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;
}
};