2 files changed, 8 insertions, 0 deletions
diff --git a/1/1.c b/1/1.c
index 54a88e9..022c067 100644
--- a/1/1.c
+++ b/1/1.c
@@ -3,4 +3,5 @@
 int main(int argc, char *argv[])
 {
     printf("hello, world\n");
+    return 0;
 }
diff --git a/1/2.c b/1/2.c
new file mode 100644
index 0000000..2732133
--- /dev/null
+++ b/1/2.c
@@ -0,0 +1,7 @@
+#include <stdio.h>
+
+int main(int argc, char *argv[])
+{
+    printf("hello \c world\n");
+    return 0;
+}