Submission #121536

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
121536	2019-06-26T17:52:01 Z	pamaj	Palindrome-Free Numbers (BOI13_numbers)	C++14	31.6667 / 100	1000 ms	396 KB

numbers

#include <bits/stdc++.h>
using namespace std;

bool check(string a)
{
	int n = a.size();
	for(int i = 0; i < n - 1; i++)
	{
		for(int p = i + 1; p < n; p++)
		{
			bool ok = true;
			for(int j = 0; j <= (p - i)/2; j++)
			{
				//cout << i << " " << p << " " << j <<"\n";
				if(a[i + j] != a[p - j]) ok = false;
			}
			if(ok) return true;
		}
	}

	return false;
}

int main()
{
	long long a, b;

	cin >> a >> b;

	int cont = 0;

	for(long long i = a; i <= b; i++)
	{
		string x = to_string(i);
		bool t = check(x);

		//cout << x << " " << t << "\n";
		if(t) cont++;
	}

	cout << b - a + 1 - cont << "\n";
}

Subtask #1

25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	384 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	65 ms	256 KB	Output is correct
4	Correct	14 ms	256 KB	Output is correct
5	Correct	2 ms	256 KB	Output is correct
6	Correct	2 ms	384 KB	Output is correct
7	Correct	2 ms	128 KB	Output is correct
8	Correct	2 ms	256 KB	Output is correct
9	Correct	2 ms	384 KB	Output is correct
10	Correct	2 ms	384 KB	Output is correct
11	Correct	2 ms	384 KB	Output is correct
12	Correct	2 ms	384 KB	Output is correct
13	Correct	3 ms	384 KB	Output is correct
14	Correct	14 ms	384 KB	Output is correct
15	Correct	14 ms	256 KB	Output is correct
16	Correct	3 ms	256 KB	Output is correct
17	Correct	7 ms	256 KB	Output is correct
18	Correct	2 ms	384 KB	Output is correct
19	Correct	66 ms	376 KB	Output is correct
20	Correct	14 ms	256 KB	Output is correct

Subtask #2

6.66666666667 / 75.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	1063 ms	384 KB	Time limit exceeded
2	Execution timed out	1079 ms	384 KB	Time limit exceeded
3	Execution timed out	1074 ms	384 KB	Time limit exceeded
4	Execution timed out	1081 ms	384 KB	Time limit exceeded
5	Execution timed out	1064 ms	256 KB	Time limit exceeded
6	Execution timed out	1079 ms	256 KB	Time limit exceeded
7	Correct	477 ms	364 KB	Output is correct
8	Correct	344 ms	376 KB	Output is correct
9	Correct	636 ms	384 KB	Output is correct
10	Correct	874 ms	356 KB	Output is correct
11	Execution timed out	1076 ms	256 KB	Time limit exceeded
12	Execution timed out	1074 ms	256 KB	Time limit exceeded
13	Execution timed out	1066 ms	256 KB	Time limit exceeded
14	Execution timed out	1079 ms	256 KB	Time limit exceeded
15	Execution timed out	1085 ms	256 KB	Time limit exceeded
16	Execution timed out	1073 ms	256 KB	Time limit exceeded
17	Execution timed out	1076 ms	384 KB	Time limit exceeded
18	Execution timed out	1078 ms	356 KB	Time limit exceeded
19	Execution timed out	1077 ms	256 KB	Time limit exceeded
20	Execution timed out	1083 ms	384 KB	Time limit exceeded
21	Execution timed out	1079 ms	128 KB	Time limit exceeded
22	Execution timed out	1089 ms	384 KB	Time limit exceeded
23	Execution timed out	1082 ms	256 KB	Time limit exceeded
24	Execution timed out	1063 ms	256 KB	Time limit exceeded
25	Execution timed out	1080 ms	256 KB	Time limit exceeded
26	Execution timed out	1082 ms	256 KB	Time limit exceeded
27	Execution timed out	1081 ms	256 KB	Time limit exceeded
28	Execution timed out	1056 ms	256 KB	Time limit exceeded
29	Execution timed out	1087 ms	256 KB	Time limit exceeded
30	Execution timed out	1079 ms	256 KB	Time limit exceeded
31	Execution timed out	1084 ms	256 KB	Time limit exceeded
32	Execution timed out	1086 ms	256 KB	Time limit exceeded
33	Execution timed out	1088 ms	256 KB	Time limit exceeded
34	Execution timed out	1076 ms	256 KB	Time limit exceeded
35	Execution timed out	1072 ms	256 KB	Time limit exceeded
36	Execution timed out	1079 ms	256 KB	Time limit exceeded
37	Execution timed out	1070 ms	256 KB	Time limit exceeded
38	Execution timed out	1082 ms	256 KB	Time limit exceeded
39	Execution timed out	1082 ms	256 KB	Time limit exceeded
40	Execution timed out	1085 ms	256 KB	Time limit exceeded
41	Execution timed out	1079 ms	256 KB	Time limit exceeded
42	Execution timed out	1082 ms	256 KB	Time limit exceeded
43	Execution timed out	1080 ms	396 KB	Time limit exceeded
44	Execution timed out	1077 ms	256 KB	Time limit exceeded
45	Execution timed out	1071 ms	384 KB	Time limit exceeded