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C program to print Pascal triangle

. 1
1 1
1 2 1
1 3 3 1

#include

long factorial(int);

int main()
{
int i, n, c;

printf(“Enter the number of rows you wish to see in pascal triangle
“);
scanf(”%d”,&n);

for ( i = 0 ; i < n ; i++ )
{
for ( c = 0 ; c <= ( n - i - 2 ) ; c++ )
printf(" ");

  for( c = 0 ; c &lt;= i ; c++ )
     printf("%ld ",factorial(i)/(factorial(c)*factorial(i-c)));

  printf("

");
}

return 0;
}

long factorial(int n)
{
int c;
long result = 1;

for( c = 1 ; c <= n ; c++ )
result = result*c;

return ( result );
}