Leetcode 455. Assign Cookies

class Solution {
public:
    int findContentChildren(vector<int>& g, vector<int>& s) {
        sort(g.begin(), g.end());
        sort(s.begin(), s.end());
        int child = 0;
        int cookies = 0;
        while(child < g.size() && cookies < s.size())
        {
            if(g[child] <= s[cookies])
                child++;
            cookies++;
        }
        return child;    
    }
};