Summing

2022-06-15

Collector什么是CollectorCollector工作原理特征值自定义CollectorCollectors详解求值均值：averaging元素个数：counting最值：maxBy、minBy和：summing
阿龙8891·2023-08-16 14:59

[USACO16JAN] Subsequences Summing to Sevens S

题目描述FarmerJohn'sNcowsarestandinginarow,astheyhaveatendencytodofromtimetotime.EachcowislabeledwithadistinctintegerIDnumbersoFJcantellthemapart.FJwouldliketotakeaphotoofacontiguousgroupofcowsbut,duetoat
林林又总总·2023-08-15 17:07

java8 stream 对List求和方法总结

主要利用了reduce方法和Collectors.summing的方法，reduce根据初始值（参数1）和累积函数（参数2）依次对数据流进行操作，第一个值与初始值送入累积函数，后面计算结果和下一个数据流依次送入累积函数实现求和
I_belong_to_jesus·2022-12-31 10:08

【BZOJ】4511: [Usaco2016 Jan]Subsequences Summing to Sevens 前缀和（特殊的技巧）

DescriptionFarmerJohn'sNcowsarestandinginarow,astheyhaveatendencytodofromtimetotime.EachcowislabeledwithadistinctintegerIDnumbersoFJcantellthemapart.FJwouldliketotakeaphotoofacontiguousgroupofcowsbut,
weixin_30901729·2020-08-24 23:51

Liang 8.6 Summing series

[Recursion]D.Liang8.6SummingseriesDescription：用递归函数计算以下等式m(i)=1/2+2/3+…+i/(i+1)使用以下函数头doublem(inti)Input:正整数n（n<=100）Output:输出m(n)，结果保留两位小数SampleInput:1SampleOutput:0.50Hint:Don’tsubmitthemain()functi
Kamenrider Justice·2020-08-03 08:35

Liang 8.5 Summing series

[Recursion]D.Liang8.5SummingseriesDescription：用递归函数计算以下等式m(i)=1/3+2/5+3/7+4/9+5/11+6/13+…+i/(2i+1)使用以下函数头doublem(inti)Input：正整数n（n<=100）Output:输出m(n)，结果保留两位小数SampleInput:1SampleOutput:0.33Hint:Don’tsu
Kamenrider Justice·2020-08-03 08:35

Liang 8.4 Summing series

[Recursion]D.Liang8.4SummingseriesDescription：用递归函数计算以下等式m(i)=1+1/2+1/3+…+1/i使用以下函数头doublem(inti)Input:正整数n（n<=100）Output:输出m(n)，结果保留两位小数SampleInput:3SampleOutput:1.83Hint:Don’tsubmitthemain()function
Kamenrider Justice·2020-08-03 08:35

POJ 1145:Tree Summing （二叉树路径和）

1145:TreeSumming查看提交统计提示提问总时间限制:1000ms内存限制:65536kB描述LISPwasoneoftheearliesthigh-levelprogramminglanguagesand,withFORTRAN,isoneoftheoldestlanguagescurrentlybeingused.Lists,whicharethefundamentaldatastr
木子-勇士心·2020-07-07 20:58

java8新特性(四) Collector（收集器）

Collector什么是CollectorCollector工作原理特征值自定义CollectorCollectors详解求值均值：averaging元素个数：counting最值：maxBy、minBy和：summing
zeroxes·2020-07-06 09:25

WEEK3 3.9Summing Up Memory

DATE2016/01/21COURSE3.9SummingUpMemoryNOTES3.9SummingUpMemorydiscussedtwomainmemorysystemsinvolvedinyourabilitytochunkconcepts.longtermmemoryworkingmemoryWehaveoutstandingvisualandspatialmemorysystems
sakumato·2020-03-24 18:47

WEEK3 3.6Summing Up Procrastination

DATE2016/01/20COURSESummingUpProcrastinationNOTESOUTLINESKeepaplannerjournalsoyoucaneasilytrackwhenyoureachyourgoalsandobservewhatdoesanddoesn'twork.Commityourselftocertainroutinesandtaskseachday.Writ
sakumato·2020-02-21 08:31

Tree Summing UVA - 112 二叉树

问题：representedasLISPS-expressionspossessacertainproperty.Givenabinarytreeofintegers,youaretowriteaprogramthatdetermineswhetherthereexistsaroot-to-leafpathwhosenodessumtoaspecifiedinteger.Forexample,in
HXX904·2019-08-09 08:39

百练/ 北京大学2016研究生推免上机考试（校外）H: Tree Summing（栈）

题目来源：http://qwsfsx.openjudge.cn/level3/1145/1145:TreeSumming总时间限制:1000ms内存限制:65536kB描述LISPwasoneoftheearliesthigh-levelprogramminglanguagesand,withFORTRAN,isoneoftheoldestlanguagescurrentlybeingused.L
da_kao_la·2018-05-11 10:08

汇编程序：用宏指令计算

编写的宏定义SUMMING，功能为求出字数组中所有元素之和，并把结果保存下来。该宏定义的哑元为数组首址ARRAY、数组长度COUNT和结果存放单元RESULT。
sxhelijian·2017-06-12 17:00

EOJ1851 Summing Sums

题目大意N头牛，每头牛的初值为Ci，每次执行如下算法：每头牛计算其他N-1头牛的和，并%98,765,431替换掉原值。执行T次后，每头牛的值为多少。（1>=1;x=x*x%MOD;}returnans;}等比数列求和公式Sn=（A1-An*q）/(1-q)中有除法，并不能应用到同余中所以要将其转成乘法，设存在T式使得，（1-q）*T%MOD=1，这时候我们可以用到费马小定理a^(p-1)%p=1
Datow·2016-09-16 16:51

UVA, 112Tree Summing

题意:一棵树从上到下相加，问是否出现该值出现的值为5+4+11+7=27,5+4+11+2=22,5+8+13=26,5+8+4+1=18dfs算法，用一个数组每次递归记录下当前的值，读到根，把数组的值相加。#include #include #include usingnamespacestd; #defineN1000 intn; intsum; charinput(); voidsolve(
itaskyou·2016-05-07 17:00

uva 122 Tree Summing

这是一道比较经典的回溯法的水题，运了二叉原理#include #include usingnamespacestd; intback_tracking(intn,int*t); charinput(); charinput() { charch; scanf("%c",&ch); while(ch==''||ch=='\n') { scanf("%c",&ch); } returnch; } i
xf_zhen·2016-04-09 00:00

UVA_112_Tree Summing

#include #include #include #include #include usingstd::cin; usingstd::cout; usingstd::endl; usingstd::vector; usingstd::string; usingstd::stringstream; usingstd::stack; constintMAX=2147483647; typedef
cxy7tv·2016-04-06 18:00

Groupon面经：Find paths in a binary tree summing to a target value

Youaregivenabinarytree(notnecessarilyBST)inwhicheachnodecontainsavalue.Designanalgorithmtoprintallpathswhichsumuptothatvalue.Notethatitcanbeanypathinthetree-itdoesnothavetostartattheroot.http://stacko
neverlandly·2016-02-04 12:00

Groupon面经：Find paths in a binary tree summing to a target value

Youaregivenabinarytree(notnecessarilyBST)inwhicheachnodecontainsavalue.Designanalgorithmtoprintallpathswhichsumuptothatvalue.Notethatitcanbeanypathinthetree-itdoesnothavetostartattheroot.http://stacko
neverlandly·2016-02-04 12:00

poj 1145 (uva 112) Tree Summing

原题：TreeSummingTimeLimit:1000MSMemoryLimit:10000KTotalSubmissions:8166Accepted:1960DescriptionLISPwasoneoftheearliesthigh-levelprogramminglanguagesand,withFORTRAN,isoneoftheoldestlanguagescurrentlybein
·2015-12-31 02:00

递归实例

递归求和echo'ceshichenggong';classSuming{functionsumming($s){if($s>=1){returnself::summing($s-1)+$s;}else
IT阿飞·2015-11-15 15:18

递归实例

递归求和echo'ceshichenggong';classSuming{  functionsumming($s){    if($s>=1){     returnself::summing($s-
IT阿飞·2015-11-15 15:18

1028-Digital Roots

描述   The digital root of a positive integer is found by summing the digits of the integer.
·2015-11-13 08:23

cf(#div1 A. Dreamoon and Sums)(数论)

limit per test 256 megabytes input standard input output standard output Dreamoon loves summing
·2015-11-11 19:15

SharePoint 2010 上下左右求和

About Summing Calculated Columns Calculated columns are great, but if you expect to be able to total
·2015-11-11 18:03

【POJ1707】【伯努利数】Sum of powers

He observed that calculating i k for all i (1<=i<=n) and summing up results
·2015-11-11 14:01

HDU-1163Eddy's digital Roots

Problem Description The digital root of a positive integer is found by summing the digits of the integer
·2015-11-11 10:20

lightOJ 1132 Summing up Powers（矩阵 二分）

题目链接：http://lightoj.com/volume_showproblem.php?problem=1132 题意：给出n和m。求sum(i^m)%2^32。(1<=i<=n) (1<=n<=10^15,0<=m<=50)。 思路：本题有两种方法：二分和矩阵。 （1）二分：设我们用DFS(n,m)来计算上面的式子。假如n为奇数，比如n=13，那么
·2015-11-11 09:13

uva 112 - Tree Summing

 大意：判断从根到叶是否有一个sum等于给定的数 做法： 每个括号代表二叉树一个根节点，递归建立二叉树，然后遍历。 注意：1、有负数。         2、叶子一个子节点都没有 技巧： 1、cin.clear(),cin.unget(),ungetc(c,stdin) 2、输入、建树和遍历可以同时完成，因
·2015-11-11 06:05

九度OJ 1124 Digital Roots -- 数位拆解

  题目描述：     The digital root of a positive integer is found by summing
·2015-11-11 04:53

joj1023

8192K 6385 1371 Standard   Background The digital root of a positive integer is found by summing
·2015-11-11 01:13

SDUT 1048 Digital Roots

1000ms   Memory limit: 65536K  题目描述 The digital root of a positive integer is found by summing
·2015-11-11 00:28

Codeforces Round #272 (Div. 1) A. Dreamoon and Sums（数论）

题目链接 Dreamoon loves summing up something for no reason.
·2015-11-10 22:00

Digital Roots

Description The digital root of a positive integer is found by summing the digits of the integer.
·2015-11-08 15:12

uva 112 Tree Summing

将原来的代码改了一个BUG即是存在负数后就AC了，但是时间不好，0.112 实际上本题就是由扩展前序序列来建树，然后遍历，算路径的题目，考查了二叉树的基本知识，很好   #include <stdio.h> #include <string.h> #include <stdlib.h> #define LEN sizeof(struct
·2015-10-31 19:31

HDU_2212

Problem Description A DFS(digital factorial sum) number is found by summing the factorial of every
·2015-10-31 10:55

uva-112 Tree Summing

Background LISP was one of the earliest high-level programming languages and, with FORTRAN, is one of the oldest languages currently being used. Lists, which are the fundamental data structures in LI
·2015-10-30 11:18

POJ 1145 Tree Summing

Tree Summing Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 
·2015-10-27 11:03

Calculating Entropy

From:  johndcook.com/blog   For a set of positive probabilities pi summing
·2015-10-27 11:58

Uva 112 Tree Summing

Uva112TreeSummingBackgroundLISPwasoneoftheearliesthigh-levelprogramminglanguagesand,withFORTRAN,isoneoftheoldestlanguagescurrentlybeingused.Lists,whicharethefundamentaldatastructuresinLISP,caneasilybe
qq_21120027·2015-08-14 23:00

LightOJ 1132 - Summing up Powers 矩阵快速幂+排列组合

链接：http://lightoj.com/volume_showproblem.php?problem=1132 1132-SummingupPowersPDF(English)StatisticsForumTimeLimit: 2second(s)MemoryLimit: 32MBGiven N and K,youhavetofind(1K +2K +3K +...+NK)%232InputI
u013532224·2015-07-13 20:00

Digital Roots（hdoj1013）

Problem Description The digital root of a positive integer is found by summing the digits of the integer
·2015-05-13 23:00

【BZOJ 1712】 [Usaco2007 China]Summing Sums 加密

1712:[Usaco2007China]SummingSums加密TimeLimit:5SecMemoryLimit:64MBSubmit:347Solved:129[Submit][Status][Discuss]Description那N只可爱的奶牛刚刚学习了有关密码的许多算法，终于，她们创造出了属于奶牛的加密方法．由于她们并不是经验十足，她们的加密方法非常简单：第i只奶牛掌握着密码的第i个
Regina8023·2015-04-10 09:00

UVA - 112 - Tree Summing （数的求和！栈的应用！）

UVA-112TreeSummingTimeLimit: 3000MS MemoryLimit: Unknown 64bitIOFormat: %lld&%lluSubmit StatusDescription TreeSumming BackgroundLISPwasoneoftheearliesthigh-levelprogramminglanguagesand,withFORTRAN,iso
u014355480·2014-12-18 21:00

HDU 1006 Digital Roots

Problem Description The digital root of a positive integer is found by summing the digits of the integer
·2014-11-03 20:00

java 2.6** Summing the digits in an integer

例如：999process：sum=9+9+9=27；例如：932process：sum=9+3+2=14； importjava.util.Scanner; publicclassMain{ publicstaticvoidmain(String[]args){ Scannerinput=newScanner(System.in); intnumber; System.ou
u013263923·2014-09-03 14:00

UVA 112 Tree Summing

#include charinput(){//读取括号 chartemp=getchar(); while(temp==''||temp=='\n') temp=getchar(); returntemp; } booljudge(intsum,bool*leaf){ boolreal=false,left=false,right=false;//real:是否存在一条分支的所有结点的和等于s
kl28978113·2014-07-31 11:00

Light OJ 1132 Summing up Powers 矩阵快速幂

题目大意：给出N,k，1 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include usingnamespacestd; constd
u013738743·2014-07-29 21:00

UVA - 112 Tree Summing

 TreeSumming BackgroundLISPwasoneoftheearliesthigh-levelprogramminglanguagesand,withFORTRAN,isoneoftheoldestlanguagescurrentlybeingused.Lists,whicharethefundamentaldatastructuresinLISP,caneasilybeadap
HelloWorld10086·2014-07-26 16:00
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