题目：分数计算器程序源代码：#include<stdio.h>intgys(intx,inty){returny?gys(y,x%y):x;}intgbs(intx,inty){returnx/gys(x,y)*y;}voidyuefen(intfz,intfm){ints=gys(fz,fm);fz/=s;fm/=s;printf("结果是:%d/%d&quo