1 files changed, 1 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;
 }