Height Checker

<-E 1051> Height Checker

class Solution {
public:
    int heightChecker(vector<int>& heights) {
       
        vector check(heights.begin(), heights.end());
        sort(heights.begin(), heights.end());
        int count = 0;
        for(int i = 0;i < heights.size(); i++){
            if(heights[i] != check[i]){
                count++;
            }
        }
        return count;

    }
};