Update expand222.cpp

brucefan1983 · web-flow · commit 62c8efcfd67b · 2020-12-09T23:09:54.000+08:00
diff --git a/tools/construct_train.in/expand222.cpp b/tools/construct_train.in/expand222.cpp
@@ -4,7 +4,7 @@
     Compile:
         g++ -O3 expand222.cpp
     Run:
-        ./a.out < input.txt
+        ./a.out
     Author:
         Zheyong Fan <brucenju(at)gmail.com>
 */
