VJ_Vector-Erase _vector

Vector-Erase

//
#include<bits/stdc++.h>
using namespace std;

int main()
{
    vector<int> v;
    int n,i,x,a,b;

    while( cin>>n )
    {
        v.clear();
        while( n-- )
        {
            cin>>x;
            v.push_back( x );
        }
        cin>>x>>a>>b;
                                    // -1
        v.erase( v.begin()+x-1 );
        v.erase( v.begin()+a-1,v.begin()+b-1 );

        cout<<v.size()<<endl;
        for( i=0;i<v.size();i++ )
        {
            if(i) cout<<" ";
            cout<<v[i];
        }
        cout<<endl;
    }
    return 0;
}