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#1
July 24th, 2013, 05:15 AM
 jacubcox
Registered User

Join Date: Jul 2013
Posts: 4
Time spent in forums: 44 m 19 sec
Reputation Power: 0

write a program to print triad numbers. any three numbers will be triad numbers if they satisfy the following conditions.
1) each number is a three number.
2) all the digits in the three numbers(total 9 digits) should be different.
plz..explain third point what say...i am not understanding these point..they are...
3)second number should be twice the first number and third number should be thrice the first number.

*******************
#include<stdio.h>
#include<conio.h>
void main()
{
int m,n,p,num;
int i,k,d1,d2,d3;
for(num=100;num<=999/3;num++)/*loop a*/
{
for(i=num;i<=3*num;i+=num)/*loop b*/
{
k=i;
d1=k%10; k/=10;
d2=k%10; k/=10;
d3=k%10; k/=10;
if(d1==d2||d2==d3||d3==d1)
goto nextnum;
}/*end of loop b*/
for(m=num;m>0;m/=10)/*loop c*/
{
d1=m%10;
for(n=num*2;n>0;n/=10)/*loop d*/
{
d2=n%10;
for(p=num*3;p>0;p/=10)/*loop e*/
{
d3=p%10;
if(d1==d2||d2==d3||d3==d1)
goto nextnum;
}/*end of loop e*/
}/*end of loop d*/
}/*end of loop c*/
printf("%d %d %d\n",num, num*2, num*3);
nextnum:
}/*end of loop a*/
getch();
}/*end of main()*/
output:
219 438 657
267 534 801
plz explain this program code and execution triad numbers? what is triad number?
3)second number should be twice the first number and third number should be thrice the first number.

#2
July 24th, 2013, 08:10 AM
 eramit2010
Contributing User

Join Date: Mar 2013
Location: India
Posts: 95
Time spent in forums: 2 Days 18 h 10 m
Reputation Power: 3
second number = 2 * first number and third number = 3 * first number

from your explaination a set of three 3 digit number which has 9 different digit,and follow above condition are triad numbers

 Viewing: Dev Shed Forums > Programming Languages > C Programming > Triad number in c

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