Submission #716186

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
716186	2023-03-29T08:25:37 Z	YeoBL	Bitaro the Brave (JOI19_ho_t1)	C++14	100 / 100	274 ms	158812 KB

joi2019_ho_t1

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define fi first
#define se second
#define mp make_pair
#define pb emplace_back
int32_t main(){
	ios::sync_with_stdio(false);
	cin.tie(0); cout.tie(0);
	int n, k, ans = 0; cin >> n >> k;
	char ch[n][k];
	int cnt[n][k], cnt2[n][k];
	for (int i = 0; i < n; i++){
		for (int j = 0; j < k; j++){
			cin >> ch[i][j];
		}
	}
	for (int i = n - 1; i >= 0; i--){
		for (int j = k - 1; j >= 0; j--){
			if (i == n - 1) cnt[i][j] = 0;
			else cnt[i][j] = cnt[i + 1][j];
			if (j == k - 1) cnt2[i][j] = 0;
			else cnt2[i][j] = cnt2[i][j + 1];
			if (ch[i][j] == 'I') cnt[i][j]++;
			if (ch[i][j] == 'O') cnt2[i][j]++;
		}
	}
	for (int i = 0; i < n; i++){
		for (int j = 0; j < k; j++){
			if (ch[i][j] == 'J') ans += cnt[i][j] * cnt2[i][j];
		}
	}
	cout << ans;
}

Subtask #1

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	232 KB	Output is correct
5	Correct	1 ms	468 KB	Output is correct
6	Correct	1 ms	408 KB	Output is correct
7	Correct	1 ms	452 KB	Output is correct
8	Correct	1 ms	468 KB	Output is correct
9	Correct	1 ms	456 KB	Output is correct
10	Correct	1 ms	468 KB	Output is correct
11	Correct	1 ms	468 KB	Output is correct
12	Correct	1 ms	448 KB	Output is correct
13	Correct	1 ms	452 KB	Output is correct

Subtask #2

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	232 KB	Output is correct
5	Correct	1 ms	468 KB	Output is correct
6	Correct	1 ms	408 KB	Output is correct
7	Correct	1 ms	452 KB	Output is correct
8	Correct	1 ms	468 KB	Output is correct
9	Correct	1 ms	456 KB	Output is correct
10	Correct	1 ms	468 KB	Output is correct
11	Correct	1 ms	468 KB	Output is correct
12	Correct	1 ms	448 KB	Output is correct
13	Correct	1 ms	452 KB	Output is correct
14	Correct	6 ms	3656 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	4 ms	2516 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	9 ms	4692 KB	Output is correct
19	Correct	7 ms	4436 KB	Output is correct
20	Correct	7 ms	4564 KB	Output is correct
21	Correct	8 ms	4716 KB	Output is correct
22	Correct	8 ms	4416 KB	Output is correct
23	Correct	6 ms	4564 KB	Output is correct
24	Correct	8 ms	4692 KB	Output is correct
25	Correct	7 ms	4436 KB	Output is correct
26	Correct	6 ms	4564 KB	Output is correct

Subtask #3

50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	232 KB	Output is correct
5	Correct	1 ms	468 KB	Output is correct
6	Correct	1 ms	408 KB	Output is correct
7	Correct	1 ms	452 KB	Output is correct
8	Correct	1 ms	468 KB	Output is correct
9	Correct	1 ms	456 KB	Output is correct
10	Correct	1 ms	468 KB	Output is correct
11	Correct	1 ms	468 KB	Output is correct
12	Correct	1 ms	448 KB	Output is correct
13	Correct	1 ms	452 KB	Output is correct
14	Correct	6 ms	3656 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	4 ms	2516 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	9 ms	4692 KB	Output is correct
19	Correct	7 ms	4436 KB	Output is correct
20	Correct	7 ms	4564 KB	Output is correct
21	Correct	8 ms	4716 KB	Output is correct
22	Correct	8 ms	4416 KB	Output is correct
23	Correct	6 ms	4564 KB	Output is correct
24	Correct	8 ms	4692 KB	Output is correct
25	Correct	7 ms	4436 KB	Output is correct
26	Correct	6 ms	4564 KB	Output is correct
27	Correct	256 ms	150000 KB	Output is correct
28	Correct	1 ms	724 KB	Output is correct
29	Correct	20 ms	11712 KB	Output is correct
30	Correct	1 ms	724 KB	Output is correct
31	Correct	189 ms	110380 KB	Output is correct
32	Correct	198 ms	157708 KB	Output is correct
33	Correct	214 ms	158288 KB	Output is correct
34	Correct	214 ms	127868 KB	Output is correct
35	Correct	198 ms	157712 KB	Output is correct
36	Correct	193 ms	158368 KB	Output is correct
37	Correct	274 ms	158812 KB	Output is correct
38	Correct	149 ms	109508 KB	Output is correct
39	Correct	139 ms	109932 KB	Output is correct