Question

s=0:t=o:u=0for i=1 to 3for j=1 to i for k=j to 3s=s+1next kt

Answer 1

s = 0: t = o: u = 0

For i = 1 To 3

For j = 1 To i

For k = j To 3

s = s + 1

Next k

t = t + 1

Next j

u = u + 1

Next i

Print s; t; u

先看内层的循环

再看外层

按F8进行分步测试就明白了