数据结构实验之链表七:单链表中重复元素的删除
Description
Input
Output
Sample Input
10 21 30 14 55 32 63 11 30 55 30
Sample Output
10 30 55 30 11 63 32 55 14 30 21 7 30 55 11 63 32 14 21
Hint
#include<stdio.h> #include<stdlib.h> struct node{ int data; struct node *next; }; struct node *creat(int n){ struct node *head, *tail, *p; head = (struct node *)malloc(sizeof(struct node)); head->next = NULL; tail = head; for(int i=0; i<n; i++){ p = (struct node *)malloc(sizeof(struct node)); scanf("%d", &p->data); p->next = head->next; head->next = p; } return head; }; struct node *del(struct node *head, int n){ struct node *q, *s, *t; q = head->next; while(q != NULL){ s = q; while(s->next != NULL){ if(s->next->data == q->data){ t = s->next; s->next = t->next; free(t); n--; } else s = s->next; } q = q->next; } printf("%d\n", n); return head; }; int main(){ int n; scanf("%d", &n); struct node *q, *head, *t; q = head = creat(n); printf("%d\n", n); while(q->next != NULL){ q->next->next == NULL? printf("%d", q->next->data): printf("%d ", q->next->data); q = q->next; } printf("\n"); t = del(head, n); while(t->next != NULL){ t->next->next == NULL? printf("%d", t->next->data): printf("%d ", t->next->data); t = t->next; } printf("\n"); return 0; }