how to make a vector in c 2b 2b

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Giulia
20 Aug 2016
1// CPP program to create an empty vector 
2// and push values one by one. 
3#include <vector>
4
5using namespace std;
6int main() 
7{ 
8    // Create an empty vector 
9    vector<int> vect;  
10    //add/push an integer to the end of the vector
11    vect.push_back(10); 
12	//to traverse and print the vector from start to finish
13    for (int x : vect) 
14        cout << x << " ";
15
16    return 0; 
17}
Al
06 Oct 2017
1// First include the vector library:
2#include <vector>
3
4// The syntax to create a vector looks like this:
5std::vector<type> name;
6
7// We can create & initialize "lol" vector with specific values:
8std::vector<double> lol = {66.666, -420.69};
9
10// it would look like this: 66.666 | -420.69
Lea
12 Feb 2020
1#include <vector>
2
3using namespace std;
4
5int main(){
6  vector<int> v;
7  //vector<type> name
8  
9  return 0;
10}
Erika
12 May 2018
1typedef std::vector<std::vector<double> > Matrix;
2
3Matrix matrix = { {0.1,1.1,.2},
4                 {.4,.5,.6}, 
5                 {.8,.9,.10}
6                };
7// Just initilization:
8int rows = 3;
9int cols = 3;
10Matrix m3(rows, std::vector<double>(cols) );
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