A guide for begineers to Graphics , Looping, filling

The list of programs help some begineers to progamming in c... List of Programs: ----------------- LcM And HcF of two numbers. Graphics (To Generate a Hut Like Image). Generate A graph paper like image. To generate a robot image. To find minimum Value without Array Odd Numbers between user inputs(in accending or Decending order). Store Prime no in a file... Sum of the rows of a 3 X 4 matrix.. Generate a table of 7. Minimum value in an array. Store 1st 20 compound no s in an array. Sum of the Diagonals of a matrix. Find Divisible of 2 but not using modulas operator. To generate nos divisible by 2 not by 5. Generate Even nos between limit..