hello, I need some help with this program:)

Question

1.00/5 (1 vote)

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the output has to be (for an example if we choose the number 4)

and the program that I wrote is

C

#include<stdio.h>
void main()
{
int i,j,num;
printf("please enter a number\n");
scanf("\n");
for (j=1;j<=num;j++)
{
for(i=1;i<=j;i++)
printf("...") //this is where I get stuck.
printf("\n");
}
}</stdio.h>

Posted 18-Nov-13 5:55am

Member 10409403

Updated 18-Nov-13 5:58am

CHill60

v2

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Comments

CHill60 18-Nov-13 12:00pm

What are the "rules" for defining the output ... in other words how was that requirement stated?

Member 10409403 18-Nov-13 12:04pm

write a program which's output is the following (the example was the output 4)
1
2 3
4 5 6
7 8 9 10

Member 10409403 18-Nov-13 12:04pm

I'm sorry the example for the input 4*

Zoltán Zörgő 18-Nov-13 12:09pm

Looks better :)

Member 10409403 18-Nov-13 12:11pm

so can you help?

3 solutions

Solution 3

The series you expected as output is called Floyd's triangle.

You can found its program here.

Posted 18-Nov-13 14:13pm

Atul Khanduri

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**Zoltán Zörgő** · Accepted Answer · 2013-11-18T06:17:00

Solution 1

I can:

C#

#include<stdio.h>
int main()
{
int i,j,num=1, n = 4;
for(i=1;i<=n;i++)
 {
  for(j=1;j<=i;j++) printf("%d ",num++);
  printf("\n");
 }
return 0;
}

You did actually right. You get stuck with the number you want to print. I simply introduced a new variable, that is printed and incremented.

Posted 18-Nov-13 6:17am

Zoltán Zörgő

Comments

Member 10409403 18-Nov-13 12:22pm

thank you sooooooooooo much :)

CHill60 18-Nov-13 12:23pm

My 5.
I was going to restate the requirements for the OP like this
a) the input is the number of rows required.
b) the number of items on each row is equal to the row "number"
c) Each item printed is the previous item + 1
Where point (c) is the important bit ... your new variable "num"

Ganesh KP · Accepted Answer · 2013-11-18T06:27:00

Solution 2

Hi User 10409403, try this code buddy

C++

int count=1; //declare and initialize a variable 
//read maxSize with the value you want like 4 or 5 and test for different numbers
for(int i=1;i<=maxSize;i++)
{
	for(j=1;j<=i;j++)
	{
	    printf("%d\t",count++);
	}
printf("\n");
}

As I donot have c compiler with me, I could not able to test but according to my logic that would work perfectly. Please try and let us know if that works or not.

Thanks
Ganesh

Posted 18-Nov-13 6:27am

Ganesh KP

Updated 18-Nov-13 6:42am

v4

Comments

CHill60 18-Nov-13 12:34pm

That is going to work ... except for the names of variables and the fact you've added a tab between the items this is identical to Solution 1

Ganesh KP 18-Nov-13 13:05pm

thanks Chill60, actually I have not seen solution1 when I posted my solution, seems both the solutions same. My internet connection is too slow to come up with the whole page loading.

Member 10409403 18-Nov-13 12:43pm

It did work:)!!
Thanks!