17.编写一个算法,将带头结点的单向链表拆分成一个奇数链表和一个偶数链表,并分别输出

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#include <bits/stdc++.h>
using namespace std;
typedef struct Node
{
int elem;
struct Node *next;
}*Linklist;
void inlinklist(Linklist &l, int n)
{
l = (Linklist)malloc(sizeof(Node));
l->next = NULL;
Linklist p, END;//定义尾部节点
END = l;
printf("请输入想要创建的链表元素:\n");
for(int i = 0; i < n; i++)
{
p = (Linklist)malloc(sizeof(Node));
scanf("%d", &p->elem);
END -> next = p;
p->next = NULL;
END = p;
}
}
void outlinklist(Linklist l)
{
printf("链表中的值为:\n");
Linklist p;
p = l->next;
while(p != NULL)
{
printf("%d ", p->elem);
p = p->next;
}
printf("\n");
}
void splitlinklist(Linklist &l1, Linklist &l2, Linklist &l3)
{
l2 = (Linklist)malloc(sizeof(Linklist));
l3 = (Linklist)malloc(sizeof(Linklist));
Linklist p, q, s;
p = l1;
q = l2;
s = l3;
p = l1 -> next;
q -> next = s -> next = NULL;
while(p)
{
if(p->elem % 2 == 1)
{
q -> next = p;
//printf("q的元素值:%d\n", q -> elem);
p = p -> next;
q = q -> next;
q -> next = NULL;
}
else if(p->elem % 2 == 0)
{
s -> next = p;
//printf("s的元素值:%d\n", s -> elem);
p = p -> next;
s = s -> next;
s -> next = NULL;
}
}
}
int main(void)
{
ios::sync_with_stdio(false);
cin.tie(0);
Linklist L1, L2, L3;
int n;
printf("请输入创建n个元素的链表的n值:\n");
scanf("%d", &n);
inlinklist(L1, n);
splitlinklist(L1, L2, L3);
outlinklist(L2);
outlinklist(L3);
return 0;
}
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1.已知顺序表L的长度为n,试编写算法实现在顺序表中删除值为elem的数据元素(其中n与elem从键盘输入)

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#include <bits/stdc++.h>
using namespace std;
const int maxn = 1000 + 10;
typedef struct node
{
int *arr;
int length;
int maxsize;
}sqlist;
void createsqlist(sqlist &l)
{
l.arr = (int*)malloc(maxn * sizeof(int));
l.length = 0;
l.maxsize = maxn;
}
void insqlist(sqlist &l, int n)
{
int *p;
printf("请依次输入数字来创建顺序表:\n");
for(p = l.arr; p < l.arr + n; p++)
{
scanf("%d", p);
}
l.length = n;
}
void outsqlist(sqlist l)
{
int *p;
printf("顺序表的元素为:\n");
for(p = l.arr; p < l.arr + l.length; p++)
printf("%d ", *p);
}
void deletesqlist(sqlist &l, int elem)
{
int i = 0;
while(i < l.length && l.arr[i] != elem)
i++;
for(int j = i + 1; j < l.length; j++)
{
if(l.arr[j] != elem)
{
l.arr[i++] = l.arr[j];
}
}
l.length = i;
}

int main(void)
{
ios::sync_with_stdio(false);
cin.tie(0);
int n, elem;
sqlist L;
createsqlist(L);
printf("请输入n个元素:\n");
scanf("%d", &n);
insqlist(L, n);
printf("请输入删除的元素值:\n");
scanf("%d", &elem);
deletesqlist(L, elem);
outsqlist(L);
return 0;
}
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