【蓝桥杯】题目 1429: 兰顿蚂蚁

 思路：

模拟

  #include
  #include
  #include
  using namespace std;
  int main()
  {
  	int row,line;
  	cin>>row;
  	cin>>line;
  	vector>mat(row,vector(line,0));
  	int num;
  	for(int i=0;i>num;
  			mat[i][j]=num;  			
		}
	}
	int begin_row,begin_line;
	cin>>begin_row;
	cin>>begin_line;
	char begin_dic;
	getchar();
	cin>>begin_dic;
	int step;
	cin>>step;
   
    while(step--)
    {
    	if(mat[begin_row][begin_line]==0)
    	{
    		if(begin_dic=='U')
    		{
    			begin_dic='L';
    			mat[begin_row][begin_line]=1;
    			begin_line--;
    				//cout<