serve_all_custommers.py

n,k=5,2
a=[5,10,15,20,25]
b=[11,11,5,2,4]
c=[124,10,14,135,42]
csum=sum(c)
tm=1
for cu in range(1,n+1):
    while tm
    tm=a[cu-1]
    k-=1