#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define run ios_base::sync_with_stdio(false);cin.tie(0);
#define ll long long
#define pll pair<ll, ll>
#define ull unsigned ll
#define ld double
#define endl "\n"
#define pb push_back
#define fi first
#define se second
#define pi acos(-1)
#define N 100007
#define minimum -9223372036854775807
#define maximum -minimum
#define mod 1000000007
using namespace std;
using namespace __gnu_pbds;
template <class t>
using ordered_set=tree<t, null_type,less_equal<t>, rb_tree_tag,tree_order_statistics_node_update>;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
ll gcd(ll a, ll b)
{
if(b==0)
return a;
return gcd(b, a%b);
}
ll lcm(ll a, ll b)
{
return a/gcd(a, b)*b;
}
bool isprime(ll n)
{
if(n==1)
return 0;
for(ll i=2; i*i<=n; i++)
{
if(n%i==0)
return 0;
}
return 1;
}
ll binpow(ll a, ll b)
{
a%=mod;
ll res=1;
while(b>0)
{
if(b%2==1)
res=(res*a)%mod;
a=(a*a)%mod;
b/=2;
}
return res;
}
int main()
{
run;
ll a, b;
cin>>a>>b;
ll cvb=0;
for(ll i=a; i<=b; i++)
{
string s=to_string(i);
// cout<<s<<" ";
bool bul=1;
for(ll j=0; j<s.length(); j++)
{
for(ll k=j +1; k<s.length(); k++)
{
string x=s.substr(j, k-j+1);
// cout<<x<<endl;
string revx=x;
reverse(revx.begin(), revx.end());
if(revx==x)
bul=0;
}
}
if(bul)
cvb++;
}
cout<<cvb<<endl;
}
// By Xanlar
Compilation message
numbers.cpp: In function 'int main()':
numbers.cpp:77:16: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
77 | for(ll j=0; j<s.length(); j++)
| ~^~~~~~~~~~~
numbers.cpp:79:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
79 | for(ll k=j +1; k<s.length(); k++)
| ~^~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
318 ms |
340 KB |
Output is correct |
4 |
Correct |
17 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
512 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
596 KB |
Output is correct |
9 |
Correct |
1 ms |
508 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
34 ms |
340 KB |
Output is correct |
15 |
Correct |
18 ms |
508 KB |
Output is correct |
16 |
Correct |
2 ms |
508 KB |
Output is correct |
17 |
Correct |
16 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
290 ms |
448 KB |
Output is correct |
20 |
Correct |
18 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
1038 ms |
340 KB |
Time limit exceeded |
2 |
Execution timed out |
1037 ms |
340 KB |
Time limit exceeded |
3 |
Execution timed out |
1056 ms |
340 KB |
Time limit exceeded |
4 |
Execution timed out |
1066 ms |
340 KB |
Time limit exceeded |
5 |
Execution timed out |
1043 ms |
340 KB |
Time limit exceeded |
6 |
Execution timed out |
1038 ms |
340 KB |
Time limit exceeded |
7 |
Execution timed out |
1069 ms |
340 KB |
Time limit exceeded |
8 |
Correct |
847 ms |
456 KB |
Output is correct |
9 |
Execution timed out |
1054 ms |
340 KB |
Time limit exceeded |
10 |
Execution timed out |
1045 ms |
340 KB |
Time limit exceeded |
11 |
Execution timed out |
1044 ms |
340 KB |
Time limit exceeded |
12 |
Execution timed out |
1058 ms |
340 KB |
Time limit exceeded |
13 |
Execution timed out |
1060 ms |
340 KB |
Time limit exceeded |
14 |
Execution timed out |
1049 ms |
340 KB |
Time limit exceeded |
15 |
Execution timed out |
1063 ms |
340 KB |
Time limit exceeded |
16 |
Execution timed out |
1053 ms |
340 KB |
Time limit exceeded |
17 |
Execution timed out |
1057 ms |
340 KB |
Time limit exceeded |
18 |
Execution timed out |
1045 ms |
340 KB |
Time limit exceeded |
19 |
Execution timed out |
1048 ms |
340 KB |
Time limit exceeded |
20 |
Execution timed out |
1029 ms |
340 KB |
Time limit exceeded |
21 |
Execution timed out |
1089 ms |
340 KB |
Time limit exceeded |
22 |
Execution timed out |
1032 ms |
340 KB |
Time limit exceeded |
23 |
Execution timed out |
1053 ms |
340 KB |
Time limit exceeded |
24 |
Execution timed out |
1067 ms |
340 KB |
Time limit exceeded |
25 |
Execution timed out |
1048 ms |
340 KB |
Time limit exceeded |
26 |
Execution timed out |
1038 ms |
340 KB |
Time limit exceeded |
27 |
Execution timed out |
1061 ms |
340 KB |
Time limit exceeded |
28 |
Execution timed out |
1048 ms |
340 KB |
Time limit exceeded |
29 |
Execution timed out |
1064 ms |
340 KB |
Time limit exceeded |
30 |
Execution timed out |
1046 ms |
340 KB |
Time limit exceeded |
31 |
Execution timed out |
1061 ms |
340 KB |
Time limit exceeded |
32 |
Execution timed out |
1057 ms |
340 KB |
Time limit exceeded |
33 |
Execution timed out |
1042 ms |
340 KB |
Time limit exceeded |
34 |
Execution timed out |
1048 ms |
340 KB |
Time limit exceeded |
35 |
Execution timed out |
1082 ms |
340 KB |
Time limit exceeded |
36 |
Execution timed out |
1086 ms |
336 KB |
Time limit exceeded |
37 |
Execution timed out |
1064 ms |
336 KB |
Time limit exceeded |
38 |
Execution timed out |
1053 ms |
336 KB |
Time limit exceeded |
39 |
Execution timed out |
1052 ms |
336 KB |
Time limit exceeded |
40 |
Execution timed out |
1052 ms |
336 KB |
Time limit exceeded |
41 |
Execution timed out |
1059 ms |
336 KB |
Time limit exceeded |
42 |
Execution timed out |
1051 ms |
336 KB |
Time limit exceeded |
43 |
Execution timed out |
1063 ms |
336 KB |
Time limit exceeded |
44 |
Execution timed out |
1080 ms |
336 KB |
Time limit exceeded |
45 |
Execution timed out |
1088 ms |
336 KB |
Time limit exceeded |