Erasing elements from a vector

Question

I want to clear a element from a vector using the erase method. But the problem here is that the element is not guaranteed to occur only once in the vector. It may be presen

Answer 1

To erase 1st element you can use:

vector mV{ 1, 2, 3, 4, 5 }; 
vector::iterator it; 

it = mV.begin(); 
mV.erase(it);