原题链接:[编程入门]链表合并
解题思路:先创单链表,然后本题考查的就是单链表的增删改查基本操作,最后多了排序,我们先将信息存进去,然后合并,再排序,最后输出;
注意事项:一定要抽象清晰,基础扎实
参考代码:
#include<iostream>
#include<stdlib.h>
using namespace std;
typedef struct Node{
int student_id;
int student_grade;
struct Node* next;
}student;
student* fListCreate(){
student *p = (student*)malloc(sizeof(student));
if(p == NULL)
return NULL;
p->next = NULL;
return p;
}
void fListTraverse(student *head){
student *tra;
for(tra = head -> next; tra != NULL; tra = tra -> next){
cout << tra -> student_id << ' ' << tra -> student_grade << endl;
}
}
void fListIncrease(student *ptr, int student_id, int student_grade){
student *inc = (student *)malloc(sizeof(student));
student *tra;
inc -> student_id = student_id;
inc -> student_grade = student_grade;
for(tra = ptr; tra -> next != NULL; tra = tra -> next){
}
tra -> next = inc;
inc -> next = NULL;
}
void fListBubbleSort(student *head){
student *tra, *temp;
for(tra = head; tra -> next != NULL; tra = tra -> next){
for(temp = tra -> next; temp != NULL; temp = temp -> next){
if(tra -> student_id > temp -> student_id){
int id = tra -> student_id;
int grade = tra -> student_grade;
tra -> student_id = temp -> student_id;
tra -> student_grade = temp -> student_grade;
temp -> student_id = id;
temp -> student_grade = grade;
}
}
}
}
int main()
{
int N,M;
int id, grade;
student *a;
student *b;
a = fListCreate();
b = fListCreate();
cin >> N >> M;
for(int i = 0; i < N; i++){
cin >> id >> grade;
fListIncrease(a, id, grade);
}
for(int i = 0; i < M; i++){
cin >> id >> grade;
fListIncrease(b, id, grade);
}
for(student *tra = b -> next; tra != NULL; tra = tra -> next)
{
id = tra -> student_id;
grade = tra -> student_grade;
fListIncrease(a, id, grade);
}
fListBubbleSort(a);
fListTraverse(a);
free(a);
free(b);
return 0;
}0.0分
1 人评分
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