CFLAGS = -g -Wall -Wshadow -O
CC     = g++
LINK   = g++

sudoku: sudoku.o intset.o
	$(LINK) -o sudoku sudoku.o intset.o 

sudoku.o: sudoku.cpp intset.h
	$(CC) $(CFLAGS) -c sudoku.cpp

intset.o: intset.cpp intset.h
	$(CC) $(CFLAGS) -c intset.cpp

clean: 
	rm sudoku sudoku.o intset.o

run1: sudoku
	./sudoku <puzzle1.txt

test: sudoku
	echo "==========================="
	./sudoku <puzzle1.txt
	echo "==========================="
	./sudoku <puzzle2.txt
	echo "==========================="
	./sudoku <puzzle3.txt
	echo "==========================="