//在两个数成对出现的数组中找到一个单独的数.比如{1,2,3.3,1,4.2},即找出4 #include <stdio.h> int find(int arr[], int len) { int i = 0; int ret = 0; for (i = 0; i < len; i++) { ret = ret^arr[i]; } return ret; } int main() { int arr1[] = { 1, 2, 2, 3, 1, 5, 3 }; int arr2[] =…
In this lesson, you will learn how to add an item to the New Action (NewObjectViewController.NewObjectAction). The Event business class from the Business Class Library will be used. 在本课中,您将学习如何在新建按钮(NewObjectViewController.NewObjectAction)中增加一个新的条目.将…