a=[1,2,3] b=[4,5,6] 现将list a与 list b按位相加,其结果为[5,7,9] 方法一: c=[a[i]+b[i] for i in range(min(len(a),len(b)))] 方法二: c=list(map(lambda x :x[0]+x[1] ,zip(a,b))) 方法三: 调用numpy库 import numpy as np c = np.array(a) + np.array(b) map()函数: map()函数接受两个参数,一个是函数,一个是
题目: You are given two linked lists representing two non-negative numbers. 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. Input: (2 -> 4 -> 3) + (5 -> 6 -&
题目: Given an array of integers, find two numbers such that they add up to a specific target number. The function twoSum should return indices of the two numbers such that they add up to the target, where index1 must be less than index2. Please note t
在一个不重复的数组中,统计有多少组两个元素相加得0. 这里使用三种方式实现,并统计他们各自花费的时间: import java.util.Arrays; import java.util.HashMap; import java.util.Random; public class TwoSum { private static int N = 100000; private static int[] a = new int[N]; private static Random random = n
1.矩阵相加 两个同型矩阵做加法,就是对应的元素相加. #include<iostream> using namespace std; int main(){ int a[3][3]={{1,2,3},{6,5,4},{4,3,2}}; int b[3][3]={{4,3,2},{6,5,4},{1,2,3}}; int c[3][3]={0,0,0,0,0,0,0,0,0}; int i,j; cout<<"Array A:"<<endl; for