text: #include <stdio.h>
  #include <stdlib.h>
  
  long fact(int);
  int main()
  {
  
     int line,j,i;
     printf("Enter the number of lines:");
     scanf("%d",&line);
  
     for (i=0;i<line;i++){
      for (j=0;j<line-i-1;j++){
          printf(" ");
  
      }
      for (j=0;j<=i;j++){
          printf("%ld",fact(i)/(fact(j)*fact(i-j)));
      }
      printf("\n");
     }
      return 0;
  }
  long fact(int num){
      long f=1;
      int i=1;
  
      while (i<=num){
          f=f*i;
          i++;
      }
      return f;
  
  }
  