Submission #349404

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
349404	2021-01-17T14:28:52 Z	Rainbowbunny	Three Friends (BOI14_friends)	C++17	100 / 100	65 ms	9196 KB

friends

#include <iostream>
#include <vector>

int n, pt;
bool ok1, ok2;
std::string s, t1, t2;

int main()
{
	std::cin >> n;
	if(n % 2 == 0)
	{
		std::cout << "NOT POSSIBLE";
		return 0;
	}
	std::cin >> s;
	for(int i = 0; i < n / 2; i++)
	{
		t1.push_back(s[i]);
	}
	for(int i = n / 2 + 1; i < n; i++)
	{
		t2.push_back(s[i]);
	}
	pt = 0;
	for(int i = n / 2; i < n; i++)
	{
		if(pt != t1.size() and s[i] == t1[pt])
		{
			pt++;
		}
	}
	if(pt == t1.size())
	{
		ok1 = true;
	}
	pt = 0;
	for(int i = 0; i <= n / 2; i++)
	{
		if(pt != t2.size() and s[i] == t2[pt])
		{
			pt++;
		}
	}
	if(pt == t2.size())
	{
		ok2 = true;
	}
	if(ok1 and ok2 and t1 != t2)
	{
		std::cout << "NOT UNIQUE";
	}
	else if(ok1)
	{
		std::cout << t1;
	}
	else if(ok2)
	{
		std::cout << t2;
	}
	else
	{
		std::cout << "NOT POSSIBLE";
	}
}

Compilation message

friends.cpp: In function 'int main()':
friends.cpp:28:9: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |   if(pt != t1.size() and s[i] == t1[pt])
      |      ~~~^~~~~~~~~~~~
friends.cpp:33:8: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |  if(pt == t1.size())
      |     ~~~^~~~~~~~~~~~
friends.cpp:40:9: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |   if(pt != t2.size() and s[i] == t2[pt])
      |      ~~~^~~~~~~~~~~~
friends.cpp:45:8: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |  if(pt == t2.size())
      |     ~~~^~~~~~~~~~~~

Subtask #1
35.0 / 35.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	1 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	0 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	364 KB	Output is correct
23	Correct	0 ms	364 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	364 KB	Output is correct
27	Correct	1 ms	384 KB	Output is correct
28	Correct	1 ms	364 KB	Output is correct
29	Correct	1 ms	364 KB	Output is correct
30	Correct	1 ms	364 KB	Output is correct
31	Correct	1 ms	364 KB	Output is correct
32	Correct	1 ms	364 KB	Output is correct
33	Correct	1 ms	364 KB	Output is correct
34	Correct	1 ms	364 KB	Output is correct
35	Correct	1 ms	268 KB	Output is correct
36	Correct	1 ms	364 KB	Output is correct
37	Correct	1 ms	384 KB	Output is correct
38	Correct	1 ms	364 KB	Output is correct
39	Correct	1 ms	364 KB	Output is correct
40	Correct	1 ms	364 KB	Output is correct
41	Correct	1 ms	364 KB	Output is correct
42	Correct	1 ms	364 KB	Output is correct
43	Correct	1 ms	364 KB	Output is correct
44	Correct	1 ms	364 KB	Output is correct
45	Correct	1 ms	364 KB	Output is correct
46	Correct	1 ms	364 KB	Output is correct
47	Correct	1 ms	364 KB	Output is correct
48	Correct	1 ms	364 KB	Output is correct
49	Correct	1 ms	364 KB	Output is correct
50	Correct	1 ms	364 KB	Output is correct
51	Correct	1 ms	364 KB	Output is correct
52	Correct	1 ms	364 KB	Output is correct
53	Correct	1 ms	364 KB	Output is correct
54	Correct	1 ms	364 KB	Output is correct

Subtask #2
65.0 / 65.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	65 ms	9196 KB	Output is correct
2	Correct	63 ms	9176 KB	Output is correct
3	Correct	65 ms	9104 KB	Output is correct
4	Correct	64 ms	9180 KB	Output is correct
5	Correct	63 ms	9176 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	64 ms	9176 KB	Output is correct
8	Correct	55 ms	6620 KB	Output is correct
9	Correct	56 ms	7516 KB	Output is correct
10	Correct	56 ms	7536 KB	Output is correct
11	Correct	53 ms	6252 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	0 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	1 ms	384 KB	Output is correct
28	Correct	1 ms	364 KB	Output is correct
29	Correct	1 ms	384 KB	Output is correct
30	Correct	1 ms	364 KB	Output is correct
31	Correct	1 ms	364 KB	Output is correct
32	Correct	1 ms	364 KB	Output is correct
33	Correct	1 ms	364 KB	Output is correct
34	Correct	1 ms	364 KB	Output is correct
35	Correct	1 ms	364 KB	Output is correct
36	Correct	1 ms	364 KB	Output is correct
37	Correct	1 ms	364 KB	Output is correct
38	Correct	0 ms	364 KB	Output is correct
39	Correct	1 ms	364 KB	Output is correct
40	Correct	1 ms	364 KB	Output is correct
41	Correct	1 ms	364 KB	Output is correct
42	Correct	1 ms	364 KB	Output is correct
43	Correct	0 ms	364 KB	Output is correct
44	Correct	1 ms	364 KB	Output is correct
45	Correct	1 ms	364 KB	Output is correct
46	Correct	1 ms	364 KB	Output is correct
47	Correct	1 ms	384 KB	Output is correct
48	Correct	1 ms	364 KB	Output is correct
49	Correct	0 ms	364 KB	Output is correct
50	Correct	1 ms	364 KB	Output is correct
51	Correct	1 ms	364 KB	Output is correct
52	Correct	1 ms	364 KB	Output is correct
53	Correct	1 ms	364 KB	Output is correct
54	Correct	1 ms	364 KB	Output is correct

Submission #349404

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