c项目之三子棋双人版

三子棋双人版

    包含一个头文件threeChess.h和两个源文件（main.c和threeChess.c)

//threeChess.h

#ifndef _THREECHESS_H_
#define _THREECHESS_H_

#include<stdio.h>
#include<stdlib.h>
#include<Windows.h>

#pragma warning(disable:4996)

#define ROW 3
#define COL 3

void game();


#endif

//main.c

#include"threeChess.h"


int main()
{
	int num;
	do{
		printf("******************************************\n");
		printf("**********欢迎访问三子棋双人版！**********\n");
		printf("****  input 1:play!   input 0:exit!  *****\n");
		printf("******************************************\n");
		printf("please select:");
		scanf("%d", &num);
		switch (num)
		{
		case 0:
			exit(0);
		case 1:
			game();
			continue;
		default:
			printf("input error! try again.\n");
			break;
		}
	} while (1);

	system("pause");
	return 0;
}

//threeChess.c

#include"threeChess.h"

char triChe[ROW][COL];

//输出棋盘
void outputCheckerBoard()
{
	int i = 0;
	printf("\t");
	for (i = 0; i < COL; i++){
		printf("%d\t", i);
	}
	printf("\n");
	for (i = 0; i < ROW; i++){
		printf("%d\t", i);
		for (int j = 0; j < COL; j++){
			printf("%c\t", triChe[i][j]);
		}
		printf("\n\n");
	}
}

int isFull()
{
	char *p = &triChe[0][0];
	for (int i = 0; i < ROW*COL; i++){
		if (*(p + i) == '_'){
			return 0;
		}
	}
	return 1;//平局
}

int judge()
{
	//判断行
	int i = 0;
	for (; i < ROW; i++){
		if ((triChe[i][0] != '_') && (triChe[i][0] == triChe[i][1]) && \
			(triChe[i][1] == triChe[i][2])){
			return triChe[i][0];
		}
	}
	//判断列
	for (i = 0; i < COL; i++){
		if ((triChe[0][i] != '_') && (triChe[0][i] == triChe[1][i]) && \
			(triChe[1][i] == triChe[2][i])){
			return triChe[0][i];
		}
	}
	//判断斜线
	if ((triChe[1][1] != '_') && \
		(((triChe[0][0] == triChe[1][1]) && (triChe[1][1] == triChe[2][2])) || \
		((triChe[0][2] == triChe[1][1]) && (triChe[1][1] == triChe[2][0])))){
		return triChe[1][1];
	}

	if (isFull()){
		return 1;//平局
	}
	return 0;
}


void play(int i)
{
	int line, column;
		system("cls");
		outputCheckerBoard();
	loop:
		printf("player %c:please input the position of your chess pieces!\n", i % 2 + 65);
		scanf("%d%d", &line, &column);
		if (line > 2 || column > 2){
			printf("the position out of bounds!\n");
			goto loop;
		}else if (triChe[line][column] != '_'){
			printf("There are already pieces in this position!\n");
			goto loop;
		}else{
			triChe[line][column] = i % 2 + 65;
		}
}

void game()
{
	memset(triChe, '_', ROW*COL);
	int i = 0;
	int result;
	do{
		play(i++);
		result = judge();
		if (result != 0){
			break;
		}
		play(i++);
	} while (result == 0);

	system("cls");
	outputCheckerBoard();
	switch (result){
	case 1:
		printf("平局！\n");
		return;
	case 65:
		printf("A胜！\n");
		return;
	case 66:
		printf("B胜！\n");
		return;
	}
}