ADD file via upload

chengxu1.cpp

@@ -0,0 +1,33 @@
+#include <stdio.h>
+
+int main() {
+    char choice;
+
+    while (1) {
+        printf("\n                                 1.Input\n");
+        printf("                                 2.Output\n");
+        printf("                                 3.Order\n");
+        printf("                                 4.Quit\n");
+
+        scanf(" %c", &choice);
+
+        switch (choice) {
+            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");
+                return 0; //Í˳ö³ÌÐò
+            default:
+                printf("Wrong input\n");
+        }
+    }
+
+    return 0;
+}