8-1.c

日文版畅销书籍10天学会C语言的源程序。适合入门者学习使用。希望对大家有帮助。

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

//僇乕僪偺揰悢
int total[13] = { 11, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, 10, 10 };

int drawCard(int h);

main() {
	int dealer; //僨傿乕儔乕偺堷偄偨僇乕僪偺崌寁
	int player; //僾儗僀儎乕偺堷偄偨僇乕僪偺崌寁

	char y_n; //僇乕僪傪堷偔偐堷偐側偄偐偺摎偊

	srand(time(NULL));
	printf("亂僽儔僢僋僕儍僢僋亃\n");

	//僨傿乕儔乕偺堦枃栚偼崱夞徣棯

	//僾儗僀儎乕
	printf("僾儗僀儎乕堦枃栚丗");
	player = drawCard(1);
	printf("僾儗僀儎乕擇枃栚丗");
	player += drawCard(1);

	//僨傿乕儔乕偑堷偔
	do{
		dealer += drawCard(0);
	} while(dealer <= 16); 

	//僾儗僀儎乕偑堷偔
	while(player < 21) {
		printf("傕偆1枃堷偒傑偡偐?(y/n) > ");
		scanf("%c" , &y_n);
		while (getchar() != '\n') {  }
		if(y_n == 'y') {
			player += drawCard(1);
		} else if (y_n == 'n') { break; }
	}
  	
	printf("\n僨傿乕儔乕丗%d揰丂僾儗僀儎乕丗%d揰\n", dealer, player);

	return 0;
}

/*僇乕僪傪堷偔娭悢
堷悢 h丗僇乕僪撪梕昞帵僼儔僌
		僾儗僀儎乕僞乕儞偺帪偼1丄僨傿乕儔乕僞乕儞偺帪偼0
栠傝抣 r:堷偄偨僇乕僪偺揰悢
*/
int drawCard (int h) {
	int draw_digit; //堷偄偨僇乕僪偺悢
	int r; //堷偄偨僇乕僪偺揰悢
	
	draw_digit = rand() % 13 + 1;

	if(h) {
		printf("%d 傪堷偒傑偟偨\n", draw_digit);
	}
	r = total[draw_digit-1];
	return r;
}