Answers for "how to add an element in the begging of a vector in c++"

Appending a vector to a vector in C++

Input:
    vector<int> v1{ 10, 20, 30, 40, 50 };
    vector<int> v2{ 100, 200, 300, 400 };

    //appending elements of vector v2 to vector v1
    v1.insert(v1.end(), v2.begin(), v2.end());

    Output:
    v1: 10 20 30 40 50 100 200 300 400
    v2: 100 200 300 400

Posted by: Guest on November-12-2020

c++ how to add something at the start of a vector

#include <vector>

int main() {
    std::vector<int> v{ 1, 2, 3, 4, 5 };
    v.insert(v.begin(), 6);
}

Posted by: Guest on June-19-2020

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Answers for "how to add an element in the begging of a vector in c++"

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Answers for "how to add an element in the begging of a vector in c++"

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