Answers for "input a vector in c++"

taking user input for a vector in c++

vector<int> g1;
for(i=0;i<n;i++)
{
  cin>>a;
  g1.push_back(a);
}

how to use vectors c++

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

int main() {
  //vector element size
  const int size = 4; 
  //vector with int data type
  //all elements are equal to 4
  vector<int> myVect (size, 4);

  for (int i=0; i<size; i++) {
    cout << "Vector index(" << i <<") is: "<< myVect[i] << endl; 
  }
  return 0;
}