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create a vector of size n in c++

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intricate_symbol answered on May 16, 2020 Popularity 3/10 Helpfulness 2/10

answer create a vector of size n in c++

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create a vector of size n in c++

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// create a vector with n integer elements
std::vector<int> arr(n);
// create a vector with n integer elements initalized at 0 
std::vector<int> vector1(n, 0);

Popularity 3/10 Helpfulness 2/10 Language cpp

Source: stackoverflow.com

Tags: c++ n size vector

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Contributed on Nov 20 2021

intricate_symbol

0 Answers Avg Quality 2/10

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c++ vector size

Comment

#include <vector>

int main() {
  std::vector<int> myVector = { 666, 1337, 420 };
  
  size_t size = myVector.size(); // 3
  
  myVector.push_back(399); // Add 399 to the end of the vector
  
  size = myVector.size(); // 4
}

Popularity 10/10 Helpfulness 4/10 Language cpp

Source: Grepper

Tags: c++

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Contributed on May 16 2020

Bright Badger

0 Answers Avg Quality 2/10

c++ initialize vector of vector with size

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vector<vector<int>> v(10, vector<int>(10));

Popularity 10/10 Helpfulness 4/10 Language cpp

Source: Grepper

Tags: c++

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Contributed on May 24 2021

Worthy Warrior

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define vector with size and value c++

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// CPP program to create an empty vector
// and push values one by one.
#include <iostream>
#include <vector>
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;
}

Popularity 10/10 Helpfulness 3/10 Language cpp

Source: www.geeksforgeeks.org

Tags: c++

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Contributed on Mar 05 2022

Cooperative Chimpanzee

0 Answers Avg Quality 2/10

declared of size n vector

Comment

// 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());

Popularity 10/10 Helpfulness 2/10 Language cpp

Source: www.geeksforgeeks.org

Tags: c++

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Contributed on Aug 21 2022

Gavesh Jain

0 Answers Avg Quality 2/10

set size of a vector c++

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void resize (size_type n, value_type val = value_type());

Popularity 10/10 Helpfulness 2/10 Language cpp

Source: www.tutorialspoint.com

Tags: c++

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Contributed on Feb 26 2022

Uptight Unicorn

0 Answers Avg Quality 2/10

vector size c++

Comment

size() function is used to return the size of the vector container or the number of elements in the vector container.
using namespace std;
int main(){
    vector<int> myvector{ 1, 2, 3, 4, 5 };
    cout << myvector.size();
    return 0;
}
//Output = 5

Popularity 10/10 Helpfulness 1/10 Language cpp

Source: Grepper

Tags: c++

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Contributed on Apr 13 2022

Sleepy Head

0 Answers Avg Quality 2/10

c++ create vector of size

Comment

-1

// create a vector with 20 integer elements
std::vector<int> arr(20);

for(int x = 0; x < 20; ++x)
   arr[x] = x;

Popularity 10/10 Helpfulness 1/10 Language cpp

Source: stackoverflow.com

Tags: c++

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Contributed on Jul 15 2020

Wrong Weasel

0 Answers Avg Quality 2/10

set size of a vector c++

Comment

void resize (size_type n);
void resize (size_type n, const value_type& val);

Popularity 10/10 Helpfulness 1/10 Language cpp

Source: www.tutorialspoint.com

Tags: c++

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Contributed on Feb 26 2022

Uptight Unicorn

0 Answers Avg Quality 2/10

create a vector of size n in c++

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create a vector of size n in c++

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c++ vector size

c++ initialize vector of vector with size

define vector with size and value c++

declared of size n vector

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c++ create vector of size

set size of a vector c++

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