View Compilation Error

0_0_39752638_22289.cpp: In member function 'bool state::d1()':
0_0_39752638_22289.cpp:22:29: error: 'Ends' was not declared in this scope
   22 |             if (box[i].x == Ends[0].x && box[i].y == Ends[0].y) return 1;
      |                             ^~~~
0_0_39752638_22289.cpp: In member function 'bool state::d2()':
0_0_39752638_22289.cpp:29:29: error: 'Ends' was not declared in this scope
   29 |             if (box[i].x == Ends[1].x && box[i].y == Ends[1].y) return 1;
      |                             ^~~~
0_0_39752638_22289.cpp: In member function 'bool state::d3()':
0_0_39752638_22289.cpp:36:29: error: 'Ends' was not declared in this scope
   36 |             if (box[i].x == Ends[2].x && box[i].y == Ends[2].y) return 1;
      |                             ^~~~
0_0_39752638_22289.cpp: In function 'int main()':
0_0_39752638_22289.cpp:103:21: error: 'Ends' was not declared in this scope
  103 |                     Ends[cny].x = i;
      |                     ^~~~