Vectors are also usually more memory-efficient, period. A singly-linked list uses a pointer for each element an a doubly-linked uses two, while a vector has con

Vectors are also usually more memory-efficient, period. A singly-linked list uses a pointer for each element an a doubly-linked uses two, while a vector has constant [a pointer and two integers (size and capacity)] overhead. (Unless the vector was dynamically resized and isn't near capacity.)