/*21点计算电脑是否要牌100*(21-n)/21 + rand()%50 >=50 ? 要牌 :不要*/#include <stdio.h> #include <time.h>#include <string.h>typedef enum point {ace=1,two,three,four,five,six,seven,eight,nine,ten,jack,queen,king}point;point puker[52];typedef struct player{ char name[16]; point pk[11]; int nu...