Pattern related coding

Print Pattern

#include < stdio.h >
int main()
{
int row, c, n, temp;
printf("Enter the number of rows in pyramid of stars you wish to see ");
scanf("%d",&n);
temp = n;
for ( row = 1 ; row <= n ; row++ )
{
for ( c = 1 ; c < temp ; c++ )
printf(" ");
temp--;
for ( c = 1 ; c <= 2*row - 1 ; c++ )
printf("*");
printf("\n");
}
return 0;
}


Diamond pattern

#include < stdio.h >
int main()
{
int n, c, k, space = 1;
printf("Enter number of rows\n");
scanf("%d", &n);
space = n - 1;
for (k = 1; k <= n; k++)
{
for (c = 1; c <= space; c++)
printf(" ");
space--;
for (c = 1; c <= 2*k-1; c++)
printf("*");
printf("\n");
}
space = 1;
for (k = 1; k <= n - 1; k++)
{
for (c = 1; c <= space; c++)
printf(" ");
space++;
for (c = 1 ; c <= 2*(n-k)-1; c++)
printf("*");
printf("\n");
}
return 0;
}


Print floyd's triangle

#include < stdio.h >
int main()
{
int n, i, c, a = 1;
printf("Enter the number of rows of Floyd's triangle to print\n");
scanf("%d", &n);
for (i = 1; i < n; i++)
{
for (c = 1; c < i; c++)
{
printf("%d ",a);
a++;
}
printf("\n");
}
return 0;
}


Print pascal triangle

#include < stdio.h >
long factorial(int);
int main()
{
int i, n, c;
printf("Enter the number of rows you wish to see in pascal triangle\n");
scanf("%d",&n);
for ( i = 0 ; i < n ; i++ )
{
for ( c = 0 ; c < = ( n - i - 2 ) ; c++ )
printf(" ");
for( c = 0 ; c < = i ; c++ )
printf("%ld ",factorial(i)/(factorial(c)*factorial(i-c)));
printf("\n");
}
return 0;
}
long factorial(int n)
{
int c;
long result = 1;
for( c = 1; c < = n; c++ )
result = result*c;
return ( result );

}

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