455. Assign Cookies

 static int wing=[]()
 {
     std::ios::sync_with_stdio(false);
     cin.tie(NULL);
     return ;
 }(); class Solution
 {
 public:
     int findContentChildren(vector<int>& g, vector<int>& s)
     {
         int szchild=g.size();
         int szcookies=s.size();
         if(szchild==||szcookies==)
             return ;
         sort(g.begin(),g.end());
         sort(s.begin(),s.end());
         int indexchild=,indexcookies=;
         int count=;
         while(indexchild<szchild&&indexcookies<szcookies)
         {
             if(s[indexcookies]>=g[indexchild])
             {
                 count++;
                 indexcookies++;
                 indexchild++;
             }
             else
                 indexcookies++;
         }
         return count;
     }
 };

排个序，俩数组元素扫描比较即可。