fork download
copy 
  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. typedef struct node {
  5.     int val;
  6.     struct node *next;
  7. }Node;
  8.  
  9. Node *head = NULL;
  10.  
  11. Node* createN(int x){
  12.     Node *newnode;
  13.     newnode = (Node *)malloc(sizeof(Node));
  14.     newnode->val = x;
  15.     newnode->next = NULL;
  16.     return newnode;
  17. }
  18.  
  19. void initL(int n){
  20.     int x,i;
  21.     Node *p;
  22.     scanf("%d",&x);
  23.     head = createN(x);
  24.     p = head;
  25.     for(i=1;i<n;i++){
  26.         scanf("%d",&x);
  27.         p->next = createN(x);
  28.         p = p->next;
  29.     }
  30. }
  31.  
  32. void freeL(){
  33.     Node *p;
  34.     while(head!=NULL){
  35.         p = head->next;
  36.         free(head);
  37.         head = p;
  38.     }
  39. }
  40.  
  41. void printN(Node *a){
  42.     if(a == NULL) printf("NULL\n");
  43.     else printf("%d\n",a->val);
  44. }
  45.  
  46. void printL(){
  47.     Node *p = head;
  48.     while(p != NULL){
  49.         printf("%d ",p->val);
  50.         p = p->next;
  51.     }
  52.     printf("\n");
  53. }
  54.  
  55. Node* getN(int n){
  56.     int i;
  57.     Node *p;
  58.     p = head;
  59.     for(i=1;i<n;i++){
  60.     	p = p->next;
  61.     }
  62.     return p;
  63. }
  64.  
  65. int main(void){
  66.     int i,n,x1;
  67.     Node *k;
  68.     scanf("%d",&n);
  69.     initL(n);
  70.     printL();
  71.     scanf("%d",&x1);
  72.     k = getN(x1);
  73.     printN(k);
  74.     freeL();
  75.     return 0;
  76. }
  77.  
Success #stdin #stdout 0.01s 5280KB
comments (?)
stdin
copy 
4
1 3 5 7
2
stdout
copy 
1 3 5 7 
3
https://ideone.com/HKUob7
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!