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- for(ll k=0; k<j&&p[k]<=z; k++)
- {
- if(z%p[k]==0)
- {
- s=p[k];
- while(z%p[k]==0)
- {
- s*=p[k];
- z/=p[k];
- }
- s--;
- s/=(p[k]-1);
- //cout<<s<<'*';
- ss*=s;
- }
- }
- if(z>1)
- {
- s=z*z;
- s=(s-1)/(z-1);
- ss*=s;
- }
- ss-=i;
- mp[ss]=i;
- cout<<ss<<'-'<<i<<endl;
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