1)write a program in c for sudoku..(u can always find them in the NEWSPAPERS..)

2)write a program in c to create a  snake game..( u must have played it on ur mobile phones..)

3)write a program in c to manage a RAILWAYS TIME TABLE..(its easy wid java....but wid c u may take several months along..)

4)write a c program which  asks the user to enter the drive name and a song on that drive...and on execution it should play the respective song..(interesting na???)

5)write a c program to find the determinant of a matrix..(socho--socho..)