First code 30-way Computer

#include <iostream>#include<stdlib.h>#include<time.h>#defineRandom (x) (rand ()%x)using namespacestd;voidMain () {Srand (int) Time (0));  for(intj=0;j< -; j + +)    {        inti; I=rand ()%2; Switch(i) { Case(0):          {            inta,b,x; Charfy; X=rand ()%4; Switch(x) { Case(0): y='+'; Break;  Case(1): y='-'; Break;  Case(2): y='*'; Break;  Case(3): y='/'; Break; } A=random ( -); b=random ( -); if(y=='/')           {           if(b==0)            {                  Do{b=random ( -);} while(b==0); } cout<<a<<y<<b<<"="<<endl; Break; }               Case(1):         {             inta,b,c,d,x; Chary; X=rand ()%4; Switch(x) { Case(0): y='+'; Break;  Case(1): y='-'; Break;  Case(2): y='*'; Break;  Case(3): y='/'; Break; } A=random ( -); b=random ( -); C=random ( -); D=random ( -); if(a>b) cout<<"("<<b<<"/"<<a<<")"; Else            {                if(b==0)            {                  Do{B=random ( -);} while(b==0); } cout<<"("<<a<<"/"<<b<<")"; } cout<<y; if(c>d) cout<<"("<<d<<"/"<<c<<")"; Else                {                if(d==0)            {                  Do{D=random ( -);} while(d==0); } cout<<"("<<c<<"/"<<d<<")"; } cout<<"="<<endl; Break; }   }    }}}

First code 30-way Computer