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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
Comment

initialize vector in c++

#include 
#include
using namespace std;
int main()
{
vector <int> v{1,2,3,4,5};
for(int value:v)
cout<<value<<" ";
return 0;
}
Comment

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;
}
Comment

initialize vector c++

//me
typedef vector<int> vi;	

vi a; a.push_back(10);							//init empty vector then fill
vi b(10,0);										//init vector with 10 0's
vi c {1,2,3};									//init vector like array
int l[] = {1,2,3}; vi d(l,l+ 3);				//init vector with array
vi d1{10,20,30}; vi d2(d1.begin(), d2.end());	//init vector with another
vi e(10); fill(e.begin(), e.end(), 0);			//init vector then fill with 0's
Comment

how to initialize vector

vector<int> vect{ 10, 20, 30 };
Comment

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; 
} 
Comment

initialize vector

// Create an empty vector
vector<int> vect;

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

//initilize with values
vector<int> vect{ 10, 20, 30 };

//initilize with old array
vector<int> vect(arr, arr + n);

//initilize with old vector
vector<int> vect2(vect1.begin(), vect1.end());
Comment

initialise a vector c++

vector<int> vect;
Comment

c++ vector initialization

#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);
 
  // This vector initializes with the values: 10, 20, and 30
  vector<int> vect{ 10, 20, 30 }; 
  
  return 0;
}
Comment

initialize vector c++

std::vector<int> ints;

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

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;
}
Comment

initialise a vector c++

vector<int> vect;
Comment

how to initialize a vector in c++

std::vector<type> name;
Comment

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