how to initialize a zero an array of vector in c++? code example

Example: initialize vector to all zeros c++

// my linkedin : https://www.linkedin.com/in/vaalarivan-prasanna-3a07bb203/
// 1-D case
vector<int> vec(desiredVectorSize, 0);  

// 2-D case
vector<vector<int>> vec(desiredNoOfRows, vector<int>(desiredNoOfColumns, 0));