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  1. #include<bits/stdc++.h>
  2. #define ll long long
  3. using namespace std;
  4.  
  5. int main()
  6. {
  7.    ll n,i,j;
  8.     cin>>n;
  9.     ll a[n];
  10.     for(i=0;i<n;i++)
  11.     {
  12.         cin>>a[i];
  13.     }
  14.     ll b[n]={0};
  15.     for(i=0;i<n;i++)
  16.     {
  17.         ll m=10000000;
  18.         for(j=0;j<n;j++)
  19.         {
  20.             if((i!=j )&& (__gcd(a[i],a[j])>1))
  21.             {
  22.                 //cout<<i<<" "<<j<<" "<<__gcd(a[i],a[j])<<endl;
  23.                 if(abs(i-j)<m)
  24.                 {
  25.                     //cout<<"  yes i am in"<<endl;
  26.                     b[i]=j+1;
  27.                     m=abs(i-j);
  28.                 }
  29.             }
  30.         }
  31.         if(b[i]==0)
  32.             b[i]=-1;
  33.     }
  34.  
  35.  
  36.     for(i=0;i<n;i++)
  37.     {
  38.         cout<<b[i]<<" ";
  39.     }
  40.  
  41.  
  42. }
  43.  
Success #stdin #stdout 0s 15232KB
comments (?)
stdin
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5
2 3 4 9 17
stdout
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3 4 1 2 -1
https://ideone.com/hgLyat
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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