Time Limit: 1000MS
Memory Limit: 65536KB
Submit
Statistic
Problem Description
给出一个只有头指针的链表和 n 次操作,每次操作为在链表的第 m 个元素后面插入一个新元素x。若m 大于链表的元素总数则将x放在链表的最后。
Input
多组输入。每组数据首先输入一个整数n(n∈[1,100]),代表有n次操作。
接下来的n行,每行有两个整数Mi(Mi∈[0,10000]),Xi。
Output
对于每组数据。从前到后输出链表的所有元素,两个元素之间用空格隔开。
Example Input
4
1 1
1 2
0 3
100 4
Example Output
3 1 2 4
Hint
Author
#include<stdio.h>
#include<stdlib.h>
struct node
{
int data;
struct node*next;
};
struct node*add(int m, int x,struct node*head)
{
struct node*q;
q = (struct node*)malloc(sizeof(struct node));
q->data = x;
q->next = NULL;
struct node*p = head->next;
struct node*pp = head;
while(m--&&p)
{
p = p->next;
pp = pp->next;
}
if(m)
{
pp->next = q;
q->next = p;
}
else
{
pp->next = q;
q->next = NULL;
}
return head;
}
int main()
{
int n, m ,x;
while(~scanf("%d ",&n))
{
struct node*head;
head = (struct node*)malloc(sizeof(struct node));
head->next = NULL;
while(n--)
{
scanf("%d%d",&m,&x);
head = add(m,x,head);
}
head = head->next;
while(head)
{
printf("%d",head->data);
head = head->next;
if(head)
printf(" ");
}
printf("\n");
}
return 0;
}
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