Reverse digits of an integer. Example1: x = 123, return 321 Example2: x = -123, return -321 我的代码 #!/bin/env pythonx=raw_input("input a string x:")a='-'ifainx: x=list(x)del x[0]x.reverse()x.insert(0,'-')y="".join(x)print y else: y=x[::-1]print y 1. 2...
解法1:字符串反转 解法2:数学运算(求余)转换 解法3:递归解法 这个题其实是 LeetCode 9 的基础题。可见,LeetCode 的题目编排就是乱来。 不过呢,相对 LeetCode 9,此题存在一些小的细节必须考虑周全。 题目要求看上去很简单,就是把一个整数从右到左翻过来。比如5,翻过来还是5;123,翻过来就是 321;-124,反过...
if (rev < Integer.MIN_VALUE/10 || (rev == Integer.MIN_VALUE / 10 && pop < -8)) return 0; rev = rev * 10 + pop; } return rev; } } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. Python python没有溢出问题,处理这题投机取巧 class Solution(object): def reverse(sel...
Integers in Python Python integers are nothing but whole numbers, whose range dependents on the hardware on which Python is run. Integers can be of different types such as positive, negative, zero, and long. Example: I = 123 #Positive Integer J = -20 #Negative Integer K = 0 #Zero Integ...
The most simple way to reverse a number in Python is to convert it to a string, reverse the string, and convert it back to an integer: def reverse_number_string_method(number): """ Reverse a number using string conversion. Args: ...
Given a 32-bit signed integer, reverse digits of an integer. Example 1: Input: 123 Output: 321 Example 2: Input: -123 Output: -321 Example 3: Input: 120 Output: 21 Solution: https://leetcode.com/problems/reverse-integer/discuss/229800/Python3-Faster-than-100 ...
# class ListNode: # def __init__(self, x): # self.val = x # self.next = None class Solution: # @param head, a ListNode # @param k, an integer # @return a ListNode def reverse(self, start, end): newhead=ListNode(0); newhead.next=start while newhead.next!=end: tmp=start...
Reverse digits of an integer. Example1:x = 123, return 321 Example2:x = -123, return -321 Have you thought about this?Here are some good questions to ask before coding. Bonus points for you if you have already thought through this!If the integer's last digit is 0, what should the...
-P, --pv INTEGER Specify Python version for payload. Must be either 2 or 3. By default, no version is specified. -N, --no-new-line Do not append a new-line character to the end of the payload. --b64 Encode a c_binary, rust_binary or java_class payload in base-64. ...
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