输入: 3输出: False 思路 双指针 a 指针从 0 开始,b 指针取 c 的平方根。然后分别相向移动,如果 a*a + b*b < c,让 a 加 1,如果 a*a + b*b > c,让 b 减 1。 时间复杂度: $$ O(\sqrt{c}) $$ Python代码 classSolution(object):defjudgeSquareSum(self, c):""" :type c: int :r...
Question 2 Add Two Numbers:You are given two non-empty linked lists representing two non-negative integers. The digits are stored in reverse order and each of their nodes contain a single digit. Add the two numbers and return it as a linked list. You may assume the two numbers do not c...
classSolution:defaddTwoNumbers(self,l1,l2):""":type l1: ListNode:type l2: ListNode:rtype: ListNode"""n=l1i=1num_l1=0# get num of l1whilen:num_l1=num_l1+n.val*ii=i*10n=n.nextm=l2j=1num_l2=0# get num of l2whilem:num_l2=num_l2+m.val*jj=j*10m=m.nextstr_num=str(num...
cat filename | python -c"from fileinput import input; print sum(map(int, input()))" 1. #18楼 以下是bash的工作原理: I=0 for N in `cat numbers.txt` do I=`expr $I + $N` done echo $I 1. 2. 3. 4. 5. 6. 7. 8. #19楼 Python的一线版: $ python -c "import sys; print...
编写一个Python函数,接收一个整数列表作为参数,返回列表中所有偶数的平均值。```pythondef average_even(numbers):evens = [x for x in numbers if x % 2 == 0]if len(evens) == 0:return 0return sum(evens) / len(evens)numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]print(a
题目二: 编写一个简单的函数,该函数接收两个整数参数,并返回它们的和。 - 答案: ```python def sum_numbers(a, b): return a + b ```相关知识点: 试题来源: 解析 测试二: 检查for循环是否正确打印0到4的数字。 - 测试用例:运行for循环代码,检查输出是否为`0 1 2 3 4`。
1classSolution:2"""3@param numbersbers : Give an array numbersbers of n integer4@return : Find all unique triplets in the array which gives the sum of zero.5"""6defSolution(self):7pass8defthreeSum(self, numbers):9#write your code here10numbers.sort()11ret =[]12n =len(numbers)13...
return sum_of_powers == num def find_narcissistic_numbers(start, end):narcissistic_numbers = []...
题目:请写出一个Python函数,该函数接收一个整数列表作为参数,并返回列表中所有偶数的和。 ```python def sum_even_numbers(numbers): return sum(num for num in numbers if num % 2 == 0) ```相关知识点: 试题来源: 解析 答案:函数`sum_even_numbers`通过列表推导式筛选出列表中的偶数,并使用内置函数`...
Python Code:# Define a function named 'test' that takes a list 'nums' as input. def test(nums): # Find the maximum and minimum numbers in the input list 'nums'. max_num = max(nums) min_num = min(nums) # Calculate the sum of missing numbers within the range [min_num, max_num...