Why my two cases are not passed

#1

what is the mistake?

#2

Share your code please

#3

https://ide.geeksforgeeks.org/OkinlNxLb4

#4

You need to do this, please see question carefullly
int p;

    cin>>p;
    sieve();
    if(p>v.size())
            cout<<v[v.size()-1];
    else
#5

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