Submission #814136

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
814136	2023-08-08T05:46:50 Z	이동현(#10122)	Security Gate (JOI18_security_gate)	C++17	30 / 100	1624 ms	340 KB

securitygate

#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#define int long long
using namespace std;

signed main(){
	ios_base::sync_with_stdio(false);
	cin.tie(0);

	int n;
	cin >> n;
	if(n % 2){
		cout << "0\n";

		return 0;
	}
	string s;
	cin >> s;

	vector<int> x;
	for(int i = 0; i < n; ++i){
		if(s[i] == 'x'){
			x.push_back(i);
		}
	}

	int ans = 0;
	for(int bt = 0; bt < 1 << (int)x.size(); ++bt){
		for(int i = 0; i < (int)x.size(); ++i){
			s[x[i]] = ((bt & (1 << i)) ? '(' : ')');
		}

		vector<int> pre(n);
		for(int i = 0; i < n; ++i){
			pre[i] = s[i] == '(' ? 1 : -1;
			if(i) pre[i] += pre[i - 1];
		}

		int can = 0;
		for(int i = 0, si = 0; i <= n && si >= 0; ++i){
			for(int j = n, sj = 0; j >= i && sj >= 0; --j){
				if(j) sj += s[j - 1] == ')' ? 1 : -1;

				if((i ? pre[i - 1] : 0) + pre[n - 1] / 2 == (j ? pre[j - 1] : 0)){
					int mx = 0;

					for(int k = i; k < j; ++k){
						mx = max(mx, pre[k]);
					}

					if((i ? pre[i - 1] : 0) * 2 >= mx){
						can = 1;

						break;
					}
				}
			}
			if(can) break;

			if(i < n) si += s[i] == '(' ? 1 : -1;
		}

		ans += can;
	}

	cout << ans << '\n';
	
	return 0;
}

Subtask #1
4.0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	320 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct

Subtask #2
8.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	320 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	2 ms	212 KB	Output is correct
22	Correct	3 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	2 ms	212 KB	Output is correct
25	Correct	1 ms	320 KB	Output is correct
26	Correct	1 ms	212 KB	Output is correct
27	Correct	4 ms	212 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	12 ms	316 KB	Output is correct

Subtask #3
18.0 / 18.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	320 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	2 ms	212 KB	Output is correct
22	Correct	3 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	2 ms	212 KB	Output is correct
25	Correct	1 ms	320 KB	Output is correct
26	Correct	1 ms	212 KB	Output is correct
27	Correct	4 ms	212 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	12 ms	316 KB	Output is correct
32	Correct	8 ms	316 KB	Output is correct
33	Correct	3 ms	212 KB	Output is correct
34	Correct	248 ms	300 KB	Output is correct
35	Correct	7 ms	212 KB	Output is correct
36	Correct	29 ms	300 KB	Output is correct
37	Correct	327 ms	304 KB	Output is correct
38	Correct	775 ms	296 KB	Output is correct
39	Correct	7 ms	316 KB	Output is correct
40	Correct	982 ms	296 KB	Output is correct
41	Correct	803 ms	340 KB	Output is correct
42	Correct	1160 ms	304 KB	Output is correct
43	Correct	1240 ms	296 KB	Output is correct
44	Correct	85 ms	300 KB	Output is correct
45	Correct	1624 ms	304 KB	Output is correct

Subtask #4
0 / 43.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	320 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	2 ms	212 KB	Output is correct
22	Correct	3 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	2 ms	212 KB	Output is correct
25	Correct	1 ms	320 KB	Output is correct
26	Correct	1 ms	212 KB	Output is correct
27	Correct	4 ms	212 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	12 ms	316 KB	Output is correct
32	Correct	8 ms	316 KB	Output is correct
33	Correct	3 ms	212 KB	Output is correct
34	Correct	248 ms	300 KB	Output is correct
35	Correct	7 ms	212 KB	Output is correct
36	Correct	29 ms	300 KB	Output is correct
37	Correct	327 ms	304 KB	Output is correct
38	Correct	775 ms	296 KB	Output is correct
39	Correct	7 ms	316 KB	Output is correct
40	Correct	982 ms	296 KB	Output is correct
41	Correct	803 ms	340 KB	Output is correct
42	Correct	1160 ms	304 KB	Output is correct
43	Correct	1240 ms	296 KB	Output is correct
44	Correct	85 ms	300 KB	Output is correct
45	Correct	1624 ms	304 KB	Output is correct
46	Correct	0 ms	212 KB	Output is correct
47	Correct	0 ms	212 KB	Output is correct
48	Correct	1 ms	316 KB	Output is correct
49	Incorrect	1 ms	212 KB	Output isn't correct
50	Halted	0 ms	0 KB	-

Subtask #5
0 / 27.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	1 ms	212 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	320 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Correct	1 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	2 ms	212 KB	Output is correct
22	Correct	3 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	2 ms	212 KB	Output is correct
25	Correct	1 ms	320 KB	Output is correct
26	Correct	1 ms	212 KB	Output is correct
27	Correct	4 ms	212 KB	Output is correct
28	Correct	1 ms	212 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	12 ms	316 KB	Output is correct
32	Correct	8 ms	316 KB	Output is correct
33	Correct	3 ms	212 KB	Output is correct
34	Correct	248 ms	300 KB	Output is correct
35	Correct	7 ms	212 KB	Output is correct
36	Correct	29 ms	300 KB	Output is correct
37	Correct	327 ms	304 KB	Output is correct
38	Correct	775 ms	296 KB	Output is correct
39	Correct	7 ms	316 KB	Output is correct
40	Correct	982 ms	296 KB	Output is correct
41	Correct	803 ms	340 KB	Output is correct
42	Correct	1160 ms	304 KB	Output is correct
43	Correct	1240 ms	296 KB	Output is correct
44	Correct	85 ms	300 KB	Output is correct
45	Correct	1624 ms	304 KB	Output is correct
46	Correct	0 ms	212 KB	Output is correct
47	Correct	0 ms	212 KB	Output is correct
48	Correct	1 ms	316 KB	Output is correct
49	Incorrect	1 ms	212 KB	Output isn't correct
50	Halted	0 ms	0 KB	-

Submission #814136

Compilation message

Subtask #1 4.0 / 4.0

Subtask #2 8.0 / 8.0

Subtask #3 18.0 / 18.0

Subtask #4 0 / 43.0

Subtask #5 0 / 27.0

Subtask #1
4.0 / 4.0

Subtask #2
8.0 / 8.0

Subtask #3
18.0 / 18.0

Subtask #4
0 / 43.0

Subtask #5
0 / 27.0