Answers for "initialize vector with size in c++"

c++ initialize vector of vector with size

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

Posted by: Guest on May-24-2021

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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