#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> ii;
typedef long double ld;
#define lcm(a,b) a*b/__gcd(a,b)
#define INF 1000000000
#define pb push_back
#define fst first
#define snd second
#define fast ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define fore(a, b, c) for(int a=b; a<c; ++a)
#define all(x) x.begin(), x.end()
#define dbg(x) cerr << #x << ": " << x << endl;
#define raya cerr << "=================================" << endl;
const double PI = 3.141592653589793;
const int MOD = 1e9+7;
// 25 points
bool free(string s){
int n = s.size();
for(int i=1; i<n; ++i){
if(s[i] == s[i-1]){
return 0;
}
}
for(int i=1; i+1<n; ++i){
if(s[i-1] == s[i+1]){
return 0;
}
}
return 1;
}
int main(){
ll a, b, ans = 0;
cin >> a >> b;
for(ll i=a; i<=b; ++i){
ans += free(to_string(i));
}
cout << ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
300 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
7 ms |
296 KB |
Output is correct |
| 4 |
Correct |
2 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
0 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
296 KB |
Output is correct |
| 10 |
Correct |
0 ms |
212 KB |
Output is correct |
| 11 |
Correct |
0 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
300 KB |
Output is correct |
| 13 |
Correct |
0 ms |
212 KB |
Output is correct |
| 14 |
Correct |
3 ms |
212 KB |
Output is correct |
| 15 |
Correct |
3 ms |
212 KB |
Output is correct |
| 16 |
Correct |
1 ms |
296 KB |
Output is correct |
| 17 |
Correct |
1 ms |
212 KB |
Output is correct |
| 18 |
Correct |
0 ms |
212 KB |
Output is correct |
| 19 |
Correct |
7 ms |
212 KB |
Output is correct |
| 20 |
Correct |
2 ms |
212 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
175 ms |
212 KB |
Output is correct |
| 2 |
Execution timed out |
1096 ms |
212 KB |
Time limit exceeded |
| 3 |
Execution timed out |
1098 ms |
212 KB |
Time limit exceeded |
| 4 |
Execution timed out |
1097 ms |
212 KB |
Time limit exceeded |
| 5 |
Execution timed out |
1075 ms |
212 KB |
Time limit exceeded |
| 6 |
Execution timed out |
1079 ms |
212 KB |
Time limit exceeded |
| 7 |
Correct |
75 ms |
276 KB |
Output is correct |
| 8 |
Correct |
54 ms |
276 KB |
Output is correct |
| 9 |
Correct |
97 ms |
212 KB |
Output is correct |
| 10 |
Correct |
134 ms |
288 KB |
Output is correct |
| 11 |
Correct |
177 ms |
280 KB |
Output is correct |
| 12 |
Execution timed out |
1002 ms |
280 KB |
Time limit exceeded |
| 13 |
Correct |
209 ms |
332 KB |
Output is correct |
| 14 |
Execution timed out |
1094 ms |
212 KB |
Time limit exceeded |
| 15 |
Execution timed out |
1093 ms |
212 KB |
Time limit exceeded |
| 16 |
Execution timed out |
1092 ms |
212 KB |
Time limit exceeded |
| 17 |
Execution timed out |
1093 ms |
212 KB |
Time limit exceeded |
| 18 |
Execution timed out |
1081 ms |
212 KB |
Time limit exceeded |
| 19 |
Execution timed out |
1068 ms |
212 KB |
Time limit exceeded |
| 20 |
Execution timed out |
1090 ms |
212 KB |
Time limit exceeded |
| 21 |
Execution timed out |
1090 ms |
212 KB |
Time limit exceeded |
| 22 |
Execution timed out |
1093 ms |
212 KB |
Time limit exceeded |
| 23 |
Execution timed out |
1080 ms |
212 KB |
Time limit exceeded |
| 24 |
Execution timed out |
1093 ms |
212 KB |
Time limit exceeded |
| 25 |
Execution timed out |
1093 ms |
212 KB |
Time limit exceeded |
| 26 |
Execution timed out |
1093 ms |
212 KB |
Time limit exceeded |
| 27 |
Execution timed out |
1090 ms |
212 KB |
Time limit exceeded |
| 28 |
Execution timed out |
1088 ms |
212 KB |
Time limit exceeded |
| 29 |
Execution timed out |
1084 ms |
212 KB |
Time limit exceeded |
| 30 |
Execution timed out |
1094 ms |
212 KB |
Time limit exceeded |
| 31 |
Execution timed out |
1092 ms |
212 KB |
Time limit exceeded |
| 32 |
Execution timed out |
1090 ms |
212 KB |
Time limit exceeded |
| 33 |
Execution timed out |
1093 ms |
212 KB |
Time limit exceeded |
| 34 |
Execution timed out |
1089 ms |
212 KB |
Time limit exceeded |
| 35 |
Execution timed out |
1094 ms |
212 KB |
Time limit exceeded |
| 36 |
Execution timed out |
1091 ms |
212 KB |
Time limit exceeded |
| 37 |
Execution timed out |
1093 ms |
212 KB |
Time limit exceeded |
| 38 |
Execution timed out |
1091 ms |
212 KB |
Time limit exceeded |
| 39 |
Execution timed out |
1088 ms |
212 KB |
Time limit exceeded |
| 40 |
Execution timed out |
1091 ms |
212 KB |
Time limit exceeded |
| 41 |
Execution timed out |
1057 ms |
212 KB |
Time limit exceeded |
| 42 |
Execution timed out |
1084 ms |
260 KB |
Time limit exceeded |
| 43 |
Execution timed out |
1084 ms |
212 KB |
Time limit exceeded |
| 44 |
Execution timed out |
1068 ms |
212 KB |
Time limit exceeded |
| 45 |
Execution timed out |
1090 ms |
212 KB |
Time limit exceeded |
