Leetcode 217: https://leetcode.com/problems/contains-duplicate/descrip… — C Programming Language || Hands On Coding — TG.ME

#include <vector>
#include <algorithm>

class Solution {
public:
    bool containsDuplicate(std::vector<int>& nums) {
        std::sort(nums.begin(), nums.end());
        for (size_t i = 0; i < nums.size() - 1; i++) {
            if (nums[i] == nums[i + 1]) {
                return true;
            }
        }
        return false;
    }
};