Shulou(Shulou.com)06/02 Report--

Next- > data.age) {temp- > data = p-> data; p-> data = p-> next- > data; p-> next- > data = temp- > data;} p = p-> next;} p = Q-> next; Q = p;} printf ("\ nThe sorted information is as follows:\ n") While (w! = NULL) {/ / output the sorted linked list printf ("% s\ t% s\ t% c\ t% d\ t% d\ t% s\ t% s\ n", w-> data.num,w- > data.name,w- > data.sex,w- > data.age,w- > data.clas,w- > data.mail,w- > data.number); w = w-> next;} system ("pause"); out (head); s * k; padded headline-> next While (paired empty null) {/ / empty the linked list, only head is left to facilitate the subsequent operation of kumbp-> next; free (p); pairk;} head- > next=NULL; printf ("return to the main menu in three seconds"); Sleep (3000); menu ();} void account () {int n; char date [25]; char item [40]; char S1 [45]; char count [12]; FILE * fp If ((fp=fopen ("account.txt", "at")) = = NULL) {printf ("Cannot open file strike any key exit!"); getch (); exit (1);} printf ("Please enter number of times"); scanf ("% d", & n); while (n) {printf ("Please enter name\ n"); scanf ("% s", & S1); fputs ("s", & S1); printf ("Please enter date\ n") Scanf ("% s", & date); fputs (date,fp); printf ("Please enter name\ n"); scanf ("% s", & item); fputs (item,fp); printf ("Please enter amount"); scanf ("% s", & count); fputs (count,fp); Nmurf;} fclose (fp); printf ("return to main menu in three seconds"); Sleep (3000); menu () } void print () {/ / print all financial data char str [10000]; FILE * fp; int qq; if ((fp=fopen ("account.txt", "rt")) = = NULL) {printf ("Cannot open file strike any key exit!"); getch (); exit (1);} fgets (str,1000,fp); / / get file content printf ("% s", str) / / print content printf ("\ n"); printf ("1 returns to main menu"); fclose (fp); / / close file scanf ("% d", & qq); if (qq==1) {menu ();}} void printall () {/ / print all student information functions char str [1000]; FILE * fp; int qq If ((fp=fopen ("student.txt", "rt")) = = NULL) {printf ("Cannot open file strike any key exit!"); getch (); exit (1); / / No file exit program} while ((fgets (str,1024,fp))! = NULL) {printf (str);} / / print content fclose (fp) / / close file printf ("1 returns to main menu"); scanf ("% d", & qq); if (qq==1) {menu ();}} void first () {/ / read file FILE * fp,*fp1; / * definition file pointer * / char s [9], S1 [9], S2 [9], S3 [9], ch,n; int I; ch='_' If ((fp=fopen ("file.txt", "r")) = = NULL) {printf ("\ nPlease initialize! \ n "); for

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