彭国伦教材P98课后第三题

Transpose

15235312522 发表于 2020-6-30 16:32
好的
program test0503
implicit none

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program test0503
implicit none
integer age
real income,tax

write(*,*) "Input your age:"
read(*,*) age
write(*,*) "Input your income:"
read(*,*) income

select case(age)
case(0:49)
if(income>=0.0.and.income<=1000.0) then
  tax=income*0.03
else if(income>1000.0.and.income<=5000.0) then
  tax=income*0.10
else if(income>5000.0) then
  tax=income*0.15
else if(income<0.0) then
!这个地方用了elseif就要用then
 tax=0
end if
case(50:)
if(income>=0.0.and.income<=1000.0) tax=income*0.05
if(income>1000.0.and.income<=5000.0) tax=income*0.07
if(income>5000.0) tax=income*0.10
if(income<0.0)  tax=0
case default
  tax=0
end select

write(*,*) "Tax:"
write(*,*) tax

stop
end