MMMpastaaaaa

#include <iostream>
#include <vector>
using namespace std;

vector<int> SupaDupaFirstTaskSolver(vector<int> v)
{
    vector<int> modifiedv;
    modifiedv.push_back(1);
    for (int i=0; i<v.size()-1; ++i)
    {
     modifiedv.push_back(v[i]+v[i+1]);
    }
    modifiedv.push_back(1);
    return modifiedv;
}


int main()
{
    vector<int> v;
    v.push_back(1);
    v.push_back(2);
    v.push_back(1);
    v=SupaDupaFirstTaskSolver(v);
for (int i=0; i<v.size(); ++i)
{
    cout << v[i]<<" ";

}
return 0;