working version: displays only bests results so far.

Makefile

@@ -1,6 +1,7 @@
 SHELL := /bin/bash
-#CFLAGS := -w -O3
-CFLAGS := -w -g -pg -DDEBUG
+CFLAGS := -w -O3 -pg
+#CFLAGS := -w -g -pg -DDEBUG
+#CFLAGS := -w -g -pg -DDEBUG
 TIME := \time -f "\ttime: %E real, %U user, %S sys\n\tcontext-switch:\t%c+%w, page-faults: %F+%R\n"
 export PATH := .:$(PATH)
 
@@ -13,13 +14,15 @@ OBJS=$(TARGETS:=.o)
 all: $(TARGETS)
 
 lceb: $(OBJS)
+	$(CC) $(CFLAGS) -DSTANDALONE -o $@ $^
 
-tree: tree.c lceb.h
+tree: tree.c
 	$(CC) $(CFLAGS) -DSTANDALONE -o $@ $?
-oper: oper.c lceb.h
+oper: oper.c
 	$(CC) $(CFLAGS) -DSTANDALONE -o $@ $?
 
-eval.o stack.o best.o: lceb.h
+lceb.o tree.o oper.o eval.o stack.o best.o: lceb.h
+tree oper: lceb.h
 
 ex2: ex2-c
 	@$(TIME) ex2-c < $(INPUT)