c practice 37

 Answer :

#include<stdio.h>

int main ()

{

int num,r,c,number=1;

printf("Enter the number of Rows : ");

scanf("%d",&num);

for (r=num;r>=1;r--)

{

for (c=1;c<=r;c++)

{

printf("%d",number);

number++;

}

printf("\n");

}

}

Output :