孩子们的游戏(圆圈中最后剩下的数)

 1 class Solution {
 2 public:
 3     int LastRemaining_Solution(unsigned int n, unsigned int m)
 4     {
 5         if(n ==0 || m == 0)
 6             return -1;
 7         vector<unsigned int> vv;
 8         for(unsigned int i = 0; i < n ; ++i)
 9         {
10             vv.push_back(i);
11         }
12         int begin = 0;
13         while(vv.size() != 1)
14         {
15             vv.erase(vv.begin() + (begin + m-1)%n);
16             begin = ((begin+m-1)%n)%(n-1) ;
17             --n;
18         }
19         return vv[0];
20     }
21 };