【小游戏】黑白棋

#include <stdio.h>
#include <cstring>
struct REVERSI_BOARD {
	int b[9][9];
	int tot, host;
	void init() {
		memset(b,0,sizeof(b));
		b[4][4] = b[5][5] = -1;
		b[4][5] = b[5][4] = 1;
		tot = 4, host = 1;
	}
	void put() {
		printf("     1  2  3  4  5  6  7  8\n");
		printf("    -------------------------\n");
		for(int i = 1;i <= 8;++i) {
			printf("%d : ",i);
			for(int j = 1;j <= 8;++j) {
				if(b[i][j] == 1) {
					printf("|○");
				} else if(b[i][j] == -1) {
					printf("|●");
				} else {
					printf("|  ");
				}
			}
			printf("|\n");
			printf("    -------------------------\n");
		}
	}
	bool check() {
		return tot != 64;
	}
	bool arround(int x,int y) {
		if(b[x+1][y] == -host) 
			return false;
		if(b[x-1][y] == -host) 
			return false;
		if(b[x][y+1] == -host) 
			return false;
		if(b[x][y-1] == -host) 
			return false;
		return true;
	}
	bool conduct(int x,int y) {
		if(x < 0||x > 8) {
			printf("illegal step.\n");
			return true;
		}
		if(y < 0||y > 8) {
			printf("illegal step.\n");
			return true;
		}
		if(b[x][y] != 0) {
			printf("illegal step.\n");
			return true;
		}
		if(arround(x,y)) {
			printf("illagal step.\n");
			return true;
		}
		b[x][y] = host;
		for(int i = 1;x+i <= 8&&b[x+i][y];++i) 
			if(b[x+i][y] == host) {
				for(int j = x+1;j < x+i;++j) 
					b[j][y] = host;
				break;
			}
		for(int i = 1;x-i >= 1&&b[x-i][y];++i) 
			if(b[x-i][y] == host) {
				for(int j = x-i+1;j < x;++j) 
					b[j][y] = host;
				break;
			}
		for(int i = 1;y-i >= 1&&b[x][y-i];++i) 
			if(b[x][y-i] == host) {
				for(int j = y-i+1;j < y;++j) 
					b[x][j] = host;
				break;
			}
		for(int i = 1;y+i <= 8&&b[x][y+i];++i) 
			if(b[x][y+i] == host) {
				for(int j = y+1;j < y+i;++j) 
					b[x][j] = host;
				break;
			}
		for(int i = 1;x+i <= 8&&y+i <= 8&&b[x+i][y+i];++i) 
			if(b[x+i][y+i] == host) {
				for(int j = 1;j < i;++j) 
					b[x+j][y+j] = host;
				break;
			}
		for(int i = 1;x-i >= 1&&y-i >= 1&&b[x-i][y-i];++i) 
			if(b[x-i][y-i] == host) {
				for(int j = 1;j < i;++j) 
					b[x-j][y-j] = host;
				break;
			}
		for(int i = 1;x-i >= 1&&y+i <= 8&&b[x-i][y+i];++i) 
			if(b[x-i][y+i] == host) {
				for(int j = 1;j < i;++j) 
					b[x-j][y+j] = host;
				break;
			}
		for(int i = 1;x+i <= 8&&y-i >= 1&&b[x+i][y-i];++i) 
			if(b[x+i][y-i] == host) {
				for(int j = 1;j < i;++j) 
					b[x+j][y-j] = host;
				break;
			}
		tot++;
		host *= -1;
		return false;
	}
	bool judge() {
		int cnt_white = 0, cnt_black = 0;
		for(int i = 1;i <= 8;++i) 
			for(int j = 1;j <= 8;++j) {
				if(b[i][j] == -1) 
					cnt_black++;
				else 
					cnt_white++;
			}
		return cnt_black-cnt_white;
	}
} rb;
void Reversi() {
	REVERSI_BOARD now;
	now.init();
	int site_x, site_y;
	now.put();
	while(now.check()) {
		if(now.host == 1) 
			printf("black's turn.\n");
		else 
			printf("white's turn.\n");
		scanf("%d %d",&site_x,&site_y);
		while(now.conduct(site_x,site_y)) 
			scanf("%d %d",&site_x,&site_y);
		now.put();
	}
	if(now.judge() > 0) 
		printf("black win!\n");
	else if(now.judge() < 0)
		printf("white win!\n");
	else 
		printf("none.\n");
}
signed main() {
	Reversi();
}

标签：黑白棋,return,int,++,host,小游戏,&&,printf
来源： https://www.cnblogs.com/bikuhiku/p/16357083.html