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combine two vectors c++

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BreadCode answered on February 14, 2021 Popularity 9/10 Helpfulness 4/10

answer combine two vectors c++

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combine two vectors c++

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vector<int> v1 = {1, 2, 3}; 
vector<int> v2 = {4, 5, 6};
copy(v1.begin(), v1.end(),back_inserter(v2)); 
// v2 now contains 4 5 6 1 2 3

Popularity 9/10 Helpfulness 4/10 Language cpp

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Tags: c++ combine

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Contributed on Mar 27 2021

BreadCode

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c++ vector combine two vectors

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vector1.insert(vector1.end(), vector2.begin(), vector2.end());

Popularity 10/10 Helpfulness 7/10 Language cpp

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Tags: c++

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Contributed on Feb 14 2021

SnoogySocks

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concatenate two vectors c++

Comment

#include <vector> // vector 
#include <iostream> // output 
using namespace std;

int main()
{
  // two vectors to concatenate
  vector<int> A = {1,3,5,7};
  vector<int> B = {2,4,6,8};
  // vector that will hold the combined values of A and B
  std::vector<int> AB = A;
  AB.insert(AB.end(), B.begin(), B.end());
  // output 
  for (auto i : AB) {
      cout << i << ' ';
  }
}

Popularity 9/10 Helpfulness 4/10 Language cpp

Source: stackoverflow.com

Tags: c++

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Contributed on Aug 29 2021

intricate_symbol

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joining two vectors in c++

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// my linkedin : https://www.linkedin.com/in/vaalarivan-prasanna-3a07bb203/
vector<int> AB;
AB.reserve(A.size() + B.size()); // preallocate memory
AB.insert(AB.end(), A.begin(), A.end());
AB.insert(AB.end(), B.begin(), B.end());
//eg : A = {4, 1}, B = {2, 5}
//after the 2 insert operations, AB = {4, 1, 2, 5}

Popularity 9/10 Helpfulness 4/10 Language cpp

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Tags: c++

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Contributed on Apr 19 2021

My real name : Vaalarivan P

0 Answers Avg Quality 2/10

concat two vectors c++

Comment

std::vector<int> first;
std::vector<int> second;

first.insert(first.end(), second.begin(), second.end());

Popularity 9/10 Helpfulness 4/10 Language cpp

Source: stackoverflow.com

Tags: c++

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Contributed on Feb 22 2022

purple_spider513

0 Answers Avg Quality 2/10

how to concatenate two vectors in c++

Comment

vector<int> a, b;
//fill with data
b.insert(b.end(), a.begin(), a.end());

Popularity 9/10 Helpfulness 3/10 Language cpp

Source: stackoverflow.com

Tags: c++

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Contributed on Aug 07 2021

Adventurous Addax

0 Answers Avg Quality 2/10

combine two vectors c++

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