How to realize ACwing pilot Brothers
This article introduces the knowledge of "how to realize the brothers of ACwing pilots". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!
# include#include#include#include#define x first#define y secondusing namespace std;typedef pair PII;using namespace std;const int N = 5Posichar g [N] [N], backup [N] [N]; int get (int x camera int y) {return x camera 4 minutes;} / /'+ 'indicates a closed state '-' denotes the open state void turn_one (int xreint y) {if (g [x] [y] = ='+') g [x] [y] ='-'; else g [x] [y] ='+';} void turn_all (int xreint y) {for (int item0 for [I];} vector res; / / enumerates all scenarios for (int op=0;op)