how to initialise vector with a value code example

Example 1: how to initialize vector

vector vect{ 10, 20, 30 };

Example 2: vector with initial value

// For declaring 
vector v(size, default_value);

// For Vector with a specific default value
// here 5 is the size of the vector
// and  10 is the default value
vector v1(5, 10);