Question

vfp自定义一个求n!的函数,并利用该自定义函数计算:s=1!+3!+5!+7!+9!

Answer 1

clear

s=0

for i=1 to 9 step 2

s=s+jc(i)

endfor

"1!+3!+5!+7!+9!="+alltrim(str(s))

function jc(x)

p=1

for j=1 to x

p=p*j

endfor

return p

endfunc