rectification

exo1/Makefile

 #The compiler
 CC:=gcc
 #The flags passed to the compiler
-CFLAGS:=-g -std=c99 -Ofast -Wall -Wextra -fsanitize=address -fsanitize=leak -std=gnu11
+CFLAGS:=-g -Ofast -Wall -Wextra -fsanitize=address -fsanitize=leak -std=gnu11 -pedantic 
 #The flags passed to the linker
 LDFLAGS:=-lm 
 
+exo1: exo1.c
+	$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS)
 
 
-ex1: ex1.c
-	$(CC) $(CFLAGS) -c $@ $^ $(LDFLAGS)
-
 clean:
-	rm -f *.o ex1
+	rm -f exo1

exo1/exo1.c

+#include <stdio.h>
+#include <stdlib.h>
+
+int main() {
+    return 0;
+}
\ No newline at end of file

exo2/Makefile

@@ -7,8 +7,8 @@ LDFLAGS:=-lm
 
 
 
-ex2: ex2.c
+exo2: exo2.c
 	$(CC) $(CFLAGS) -c $@ $^ $(LDFLAGS)
 
 clean:
-	rm -f *.o ex2
+	rm -f *.o exo2