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Data_Structure/作業/unit4/DS4_try.c

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更新我的作業
2025-01-20 21:30:53 +08:00
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#define MAX_NAME_LENGTH 24
FILE* file;
// <20>w<EFBFBD>q<EFBFBD>ǥ͸`<60>I<EFBFBD><49><EFBFBD>c
typedef struct Student {
char name[MAX_NAME_LENGTH];
int english;
int math;
struct Student* llink;
struct Student* rlink;
} Student;
Student *head, *tail, *current, *prev, *temp;
//<2F>]<5D>@<40><> head<61>A<EFBFBD>N<EFBFBD><4E><EFBFBD>k<EFBFBD>쵲<EFBFBD>ҫ<EFBFBD><D2AB>V<EFBFBD><56><EFBFBD><EFBFBD>
void init_f() {
head = (Student *) malloc(sizeof(Student)); // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> head
head->llink = head; // <20><><EFBFBD>쵲<EFBFBD><ECB5B2><EFBFBD>V<EFBFBD>ۤv
head->rlink = head; // <20>k<EFBFBD>쵲<EFBFBD><ECB5B2><EFBFBD>V<EFBFBD>ۤv
tail = head;
}
// <20>b<EFBFBD><62><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>J<EFBFBD>s<EFBFBD>ǥ͸`<60>I
void insertStudent(char* name, int english, int math) {
Student* newNode = (Student*)malloc(sizeof(Student));
strcpy(newNode->name, name);
newNode->english = english;
newNode->math = math;
if(head->rlink == tail) {
// <20>o<EFBFBD>O<EFBFBD>Ĥ@<40>Ӵ<EFBFBD><D3B4>J<EFBFBD><4A><EFBFBD>`<60>I
head->rlink = newNode;
tail->llink = newNode;
newNode->llink = head;
newNode->rlink = tail;
} else {
//<2F><><EFBFBD>O<EFBFBD>Ĥ@<40><> <20><><EFBFBD>J<EFBFBD><4A><EFBFBD><EFBFBD>
newNode->llink = tail->llink;
newNode->rlink = tail;
tail->llink->rlink = newNode;
tail->llink = newNode;
}
}
// <20><><EFBFBD><EFBFBD>**<2A>᪺<EFBFBD>W<EFBFBD>[<5B>δ<EFBFBD><CEB4>ָ<EFBFBD><D6B8><EFBFBD>
void modify_list(){
char name[MAX_NAME_LENGTH];
int english, math;
char line[100];
// while(fgets(line, sizeof(line), file)!=NULL){
// if(line[0]=='+'){
// sscanf(line+2, "%23[^\t]\t%d\t%d\n", name, &english, &math);
// printf("\n*******************************\n");
// printf("<22>W<EFBFBD>[<5B>@<40><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>\n\n");
// printf("%s\n",name);
// add_data(name, english, math);
// printStudentList();
// }else if(line[0]=='-'){
// sscanf(line+2, "%23[^\t]\t%d\t%d\n", name, &english, &math);
// printf("\n*******************************\n");
// printf("<22><><EFBFBD>֤@<40><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>\n\n");
// printf("%s\n",name);
// remove_data(name);
// printStudentList();
// }
// }
fclose(file);
}
//<2F>W<EFBFBD>[<5B><><EFBFBD><EFBFBD>
void add_data(char* name, int english, int math){
Student* newNode = (Student*)malloc(sizeof(Student));
strcpy(newNode->name, name);
newNode->english = english;
newNode->math = math;
newNode->llink = tail->llink;
newNode->rlink = tail;
tail->llink->rlink = newNode;
tail->llink = newNode;
printf("%s <20>w<EFBFBD>W<EFBFBD>[\n", name);
}
//<2F><><EFBFBD>ָ<EFBFBD><D6B8><EFBFBD>
void remove_data(char* name){
prev = head;
current = head->rlink;
while(current!=tail &&strcmp(name,current->name)!=0){
prev=current;
current=current->rlink;
}
if(current != head){
current->rlink->llink = prev;
prev->rlink = current->rlink;
printf("%s <20>w<EFBFBD>Q<EFBFBD>R<EFBFBD><52>\n", name);
free(current);
}else /* <20>䤣<EFBFBD><E4A4A3><EFBFBD><EFBFBD><EFBFBD>ƫh<C6AB><68><EFBFBD>ܿ<EFBFBD><DCBF>~ */
printf(" %s <20><><EFBFBD>b<EFBFBD><62><EFBFBD>C<EFBFBD><43>\n", name);
}
// <20>q<EFBFBD><71><EFBFBD><EFBFBD>Ū<EFBFBD><C5AA><EFBFBD>ǥ͸<C7A5><CDB8><EFBFBD>
void readStudentsFromFile(char* filename) {
file = fopen(filename, "r");
if (file == NULL) {
printf("<EFBFBD>L<EFBFBD>k<EFBFBD>}<7D><><EFBFBD>ɮ<EFBFBD> %s\n", filename);
return;
}
char line[100];
int lineCount = 0;
// <20><><EFBFBD>L<EFBFBD>e<EFBFBD>|<7C><>
// <20><><EFBFBD>|<7C><>
while (lineCount < 4 && fgets(line, sizeof(line), file)) {
lineCount++;
}
// Ū<><C5AA><EFBFBD>ǥ͸<C7A5><CDB8><EFBFBD>
char name[MAX_NAME_LENGTH];
int english, math;
// %23[^\t]<5D><><EFBFBD>uŪ<75><C5AA><EFBFBD>̦h23<32>Ӧr<D3A6>šA<C5A1><41><EFBFBD><EFBFBD><EFBFBD>J<EFBFBD><4A>\t<><74><EFBFBD><EFBFBD><EFBFBD>v ^<5E><><EFBFBD>D <20><><EFBFBD>O\t<>NŪ
// <20>Y<EFBFBD><59><EFBFBD>\Ū<><C5AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ʒ|<7C>^<5E><>3 <20>YŪ<59><C5AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20>uŪ<75><C5AA>name<6D>ΨSŪ<53><C5AA><EFBFBD><EFBFBD><EFBFBD>ƫh<C6AB>^<5E>ǭȤ<C7AD><C8A4><EFBFBD><EFBFBD><EFBFBD>3
while(fgets(line, sizeof(line), file)!=NULL){
if(isalpha(line[0])){
sscanf(line, "%23[^\t]\t%d\t%d\n", name, &english, &math);
insertStudent(name, english, math);
}else if(line[0]=='*'){
break;
}
}
}
// <20>C<EFBFBD>L<EFBFBD>ǥͦC<CDA6><43>
void printStudentList() {
Student* current = head->rlink;
printf("<EFBFBD>q<EFBFBD>Y<EFBFBD>}<7D>l\n");
printf("\n<EFBFBD>m<EFBFBD>W\t\t<EFBFBD>^<5E><>\t<EFBFBD>ƾ<EFBFBD>\n");
printf("--------------------------------\n");
while (current != tail) {
printf("%-15s\t%d\t%d\n", current->name, current->english, current->math);
current = current->rlink;
}
current = tail->llink;
printf("\n<EFBFBD>q<EFBFBD><EFBFBD><EFBFBD>}<7D>l\n");
printf("\n<EFBFBD>m<EFBFBD>W\t\t<EFBFBD>^<5E><>\t<EFBFBD>ƾ<EFBFBD>\n");
printf("--------------------------------\n");
while (current != head) {
printf("%-15s\t%d\t%d\n", current->name, current->english, current->math);
current = current->llink;
}
}
void sort_name(){
Student* temp ;
Student* current;
//<2F>Y<EFBFBD>S<EFBFBD><53><EFBFBD><EFBFBD><EFBFBD>ƩΥu<CEA5><75><EFBFBD>@<40><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if (head->rlink == tail || head->rlink->rlink == tail) {
return;
}
int flag = 1;
while(flag){
flag = 0;
current = head->rlink;
while(current->rlink != tail){
temp = current->rlink;
if(strcmp(current->name,temp->name) < 0){
// <09>u<EFBFBD>ϥΨ<CFA5><CEA8>Ӹ`<60>I<EFBFBD>i<EFBFBD><69><EFBFBD>`<60>I<EFBFBD>洫
// <09>n<EFBFBD>`<60>N<EFBFBD><4E><EFBFBD>Ч<EFBFBD><D0A7>ܫ᪺<DCAB><E1AABA><EFBFBD><EFBFBD>
// <09>Y<EFBFBD>U<EFBFBD>C<EFBFBD>{<7B><><EFBFBD><EFBFBD><EFBFBD>ǥ洫<C7A5><E6B4AB><EFBFBD>Ы<EFBFBD><D0AB>V<EFBFBD><56><EFBFBD><EFBFBD><EFBFBD>}<7D>|<7C>X<EFBFBD><58>
// <09>]<5D>i<EFBFBD>H<EFBFBD>h<EFBFBD>ŧi<C5A7><69><EFBFBD>Ӹ`<60>I <20><><EFBFBD><EFBFBD>current->llink<6E><6B>temp->rlink
// <09>o<EFBFBD>˴N<CBB4>i<EFBFBD>H<EFBFBD>L<EFBFBD><4C><EFBFBD><EFBFBD><EFBFBD>޶<EFBFBD><DEB6><EFBFBD>
temp->llink = current->llink;
current->rlink = temp->rlink;
temp->rlink->llink = current;
temp->rlink = current;
current->llink->rlink = temp;
current->llink = temp;
flag = 1;
}
else{
current = current->rlink;
}
}
}
print("<EFBFBD>H<EFBFBD>W<EFBFBD>r<EFBFBD>Ƨ<EFBFBD>\n");
// printStudentList();
}
void sort_eng(){
Student* temp ;
Student* current;
//<2F>Y<EFBFBD>S<EFBFBD><53><EFBFBD><EFBFBD><EFBFBD>ƩΥu<CEA5><75><EFBFBD>@<40><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if (head->rlink == tail || head->rlink->rlink == tail) {
return;
}
int flag = 1;
while(flag){
flag = 0;
current = head->rlink;
while(current->rlink != tail){
temp = current->rlink;
if(current->english < temp->english){
// <09>u<EFBFBD>ϥΨ<CFA5><CEA8>Ӹ`<60>I<EFBFBD>i<EFBFBD><69><EFBFBD>`<60>I<EFBFBD>洫
// <09>n<EFBFBD>`<60>N<EFBFBD><4E><EFBFBD>Ч<EFBFBD><D0A7>ܫ᪺<DCAB><E1AABA><EFBFBD><EFBFBD>
// <09>Y<EFBFBD>U<EFBFBD>C<EFBFBD>{<7B><><EFBFBD><EFBFBD><EFBFBD>ǥ洫<C7A5><E6B4AB><EFBFBD>Ы<EFBFBD><D0AB>V<EFBFBD><56><EFBFBD><EFBFBD><EFBFBD>}<7D>|<7C>X<EFBFBD><58>
// <09>]<5D>i<EFBFBD>H<EFBFBD>h<EFBFBD>ŧi<C5A7><69><EFBFBD>Ӹ`<60>I <20><><EFBFBD><EFBFBD>current->llink<6E><6B>temp->rlink
// <09>o<EFBFBD>˴N<CBB4>i<EFBFBD>H<EFBFBD>L<EFBFBD><4C><EFBFBD><EFBFBD><EFBFBD>޶<EFBFBD><DEB6><EFBFBD>
temp->llink = current->llink;
current->rlink = temp->rlink;
temp->rlink->llink = current;
temp->rlink = current;
current->llink->rlink = temp;
current->llink = temp;
flag = 1;
}
else{
current = current->rlink;
}
}
}
print("<EFBFBD>H<EFBFBD>^<5E>妨<EFBFBD>Z<EFBFBD>Ƨ<EFBFBD>\n");
// printStudentList();
}
void sort_math(){
Student* temp ;
Student* current;
//<2F>Y<EFBFBD>S<EFBFBD><53><EFBFBD><EFBFBD><EFBFBD>ƩΥu<CEA5><75><EFBFBD>@<40><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if (head->rlink == tail || head->rlink->rlink == tail) {
return;
}
int flag = 1;
while(flag){
flag = 0;
current = head->rlink;
while(current->rlink != tail){
temp = current->rlink;
if(current->math < temp->math){
// <09>u<EFBFBD>ϥΨ<CFA5><CEA8>Ӹ`<60>I<EFBFBD>i<EFBFBD><69><EFBFBD>`<60>I<EFBFBD>洫
// <09>n<EFBFBD>`<60>N<EFBFBD><4E><EFBFBD>Ч<EFBFBD><D0A7>ܫ᪺<DCAB><E1AABA><EFBFBD><EFBFBD>
// <09>Y<EFBFBD>U<EFBFBD>C<EFBFBD>{<7B><><EFBFBD><EFBFBD><EFBFBD>ǥ洫<C7A5><E6B4AB><EFBFBD>Ы<EFBFBD><D0AB>V<EFBFBD><56><EFBFBD><EFBFBD><EFBFBD>}<7D>|<7C>X<EFBFBD><58>
// <09>]<5D>i<EFBFBD>H<EFBFBD>h<EFBFBD>ŧi<C5A7><69><EFBFBD>Ӹ`<60>I <20><><EFBFBD><EFBFBD>current->llink<6E><6B>temp->rlink
// <09>o<EFBFBD>˴N<CBB4>i<EFBFBD>H<EFBFBD>L<EFBFBD><4C><EFBFBD><EFBFBD><EFBFBD>޶<EFBFBD><DEB6><EFBFBD>
temp->llink = current->llink;
current->rlink = temp->rlink;
temp->rlink->llink = current;
temp->rlink = current;
current->llink->rlink = temp;
current->llink = temp;
flag = 1;
}
else{
current = current->rlink;
}
}
}
print("<EFBFBD>H<EFBFBD>ƾǦ<EFBFBD><EFBFBD>Z<EFBFBD>Ƨ<EFBFBD>\n");
// printStudentList();
}
int main() {
init_f();
readStudentsFromFile("YunTechStudents.txt");
// printStudentList();
modify_list();
sort_name();
sort_math();
sort_eng();
return 0;
}
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