#include????????/*引用庫(kù)函數(shù)*/
#include
#include
#include

/*定義結(jié)構(gòu)體變量出生年月*/
struct?birth{
???????????????????int?year;
???????????????????int?day;
???????????????????};
typedef?struct????????/*定義結(jié)構(gòu)體數(shù)組*/
{
????long?int?num;????????/*學(xué)號(hào)*/
????char?name[10];????????/*姓名*/
????char?sex[4];??????????/*性別*/
????struct?birth?birthyd;?????/*出生年月*/
????char?address[20];?????????/*地址*/
????char?phone[20];??????????/*電話(huà)號(hào)碼*/
????int?scorescoreascoreb;????????/*單科成績(jī)以及總的成績(jī)*/
}Student;
Student?stu[80];????????/*結(jié)構(gòu)體數(shù)組變量*/

int?menu_select（）????????/*菜單函數(shù)*/
{
????char?c;
????do{
????????system（“cls“）;????????/*運(yùn)行前清屏*/
????????printf（“\t\t****HuaShan?Hostel?Management?System****\n“）;????????/*菜單選擇*/
????????printf（“\t\t????|?1.?Input?Student?information?????????????|\n“）;
????????printf（“\t\t????|?2.?Query???????????????????|\n“）;
????????printf（“\t\t????|?3.?Sort?By?Total?Records????????????????|\n“）;
????????printf（“\t\t????|?4.?Display?All?Records??????????????|\n“）;
????????printf（“\t\t????|?5.?Add?Records?From?A?Text?File??????????|\n“）;
????????printf（“\t\t????|?6.?Write?To?A?Text??????????????|\n“）;
????????printf（“\t\t????|?0.?Quit（exit）???????????????|\n“）;
????????printf（“\t\t*****************************************\n“）;
????????printf（“\t\t\tPlease?Give?Your?Choice（0-6）:“）;
????????c=getchar（）;????????/*讀入選擇*/
????}while（c<‘0‘||c>‘9‘）;
????return（c-‘0‘）;????????/*返回選擇*/
}

int?Input（Student?stud[]int?n）????????/*輸入若干條個(gè)人記錄*/
{int?i=0jk;
?char?signx[10];????????/*x[10]為清除多余的數(shù)據(jù)所用*/
?while（sign!=‘n‘&&sign!=‘N‘）????????/*判斷*/
?{
?????printf（“\t\t\tstudent‘s?num:“）;???????/*交互輸入*/
?????scanf（“\t\t\t%ld“&stud[n+i].num）;
?????k=0;
?????/*一下循環(huán)體用來(lái)判斷學(xué)號(hào)的重復(fù)性，若重復(fù)，則提示重新輸入*/
?????for（j=0;j???????{??if（stud[n+i].num==stud[j].num）
?????????????k=k+1;
???????}
?????if（k==1）{
?????printf（“\t\t\tthe?student‘s?number?exists\n“）;
?????continue;?}
?????printf（“\t\t\tstudent‘s?name:“）;
?????scanf（“\t\t\t%s“stud[n+i].name）;
?????printf（“\t\t\tstudent‘s?sex:“）;
?????scanf（“\t\t\t%s“stud[n+i].sex）;
?????printf（“\t\t\tstudent‘s?birth_year:“）;
?????scanf（“\t\t\t%d“&stud[n+i].birthyd.year）;
?????printf（“\t\t\tstudent‘s?birth_month:“）;
?????scanf（“\t\t\t%d“&stud[n+i].birthyd.day）;
?????printf（“\t\t\tstudent‘s?address:“）;
?????scanf（“\t\t\t%s“stud[n+i].address）;
?????printf（“\t\t\tstudent‘s?phone:“）;
?????scanf（“\t\t\t%s“stud[n+i].phone）;
?????printf（“\t\t\tMath_Analyse‘s?score:“）;
?????scanf（“\t\t\t%d“&stud[n+i].scorea）;
?????printf（“\t\t\tArithmetic_Process‘s?score:“）;
?????scanf（“\t\t\t%d“&stud[n+i].scoreb）;
?????stud[n+i].score=stud[n+i].scorea+stud[n+i].scoreb;
?????gets（x）;????????/*清除多余的輸入*/
?????printf（“\t\t\tany?more?records?（Y/N）“）;
?????scanf（“\t\t\t%c“&sign）;????????/*輸入判斷*/
?????i++;
?}
?return（n+i）;
}

void?Query_a_record（Student?stud[]int?n）????????/*查找并顯示一個(gè)記錄*/
{
????Student?nub[10];
????int?i=0;
????printf（“\t\t\tinput?stude