version1.0

functions.c

@@ -0,0 +1,115 @@
+#include"sanziqi.h"
+void menu()  //菜单
+{
+    printf("****************************\n");
+    printf("*     输入1.开始游戏       *\n");
+    printf("*     输入0.退出游戏       *\n");
+    printf("****************************\n");
+}
+void print_board(char arr[3][3])  //打印棋盘
+{
+    printf("\n");
+    int i;
+    for (i = 0; i < 3; i++)
+    {
+        printf("%c |%c |%c\n", arr[i][0], arr[i][1], arr[i][2]);
+        if (i < 2)
+            printf("—+—+—\n");
+    }
+    printf("\n");
+}
+void init_board(char arr[3][3])  //初始化棋盘
+{
+
+    int i, j;
+    for (i = 0; i < 3; i++)
+    {
+        for (j = 0; j < 3; j++)
+        {
+            arr[i][j] = ' ';
+        }
+    }
+}
+int whom_act()  //选择谁先行动
+{
+    int input = 0;
+    printf("****************************\n");
+    printf("**       1.电脑先手:O     **\n");
+    printf("**       0.玩家先手:X     **\n");
+    printf("****************************\n");
+    while (1)
+    {
+        printf("请选择谁先落子:");
+        scanf("%d", &input);
+        if (input == 1)
+            return 1;
+        else if (input == 0)
+            return 0;
+        else
+            printf("选择错误，请重新选择。\n");
+    }
+}
+int chess_full(char arr[3][3])  //判断棋子是否下满
+{
+    int i, j;
+    for (i = 0; i < 3; i++)
+    {
+        for (j = 0; j < 3; j++)
+        {
+            if (arr[i][j] == ' ')
+                return 0;
+        }
+    }
+    return 1;
+}
+char judge(char arr[3][3])  //判断输赢，谁达到三字则返回对应的字符
+{
+    int i;
+    for (i = 0; i < 3; i++)
+    {
+        if ((arr[i][0] == arr[i][1]) && (arr[i][1] == arr[i][2]) && (arr[i][0] != ' '))//行
+            return arr[i][0];
+        else if ((arr[0][i] == arr[1][i]) && (arr[1][i] == arr[2][i]) && (arr[0][i] != ' '))//列
+            return arr[0][i];
+        else if ((arr[0][0] == arr[1][1]) && (arr[1][1] == arr[2][2]) && (arr[1][1] != ' '))//对角线
+            return arr[1][1];
+        else if ((arr[0][2] == arr[1][1]) && (arr[1][1] == arr[2][0]) && (arr[1][1] != ' '))
+            return arr[1][1];
+    }
+    return ' ';
+}
+void player_act(char arr[3][3])  //玩家行动
+{
+    int x = 0;
+    int y = 0;
+    char ch;
+    while (1)
+    {
+        printf("请落子(即输入对应x,y坐标)例如: %d,%d \n", x, y);
+        scanf("%d,%d", &x, &y);
+        if(arr[--x][--y] == ' ')
+        {
+                arr[x][y] = 'X';
+                break;
+        }
+        else
+        {
+            while ((ch = getchar()) != EOF && ch != '\n');//清空缓存区，防止scanf接收上次的非法输入从而死循环
+            printf("wrong input！请重新输入\n");
+        }
+    }
+}
+void computer_act(char arr[3][3])  //电脑行动
+{
+    srand((unsigned)time(NULL));//用系统时间初始化随机数种子
+    while (1)//无限循环直到遇到break退出
+    {
+        int x = rand() % 3;//计算机随机落子
+        int y = rand() % 3;
+        if (arr[x][y] == ' ')
+        {
+            arr[x][y] = 'O';
+            break;
+        }
+    }
+}

main.c

@@ -0,0 +1,56 @@
+#include <stdio.h>
+#include <time.h>
+#include <stdlib.h>
+#include "sanziqi.h"
+#define computer_first 1
+#define player_first 0
+int main()   //主函数
+{
+    char arr[3][3];
+    while(1)
+    {
+        menu();
+        int i=0;
+        scanf("%d",&i);
+        if(i)
+        {
+            init_board(arr);
+            print_board(arr);
+            if(whom_act()==computer_first)
+            {
+                while(i++<9)
+                {
+                    computer_act(arr);
+                    print_board(arr);
+                    if(judge(arr)=='O') break;
+                    player_act(arr);
+                    print_board(arr);
+                    if(judge(arr)=='X') break;
+                }
+                if(judge(arr)=='X')
+                    printf("你赢了。\n");
+                else
+                    printf("你输了。\n");
+            }
+            else
+            {
+                while(i++<9)
+                {
+                    player_act(arr);
+                    print_board(arr);
+                    if(judge(arr)=='X') break;
+                    computer_act(arr);
+                    print_board(arr);
+                    if(judge(arr)=='O') break;
+                }
+                if(judge(arr)=='X')
+                    printf("你赢了。\n");
+                else
+                    printf("你输了。\n");
+            }
+        }
+        else
+            break;
+    }
+    return 0;
+}

sanziqi.h

@@ -0,0 +1,25 @@
+#ifndef SANZIQI_H_INCLUDED
+#define SANZIQI_H_INCLUDED
+#include <time.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+void init_board(char arr[3][3]);  //初始化棋盘
+
+void print_board(char arr[3][3]);  //打印棋盘
+
+void menu();  //菜单
+
+int whom_act();  //选择谁先行动
+
+int chess_full(char arr[3][3]);  //判断棋子是否下满
+
+char judge(char arr[3][3]);  //判断输赢
+
+void player_act(char arr[3][3]);  //玩家行动
+
+void computer_act(char arr[3][3]);  //电脑行动
+
+
+
+#endif // SANZIQI_H_INCLUDED