diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..3e0f233
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+a.out
+
diff --git a/hello_world.c b/hello_world.c
new file mode 100644
index 0000000..a14b228
--- /dev/null
+++ b/hello_world.c
@@ -0,0 +1,5 @@
+#include<stdio.h>
+
+int main(){
+    printf("hello world\n");
+}
diff --git a/hello_world.cpp b/hello_world.cpp
new file mode 100644
index 0000000..c7f6f21
--- /dev/null
+++ b/hello_world.cpp
@@ -0,0 +1,5 @@
+#include<iostream>
+
+int main(){
+    std::cout<<"hello world"<<std::endl;
+}