#include<bits/stdc++.h>
using namespace std;
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#define f first
#define s second
#define DEBUG(a, b) cerr<<a<<b;
pair<long long, bool> check(long long s) {
long long prev = -1, pprev = -2;
long long c = 1, n = 0, k = 0;
while(s > 0) {
if(s%10 == prev)return {n%(c/10) + 1, 1};
else if(s%10 == pprev)return {n%(c/100)+1, 1};
pprev = prev;
prev = s%10;
n+=s%10 * c;
s/=10;
c*=10;
}
return {1, 0};
}
int main () {
long long a, b, c = 0;
cin >> a >> b;
long long k = b-a;
while(b >= a) {
pair<long long, bool> k = check(b);
if(k.s)c+=k.f;
b-=k.f;
}
cout<<k - c+1;
}
Compilation message
numbers.cpp: In function 'std::pair<long long int, bool> check(long long int)':
numbers.cpp:10:26: warning: unused variable 'k' [-Wunused-variable]
10 | long long c = 1, n = 0, k = 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 |
3 ms |
204 KB |
Output is correct |
| 4 |
Correct |
2 ms |
204 KB |
Output is correct |
| 5 |
Correct |
0 ms |
204 KB |
Output is correct |
| 6 |
Correct |
0 ms |
204 KB |
Output is correct |
| 7 |
Correct |
1 ms |
204 KB |
Output is correct |
| 8 |
Correct |
0 ms |
204 KB |
Output is correct |
| 9 |
Correct |
0 ms |
204 KB |
Output is correct |
| 10 |
Correct |
1 ms |
204 KB |
Output is correct |
| 11 |
Correct |
1 ms |
204 KB |
Output is correct |
| 12 |
Correct |
0 ms |
204 KB |
Output is correct |
| 13 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
| 14 |
Correct |
2 ms |
204 KB |
Output is correct |
| 15 |
Correct |
2 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 |
1 ms |
204 KB |
Output is correct |
| 19 |
Correct |
3 ms |
204 KB |
Output is correct |
| 20 |
Correct |
2 ms |
204 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
75 ms |
204 KB |
Output is correct |
| 2 |
Execution timed out |
1086 ms |
204 KB |
Time limit exceeded |
| 3 |
Execution timed out |
1097 ms |
204 KB |
Time limit exceeded |
| 4 |
Execution timed out |
1092 ms |
204 KB |
Time limit exceeded |
| 5 |
Correct |
726 ms |
264 KB |
Output is correct |
| 6 |
Correct |
746 ms |
264 KB |
Output is correct |
| 7 |
Correct |
38 ms |
204 KB |
Output is correct |
| 8 |
Incorrect |
27 ms |
296 KB |
Output isn't correct |
| 9 |
Correct |
49 ms |
268 KB |
Output is correct |
| 10 |
Correct |
64 ms |
204 KB |
Output is correct |
| 11 |
Correct |
76 ms |
204 KB |
Output is correct |
| 12 |
Correct |
418 ms |
264 KB |
Output is correct |
| 13 |
Correct |
99 ms |
268 KB |
Output is correct |
| 14 |
Correct |
724 ms |
268 KB |
Output is correct |
| 15 |
Incorrect |
846 ms |
204 KB |
Output isn't correct |
| 16 |
Execution timed out |
1094 ms |
204 KB |
Time limit exceeded |
| 17 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
| 18 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
| 19 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
| 20 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
| 21 |
Execution timed out |
1099 ms |
204 KB |
Time limit exceeded |
| 22 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
| 23 |
Execution timed out |
1087 ms |
204 KB |
Time limit exceeded |
| 24 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
| 25 |
Execution timed out |
1088 ms |
204 KB |
Time limit exceeded |
| 26 |
Execution timed out |
1096 ms |
204 KB |
Time limit exceeded |
| 27 |
Execution timed out |
1094 ms |
204 KB |
Time limit exceeded |
| 28 |
Execution timed out |
1097 ms |
204 KB |
Time limit exceeded |
| 29 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
| 30 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
| 31 |
Execution timed out |
1092 ms |
204 KB |
Time limit exceeded |
| 32 |
Incorrect |
1 ms |
204 KB |
Output isn't correct |
| 33 |
Execution timed out |
1093 ms |
204 KB |
Time limit exceeded |
| 34 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
| 35 |
Execution timed out |
1092 ms |
204 KB |
Time limit exceeded |
| 36 |
Execution timed out |
1084 ms |
204 KB |
Time limit exceeded |
| 37 |
Execution timed out |
1100 ms |
204 KB |
Time limit exceeded |
| 38 |
Execution timed out |
1093 ms |
204 KB |
Time limit exceeded |
| 39 |
Execution timed out |
1087 ms |
204 KB |
Time limit exceeded |
| 40 |
Incorrect |
1 ms |
204 KB |
Output isn't correct |
| 41 |
Execution timed out |
1084 ms |
204 KB |
Time limit exceeded |
| 42 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
| 43 |
Execution timed out |
1095 ms |
204 KB |
Time limit exceeded |
| 44 |
Execution timed out |
1076 ms |
204 KB |
Time limit exceeded |
| 45 |
Execution timed out |
1094 ms |
204 KB |
Time limit exceeded |
