 |
Correct |
12 ms |
7676 KB |
Output is correct |
20 |
Correct |
13 ms |
7600 KB |
Output is correct |
21 |
Correct |
15 ms |
7732 KB |
Output is correct |
22 |
Correct |
13 ms |
7672 KB |
Output is correct |
23 |
Correct |
13 ms |
7688 KB |
Output is correct |
24 |
Correct |
14 ms |
7804 KB |
Output is correct |
25 |
Correct |
13 ms |
7644 KB |
Output is correct |
26 |
Correct |
13 ms |
7580 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
348 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
504 KB |
Output is correct |
5 |
Correct |
3 ms |
1528 KB |
Output is correct |
6 |
Correct |
3 ms |
1500 KB |
Output is correct |
7 |
Correct |
3 ms |
1404 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 |
1448 KB |
Output is correct |
12 |
Correct |
3 ms |
1500 KB |
Output is correct |
13 |
Correct |
3 ms |
1400 KB |
Output is correct |
14 |
Correct |
12 ms |
7292 KB |
Output is correct |
15 |
Correct |
5 ms |
4984 KB |
Output is correct |
16 |
Correct |
7 ms |
4216 KB |
Output is correct |
17 |
Correct |
2 ms |
476 KB |
Output is correct |
18 |
Correct |
14 ms |
7772 KB |
Output is correct |
19 |
Correct |
12 ms |
7676 KB |
Output is correct |
20 |
Correct |
13 ms |
7600 KB |
Output is correct |
21 |
Correct |
15 ms |
7732 KB |
Output is correct |
22 |
Correct |
13 ms |
7672 KB |
Output is correct |
23 |
Correct |
13 ms |
7688 KB |
Output is correct |
24 |
Correct |
14 ms |
7804 KB |
Output is correct |
25 |
Correct |
13 ms |
7644 KB |
Output is correct |
26 |
Correct |
13 ms |
7580 KB |
Output is correct |
27 |
Correct |
430 ms |
79732 KB |
Output is correct |
28 |
Correct |
23 ms |
25972 KB |
Output is correct |
29 |
Correct |
22 ms |
7252 KB |
Output is correct |
30 |
Correct |
3 ms |
632 KB |
Output is correct |
31 |
Correct |
318 ms |
66496 KB |
Output is correct |
32 |
Correct |
408 ms |
79728 KB |
Output is correct |
33 |
Correct |
441 ms |
79416 KB |
Output is correct |
34 |
Correct |
393 ms |
77092 KB |
Output is correct |
35 |
Correct |
413 ms |
79708 KB |
Output is correct |
36 |
Correct |
427 ms |
79476 KB |
Output is correct |
37 |
Correct |
461 ms |
79808 KB |
Output is correct |
38 |
Correct |
292 ms |
66512 KB |
Output is correct |
39 |
Correct |
287 ms |
66208 KB |
Output is correct |