16. 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 2 3 4 5

1 2 3 4


1 2 3



1 2




1

Ans.
/*c program for number triangle pyramid*/
#include<stdio.h>
#include<conio.h>
int main()
{
 int num,r=1,c,sp;
 printf("Enter loop repeat number(rows):");
 scanf("%d",&num);
 for(; num>=1; num--,r++)
 {
  for(sp=r; sp>1; sp--)
     printf(" ");
  for(c=1; c<=num; c++)
     printf("%d",c);
  printf("\n");
 }
 getch();
 return 0;
}
/****************OUTPUT***********
Enter loop repeat number(rows): 5

12345

1234


123



12




1

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