5 solutions
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2
#include<bits/stdc++.h> using namespace std; bool check(int x) { vector<int> v; while(x) { int ge=x%9; v.push_back(ge); if(ge%2==0) { return false; } x/=9; } vector<int> v1=v; reverse(v1.begin(),v1.end()); if(v1==v) { return true; } return false; } int main() { int n,m; cin>>n>>m; int cnt=0; for(int i=n;i<=m;i++) { if(check(i)) { cnt++; } } cout<<cnt; return 0; }
Information
- ID
- 680
- Time
- 1000ms
- Memory
- 256MiB
- Difficulty
- 5
- Tags
- # Submissions
- 66
- Accepted
- 22
- Uploaded By