include <stdio.h> include <string.h> int CalDrinkCount(int n){ int a1=0,a2=0,a3=0; a1 = n/3; a2 = n%3; a3 = a1+a2; if(1 == a1 && 0 == a2) { return a1; //最后一次喝,无空瓶; } else if(1 == a1 && 1 == a2) { a3++; //倒数第二次喝,需要借水...