c语言实现井字棋，可以随意更改棋盘的大小

#define _CRT_SECURE_NO_WARNINGS 1 #include"game.h" void print() { printf("*************************\n"); printf("*********1、paly*********\n"); printf("*********0、exit*********\n"); printf("*************************\n"); } void Init(char(*arr)[COLS], int row, int col) { for (int i = 0; i < row; i++) { for (int j = 0; j < col; j++) { *(*(arr + i) + j) = ' '; } } } void PrintBorad(char(*arr)[COLS], int row, int col) { int i = 0; for (i = 1; i <= row; i++) { int j = 0; for (j = 1; j <= col; j++) { printf(" %c ", *(*(arr + i) + j)); if (j <= col - 1) printf("|"); } printf("\n"); if (i <= row - 1) { for (j = 1; j <= col; j++) { printf("---"); if (j <= col - 1) printf("|"); } printf("\n"); } } } void PlayerInput(char(*arr)[COLS], int row, int col) { int x = 0; int y = 0; printf("玩家回合:\n"); printf("请输入要下棋的坐标（中间用空格隔开）:"); while (scanf("%d%d", &x, &y) == 2) { while (getchar() != '\n') { ; } if (x >= 1 && x <= row && y >= 1 && y <= col) { if (arr[x][y] == ' ') { arr[x][y] = 'O'; break; } else printf("此处已下过棋子，请重新下子:"); } else printf("非法输入，请重新输入:"); } } void ComputerInput(char(*arr)[COLS], int row, int col) { printf("电脑回合:\n"); while (1) { int x = rand() % row + 1;//生产1-5的随机数 int y = rand() % col + 1; if (arr[x][y] != ' ') { continue; } else { arr[x][y] = 'X'; break; } /*if (arr[x][y] == ' ') { arr[x][y] = 'X'; } else { ; }*/ } } char IsWin(char(*arr)[COLS], int row, int col)//c继续 q平局 O玩家获胜 X电脑获胜 { int i = 0; int j = 0; char c = 'c'; char q = 'q'; //斜线确定 for (i = 1; i <= row; i++) { for (j = 1; j <= col; j++) { if (arr[i][j] != ' ') { if (arr[i][j] == arr[i - 1][j - 1] && arr[i][j] == arr[i + 1][j + 1]) { return arr[i][j]; } else if (arr[i][j] == arr[i - 1][j + 1] && arr[i][j] == arr[i + 1][j - 1]) { return arr[i][j]; } } } } //行确定 int sum = 0;//优化方案 for (i = 1; i <= row; i++) { sum = 0; for (j = 1; j <= col - 1; j++) { if (arr[i][j] == arr[i][j + 1] && arr[i][j] != ' ') { sum = sum + 1; if (sum == 2) { return arr[i][j]; } } else sum = 0; } } //列确定 for (j = 1; j <= col; j++) { sum = 0; for (i = 1; i <= row - 1; i++) { if (arr[i][j] == arr[i + 1][j] && arr[i][j] != ' ') { sum = sum + 1; if (sum == 2) { return arr[i][j]; } } else sum = 0; } } //平局 for (i = 1; i <= row; i++) { for (j = 1; j <= col; j++) { if (arr[i][j] == ' ') return c; } } return q; } void play(char(*arr)[COLS], int rows, int cols) { Init(arr, rows, cols);//初始化7*7棋盘 PrintBorad(arr, ROW, COL);//打印只需打印5*5棋盘即可 char poi = 0; while (1) { PlayerInput(arr, ROW, COL);//玩家下棋 PrintBorad(arr, ROW, COL); poi = IsWin(arr, ROW, COL);//判断胜负 if (poi != 'c') break; ComputerInput(arr, ROW, COL);//电脑下棋 PrintBorad(arr, ROW, COL); poi = IsWin(arr, ROW, COL);//判断胜负 if (poi != 'c') break; } if (poi == 'O') { printf("玩家获胜！\n"); } else if (poi == 'X') { printf("电脑获胜！\n"); } else { printf("平局！\n"); } }