Given a binary tree containing digits from 0-9 only, each root-to-leaf path could represent a number. An example is the root-to-leaf path 1->2->3 which represents the number 123. Find the total sum of all root-to-leaf numbers. For example, 1 / \ 2 3
Given a binary tree containing digits from 0-9 only, each root-to-leaf path could represent a number. An example is the root-to-leaf path 1->2->3 which represents the number 123. Find the total sum of all root-to-leaf numbers. Note: A leaf is a node
/* * 用java求一个整数各位数字之和 */ public class Test02 { public static void main(String[] args) { System.out.println(Test02.sumDig(23865)); System.out.println(Test02.sumDig2(23965)); } public static int sumDig(int n) { int sum = 0; if (n >= 10) { sum += n % 10
[Python练习题 028] 求一个3*3矩阵对角线元素之和 ----------------------------------------------------- 这题解倒是解出来了,但总觉得代码太啰嗦.矩阵这东西,应该有个很现成的方法可以直接计算才对-- 啰嗦代码如下: str = input('请输入9个数字,用空格隔开,以形成3*3矩阵:') n = [int(i) for i in str.split(' ')] #获取9个数字 mx = [] #存储矩阵 for i in ra
Given a positive integer N, how many ways can we write it as a sum of consecutive positive integers? Example 1: Input: 5 Output: 2 Explanation: 5 = 5 = 2 + 3 Example 2: Input: 9 Output: 3 Explanation: 9 = 9 = 4 + 5 = 2 + 3 + 4 Example 3: Input: 15 Ou
#!/bin/bash #This is a test of the addition of the program! function AddFun { read -p "Enter a number:" num1 read -p "Enter another number:" num2 echo $[ $num1 + $num2 ] } result=`AddFun` echo "The Result is :$result" 上面这段代码主