#define?_CRT_SECURE_NO_WARNINGS?1

#include?
#include?
#include?
#include?
#include?

using?namespace?std;

const?int?N?=?15;???????//15*15的棋盤
const?char?ChessBoard?=?‘?‘;??//棋盤標志
const?char?flag1?=?‘o‘;????//玩家1或電腦標志
const?char?flag2?=?‘x‘;????//玩家2標志

typedef?struct?Position{????//坐標
????int?row;????????//行
????int?col;????????//列
}Position;

class?GoBang{?????//五子棋類
public:
????GoBang（）{
????????InitChessBoard（）;??????//初始化棋盤
????}
????void?Play（）{??????//下棋
????????Position?Play1;???//玩家1或電腦
????????Position?Play2;???//玩家2
????????while?（1）{
????????????int?mode?=?ChoiceMode（）;
????????????while?（1）{
????????????????if?（mode?==?1）{???????//電腦VS玩家
????????????????????ComputerChess（Play1?flag1）;????????????//電腦走
????????????????????if?（GetVictory（Play1?0?flag1））{???????//0代表電腦，為真則表示電腦獲勝
????????????????????????break;
????????????????????}
????????????????????PlayChess（Play2?2?flag2）;?????????//玩家2走
????????????????????if?（GetVictory（Play2?2?flag2））{???????//2代表玩家2
????????????????????????break;
????????????????????}
????????????????}
????????????????else{???????????????//玩家1VS玩家2
????????????????????PlayChess（Play1?1?flag1）;?????????//玩家1走
????????????????????if?（GetVictory（Play1?1?flag1））{???????//玩家1贏
????????????????????????break;
????????????????????}
????????????????????PlayChess（Play2?2?flag2）;?????????//玩家2走
????????????????????if?（GetVictory（Play2?2?flag2））{???????//玩家2贏
????????????????????????break;
????????????????????}
????????????????}
????????????}
????????????cout?<????????????cout?<????????????char?s[]?=?“yes“;
????????????cin?>>?s;
????????????if?（strcmp（s?“no“）?==?0）{
????????????????break;
????????????}
????????}
????}

protected:
????void?InitChessBoard（）{??????????//初始化棋盤
????????for?（int?i?=?0;?i?????????????for?（int?j?=?0;?j?????????????????_ChessBoard[i][j]?=?ChessBoard;
????????????}
????????}
????}

????int?ChoiceMode（）{???????????//選擇模式
????????system（“cls“）;
????????//系統(tǒng)調(diào)用，清屏
????????InitChessBoard（）;???????//重新初始化棋盤
????????cout?<????????cout?<????????cout?<????????cout?<????????cout?<????????while?（1）{
????????????int?i?=?0;
????????????cout?<????????????cin?>>?i;
????????????if?（i?==?0）{???????//退出
????????????????exit（1）;
????????????}
????????????if?（i?==?1?||?i?==?2）{
????????????????return?i;
????????????}
????????????else{
????????????????cout?<????????????}
????????}
????}

????void?PrintChessBoard（）{????????//打印棋盤
????????printf（“?????1???