#include <bits/stdc++.h>
using namespace std;
#define rep(i, a, b) for(ll i = a; i < (b); ++i)
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef pair<ll, ll> pll;
typedef vector<ll> vl;
bool has_palindrome(ll num){
string s = to_string(num);
ll n = s.size();
if (n == 1)
return 0;
if (n == 2){
if (s[0] == s[1])
return 1;
else
return 0;
}
if (s[0] == s[1])
return 1;
ll prev = s[0];
ll prevprev = s[1];
rep(i,2,n){
if (s[i] == prev){
return 1;
}
else
prev = s[i];
if (s[i] == prevprev){
return 1;
}
else
prevprev = s[i-1];
}
return 0;
}
ll calc(ll A, ll B){
ll cnt =0;
rep(i,A,B+1){
//cout << i << " " << has_palindrome(i) << "\n";
if (!has_palindrome(i))
cnt += 1;
}
return cnt;
}
int main(){
cin.tie(0)->sync_with_stdio(0);
ll A, B; cin >> A>> B;
cout << calc(A,B) << "\n";
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
456 KB |
Output is correct |
| 3 |
Correct |
5 ms |
348 KB |
Output is correct |
| 4 |
Correct |
2 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
344 KB |
Output is correct |
| 6 |
Correct |
0 ms |
456 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
0 ms |
348 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 KB |
Output is correct |
| 12 |
Correct |
0 ms |
348 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
2 ms |
348 KB |
Output is correct |
| 15 |
Correct |
2 ms |
348 KB |
Output is correct |
| 16 |
Correct |
1 ms |
344 KB |
Output is correct |
| 17 |
Correct |
1 ms |
348 KB |
Output is correct |
| 18 |
Correct |
0 ms |
348 KB |
Output is correct |
| 19 |
Correct |
5 ms |
348 KB |
Output is correct |
| 20 |
Correct |
2 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
162 ms |
344 KB |
Output is correct |
| 2 |
Execution timed out |
1047 ms |
344 KB |
Time limit exceeded |
| 3 |
Execution timed out |
1063 ms |
348 KB |
Time limit exceeded |
| 4 |
Execution timed out |
1048 ms |
348 KB |
Time limit exceeded |
| 5 |
Execution timed out |
1008 ms |
344 KB |
Time limit exceeded |
| 6 |
Execution timed out |
1036 ms |
348 KB |
Time limit exceeded |
| 7 |
Correct |
61 ms |
344 KB |
Output is correct |
| 8 |
Correct |
45 ms |
348 KB |
Output is correct |
| 9 |
Correct |
84 ms |
600 KB |
Output is correct |
| 10 |
Correct |
108 ms |
596 KB |
Output is correct |
| 11 |
Correct |
167 ms |
436 KB |
Output is correct |
| 12 |
Correct |
819 ms |
432 KB |
Output is correct |
| 13 |
Correct |
174 ms |
432 KB |
Output is correct |
| 14 |
Execution timed out |
1064 ms |
348 KB |
Time limit exceeded |
| 15 |
Execution timed out |
1058 ms |
348 KB |
Time limit exceeded |
| 16 |
Execution timed out |
1054 ms |
348 KB |
Time limit exceeded |
| 17 |
Execution timed out |
1071 ms |
348 KB |
Time limit exceeded |
| 18 |
Execution timed out |
1039 ms |
344 KB |
Time limit exceeded |
| 19 |
Execution timed out |
1069 ms |
348 KB |
Time limit exceeded |
| 20 |
Execution timed out |
1054 ms |
348 KB |
Time limit exceeded |
| 21 |
Execution timed out |
1071 ms |
348 KB |
Time limit exceeded |
| 22 |
Execution timed out |
1059 ms |
348 KB |
Time limit exceeded |
| 23 |
Execution timed out |
1029 ms |
344 KB |
Time limit exceeded |
| 24 |
Execution timed out |
1058 ms |
348 KB |
Time limit exceeded |
| 25 |
Execution timed out |
1051 ms |
348 KB |
Time limit exceeded |
| 26 |
Execution timed out |
1033 ms |
344 KB |
Time limit exceeded |
| 27 |
Execution timed out |
1012 ms |
344 KB |
Time limit exceeded |
| 28 |
Execution timed out |
1066 ms |
348 KB |
Time limit exceeded |
| 29 |
Execution timed out |
1062 ms |
348 KB |
Time limit exceeded |
| 30 |
Execution timed out |
1045 ms |
344 KB |
Time limit exceeded |
| 31 |
Execution timed out |
1063 ms |
348 KB |
Time limit exceeded |
| 32 |
Execution timed out |
1032 ms |
348 KB |
Time limit exceeded |
| 33 |
Execution timed out |
1070 ms |
344 KB |
Time limit exceeded |
| 34 |
Execution timed out |
1078 ms |
348 KB |
Time limit exceeded |
| 35 |
Execution timed out |
1048 ms |
344 KB |
Time limit exceeded |
| 36 |
Execution timed out |
1073 ms |
348 KB |
Time limit exceeded |
| 37 |
Execution timed out |
1063 ms |
348 KB |
Time limit exceeded |
| 38 |
Execution timed out |
1066 ms |
348 KB |
Time limit exceeded |
| 39 |
Execution timed out |
1066 ms |
348 KB |
Time limit exceeded |
| 40 |
Execution timed out |
1012 ms |
344 KB |
Time limit exceeded |
| 41 |
Execution timed out |
1063 ms |
348 KB |
Time limit exceeded |
| 42 |
Execution timed out |
1028 ms |
344 KB |
Time limit exceeded |
| 43 |
Execution timed out |
1042 ms |
344 KB |
Time limit exceeded |
| 44 |
Execution timed out |
1055 ms |
348 KB |
Time limit exceeded |
| 45 |
Execution timed out |
1058 ms |
348 KB |
Time limit exceeded |
