PAT乙级(6-10)

006

n = int(input())
list = []
while n > 0:
    list.append(n % 10)
    n = int(n/10)
if(len(list) == 3):
    for i in range(list[2]):
        print("B", end="")
    for i in range(list[1]):
        print("S", end="")
    for i in range(list[0]):
        print(i+1, end="")
elif(len(list) == 2):
    for i in range(list[1]):
        print("S", end="")
    for i in range(list[0]):
        print(i+1, end="")
else:
    for i in range(list[0]):
        print(i+1, end="")

007

import math

x = int(input())
num = 0
su_list = [3]
l = 0


def sushu(j, primes):
    updata = math.sqrt(j) + 1
    for prime in primes:#传入的j为奇数 ，偶数除2外全不是素数
        if prime > updata:
            break
        if j % prime == 0:#只需检测是否会被素数整除
            return 0
    return 1


for i in range(5, x + 1, 2):#步距为1会加入偶数
    if sushu(i, su_list):
        su_list.append(i)
        l = l + 1
        if su_list[l] - su_list[l - 1] == 2:#相差为2
            num = num + 1
print(num)

008

n = [x for x in input().split()]
list=[i for i in input().split()]
x=list[int(n[0])-int(n[1]):]# :之后的数据
y=list[:int(n[0])-int(n[1])]# :之前的数据
result=x+y
print(' '.join(result))

009

n = [x for x in input().split()]
for r in range(len(n)):
   print(n[-r-1], end='')
   if r < len(n)-1:
       print(' ', end='')

010

e = [int(x) for x in input().split()]
if e[1] == 0:
    print(0, 0)
else:
    for i in range(len(e) // 2):#  //表示整除
        a = e[2 * i]
        b = e[2 * i + 1]
        if i == 0 and b > 0:
            print(a * b, b - 1, end='')
        elif b > 0:
            print(' ' + str(a * b), b - 1, end='')
    print()