"how to initialize a vector in c++" Code Answer's
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how to create a vector in c++
// CPP program to create an empty vector
// and push values one by one.
#include <vector>
using namespace std;
int main()
{
// Create an empty vector
vector<int> vect;
//add/push an integer to the end of the vector
vect.push_back(10);
//to traverse and print the vector from start to finish
for (int x : vect)
cout << x << " ";
return 0;
}
initialize vector of vector c++
#include <iostream>
#include <vector>
#define M 3
#define N 4
int main()
{
// specify default value to fill the vector elements
int default_value = 1;
// first initialize a vector of ints with given default value
std::vector<int> v(N, default_value);
// Use above vector to initialize the two-dimensional vector
std::vector<std::vector<int>> matrix(M, v);
return 0;
}
Source: www.techiedelight.com
how to create a vector in c++
// First include the vector library:
#include <vector>
// The syntax to create a vector looks like this:
std::vector<type> name;
// We can create & initialize "lol" vector with specific values:
std::vector<double> lol = {66.666, -420.69};
// it would look like this: 66.666 | -420.69
how to initialize vector in c++ with all elements 0
vector<int> arr(10,0);
how to initialize a vector in c++
std::vector<type> name;
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