fix(reference/cstdio/printf): 出力の修正

akinomyoga · akinomyoga · commit f826da1f1e6b · 2025-07-11T21:08:54.000+09:00
diff --git a/reference/cstdio/printf.md b/reference/cstdio/printf.md
@@ -25,6 +25,7 @@ int main() {
 ### 出力
 ```
 Hello, World!
+123
 ```
 
 ## 処理系
