2020 day 25 (C): just copied my (lazy/brute-force) bash solution

2020/day25/Makefile

@@ -1,6 +1,6 @@
 INPUT := INPUT.txt
 SHELL := /bin/bash
-CFLAGS := -w -g
+CFLAGS := -w -g -O3
 #CFLAGS := -w -g -pg
 #CFLAGS := -w -O3
 TIME := \time -f "\ttime: %E real, %U user, %S sys\n\tcontext-switch:\t%c+%w, page-faults: %F+%R\n"
@@ -13,15 +13,15 @@ all: ex1
 output:
 	@$(MAKE) --no-print-directory all 2>&1 > OUTPUT
 
-compile: ex1-c ex2-c
+compile: ex1-c
 
-ex1:
+ex1: ex1-c
 	@$(TIME) ex1.bash < $(INPUT) 2>&1
-	@#$(TIME) ex1-c 2020 < $(INPUT) 2>&1
+	@$(TIME) ex1-c < $(INPUT) 2>&1
 
 ex2:
-	@$(TIME) ex2.bash < $(INPUT) 2>&1
-	@#$(TIME) ex1-c 30000000 < $(INPUT) 2>&1
+	@#$(TIME) ex2.bash < $(INPUT) 2>&1
+	@#$(TIME) ex1-c < $(INPUT) 2>&1
 
 clean:
 	@rm -f ex1-c ex2-c core