C++ solution (Why is this a Medium problem ?)


  • 0
    class Solution {
        vector<int> original;
        vector<int> shuffled;
    public:
        Solution(vector<int> nums) {
            original = nums;
            shuffled = nums;
        }
        
        /** Resets the array to its original configuration and return it. */
        vector<int> reset() {
            return original;    
        }
        
        /** Returns a random shuffling of the array. */
        vector<int> shuffle() {
            random_shuffle(shuffled.begin(), shuffled.end());
            return shuffled;
        }
    };
    

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