oj.uz

Submission #352410

# Submission time Handle Problem Language Result Execution time Memory
352410 2021-01-20T17:56:45 Z SeDunion Bitaro the Brave (JOI19_ho_t1) C++17
100 / 100
 166 ms 162924 KB 
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 3000 + 66;

string s[N];
ll d[N][N], r[N][N], Ans;

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0), cout.tie(0);
	int n, m;
	cin >> n >> m;
	for (int i = 0 ; i < n ; ++ i) cin >> s[i];
	for (int i = n - 1 ; i >= 0 ; -- i) {
		for (int j = m - 1 ; j >= 0 ; -- j) {
			r[i][j] = s[i][j] == 'O';
			if (j + 1 < m) r[i][j] += r[i][j + 1];
			d[i][j] = s[i][j] == 'I';
			if (i + 1 < n) d[i][j] += d[i + 1][j];
			Ans += (s[i][j] == 'J') * d[i][j] * r[i][j];
		}
	}
	cout << Ans;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 1 ms 1388 KB Output is correct
6 Correct 1 ms 1388 KB Output is correct
7 Correct 1 ms 1260 KB Output is correct
8 Correct 1 ms 1388 KB Output is correct
9 Correct 1 ms 1388 KB Output is correct
10 Correct 1 ms 1260 KB Output is correct
11 Correct 1 ms 1388 KB Output is correct
12 Correct 1 ms 1388 KB Output is correct
13 Correct 1 ms 1260 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 1 ms 1388 KB Output is correct
6 Correct 1 ms 1388 KB Output is correct
7 Correct 1 ms 1260 KB Output is correct
8 Correct 1 ms 1388 KB Output is correct
9 Correct 1 ms 1388 KB Output is correct
10 Correct 1 ms 1260 KB Output is correct
11 Correct 1 ms 1388 KB Output is correct
12 Correct 1 ms 1388 KB Output is correct
13 Correct 1 ms 1260 KB Output is correct
14 Correct 6 ms 7916 KB Output is correct
15 Correct 2 ms 3948 KB Output is correct
16 Correct 4 ms 4844 KB Output is correct
17 Correct 1 ms 492 KB Output is correct
18 Correct 6 ms 8940 KB Output is correct
19 Correct 6 ms 8684 KB Output is correct
20 Correct 6 ms 8684 KB Output is correct
21 Correct 6 ms 8940 KB Output is correct
22 Correct 6 ms 8684 KB Output is correct
23 Correct 6 ms 8684 KB Output is correct
24 Correct 6 ms 8940 KB Output is correct
25 Correct 6 ms 8684 KB Output is correct
26 Correct 6 ms 8684 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 1 ms 1388 KB Output is correct
6 Correct 1 ms 1388 KB Output is correct
7 Correct 1 ms 1260 KB Output is correct
8 Correct 1 ms 1388 KB Output is correct
9 Correct 1 ms 1388 KB Output is correct
10 Correct 1 ms 1260 KB Output is correct
11 Correct 1 ms 1388 KB Output is correct
12 Correct 1 ms 1388 KB Output is correct
13 Correct 1 ms 1260 KB Output is correct
14 Correct 6 ms 7916 KB Output is correct
15 Correct 2 ms 3948 KB Output is correct
16 Correct 4 ms 4844 KB Output is correct
17 Correct 1 ms 492 KB Output is correct
18 Correct 6 ms 8940 KB Output is correct
19 Correct 6 ms 8684 KB Output is correct
20 Correct 6 ms 8684 KB Output is correct
21 Correct 6 ms 8940 KB Output is correct
22 Correct 6 ms 8684 KB Output is correct
23 Correct 6 ms 8684 KB Output is correct
24 Correct 6 ms 8940 KB Output is correct
25 Correct 6 ms 8684 KB Output is correct
26 Correct 6 ms 8684 KB Output is correct
27 Correct 127 ms 161932 KB Output is correct
28 Correct 11 ms 19564 KB Output is correct
29 Correct 11 ms 14060 KB Output is correct
30 Correct 2 ms 876 KB Output is correct
31 Correct 98 ms 131052 KB Output is correct
32 Correct 131 ms 162796 KB Output is correct
33 Correct 166 ms 162432 KB Output is correct
34 Correct 114 ms 151916 KB Output is correct
35 Correct 135 ms 162924 KB Output is correct
36 Correct 127 ms 162540 KB Output is correct
37 Correct 129 ms 162924 KB Output is correct
38 Correct 98 ms 130156 KB Output is correct
39 Correct 98 ms 130540 KB Output is correct