oj.uz

Submission #500739

# Submission time Handle Problem Language Result Execution time Memory
500739 2022-01-01T04:53:09 Z MurotY Palindrome-Free Numbers (BOI13_numbers) C++14
27.5 / 100
 1000 ms 292 KB 
#include <bits/stdc++.h>
#define ios ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define ff first
#define ll long long
#define ss second
using namespace std;
const int N=1e6+1;

bool ok(ll n){
	string s;
	while (n){
		s=char(48+(n % 10))+s;
		n/=10;
	}
	
	for (int i=0;i<s.size();i++){
		for (int j=i+1;j<s.size();j++){
			int q=j;
			bool ok=1;
			for (int j1=i;j1<=j;j1++){
				if (s[j1] != s[q]){
					ok=0;
					break;
				}
				q--;
			}
			if (ok) return 1;
		}
	}
	return 0;
}
int main()
{
	ll a, b, ans=0;
	
	cin >> a >> b;
	
	for (int i=a;i<=b;i++){
		if (!ok(i)) ans++;
	}
	cout << ans;
}

Compilation message

numbers.cpp: In function 'bool ok(long long int)':
numbers.cpp:16:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |  for (int i=0;i<s.size();i++){
      |               ~^~~~~~~~~
numbers.cpp:17:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |   for (int j=i+1;j<s.size();j++){
      |                  ~^~~~~~~~~

Subtask #1
22.5 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 292 KB Output is correct
3 Execution timed out 1082 ms 204 KB Time limit exceeded
4 Correct 14 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 292 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 14 ms 288 KB Output is correct
15 Correct 15 ms 292 KB Output is correct
16 Correct 1 ms 288 KB Output is correct
17 Correct 8 ms 288 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Execution timed out 1067 ms 204 KB Time limit exceeded
20 Correct 15 ms 204 KB Output is correct

Subtask #2
5.0 / 75.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1077 ms 204 KB Time limit exceeded
2 Execution timed out 1071 ms 204 KB Time limit exceeded
3 Execution timed out 1075 ms 204 KB Time limit exceeded
4 Execution timed out 1062 ms 204 KB Time limit exceeded
5 Execution timed out 1084 ms 204 KB Time limit exceeded
6 Execution timed out 1078 ms 204 KB Time limit exceeded
7 Correct 622 ms 272 KB Output is correct
8 Correct 470 ms 268 KB Output is correct
9 Correct 846 ms 272 KB Output is correct
10 Execution timed out 1079 ms 204 KB Time limit exceeded
11 Execution timed out 1072 ms 204 KB Time limit exceeded
12 Execution timed out 1072 ms 204 KB Time limit exceeded
13 Execution timed out 1074 ms 204 KB Time limit exceeded
14 Execution timed out 1089 ms 204 KB Time limit exceeded
15 Execution timed out 1073 ms 204 KB Time limit exceeded
16 Execution timed out 1081 ms 204 KB Time limit exceeded
17 Execution timed out 1089 ms 204 KB Time limit exceeded
18 Execution timed out 1087 ms 204 KB Time limit exceeded
19 Execution timed out 1083 ms 204 KB Time limit exceeded
20 Execution timed out 1084 ms 204 KB Time limit exceeded
21 Execution timed out 1079 ms 204 KB Time limit exceeded
22 Execution timed out 1092 ms 204 KB Time limit exceeded
23 Execution timed out 1086 ms 204 KB Time limit exceeded
24 Execution timed out 1084 ms 204 KB Time limit exceeded
25 Execution timed out 1085 ms 204 KB Time limit exceeded
26 Execution timed out 1090 ms 204 KB Time limit exceeded
27 Execution timed out 1089 ms 204 KB Time limit exceeded
28 Execution timed out 1093 ms 204 KB Time limit exceeded
29 Execution timed out 1081 ms 204 KB Time limit exceeded
30 Execution timed out 1089 ms 204 KB Time limit exceeded
31 Execution timed out 1053 ms 204 KB Time limit exceeded
32 Execution timed out 1083 ms 204 KB Time limit exceeded
33 Execution timed out 1092 ms 204 KB Time limit exceeded
34 Execution timed out 1090 ms 204 KB Time limit exceeded
35 Execution timed out 1068 ms 204 KB Time limit exceeded
36 Execution timed out 1086 ms 204 KB Time limit exceeded
37 Execution timed out 1093 ms 204 KB Time limit exceeded
38 Execution timed out 1053 ms 204 KB Time limit exceeded
39 Execution timed out 1084 ms 204 KB Time limit exceeded
40 Execution timed out 1088 ms 204 KB Time limit exceeded
41 Execution timed out 1087 ms 204 KB Time limit exceeded
42 Execution timed out 1063 ms 204 KB Time limit exceeded
43 Execution timed out 1092 ms 204 KB Time limit exceeded
44 Execution timed out 1090 ms 204 KB Time limit exceeded
45 Execution timed out 1090 ms 204 KB Time limit exceeded