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  1. #include <iostream>
  2. #include <vector>
  3.  
  4. int removeDuplicates(std::vector<int>& nums) {
  5.    int i = 0;
  6.    while(i < nums.size() - 1) {
  7.       if (nums[i] == nums[i + 1]) {
  8.          nums.erase(nums.begin() + i);
  9.       } 
  10.       else i++;
  11.    }
  12.    return nums.size();
  13. }
  14.  
  15. int main()
  16. {
  17.    std::vector<int> a = {1, 1, 2};
  18.    removeDuplicates(a);
  19.    for ( int item : a )
  20.    {
  21.       std::cout << item << " ";
  22.    }
  23.    std::cout << std::endl;
  24. }
  25.  
Success #stdin #stdout 0s 4348KB
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https://ideone.com/ppuRg5
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
secret

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