1 solutions
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1
#include<bits/stdc++.h> using namespace std; int get(int x) // k的因数中除k以外最大的因数。 { for(int i=2;i<=sqrt(x);i++) { if(x%i==0) return x/i; } return 1; } int main() { int q; cin>>q; while(q--) { int x,y; cin>>x>>y; int res=0; while(x!=y) { if(x>y) x=get(x); //x往上走 else y=get(y); res++; } cout<<res<<endl; } return 0; }
- 1
Information
- ID
- 2814
- Time
- 1000ms
- Memory
- 256MiB
- Difficulty
- 10
- Tags
- # Submissions
- 4
- Accepted
- 1
- Uploaded By