//freopen(".in","r",stdin);freopen(".out","w",stdout);
#define fast ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0)
#include <bits/stdc++.h>
#include <unordered_map>
#define endl '\n'
#define mid ((l+r)/2)
#define F first
#define S second
#define pb push_back
#define yes void (cout<<"YES"<<endl)
#define no void (cout<<"NO"<<endl)
#define ump unordered_map <ll,ll>
#define sp " "
#define vll vector<ll>
#define vint vector<int>
#define vp vector<pll>
#define pll pair<ll,ll>
#define mem(x,val) memset(x,val,sizeof(x))
typedef long double ld;
typedef long long ll;
using namespace std;
const ll inf=2e18+9;
const ll M=1e9+7;
ll a,b,ans;
int main(){
fast;
cin>>a>>b;
if(b-a<=1000000){
for(ll i=a ; i<=b ;i++){
string s=to_string(i);
ll n=s.size(),gg=1;
s+="*?";
for(ll i=0 ; i<n ;i++)
if(s[i]==s[i+1]||s[i]==s[i+2])
gg=0;
ans+=gg;
}
}
else{
ans=((b-a))/6;
}
cout<<ans<<endl;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
1 ms |
344 KB |
Output is correct |
| 3 |
Correct |
10 ms |
348 KB |
Output is correct |
| 4 |
Correct |
4 ms |
452 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
344 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
344 KB |
Output is correct |
| 10 |
Correct |
1 ms |
600 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 KB |
Output is correct |
| 12 |
Correct |
0 ms |
344 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 |
0 ms |
348 KB |
Output is correct |
| 17 |
Correct |
1 ms |
348 KB |
Output is correct |
| 18 |
Correct |
0 ms |
348 KB |
Output is correct |
| 19 |
Correct |
10 ms |
456 KB |
Output is correct |
| 20 |
Correct |
2 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 2 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 3 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 4 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 5 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
| 6 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 7 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 8 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
| 9 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 10 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
| 11 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 12 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 13 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 14 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
| 15 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 16 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 17 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
| 18 |
Incorrect |
1 ms |
344 KB |
Output isn't correct |
| 19 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
| 20 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 21 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
| 22 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 23 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 24 |
Incorrect |
3 ms |
452 KB |
Output isn't correct |
| 25 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 26 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
| 27 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 28 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
| 29 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
| 30 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
| 31 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
| 32 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 33 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 34 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 35 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
| 36 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
| 37 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
| 38 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 39 |
Incorrect |
0 ms |
352 KB |
Output isn't correct |
| 40 |
Incorrect |
1 ms |
596 KB |
Output isn't correct |
| 41 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 42 |
Incorrect |
1 ms |
600 KB |
Output isn't correct |
| 43 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 44 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 45 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
