1.
Assume that characters are available and stored at memory location as a,b,p,c,z,d,s,e store them at same location without using any buffer as a,z,b,p,c.
2.
Hexadecimal no to decimal no.
3.
Decimal to hexadecimal number.
4.
Sorting numbers in descending order.
5.
Decimal to octal number.