Chin-Kai Chang 
chinkaic@usc.edu
7557-0110-81
CSCI460 HW1 8-Queens problem

Compile: g++ -o out source.cpp

Usage: program n output_file_name
n should between 0~10

The search fuction is in 	
  bool solve(int y) {}
Solve by depth-first recursive 

In the top of source code,
if bool DISP = true; then it will also print the screen
else only output to file.

The output file will keep append on EOF.