C: wuziqi, wuziqi

C: wuziqi, wuziqi

  1 #include <stdio.h>  2 #include <stdlib.h>  3   4 #define N    15  5   6 int chessboard[N + 1][N + 1] = { 0 };  7   8 int whoseTurn = 0;  9  10 void initGame(void); 11 void printChessboard(void); 12 void playChess(void); 13 int judge(int, int); 14  15 int main(void) 16 { 17     initGame(); 18  19     while (1) 20     { 21         whoseTurn++; 22  23         playChess(); 24     } 25  26     return 0; 27 } 28  29 void initGame(void) 30 { 31     char c; 32  33     printf("Please input \'y\' to enter the game:"); 34     c = getchar(); 35     if ('y' != c && 'Y' != c) 36         exit(0); 37  38     system("cls"); 39     printChessboard(); 40 } 41  42 void printChessboard(void) 43 { 44     int i, j; 45  46     for (i = 0; i <= N; i++) 47     { 48         for (j = 0; j <= N; j++) 49         { 50             if (0 == i) 51                 printf("%3d", j); 52             else if (j == 0) 53                 printf("%3d", i); 54             else if (1 == chessboard[i][j]) 55                 printf("  O"); 56             else if (2 == chessboard[i][j]) 57                 printf("  X"); 58             else 59                 printf("  *"); 60         } 61         printf("\n"); 62     } 63 } 64  65 void playChess(void) 66 { 67     int i, j, winner; 68  69     if (1 == whoseTurn % 2) 70     { 71         printf("Turn to player 1, please input the position:"); 72         scanf("%d %d", &i, &j); 73  74         while (chessboard[i][j] != 0) 75         { 76             printf("This position  has been occupied, please input the position again:"); 77             scanf("%d %d", &i, &j); 78         } 79  80         chessboard[i][j] = 1; 81     } 82     else 83     { 84         printf("Turn to player 1, please input the position:"); 85         scanf("%d %d", &i, &j); 86  87         while (chessboard[i][j] != 0) 88         { 89             printf("This position  has been occupied, please input the position again:"); 90             scanf("%d %d", &i, &j); 91         } 92  93         chessboard[i][j] = 2; 94     } 95  96     system("cls"); 97     printChessboard(); 98  99     if (judge(i, j))100     {101         if (1 == whoseTurn % 2)102         {103             printf("Winner is player 1!\n");104             exit(0);105         }106         else107         {108             printf("Winner is player 2!\n");109             exit(0);110         }111     }112 }113 114 int judge(int x, int y)115 {116     int i, j;117     int t = 2 - whoseTurn % 2;118 119     for (i = x - 4, j = y; i <= x; i++)120     {121         if (i >= 1 && i <= N - 4 && t == chessboard[i][j] && t == chessboard[i + 1][j] && t == chessboard[i + 2][j] && t == chessboard[i + 3][j] && t == chessboard[i + 4][j])122             return 1;123     }124     for (i = x, j = y - 4; j <= y; j++)125     {126         if (j >= 1 && j <= N - 4 && t == chessboard[i][j] && t == chessboard[i][j + 1] && t == chessboard[i][j + 1] && t == chessboard[i][j + 3] && t == chessboard[i][j + 4])127             return 1;128     }129     for (i = x - 4, j = y - 4; i <= x, j <= y; i++, j++)130     {131         if (i >= 1 && i <= N - 4 && j >= 1 && j <= N - 4 && t == chessboard[i][j] && t == chessboard[i + 1][j + 1] && t == chessboard[i + 2][j + 2] && t == chessboard[i + 3][j + 3] && t == chessboard[i + 4][j + 4])132             return 1;133     }134     for (i = x + 4, j = y - 4; i >= 1, j <= y; i--, j++)135     {136         if (i >= 1 && i <= N - 4 && j >= 1 && j <= N - 4 && t == chessboard[i][j] && t == chessboard[i - 1][j + 1] && t == chessboard[i - 2][j + 2] && t == chessboard[i - 3][j + 3] && t == chessboard[i - 4][j + 4])137             return 1;138     }139 140     return 0;141 }