topcoder 594 DIV2 foxandclassroom

暴力枚举
 1 #include <iostream>
 #include <vector>
 #include <string>

 using namespace std;

 class FoxAndClassroom{
 public:
     string ableTo(int n , int m){
         for(int  i =  ; i < n ; ++ i ){
             for(int j  =  ;  j < m; ++ j ){
                 vector<vector<bool> > visitFlag(n,vector<bool>(m,false));
                 int kx = i ,ky = j,count = ;
                 while(!visitFlag[kx][ky]){
                     visitFlag[kx][ky] = true;
                     kx = (kx+)%n;
                     ky = (ky+)%m;
                     count++;
                 }
                 if(count ==  m*n) return "Possible";
             }
         }
         return "Impossible";
     }

 };