Submission #21848

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
21848	2017-04-26T10:58:19 Z	iletavcioski	Three Friends (BOI14_friends)	C++	100 / 100	89 ms	13144 KB

friends

#include<iostream>
#include<vector>
#include<queue>
#include<string>
#include<set>
#include<algorithm>
using namespace std;
int main()
{
	int n;
	cin>>n;
	if(n%2==0||n==1)
	{
		cout<<"NOT POSSIBLE"<<endl;
		return 0;
	}
	string ss;
	cin>>ss;
	int j=ss.size()/2;
	set<string> s;
	int i=0;
	string s1="";
	string s2;
	while(i<ss.size()/2&&j<ss.size())
	{
		if(ss[i]==ss[j])
		{
			s1+=ss[i];
			j++,i++;
		}
		else
			j++;
		if(s1.size()==ss.size()/2)
		{
			s.insert(s1);
			break;
		}

	}
	 i=ss.size()-1;
	 j=ss.size()/2;
	while(i>=0&&j>=0)
	{
		if(ss[i]==ss[j])
		{
			s2+=ss[i];
			j--,i--;
		}
		else
			j--;
		if(s2.size()==ss.size()/2)
		{
			reverse(s2.begin(),s2.end());
			s.insert(s2);
			break;
		}

	}
	if(s.size()==1)
		cout<<*s.begin()<<endl;
	else if(s.size()==0)
		cout<<"NOT POSSIBLE"<<endl;
	else
		cout<<"NOT UNIQUE"<<endl;
    return 0;
}

Compilation message

friends.cpp: In function 'int main()':
friends.cpp:24:9: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  while(i<ss.size()/2&&j<ss.size())
         ^
friends.cpp:24:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  while(i<ss.size()/2&&j<ss.size())
                        ^

Subtask #1
35.0 / 35.0

#	Verdict	Memory	Grader output
1	Correct	2024 KB	Output is correct
2	Correct	2024 KB	Output is correct
3	Correct	2024 KB	Output is correct
4	Correct	2024 KB	Output is correct
5	Correct	2024 KB	Output is correct
6	Correct	2024 KB	Output is correct
7	Correct	2024 KB	Output is correct
8	Correct	2024 KB	Output is correct
9	Correct	2024 KB	Output is correct
10	Correct	2024 KB	Output is correct
11	Correct	2024 KB	Output is correct
12	Correct	2024 KB	Output is correct
13	Correct	2024 KB	Output is correct
14	Correct	2024 KB	Output is correct
15	Correct	2024 KB	Output is correct
16	Correct	2024 KB	Output is correct
17	Correct	2024 KB	Output is correct
18	Correct	2024 KB	Output is correct
19	Correct	2024 KB	Output is correct
20	Correct	2024 KB	Output is correct
21	Correct	2024 KB	Output is correct
22	Correct	2024 KB	Output is correct
23	Correct	2024 KB	Output is correct
24	Correct	2024 KB	Output is correct
25	Correct	2024 KB	Output is correct
26	Correct	2024 KB	Output is correct
27	Correct	2024 KB	Output is correct
28	Correct	2024 KB	Output is correct
29	Correct	2024 KB	Output is correct
30	Correct	2024 KB	Output is correct
31	Correct	2024 KB	Output is correct
32	Correct	2024 KB	Output is correct
33	Correct	2024 KB	Output is correct
34	Correct	2024 KB	Output is correct
35	Correct	2024 KB	Output is correct
36	Correct	2024 KB	Output is correct
37	Correct	2024 KB	Output is correct
38	Correct	2024 KB	Output is correct
39	Correct	2024 KB	Output is correct
40	Correct	2024 KB	Output is correct
41	Correct	2024 KB	Output is correct
42	Correct	2024 KB	Output is correct
43	Correct	2024 KB	Output is correct
44	Correct	2024 KB	Output is correct
45	Correct	2024 KB	Output is correct
46	Correct	2024 KB	Output is correct
47	Correct	2024 KB	Output is correct
48	Correct	2024 KB	Output is correct
49	Correct	2024 KB	Output is correct
50	Correct	2024 KB	Output is correct
51	Correct	2024 KB	Output is correct
52	Correct	2024 KB	Output is correct
53	Correct	2024 KB	Output is correct
54	Correct	2024 KB	Output is correct

Subtask #2
65.0 / 65.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	89 ms	11720 KB	Output is correct
2	Correct	69 ms	10024 KB	Output is correct
3	Correct	79 ms	9904 KB	Output is correct
4	Correct	83 ms	10264 KB	Output is correct
5	Correct	86 ms	10264 KB	Output is correct
6	Correct	0 ms	2024 KB	Output is correct
7	Correct	73 ms	13144 KB	Output is correct
8	Correct	69 ms	7804 KB	Output is correct
9	Correct	66 ms	7804 KB	Output is correct
10	Correct	73 ms	6904 KB	Output is correct
11	Correct	66 ms	6904 KB	Output is correct
12	Correct	0 ms	2024 KB	Output is correct
13	Correct	0 ms	2024 KB	Output is correct
14	Correct	0 ms	2024 KB	Output is correct
15	Correct	0 ms	2024 KB	Output is correct
16	Correct	0 ms	2024 KB	Output is correct
17	Correct	0 ms	2024 KB	Output is correct
18	Correct	0 ms	2024 KB	Output is correct
19	Correct	0 ms	2024 KB	Output is correct
20	Correct	0 ms	2024 KB	Output is correct
21	Correct	0 ms	2024 KB	Output is correct
22	Correct	0 ms	2024 KB	Output is correct
23	Correct	0 ms	2024 KB	Output is correct
24	Correct	0 ms	2024 KB	Output is correct
25	Correct	0 ms	2024 KB	Output is correct
26	Correct	0 ms	2024 KB	Output is correct
27	Correct	0 ms	2024 KB	Output is correct
28	Correct	0 ms	2024 KB	Output is correct
29	Correct	0 ms	2024 KB	Output is correct
30	Correct	0 ms	2024 KB	Output is correct
31	Correct	0 ms	2024 KB	Output is correct
32	Correct	0 ms	2024 KB	Output is correct
33	Correct	0 ms	2024 KB	Output is correct
34	Correct	0 ms	2024 KB	Output is correct
35	Correct	0 ms	2024 KB	Output is correct
36	Correct	0 ms	2024 KB	Output is correct
37	Correct	0 ms	2024 KB	Output is correct
38	Correct	0 ms	2024 KB	Output is correct
39	Correct	0 ms	2024 KB	Output is correct
40	Correct	0 ms	2024 KB	Output is correct
41	Correct	0 ms	2024 KB	Output is correct
42	Correct	0 ms	2024 KB	Output is correct
43	Correct	0 ms	2024 KB	Output is correct
44	Correct	0 ms	2024 KB	Output is correct
45	Correct	0 ms	2024 KB	Output is correct
46	Correct	0 ms	2024 KB	Output is correct
47	Correct	0 ms	2024 KB	Output is correct
48	Correct	0 ms	2024 KB	Output is correct
49	Correct	0 ms	2024 KB	Output is correct
50	Correct	0 ms	2024 KB	Output is correct
51	Correct	0 ms	2024 KB	Output is correct
52	Correct	0 ms	2024 KB	Output is correct
53	Correct	0 ms	2024 KB	Output is correct
54	Correct	0 ms	2024 KB	Output is correct

Submission #21848

Compilation message

Subtask #1 35.0 / 35.0

Subtask #2 65.0 / 65.0

Subtask #1
35.0 / 35.0

Subtask #2
65.0 / 65.0