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sajid161

9:5

Jan 6th, 2021
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C++ 0.25 KB | None | 0 0
  1. class Solution {
  2. public:
  3.     bool containsDuplicate(vector<int>& nums) {
  4.       set<int>s;
  5.     for(int i=0;i<nums.size();i++)
  6.     {
  7.        
  8.         s.insert(nums[i]);
  9.     }
  10.     if(s.size()==nums.size()) return false;
  11.     else return true;  
  12.     }
  13. };
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