Pentagon numbersProblem 44Pentagonal numbers are generated by the formula, Pn=n(3n−1)/2. The first ten pentagonal numbers are:1, 5, 12, 22, 35, 51, 70, 92, 117, 145, ...It can be see
原创
2022-08-11 16:56:51
57阅读
链接:http://codeforces.com/problemset/problem/44/A直接判重#include using namespace std;string s1,s2;map,int> m;int main(){ int n; scanf("%d",&n); while(n--) { cin>>s1>>s2;
原创
2023-08-15 17:32:29
57阅读
练习44考试规则:点击你认为正确的选项1有以下程序:#include <stdio.h>int fun(intx,int y){ if(x! =y) return ((x+y)/2); else return (x);}main(){ int a=4, b=5, c=6; printf("%d\n",fun(2*a,fun(b,c)));}输出结果为()。A.6
转载
2022-10-20 15:01:24
57阅读
题目:一个偶数总能表示为两个素数之和。
转载
2018-10-23 22:48:00
88阅读
2评论
String[]:字符串数组args:数组名 在运行的时候,通过java命令给args数组赋值。格式:java MainTest hello world itcast ...
转载
2021-08-23 19:54:00
111阅读
2评论
1、一套房子,出租1400一月,做民宿,140一晚,10天就是1400,后面20天的收益从哪里来
原创
2021-08-16 10:53:55
192阅读
Problem DescriptionGiven a sequence a[1],a[2],a[3]......a[n], yourjob is to calculate the max sum of a sub-sequence. For example,given (6,-1,5,4,-7...
转载
2016-04-19 15:17:00
96阅读
2评论
问题 E: Problem B时间限制:1 Sec内存限制:32 MB题目描述请写一个程序,对于一个m行m列的(1<m<10)的方阵,求其每一行,每一列及主对角线元素之和,最后按照从大到小的顺序依次输出。输入共一组数据,输入的第一行为一个正整数,表示m,接下来的m行,每行m个整数表示方阵元素。输出从大到小排列的一行整数,每个整数后跟一个空格,最后换行...
原创
2022-09-15 11:00:27
67阅读
/** *This problem was asked by Uber. Suppose an array sorted in ascending order is rotated at some pivot unknown to you beforehand. Find the minimum e ...
转载
2021-09-18 11:28:00
205阅读
2评论
1. DOM和BOM2. JS 无论语句还是变量,都是大小写敏感的3. JS会忽略多余的空格4. new String 声明类型时注意大写5. JavaScript 中的所有事物都是对象:字符串、数字、数组、日期,等等。在 JavaScript 中,对象是拥有属性和方法的数据6. JavaScript 数据类型:字符串、数字、布尔、数组、对象、Null、Undefined7. JavaScript
转载
2023-05-26 11:18:54
78阅读
Problem DescriptionThere are Nvillages, which are numbered from 1 to N, and you should build someroads such that every two villages can connect to ...
转载
2016-06-17 09:10:00
101阅读
2评论
Problem DescriptionGiven a sequence a[1],a[2],a[3]......a[n], yourjob is to calculate the max sum of a sub-sequence. For example,given (6,-1,5,4,-7...
转载
2016-04-19 15:17:00
85阅读
2评论
1.form里面使用了struts1的html标签,那么form也应该使用html标签,即<html:form>,否则会报错 <form action="login.do" method="post"><%--这样写会报错,需要改成<html:form action="login.do" method="post">-
原创
2023-04-19 03:31:30
20阅读
/** * This problem was asked by Google. A unival tree (which stands for "universal value") is a tree where all nodes under it have the same value. Giv ...
转载
2021-08-02 12:30:00
218阅读
2评论
import java.util.* /** * This problem was asked by Microsoft. * Print the nodes in a binary tree level-wise. For example, the following should print 1 ...
转载
2021-09-12 10:36:00
222阅读
2评论
Sum Problem Sample code :
转载
2017-04-28 09:53:00
202阅读
2评论
/** * This problem was asked by Twitter. Implement an autocomplete system. That is, given a query string s and a set of all possible query strings, re ...
转载
2021-07-26 21:21:00
336阅读
2评论
/** * This problem was asked by Pivotal. Write an algorithm that finds the total number of set bits in all integers between 1 and N. * */ class Proble ...
转载
2021-08-07 11:26:00
142阅读
2评论
Problem-1000:A + B Problem Sample Code:
转载
2017-04-28 09:30:00
88阅读
2评论
Hive SerDeSerDe是Serializer/Deserializer的缩写。序列化是对象转换成字节序列的过程。反序列化是字节序列转换成对象的过程。对象的序列化主要有两种用途:对象的持久化,即把对象转换成字节序列后保存到文件。对象数据的网络传输。Hive使用SerDe接口完成IO操作也就是数据的读取和写入,hive本身并不存储数据,它用的是hdfs上存储的文件,在与hdfs的文件交互读取和
转载
2021-01-17 19:30:11
1067阅读
2评论