Solution in C++
#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;
int main() {
int n,i=0;
cin>>n;
vector <int> v(n);
while(n--){
cin >> v[i++];
}
int p,s,e;
cin >> p ;
v.erase(v.begin()+p-1);
cin >> s >> e ;
v.erase(v.begin()+s-1,v.begin()+e-1);
i=0;
cout << v.size() <<endl;
while(v.size()!=i){
cout << v[i++] << " ";
}
return 0;
}
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Thanks..