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  1. // sennkei list
  2.  
  3. #include <stdio.h>
  4. #include <stdlib.h>
  5.  
  6. typedef struct node {
  7.     int val;
  8.     struct node *next;
  9. }Node;
  10.  
  11. Node *head = NULL;
  12.  
  13. Node* createN(int x){
  14.     Node *newnode;
  15.     newnode = (Node *)malloc(sizeof(Node));
  16.     printf("a%lda", sizeof(Node));
  17.     newnode->val = x;
  18.     newnode->next = NULL;
  19.     return newnode;
  20. }
  21.  
  22. void initL(int n){
  23.     int x,i;
  24.     Node *p;
  25.     scanf("%d",&x);
  26.     head = createN(x);
  27.     p = head;
  28.     for(i=1;i<n;i++){
  29.         scanf("%d",&x);
  30.         p->next = createN(x);
  31.         p = p->next;
  32.     }
  33. }
  34.  
  35. void freeL(){
  36.     Node *p;
  37.     while(head!=NULL){
  38.         p = head->next;
  39.         free(head);
  40.         head = p;
  41.     }
  42. }
  43.  
  44. void printN(Node *a){
  45.     if(a == NULL) printf("NULL\n");
  46.     else printf("%d\n",a->val);
  47. }
  48.  
  49. void printL(){
  50.     Node *p = head;
  51.     while(p != NULL){
  52.         printf("%d ",p->val);
  53.         p = p->next;
  54.     }
  55.     printf("\n");
  56. }
  57.  
  58. Node* getN(int n){
  59.     int i;
  60.     Node *p;
  61.     p = head;
  62.     for(i=1;i<n;i++){
  63.     	p = p->next;
  64.     }
  65.     return p;
  66. }
  67.  
  68. int main(void){
  69.     int n,x1;
  70.     Node *k;
  71.     scanf("%d",&n);
  72.     initL(n);
  73.     printL();
  74.     scanf("%d",&x1);
  75.     k = getN(x1);
  76.     printN(k);
  77.     freeL();
  78.     return 0;
  79. }
Success #stdin #stdout 0.01s 5320KB
comments (?)
stdin
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4
1 3 5 7
2
stdout
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a16aa16aa16aa16a1 3 5 7 
3
https://ideone.com/u0o4hG
language:
C99 (gcc 8.3)
created:
9 hours ago
visibility:
public

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