save rom while running

Author: DataEraserC

c/koishi/src/koishi.c

@@ -7,5 +7,6 @@ LEVEL getlevel(){
     3.hard\n\
     4.extreme\n");
     scanf("%d",&l);
+    rewind(stdin);
     return l;
 }

cpp/koishi/src/koishi.cpp

@@ -1,11 +1,13 @@
 #include "../include/koishi.hpp"
 LEVEL getlevel(){
-    short int l;
+    char l;
     std::cout << "please input the level number:" << std::endl << 
     "1.easy" << std::endl << 
     "2.normal" << std::endl << 
     "3.hard" << std::endl << 
     "4.extreme" << std::endl;
     std::cin >> l;
-    return (LEVEL)l;
+    std::cin.clear();
+    std::cin.ignore(1024,'\n');
+    return (LEVEL)(l-48);
 }