diff --git a/main.cc b/main.cc
index f0f5832..dfbc911 100644
--- a/main.cc
+++ b/main.cc
@@ -2,8 +2,15 @@
 
 using namespace std;
 
-int main() {
+void output(){   //循环输出1-100
+    for(int i = 1; i <= 100; i++){
+        cout << i << endl;
+    }
+    return;
+}
 
+int main() {
+    output();
     cout << "hello world!" << endl;
     cout << "hello too!" << endl;
     return 0;