1编程打印直角杨辉三角形 2 打鱼还是晒网 3古典问题：有一对兔子，从出生后第3个月起每个月都生一对兔子，小兔子长到第三个月后每个月又生一对兔子，假如兔子都不死，问每个月的兔子总数为多少？ 44. 输入两个字符串，从第一字符串中删除第二个字符串中所有的字符。例如，输入”They are students.”和”aeiou”，则删除之后的第一个字符串变成”Thy r stdnts.”。 5 实现一单链表的逆转。-Programming a print at right angles Triangle fishing or drying nets three classical problems: a pair of rabbits each month from 3 month after birth gave birth to a rabbit, a small rabbit long to the first three months after the month students a pair of rabbit if the rabbit is not dead, asked each month the total number of rabbits? 44 Enter two strings to delete all the characters in the second string from the first string. For example, enter " They are students."　And " aeiou" , delete a string become of Thy r stdnts. "　5 to achieve a reversal of a singly linked list.