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学籍管理系统 步骤1.c

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+#include<stdio.h>
+int main()
+{
+	char in;
+	printf("                              1.Input\n");
+	printf("                              2.Output\n");
+	printf("                              3.Order\n");
+	printf("                              4.Quit\n");
+	scanf("%c",&in);
+	switch(in)
+	{
+		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");
+	}
+	return 0;
+}