真分数

Posted 2021-01-11 luelue

#include<stdio.h>
#include<stdlib.h>
#include<time.h>
#define N p
main()
{
int a,b,k,i,n,c,d,x,m,p;
do{
printf(" 输入数量:");
scanf("%d",&p);
printf(" 输入类型(1.真分数 2.整数)");
scanf("%d",&n);

    switch(n)
{
    case 1:
{
  for(i=0;i<N;i++)
 {
 x=rand()%100+1;
 m=rand()%100+1;
 k=rand()%4+1;
 if(x>=m)
printf("%d/%d",m,x);
 else
printf("%d/%d",x,m);
 switch(k)
{
     case 1:printf("+");break;
     case 2:printf("-");break;
     case 3:printf("*");break;
     case 4:printf("/");break;
}
c=rand()%100+1;
d=rand()%100+1;
if(c>=d)
printf("%d/%d= ",d,c);
else
printf("%d/%d= ",c,d);
}
break;
}
break;
    case 2:
{

  for(i=0;i<N;i++)
{
a=rand()%100+1;
b=rand()%100+1;
k=rand()%4+1;
printf("%d",a);
switch(k)
{
     case 1:printf("+");break;
     case 2:printf("-");break;
     case 3:printf("*");break;
     case 4:printf("/");break;
}
printf("%d= ",b);
}
break;
}
break;
}
}while(n!=-1);
}