This is a C++ question. 1. Define a global vector<int> gv; initialize it with te

Question

This is a C++ question.

1. Define a global vector<int> gv; initialize it with ten ints 1,2,4,8,16 etc.

2. Define a function f() takjing a vector<int> arguement

3. In f():

a) Define a local vector<int> lv with the same number of elements as the arguent vector

b) Copy the values from gv into lv

c) Print out the elements of lv

d) Define a local vector<int> lv2; initialize it to be a copy of the argument vector

e) Print out the elements of lv2

4. in main()

a) call f() with gv as its argument

b) Define a vector<int> vv and initialize it with the first ten factorial values (1, 2*1, 3*2*1, etc)

c) call f() with vv as argument

I dont understand how to solve this

Explanation / Answer

Please find the code below with detailed inline comments.

CODE

======================

#include <iostream>
#include <vector>

using namespace std;

void f(vector<int> gv) {
vector<int> lv;
vector<int> lv2;

for(int i=0; i!=gv.size(); i++){
lv.push_back(gv[i]);
}

for(int i=0; i!=lv.size(); i++){
cout << lv[i] << endl;
}
cout << endl;

lv2 = gv;
for(int i=0; i!=lv2.size(); i++){
cout << lv2[i] << endl;
}
cout << endl;
}

int main() {

vector<int> gv{1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024};
f(gv);

vector<int> vv{1, 2, 6, 24, 120, 720, 5040, 40320, 362880, 3628800};
f(vv);
return 0;
}

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