How can I write python b[1:] in C++, which is an integer array index
from 1 to n. Is it possible to represent it using vector?
def select_sort_rec(a):
     if len(a) <= 1:
        return a
     else:
        b = list(a)
        min_index = b.index(min(b))
        aux = b[min_index]
        b[min_index] = b[0]
        b[0] = aux
        return [aux] + select_sort_rec(b[1:])
 
    