#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
using namespace std;
#define MOD 1000000007ll
#define EPS 1e-9
typedef long long ll;
typedef long double ld;
typedef pair <ll,ll> pl;
typedef tuple <ll,ll,ll> tl;
ll H, W, OC[3005][3005], IC[3005][3005], T;
char PL[3005][3005];
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
cin >> H >> W;
for (ll i = 1; i <= H; i++) {
for (ll j = 1; j <= W; j++) {
cin >> PL[i][j];
}
}
for (ll i = 1; i <= H; i++) {
OC[i][W+1] = 0;
for (ll j = W; j >= 1; j--) {
OC[i][j] = OC[i][j+1];
if (PL[i][j] == 'O') OC[i][j]++;
}
}
for (ll j = 1; j <= W; j++) {
IC[H+1][j] = 0;
for (ll i = H; i >= 1; i--) {
IC[i][j] = IC[i+1][j];
if (PL[i][j] == 'I') IC[i][j]++;
}
}
T = 0;
for (ll i = 1; i <= H; i++) {
for (ll j = 1; j <= W; j++) {
if (PL[i][j] == 'J') T += OC[i][j] * IC[i][j];
}
}
cout << T;
return 0;
}
| # |
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 |
504 KB |
Output is correct |
| 5 |
Correct |
5 ms |
1656 KB |
Output is correct |
| 6 |
Correct |
5 ms |
1528 KB |
Output is correct |
| 7 |
Correct |
5 ms |
1528 KB |
Output is correct |
| 8 |
Correct |
5 ms |
1528 KB |
Output is correct |
| 9 |
Correct |
6 ms |
1528 KB |
Output is correct |
| 10 |
Correct |
5 ms |
1528 KB |
Output is correct |
| 11 |
Correct |
6 ms |
1656 KB |
Output is correct |
| 12 |
Correct |
5 ms |
1528 KB |
Output is correct |
| 13 |
Correct |
5 ms |
1528 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 |
504 KB |
Output is correct |
| 5 |
Correct |
5 ms |
1656 KB |
Output is correct |
| 6 |
Correct |
5 ms |
1528 KB |
Output is correct |
| 7 |
Correct |
5 ms |
1528 KB |
Output is correct |
| 8 |
Correct |
5 ms |
1528 KB |
Output is correct |
| 9 |
Correct |
6 ms |
1528 KB |
Output is correct |
| 10 |
Correct |
5 ms |
1528 KB |
Output is correct |
| 11 |
Correct |
6 ms |
1656 KB |
Output is correct |
| 12 |
Correct |
5 ms |
1528 KB |
Output is correct |
| 13 |
Correct |
5 ms |
1528 KB |
Output is correct |
| 14 |
Correct |
15 ms |
8824 KB |
Output is correct |
| 15 |
Correct |
7 ms |
5112 KB |
Output is correct |
| 16 |
Correct |
10 ms |
5240 KB |
Output is correct |
| 17 |
Correct |
5 ms |
504 KB |
Output is correct |
| 18 |
Correct |
16 ms |
9720 KB |
Output is correct |
| 19 |
Correct |
14 ms |
9592 KB |
Output is correct |
| 20 |
Correct |
14 ms |
9592 KB |
Output is correct |
| 21 |
Correct |
17 ms |
9720 KB |
Output is correct |
| 22 |
Correct |
14 ms |
9620 KB |
Output is correct |
| 23 |
Correct |
15 ms |
9592 KB |
Output is correct |
| 24 |
Correct |
17 ms |
9720 KB |
Output is correct |
| 25 |
Correct |
15 ms |
9700 KB |
Output is correct |
| 26 |
Correct |
14 ms |
9592 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 |
504 KB |
Output is correct |
| 5 |
Correct |
5 ms |
1656 KB |
Output is correct |
| 6 |
Correct |
5 ms |
1528 KB |
Output is correct |
| 7 |
Correct |
5 ms |
1528 KB |
Output is correct |
| 8 |
Correct |
5 ms |
1528 KB |
Output is correct |
| 9 |
Correct |
6 ms |
1528 KB |
Output is correct |
| 10 |
Correct |
5 ms |
1528 KB |
Output is correct |
| 11 |
Correct |
6 ms |
1656 KB |
Output is correct |
| 12 |
Correct |
5 ms |
1528 KB |
Output is correct |
| 13 |
Correct |
5 ms |
1528 KB |
Output is correct |
| 14 |
Correct |
15 ms |
8824 KB |
Output is correct |
| 15 |
Correct |
7 ms |
5112 KB |
Output is correct |
| 16 |
Correct |
10 ms |
5240 KB |
Output is correct |
| 17 |
Correct |
5 ms |
504 KB |
Output is correct |
| 18 |
Correct |
16 ms |
9720 KB |
Output is correct |
| 19 |
Correct |
14 ms |
9592 KB |
Output is correct |
| 20 |
Correct |
14 ms |
9592 KB |
Output is correct |
| 21 |
Correct |
17 ms |
9720 KB |
Output is correct |
| 22 |
Correct |
14 ms |
9620 KB |
Output is correct |
| 23 |
Correct |
15 ms |
9592 KB |
Output is correct |
| 24 |
Correct |
17 ms |
9720 KB |
Output is correct |
| 25 |
Correct |
15 ms |
9700 KB |
Output is correct |
| 26 |
Correct |
14 ms |
9592 KB |
Output is correct |
| 27 |
Correct |
473 ms |
150392 KB |
Output is correct |
| 28 |
Correct |
18 ms |
26392 KB |
Output is correct |
| 29 |
Correct |
27 ms |
13304 KB |
Output is correct |
| 30 |
Correct |
6 ms |
888 KB |
Output is correct |
| 31 |
Correct |
351 ms |
125432 KB |
Output is correct |
| 32 |
Correct |
430 ms |
150524 KB |
Output is correct |
| 33 |
Correct |
446 ms |
149880 KB |
Output is correct |
| 34 |
Correct |
404 ms |
145376 KB |
Output is correct |
| 35 |
Correct |
454 ms |
150520 KB |
Output is correct |
| 36 |
Correct |
432 ms |
149832 KB |
Output is correct |
| 37 |
Correct |
509 ms |
150528 KB |
Output is correct |
| 38 |
Correct |
317 ms |
124792 KB |
Output is correct |
| 39 |
Correct |
322 ms |
124920 KB |
Output is correct |
