c++实现五子棋
#define _CRT_SECURE_NO_WARNINGS 1 #include <iostream> #include <stdio.h> #include <stdlib.h> #include <time.h> #include <string.h> using namespace std; const int N = 15; //15*15的棋盘 const char ChessBoard = ' '; //棋盘标志 const char flag1 = 'o'; //玩家1或电脑标志 const char flag2 = 'x'; //玩家2标志 typedef struct Position{ //坐标 int row; //行 int col; //列 }Position; class GoBang{ //五子棋类 public: GoBang(){ InitChessBoard(); //初始化棋盘 } void Play(){ //下棋 Position Play1; //玩家1或电脑 Position Play2; //玩家2 while (1){ int mode = ChoiceMode(); while (1){ if (mode == 1){ //电脑VS玩家 ComputerChess(Play1, flag1); //电脑走 if (GetVictory(Play1, 0, flag1)){ //0代表电脑,为真则表示电脑获胜 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赢 break; } PlayChess(Play2, 2, flag2); //玩家2走 if (GetVictory(Play2, 2, flag2)){ //玩家2赢 break; } } } cout << "======再来一局=======" << endl; cout << "yes or no :"; char s[] = "yes"; cin >> s; if (strcmp(s, "no") == 0){ break; } } } protected: void InitChessBoard(){ //初始化棋盘 for (int i = 0; i < N + 1; ++i){ for (int j = 0; j < N + 1; ++j){ _ChessBoard[i][j] = ChessBoard; } } } int ChoiceMode(){ //选择模式 system("cls"); //系统调用,清屏 InitChessBoard(); //重新初始化棋盘 cout << "*************************************************" << endl; cout << "******************0、退出************************" << endl; cout << "******************1、电脑VS玩家******************" << endl; cout << "******************2、玩家VS玩家******************" << endl; cout << "*************************************************" << endl; while (1){ int i = 0; cout << "请选择模式:"; cin >> i; if (i == 0){ //退出 exit(1); } if (i == 1 || i == 2){ return i; } else{ cout << "非法输入,请重新输入!" << endl; } } } void PrintChessBoard(){ //打印棋盘 printf(" 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15\n"); printf(" |---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|\n"); for (int i = 1; i < N + 1; ++i) { printf("%2d ", i); printf("| %c | %c | %c | %c | %c | %c | %c | %c | %c | %c | %c | %c | %c | %c | %c |\n", _ChessBoard[i][1], _ChessBoard[i][2], _ChessBoard[i][3], _ChessBoard[i][4], _ChessBoard[i][5], _ChessBoard[i][6], _ChessBoard[i][7], _ChessBoard[i][8], _ChessBoard[i][9], _ChessBoard[i][10], _ChessBoard[i][11], _ChessBoard[i][12], _ChessBoard[i][13], _ChessBoard[i][14], _ChessBoard[i][15]); printf(" |---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|\n"); } cout << endl; } void ComputerChess(Position& pos, char flag){ //电脑走 //PrintChessBoard(); //打印棋盘 int x = 0; int y = 0; while (1){ //循环查找空位置 x = (rand() % N) + 1; //产生从1~N的随机数 srand((unsigned int)time(NULL)); y = (rand() % N) + 1; //产生从1~N的随机数 srand((unsigned int)time(NULL)); if (_ChessBoard[x][y] == ChessBoard){ //如果这个位置为空(没有棋子),跳出循环,下棋 break; } } pos.row = x; pos.col = y; _ChessBoard[pos.row][pos.col] = flag; } void PlayChess(Position& pos, int player, char flag){ PrintChessBoard(); //打印棋盘 while (1){ printf("请玩家%d输入坐标:", player); cin >> pos.row >> pos.col; if (JudgeValue(pos) == 1){ //判断坐标是否合法 break; } cout << "坐标不合法,请重新输入:" << endl; } _ChessBoard[pos.row][pos.col] = flag; } int JudgeValue(const Position& pos){ //判断坐标的合法性 //1.在棋盘上 if (pos.row > 0 && pos.row <= N && pos.col > 0 && pos.col <= N){ //2.所在位置为空(没有棋子) if (_ChessBoard[pos.row][pos.col] == ChessBoard){ return 1; //合法 } } return 0; //非法 } int JudgeVictory(Position pos, char flag){ //判断是否有玩家获胜(底层判断) int begin = 0; int end = 0; //1.判断行是否满足条件 (pos.col - 4) > 0 ? begin = (pos.col - 4) : begin = 1; (pos.col + 4) > N ? end = N : end = (pos.col + 4); for (int i = pos.row, j = begin; j + 4 <= end; ++j){ if (_ChessBoard[i][j] == flag && _ChessBoard[i][j + 1] == flag && _ChessBoard[i][j + 2] == flag && _ChessBoard[i][j + 3] == flag && _ChessBoard[i][j + 4] == flag) return 1; } //2.判断列是否满足条件 (pos.row - 4) > 0 ? begin = (pos.row - 4) : begin = 1; (pos.row + 4) > N ? end = N : end = (pos.row + 4); for (int j = pos.col, i = begin; i + 4 <= end; ++i){ if (_ChessBoard[i][j] == flag && _ChessBoard[i + 1][j] == flag && _ChessBoard[i + 2][j] == flag && _ChessBoard[i + 3][j] == flag && _ChessBoard[i + 4][j] == flag) return 1; } //3.判断主对角线是否满足条件 int len = 0; //相对长度 int start = 0; int finish = 0; pos.row > pos.col ? len = pos.col - 1 : len = pos.row - 1; if (len > 4){ len = 4; } begin = pos.row - len; //横坐标起始位置 start = pos.col - len; //纵坐标起始位置 pos.row > pos.col ? len = N - pos.row : len = N - pos.col; if (len > 4){ len = 4; } end = pos.row + len; //横坐标结束位置 finish = pos.col + len; //纵坐标结束位置 for (int i = begin, j = start; (i + 4 <= end) && (j + 4 <= finish); ++i, ++j){ if (_ChessBoard[i][j] == flag && _ChessBoard[i + 1][j + 1] == flag && _ChessBoard[i + 2][j + 2] == flag && _ChessBoard[i + 3][j + 3] == flag && _ChessBoard[i + 4][j + 4] == flag) return 1; } //4.判断副对角线是否满足条件 (pos.row - 1) > (N - pos.col) ? len = N - pos.col : len = pos.row - 1; if (len > 4){ len = 4; } begin = pos.row - len; //横坐标起始位置 start = pos.col + len; //纵坐标起始位置 (N - pos.row) > (pos.col - 1) ? len = pos.col - 1 : len = N - pos.row; if (len > 4){ len = 4; } end = pos.row + len; //横坐标结束位置 finish = pos.col - len; //纵坐标结束位置 for (int i = begin, j = start; (i + 4 <= end) && (j - 4 >= finish); ++i, --j){ if (_ChessBoard[i][j] == flag && _ChessBoard[i + 1][j - 1] == flag && _ChessBoard[i + 2][j - 2] == flag && _ChessBoard[i + 3][j - 3] == flag && _ChessBoard[i + 4][j - 4] == flag) return 1; } //该位置并未下棋 for (int x = 1; x < N + 1; ++x){ for (int y = 1; y < N + 1; ++y){ if (_ChessBoard[x][y] == ChessBoard){ return 0; //未下棋 } } } return -1; //和局 } bool GetVictory(Position& pos, int player, char flag){ //判断具体哪位玩家赢 if (JudgeVictory(pos, flag) != 0){ //判断有无人获胜 if (JudgeVictory(pos, flag) == 1){ //判断是否有人获胜,1表示获胜 PrintChessBoard(); //打印棋盘 if (player == 0){ cout << "电脑获胜!" << endl; } else{ printf("恭喜玩家%d获胜!\n", player); } } else{ printf("和局!\n"); } return true; //有人获胜 } return false; //没人获胜 } private: char _ChessBoard[N + 1][N + 1]; //棋盘 }; int main(){ GoBang g; g.Play(); system("pause"); return 0; }