C语言--三子棋

简易三子棋

#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<time.h>
#define row 3
#define col 3
int Menu() {
 printf("=================================\n");
 printf("欢迎来到三子棋!\n");
 printf("1.输入1开始游戏!\n");
 printf("2.输入2退出游戏！\n");
 printf("=================================\n");
 int choice = 0;
 scanf("%d", &choice);
 return choice;
}
void Init(char chessBoard[row][col]) {
 memset(chessBoard, ' ', row * col*sizeof(char));
 //如果在下边电脑落子函数处设置的话可能会使两次随机数相同
 srand((unsigned int)time(0));
}
void Print(char chessBoard[row][col]) {
 for (int i = 0; i < row; i++) {
  printf("-------------------\n");
  for (int j = 0; j < col; j++) {
   printf("|   %c ", chessBoard[i][j]);//%c打印一个字符，%s打印一个字符串
   }
  printf("|\n");
 }
 printf("-------------------\n");
}
void playerMove(char chessBoard[row][col]) {
 printf("轮到玩家落子！\n");
    //对用户输入的数据进行判断
 while (1) {
  printf("请输入你要落得子（r c）：\n");
  int r = 0, c = 0;
  scanf("%d %d", &r, &c);
  if (r < 0 || r >= row || c < 0 || c >= col) {
   printf("你的输入有误！\n"); 
   continue;
  }
  //判断用户输入的位置是否已经有子了！
  if (chessBoard[r][c] != ' ') {
   printf("该位置已经有子了！\n");
   continue;
  }
  chessBoard[r][c] = 'x';
  break;
 }
} 
//返回值表示游戏状况
//1.返回x玩家获胜
//2.返回o电脑获胜
//3.返回空格游戏还没结束
//4.返回p就是平局
char Check(char chessBoard[row][col]) {
int i = 0, j = 0;
 //判断有没有哪一行是连成一串
 for (; i < row; i++) {
  if (chessBoard[i][0]!=' ' && chessBoard[i][i] == chessBoard[i][i+1]
   && chessBoard[i][i+2] == chessBoard[i][i + 1]) {
   return chessBoard[i][0];
  }
 }
 //判断有没有那一列成一串
 for (i = 0; i < row; i++) {
 if (chessBoard[i][i] != ' ' && chessBoard[i][i] == chessBoard[i + 1][i] 
   && chessBoard[i + 2][i] == chessBoard[i][i + 1]) {
   return chessBoard[0][i];
  }
 }
 //判断对角线有没有成一串
 if (chessBoard[1][1] != ' ' && chessBoard[0][0] == chessBoard[1][1] &&
  chessBoard[2][2] == chessBoard[1][1]) {
  return chessBoard[1][1];//不论左对角线还是右对角线都会有（1，1）坐标
 }
 if (chessBoard[1][1] != ' ' && chessBoard[0][2] == chessBoard[1][1] &&
  chessBoard[1][1] == chessBoard[2][0]) {
  return chessBoard[1][1];
 }
 if (isFull(chessBoard)) {
  return 'p';
  }
 return ' ';
}
//判断棋盘是否满了，满了返回1，否则返回0
int isFull(char chessBoard[row][col]) {
//查找有没有空格
 for (int i = 0; i < row; i++) {
  for (int j = 0; j < col; j++) {
   if (chessBoard[i][j] == ' ') {
    return 0;
    }
  }
 }
 //所有位置找完都没有空格就返回1
 return 1;
}
void computerMove(char chessBoard[row][col]) {
 //电脑随机落子
 printf("轮到电脑落子！\n");
 while (1) {
  int r = rand() % row;
  int c = rand() % col;
  //判断这个位置是否有子了
  if (chessBoard[r][c] != ' ') {
   continue;
  }
  chessBoard[r][c] = 'o';
  break;
 }
}
void Game() {
 //1.创建并初始化一个棋盘（字符类型二维数组）
 char chessBoard[row][col] = { 0 };
 Init(chessBoard);
 char winner;
 while (1) {
 //2.先打印棋盘
  Print(chessBoard);
  //3.提示玩家落子(玩家用x表示）
  playerMove(chessBoard);
  //4.检查游戏是否结束
  if (Check(chessBoard)){
   int i=0;
  }
  //5.电脑进行落子（电脑用o表示）
  computerMove(chessBoard);
  //6.检查游戏是否结束
  winner=Check(chessBoard);
  if (winner != ' ') {
   break;
  }  
  //7.回到2循环执行
  }
 if (winner == 'x') {
  printf("玩家获胜！\n");
 }
 else if (winner == 'o') {
  printf("电脑获胜！\n");
  }
 else if (winner == 'p') {
  printf("平局!\n");
 }
}
int main() {
 while (1) {
  int choice = Menu();
  if (choice == 1) {
   Game();
   }
  else if (choice==2) {
   printf("byebye!\n");
  }
  else {
  printf("输入有误!\n");
  }
 }
 return 0;
}