Answers for "c++ vector increase size"

set size of a vector c++

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

Posted by: Guest on February-26-2022

c++ create vector of size

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

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

Posted by: Guest on July-15-2020

declare vector of size n in c++

#include <vector>

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

Posted by: Guest on September-13-2020

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