leetcode-question

This is my leetcode solved question
Author-Madhur @Dhillon #include #include #include using namespace std; class Solution { public: bool containsDuplicate(vector& nums) { int n=nums.size(); sort(nums.begin(),nums.end()); for(int i=0;i<n-1;i++){ if(nums[i]==nums[i+1]){ return true; } }return false; } int main(){ Solution s1; vectornums={1,2,3,4}; cout<<"result="<<s1.containsDuplicate(nums)<<endl; return 0; } };