#include <bits/stdc++.h>
#define GOOD_LUCK ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define int long long
#define itn int
#define Int int
#define INF -1000000
#define MOD 1000000007
#define endl "\n"
#define ff first
#define ss second
#define all(v) v.begin(), v.end()
using namespace std;
int temp;
bool check(int n) {
string a = to_string(n);
string c = a;
int x = a.size();
string b = a;
reverse(b.begin(), b.end());
string d = b;
if (a == b) return false;
for (int i=1; i < x-1; i++) {
a = a.substr(1);
b = b.substr(0, x - i);
if (a == b) return false;
}
a = c;
b = d;
for (int i=1; i < x-1; i++) {
d = d.substr(1);
c = c.substr(0, x - i);
if (c == d) return false;
}
return true;
}
signed main() {
GOOD_LUCK
int t;
t = 1;
// cin >> t;
while (t--) {
int a, b;
cin >> a >> b;
int cnt=0;
for (int i=a; i <= b; i++) {
if (check(i)) cnt++;
}
cout << cnt;
}
return 0;
}
// Problem C
// by Ekber_Ekber
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
| 2 |
Incorrect |
1 ms |
364 KB |
Output isn't correct |
| 3 |
Incorrect |
80 ms |
336 KB |
Output isn't correct |
| 4 |
Incorrect |
16 ms |
336 KB |
Output isn't correct |
| 5 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
| 6 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
| 7 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
| 8 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
| 9 |
Correct |
1 ms |
336 KB |
Output is correct |
| 10 |
Correct |
1 ms |
380 KB |
Output is correct |
| 11 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
| 12 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
| 13 |
Correct |
1 ms |
504 KB |
Output is correct |
| 14 |
Incorrect |
16 ms |
460 KB |
Output isn't correct |
| 15 |
Incorrect |
17 ms |
336 KB |
Output isn't correct |
| 16 |
Incorrect |
2 ms |
504 KB |
Output isn't correct |
| 17 |
Incorrect |
12 ms |
460 KB |
Output isn't correct |
| 18 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
| 19 |
Incorrect |
89 ms |
436 KB |
Output isn't correct |
| 20 |
Incorrect |
25 ms |
336 KB |
Output isn't correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
1064 ms |
336 KB |
Time limit exceeded |
| 2 |
Execution timed out |
1031 ms |
336 KB |
Time limit exceeded |
| 3 |
Execution timed out |
1082 ms |
336 KB |
Time limit exceeded |
| 4 |
Execution timed out |
1079 ms |
336 KB |
Time limit exceeded |
| 5 |
Execution timed out |
1083 ms |
336 KB |
Time limit exceeded |
| 6 |
Execution timed out |
1016 ms |
336 KB |
Time limit exceeded |
| 7 |
Execution timed out |
1024 ms |
436 KB |
Time limit exceeded |
| 8 |
Incorrect |
694 ms |
440 KB |
Output isn't correct |
| 9 |
Execution timed out |
1034 ms |
336 KB |
Time limit exceeded |
| 10 |
Execution timed out |
1073 ms |
508 KB |
Time limit exceeded |
| 11 |
Execution timed out |
1034 ms |
336 KB |
Time limit exceeded |
| 12 |
Execution timed out |
1043 ms |
336 KB |
Time limit exceeded |
| 13 |
Execution timed out |
1046 ms |
336 KB |
Time limit exceeded |
| 14 |
Execution timed out |
1063 ms |
504 KB |
Time limit exceeded |
| 15 |
Execution timed out |
1083 ms |
336 KB |
Time limit exceeded |
| 16 |
Execution timed out |
1044 ms |
336 KB |
Time limit exceeded |
| 17 |
Execution timed out |
1060 ms |
336 KB |
Time limit exceeded |
| 18 |
Execution timed out |
1038 ms |
336 KB |
Time limit exceeded |
| 19 |
Execution timed out |
1074 ms |
336 KB |
Time limit exceeded |
| 20 |
Execution timed out |
1042 ms |
336 KB |
Time limit exceeded |
| 21 |
Execution timed out |
1020 ms |
336 KB |
Time limit exceeded |
| 22 |
Execution timed out |
1043 ms |
336 KB |
Time limit exceeded |
| 23 |
Execution timed out |
1046 ms |
336 KB |
Time limit exceeded |
| 24 |
Execution timed out |
1049 ms |
336 KB |
Time limit exceeded |
| 25 |
Execution timed out |
1068 ms |
336 KB |
Time limit exceeded |
| 26 |
Execution timed out |
1067 ms |
336 KB |
Time limit exceeded |
| 27 |
Execution timed out |
1054 ms |
336 KB |
Time limit exceeded |
| 28 |
Execution timed out |
1058 ms |
336 KB |
Time limit exceeded |
| 29 |
Execution timed out |
1056 ms |
336 KB |
Time limit exceeded |
| 30 |
Execution timed out |
1035 ms |
336 KB |
Time limit exceeded |
| 31 |
Execution timed out |
1043 ms |
336 KB |
Time limit exceeded |
| 32 |
Execution timed out |
1051 ms |
336 KB |
Time limit exceeded |
| 33 |
Execution timed out |
1052 ms |
336 KB |
Time limit exceeded |
| 34 |
Execution timed out |
1046 ms |
336 KB |
Time limit exceeded |
| 35 |
Execution timed out |
1053 ms |
336 KB |
Time limit exceeded |
| 36 |
Execution timed out |
1049 ms |
336 KB |
Time limit exceeded |
| 37 |
Execution timed out |
1055 ms |
336 KB |
Time limit exceeded |
| 38 |
Execution timed out |
1049 ms |
336 KB |
Time limit exceeded |
| 39 |
Execution timed out |
1055 ms |
336 KB |
Time limit exceeded |
| 40 |
Execution timed out |
1036 ms |
336 KB |
Time limit exceeded |
| 41 |
Execution timed out |
1057 ms |
336 KB |
Time limit exceeded |
| 42 |
Execution timed out |
1052 ms |
336 KB |
Time limit exceeded |
| 43 |
Execution timed out |
1063 ms |
336 KB |
Time limit exceeded |
| 44 |
Execution timed out |
1029 ms |
336 KB |
Time limit exceeded |
| 45 |
Execution timed out |
1072 ms |
336 KB |
Time limit exceeded |
