Initialize vector c++

How to initialize vector in c++ with all elements 0

 vector<int> arr(10,0);

C++ initialize a vector

#include <bits/stdc++.h> 
#include <vector> 
using namespace std; 
  
int main() 
{ 
// This vector initializes with the values: 10, 20, and 30
  vector<int> vect{ 10, 20, 30 }; 

    return 0; 
}

Initialize vector c++

// CPP program to create an empty vector
// and push values one by one.
#include <bits/stdc++.h>
using namespace std;

int main()
{
	int n = 3;

	// Create a vector of size n with
	// all values as 10.
	vector<int> vect(n, 10);

	for (int x : vect)
		cout << x << " ";

	return 0;
}

C++ vector initialization

vector<int> a;                                       // empty vector of ints
vector<int> b (5, 10);                                // five ints with value 10
vector<int> c (b.begin(),b.end());                     // iterating through second
vector<int> d (c);                                   // copy of c

Source: hackerearth.com

Initialize vector c++

std::vector<int> ints;

ints.push_back(10);
ints.push_back(20);
ints.push_back(30);

Source: stackoverflow.com

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