Write a C statement that produces a triangle wave with the following description

Question

Write a C statement that produces a triangle wave with the following description:

1    1 2 1     1 2 3 2 1     1 2 3 4 3 2 1    1 2 3 4 5 4 3 2 1 ...... 1 2 3 4 5 6 7 8 ... N-1 N N-1 ....8 7 6 5 4 3 2 1

Assume variable N is declared and initialized, but you don’t know what value it has. You may assume that N is a constant and greater than 1. Once it reaches the Nth triangle, the whole pattern repeats indefinitely, starting over at 1 and going up to N.

You may declare additional variables you need.

Explanation / Answer

// C code
#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include <math.h>

int main()
{
   int n = 8;

   for (int i = 1; i <= n; ++i)
   {
       int t = i;
       for (int j = 1; j <= t; ++j)
       {
           printf("%d ",j);
       }
       while(t--)
       {
           if(t == 0)
               break;
          
           printf("%d ",t);
       }
       printf(" ");

   }
}

/*
output:

1
1 2 1
1 2 3 2 1
1 2 3 4 3 2 1
1 2 3 4 5 4 3 2 1
1 2 3 4 5 6 5 4 3 2 1
1 2 3 4 5 6 7 6 5 4 3 2 1
1 2 3 4 5 6 7 8 7 6 5 4 3 2 1

*/

Related Questions

Navigate

• Browse (All)
• Browse W
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.