답안 #520692

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
520692	2022-01-30T20:43:05 Z	sidon	세 명의 친구들 (BOI14_friends)	C++17	100 / 100	13 ms	6168 KB

friends

#include <bits/stdc++.h>
using namespace std;
 
string s;
int n;
 
bool match(int i, int j, int p = 0) {
	for(int k = 0; k <= n; k++)
		p += p < n && s[i+p] == s[j+k];
 
	return p == n;
}
 
int main() {
	ios::sync_with_stdio(0), cin.tie(0);
	cin >> n >> s;
 
	if(!(n & 1))
		return !(cout << "NOT POSSIBLE");
	n /= 2;
 
	bool L = match(0, n), R = match(n+1, 0);
 
	if(!L && !R) return !(cout << "NOT POSSIBLE");
	if(L && R && s.substr(0, n) != s.substr(n+1, n)) cout << "NOT UNIQUE";
	else cout << s.substr(R*(n+1), n);
}

Subtask #1

35.0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	308 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	312 KB	Output is correct
14	Correct	0 ms	308 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	0 ms	204 KB	Output is correct
21	Correct	0 ms	204 KB	Output is correct
22	Correct	0 ms	204 KB	Output is correct
23	Correct	0 ms	204 KB	Output is correct
24	Correct	0 ms	204 KB	Output is correct
25	Correct	0 ms	308 KB	Output is correct
26	Correct	0 ms	308 KB	Output is correct
27	Correct	1 ms	204 KB	Output is correct
28	Correct	0 ms	308 KB	Output is correct
29	Correct	0 ms	204 KB	Output is correct
30	Correct	0 ms	204 KB	Output is correct
31	Correct	0 ms	204 KB	Output is correct
32	Correct	0 ms	204 KB	Output is correct
33	Correct	0 ms	204 KB	Output is correct
34	Correct	1 ms	204 KB	Output is correct
35	Correct	0 ms	204 KB	Output is correct
36	Correct	0 ms	308 KB	Output is correct
37	Correct	0 ms	204 KB	Output is correct
38	Correct	0 ms	204 KB	Output is correct
39	Correct	0 ms	204 KB	Output is correct
40	Correct	0 ms	204 KB	Output is correct
41	Correct	0 ms	204 KB	Output is correct
42	Correct	0 ms	204 KB	Output is correct
43	Correct	0 ms	204 KB	Output is correct
44	Correct	0 ms	204 KB	Output is correct
45	Correct	0 ms	204 KB	Output is correct
46	Correct	1 ms	308 KB	Output is correct
47	Correct	0 ms	204 KB	Output is correct
48	Correct	0 ms	204 KB	Output is correct
49	Correct	0 ms	312 KB	Output is correct
50	Correct	1 ms	204 KB	Output is correct
51	Correct	1 ms	204 KB	Output is correct
52	Correct	1 ms	204 KB	Output is correct
53	Correct	1 ms	204 KB	Output is correct
54	Correct	1 ms	204 KB	Output is correct

Subtask #2

65.0 / 65.0

#	결과	실행 시간	메모리	Grader output
1	Correct	12 ms	6164 KB	Output is correct
2	Correct	12 ms	6104 KB	Output is correct
3	Correct	13 ms	6152 KB	Output is correct
4	Correct	13 ms	6140 KB	Output is correct
5	Correct	13 ms	6168 KB	Output is correct
6	Correct	4 ms	4292 KB	Output is correct
7	Correct	13 ms	6152 KB	Output is correct
8	Correct	11 ms	5516 KB	Output is correct
9	Correct	11 ms	5608 KB	Output is correct
10	Correct	12 ms	5520 KB	Output is correct
11	Correct	10 ms	3680 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	0 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	0 ms	204 KB	Output is correct
21	Correct	1 ms	316 KB	Output is correct
22	Correct	0 ms	204 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	0 ms	204 KB	Output is correct
25	Correct	0 ms	312 KB	Output is correct
26	Correct	0 ms	204 KB	Output is correct
27	Correct	0 ms	204 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	1 ms	204 KB	Output is correct
30	Correct	1 ms	204 KB	Output is correct
31	Correct	0 ms	204 KB	Output is correct
32	Correct	0 ms	204 KB	Output is correct
33	Correct	0 ms	204 KB	Output is correct
34	Correct	0 ms	204 KB	Output is correct
35	Correct	0 ms	204 KB	Output is correct
36	Correct	0 ms	204 KB	Output is correct
37	Correct	0 ms	204 KB	Output is correct
38	Correct	0 ms	204 KB	Output is correct
39	Correct	0 ms	204 KB	Output is correct
40	Correct	0 ms	204 KB	Output is correct
41	Correct	1 ms	204 KB	Output is correct
42	Correct	0 ms	204 KB	Output is correct
43	Correct	0 ms	204 KB	Output is correct
44	Correct	0 ms	204 KB	Output is correct
45	Correct	1 ms	312 KB	Output is correct
46	Correct	1 ms	312 KB	Output is correct
47	Correct	0 ms	204 KB	Output is correct
48	Correct	0 ms	204 KB	Output is correct
49	Correct	1 ms	204 KB	Output is correct
50	Correct	0 ms	308 KB	Output is correct
51	Correct	1 ms	204 KB	Output is correct
52	Correct	0 ms	204 KB	Output is correct
53	Correct	0 ms	312 KB	Output is correct
54	Correct	1 ms	204 KB	Output is correct