12. Design numbers tringle pyramid

Q. Write a program to generate a following numbers triangle:
   (Where user entered number through keyboard, for example if num=5).
      




1



1 2


1 2 3

1 2 3 4
1 2 3 4 5
Ans.
/*c program for number triangle pyramid*/

#include<stdio.h>
#include<conio.h>
int main()
{
 int num,r,c,sp;
 printf("Enter loop repeat number(rows): ");
 scanf("%d",&num);
 for(r=1; num>=r; r++)
 {
  for(sp=num-r; sp>=1; sp--)
     printf(" ");
  for(c=1; c<=r; c++)
     printf("%d",c);
  printf("\n");
 }
 getch();
 return 0;
}

/*************OUTPUT****************
Enter loop repeat number(rows): 5





1



12


123

1234
12345

************************************/

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