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step1.cpp

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+#include <stdio.h>
+
+void manage()//¹ÜÀíÖ÷Ì庯Êý
+{
+    printf("                              1.Input\n");
+    printf("                              2.Output\n");
+    printf("                              3.Order\n");
+    printf("                              4.Quit\n");
+    char keywords;
+    keywords = getchar();
+    switch (keywords) {
+    case 'i':
+        printf("You are trying to Input info\n");
+        break;
+    case 'o':
+        printf("You are trying to Output info\n");
+        break;
+    case 'm':
+        printf("You are trying to Make things ordered\n");
+        break;
+    case 'q':
+        printf("You are about to Quit\n");
+        break;
+    default:
+        printf("Wrong input\n");
+        break;
+    }
+}
+int main()
+    {
+        manage();
+        return 0;
+    }