//5.3Рvoid find_8();//5.4Рvoid load_1();//读stu_list_1中的数据Рvoid main()Р{Р?int i,j;Р?printf("what do you want to do?\nplease input the number according to the explaination.\n");Р?for(i=1;i<12;i++)Р printf("if you input %d;then it will work out the %d.\n",i,i);Р?printf("If you are first use it,please input 1,2 or 3.\nNow please input the number:\n");Р?scanf("%d",&j);Р?switch(j)Р?{Р?case 1:scan_1();save_1();break; //1Р?case 2:scan_2();save_2();change_1();break; //2Р?case 3:scan_3();save_3();change_2();break; //3Р?case 4:find_1();break;//4.1Р?case 5:find_2();break;//4.2Р?case 6:find_3();break;//4.3Р?case 7:find_4();break;//4.4Р?case 8:find_5();break;//5.1Р?case 9:find_6();break;//5.2Р?case 10:find_7();break;//5.3Р?case 11:find_8();break;//5.4Р?default:printf("error\n");Р?}Р}Рvoid scan_1()//输入库存