Python 解法, 执行用时: 13ms, 内存消耗: 3076KB, 提交时间: 2022-08-02

get_keys = input()
def decode_num(x):
    return (x + 3) % 9

result = decode_num(get_keys % 100 - get_keys % 10) * 1000 + decode_num(get_keys % 10) * 100 + decode_num(get_keys // 1000) * 10 + decode_num(get_keys % 1000 - get_keys % 100)
print("%04d" % result)

Python 解法, 执行用时: 13ms, 内存消耗: 3084KB, 提交时间: 2022-06-24

num=str(input())

list1=list(num)
list1=[str((int(i)+3)%9) for i in list1]

temp=list1[0]
list1[0]=list1[2]
list1[2]=temp

temp=list1[1]
list1[1]=list1[3]
list1[3]=temp
    
print("".join(list1))

Python 解法, 执行用时: 13ms, 内存消耗: 3112KB, 提交时间: 2022-06-14

num = int(input())
a = num//1000 #1
b = (num-a*1000)//100 #2
c = (num-a*1000-b*100)//10#3
d = (num-a*1000-b*100-c*10)#4
new_c = (a+3)%9 #4
new_d = (b+3)%9 #5
new_a = (c+3)%9 #6
new_b = (d+3)%9 #7
new_num = new_a*1000+new_b*100+new_c*10+new_d
if new_a != 0:
    print(new_num)
else:
    print('0' + str(new_b*100+new_c*10+new_d))

Python 解法, 执行用时: 14ms, 内存消耗: 3004KB, 提交时间: 2022-07-26

old_str = input()
new = ''
for i in str(old_str):
    i = (int(i)+3) % 9
    new = new + str(i)
first = new[0]
second = new[1]
third = new[2]
four = new[3]
new = third+four+first+second
print(new)

Python 解法, 执行用时: 14ms, 内存消耗: 3048KB, 提交时间: 2022-06-11

x = str(raw_input())
y = ""
for i in x:
    y = y + str((int(i) + 3) % 9)
f = list(y)
f[0], f[2] = f[2], f[0]
f[1], f[3] = f[3], f[1]
z = ""
for j in range(len(f)):
    z = z + f[j]
print(z)