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  1. ListNode* Solution::deleteDuplicates(ListNode* A) {
  2.     if(A==NULL)
  3.         {
  4.             return NULL;
  5.         }
  6.         if(A->next==NULL)
  7.         {
  8.             return A;
  9.         }
  10.        ListNode *a = A;
  11.     ListNode *b = A->next;
  12.  
  13.     while(b != NULL){
  14.         if(a->val == b->val)
  15.         {
  16.             b = b->next;
  17.         }
  18.         else
  19.         {
  20.             a->next=b;
  21.             a=b;
  22.             b= b->next;
  23.         }
  24.     }
  25.         a->next=NULL;
  26.  
  27.     return A;
  28. }
Compilation error #stdin compilation error #stdout 0s 0KB
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Standard input is empty
compilation info 
prog.cpp:1:1: error: ‘ListNode’ does not name a type
 ListNode* Solution::deleteDuplicates(ListNode* A) {
 ^~~~~~~~
stdout
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Standard output is empty
https://ideone.com/JAH1GG
language:
C++14 (gcc 8.3)
created:
3 years ago
visibility:
public

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