Answers for "how to initialize vector of certain size c++"

c++ initialize vector of vector with size

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

Posted by: Guest on May-24-2021

create vector of specific size c++

// 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-16-2021

vector with initial size

std::vector<std::string> vec(20000);

Posted by: Guest on August-14-2021

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