Pascal Triangle Program using C Programming Language

 #include   <stdio.h>

long   int  iterativeFactorial( long   int  input);

int  main()

{

long   int  number, fact1, fact2, fact3;

printf( "Pascal's Triangle \n" );

printf( "\n" );

printf( "Enter a Whole Number (max. 12): " );

scanf( "%ld" , &number);

printf( "\n" );

if  (number > 12) {

printf( "Number > 12 \n" );

printf( "\n" );

return  1;

}

for  ( int  i = 0; i <= number; i++) {

fact1 = iterativeFactorial(i);

for  ( int  j = number; j > i; j--) {

printf( "   " );

}

for  ( int  j = 0; j <= i; j++) {

int  k;

k = i - j;

fact2 = iterativeFactorial(k);

fact3 = iterativeFactorial(j);

//Binomial Coefficient

printf( "%03ld   " , (fact1 / (fact2*fact3)));

}

printf( "\n" );

}

printf( "\n" );

return  0;

}

long   int  iterativeFactorial( long   int   input )

{

int  factorial = 1;

for  ( int  i = 1; i <=  input ; i++) {

factorial *= i;

}

return  factorial;

}