#include<bits/stdc++.h>
#pragma GCC target ("avx,avx2,fma")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
typedef long long ll;
typedef long double ld;
#define SPEED ios_base::sync_with_stdio(false); cin.tie(0), cout.tie(0)
#define rall(v) (v).rbegin(),(v).rend()
#define all(v) (v).begin(),(v).end()
#define OK cerr<<"OK"<<endl<<flush
#define pii pair<int, int>
#define pll pair<ll, ll>
#define pb push_back
#define F first
#define S second
#define y0 jahdakdh
#define y1 jahsadakdakdh
#define endl '\n'
using namespace std;
const ll MOD=1e9+7;
// mt19937 rng(std::chrono::system_clock::now().time_since_epoch().count());
ll a, b, p[20];
ll ans;
ll check(ll x)
{
string s=to_string(x);
int n=s.length();
s+='-';
for(int i=0; i<n-1; i++)
{
if(s[i]==s[i+1]) return n-(i+1)-1;
else if(s[i]==s[i+2]) return n-(i+2)-1;
}
return -1;
}
int main()
{
SPEED;
p[0]=1;
for(int i=1; i<=18; i++)
p[i]=p[i-1]*10;
cin>>a>>b;
for(ll i=a; i<=b;)
{
ll e=check(i);
if(e==-1) ans++, e++;
//cout<<i<<' '<<e<<endl;
i=(i/p[e]*p[e])+p[e];
}
cout<<ans<<endl;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
204 KB |
Output is correct |
| 2 |
Correct |
0 ms |
204 KB |
Output is correct |
| 3 |
Correct |
10 ms |
308 KB |
Output is correct |
| 4 |
Correct |
4 ms |
304 KB |
Output is correct |
| 5 |
Correct |
0 ms |
204 KB |
Output is correct |
| 6 |
Correct |
0 ms |
204 KB |
Output is correct |
| 7 |
Correct |
0 ms |
248 KB |
Output is correct |
| 8 |
Correct |
0 ms |
204 KB |
Output is correct |
| 9 |
Correct |
0 ms |
204 KB |
Output is correct |
| 10 |
Correct |
0 ms |
204 KB |
Output is correct |
| 11 |
Correct |
0 ms |
204 KB |
Output is correct |
| 12 |
Correct |
0 ms |
204 KB |
Output is correct |
| 13 |
Correct |
1 ms |
204 KB |
Output is correct |
| 14 |
Correct |
4 ms |
204 KB |
Output is correct |
| 15 |
Correct |
4 ms |
204 KB |
Output is correct |
| 16 |
Correct |
1 ms |
204 KB |
Output is correct |
| 17 |
Correct |
1 ms |
204 KB |
Output is correct |
| 18 |
Correct |
0 ms |
204 KB |
Output is correct |
| 19 |
Correct |
10 ms |
204 KB |
Output is correct |
| 20 |
Correct |
4 ms |
204 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
222 ms |
292 KB |
Output is correct |
| 2 |
Execution timed out |
1078 ms |
204 KB |
Time limit exceeded |
| 3 |
Execution timed out |
1089 ms |
204 KB |
Time limit exceeded |
| 4 |
Execution timed out |
1094 ms |
204 KB |
Time limit exceeded |
| 5 |
Execution timed out |
1089 ms |
204 KB |
Time limit exceeded |
| 6 |
Execution timed out |
1090 ms |
204 KB |
Time limit exceeded |
| 7 |
Correct |
132 ms |
288 KB |
Output is correct |
| 8 |
Correct |
64 ms |
204 KB |
Output is correct |
| 9 |
Correct |
118 ms |
204 KB |
Output is correct |
| 10 |
Correct |
163 ms |
204 KB |
Output is correct |
| 11 |
Correct |
203 ms |
288 KB |
Output is correct |
| 12 |
Execution timed out |
1002 ms |
204 KB |
Time limit exceeded |
| 13 |
Correct |
242 ms |
204 KB |
Output is correct |
| 14 |
Execution timed out |
1066 ms |
268 KB |
Time limit exceeded |
| 15 |
Execution timed out |
1094 ms |
204 KB |
Time limit exceeded |
| 16 |
Execution timed out |
1091 ms |
204 KB |
Time limit exceeded |
| 17 |
Correct |
1 ms |
204 KB |
Output is correct |
| 18 |
Correct |
0 ms |
204 KB |
Output is correct |
| 19 |
Correct |
1 ms |
204 KB |
Output is correct |
| 20 |
Correct |
0 ms |
204 KB |
Output is correct |
| 21 |
Execution timed out |
1090 ms |
204 KB |
Time limit exceeded |
| 22 |
Correct |
1 ms |
204 KB |
Output is correct |
| 23 |
Execution timed out |
1095 ms |
204 KB |
Time limit exceeded |
| 24 |
Correct |
0 ms |
204 KB |
Output is correct |
| 25 |
Execution timed out |
1084 ms |
204 KB |
Time limit exceeded |
| 26 |
Execution timed out |
1095 ms |
204 KB |
Time limit exceeded |
| 27 |
Execution timed out |
1094 ms |
204 KB |
Time limit exceeded |
| 28 |
Execution timed out |
1091 ms |
204 KB |
Time limit exceeded |
| 29 |
Correct |
0 ms |
204 KB |
Output is correct |
| 30 |
Correct |
0 ms |
204 KB |
Output is correct |
| 31 |
Execution timed out |
1082 ms |
204 KB |
Time limit exceeded |
| 32 |
Correct |
0 ms |
204 KB |
Output is correct |
| 33 |
Execution timed out |
1094 ms |
204 KB |
Time limit exceeded |
| 34 |
Correct |
0 ms |
204 KB |
Output is correct |
| 35 |
Execution timed out |
1092 ms |
204 KB |
Time limit exceeded |
| 36 |
Execution timed out |
1090 ms |
204 KB |
Time limit exceeded |
| 37 |
Execution timed out |
1094 ms |
204 KB |
Time limit exceeded |
| 38 |
Execution timed out |
1090 ms |
204 KB |
Time limit exceeded |
| 39 |
Execution timed out |
1093 ms |
204 KB |
Time limit exceeded |
| 40 |
Correct |
0 ms |
204 KB |
Output is correct |
| 41 |
Execution timed out |
1093 ms |
204 KB |
Time limit exceeded |
| 42 |
Correct |
0 ms |
204 KB |
Output is correct |
| 43 |
Execution timed out |
1092 ms |
204 KB |
Time limit exceeded |
| 44 |
Execution timed out |
1094 ms |
204 KB |
Time limit exceeded |
| 45 |
Execution timed out |
1094 ms |
204 KB |
Time limit exceeded |
