[devil19xp]

#include <iostream>

using namespace std;

int main()
{
//how to make all the output 
 //in increasing order a,b,c,d where "a" will be smaller than "b"
                        //and "b"  smaller  than "c";                                 
    for(int a=1;a<30;a++ ){ //for example in this format (a< b),(b<c),(c<d),(d)
    for(int b=2;b<40;b++ ){ //    example the output 2,4,7,18 
      for(int c=4;c<50;c++ ){    // where "2" is smaller than "4"
            for(int d=10;d<66;d++ ){ //"4" is smaller than "7"
cout<<a<<","<<b<<","<<c<<","<<d<<endl;//"7" is smaller than "18"
                                   }
                            }
                          }
                          }
    return 0;
}

This post has been edited by Salem_c: 08 September 2012 - 04:08 AM
Reason for edit:: added [code][/code] tags - learn to use them yourself

[Salem_c]

Like this?

for(int a=1;a<30;a++)
  for(int b=a+1;b<30;b++)

[devil19xp]

it didnt work...

Salem_c, on 08 September 2012 - 04:11 AM, said:

Like this?

for(int a=1;a<30;a++)
  for(int b=a+1;b<30;b++)

it didnt work...

[no2pencil]

That's not good enough