1 to 4 demultiplexer

Category: Windows programming C + + 2012-10-27 19:56 3410 people read reviews (1) favorite reports There are four threads of 1, 2, 3, 4. The function of thread 1 is output 1, the function of thread 2 is output 2, etc... There are now four file ABCD. The initial is empty.

 http://acm.hdu.edu.cn/showproblem.php?pid=1518 #include #include int ok,vis[30],a[30];int sum,n,m;void Dfs (int count,int l,int now){int i;if (count==3){ok=1;return;}if (l==sum){DFS (count+1,0,0);if (OK)return;}for (i=now;i{if (!vis[i] l+a[i]{Vis[i]=1;DFS (COUNT,L+A[I],I+1);if (OK)Returnvis[i]=0;}}}int main (){int i,j,t;scanf ("%d", n);while (n--){sum=0;scan

Package com; public class test {public static void main (string [] ARGs) {system. out. println (getsteps1 (); system. out. println (">>>>>>>>>>>>>>>>>>>>>>>>>>>>"); system. out. println (test. getsteps (); system. out. println (">>>>>>>>>>>>>>>>>>>>>>>>>>>> ");} public static int getsteps () {// use the minimum public multiple to reduce the number of traversal times. Int I = 1; int step = 2; Boolean maxstep = false; while (true) {system. Out. Print ("

/*************************************** ************************Computer report 1: accumulated (c)AUTHOR: liuyongshuiDATE :************************************************ ***********************//*Question 4: f = 1! -2! + 3! -4! +... + 9! */ # Include # Define N 9 Void f (int m); // original function declaration Int

1. There are 4 Threads a,B,C,D, print separately 1,2,3,4, please start them at the same time, but require to follow The sequential output of the 1234. public class TestABCThread3 {Private Object lock = new Object ();private int count;public static void Main (string[] args) {TESTABCTHREAD3 ABC = new TESTABCTHREAD3 ();New Thread (Abc.new Run ("C", 3)). Start ();New Thread (Abc.new Run ("D",

1 /*surface area of cylindrical body. CPP:2 Problem Description: Enter the radius of the cylinder R and H, the surface area of the output cylinder S. Hint: π value directly write 3.14159263 */ 4 5#include"stdafx.h" 6 7 8 intMain ()9 { Ten floatR, H, A; Oneprintf"Input the radius and height of the cylinder.\n"); Ascanf_s ("%f \%f", r, h); - -A =2*3.1415926f* R * H +2*3.1415926f* R *R; the

Title: There are 1, 2, 3, 4 of these 4 digits, can be composed of a number of different and no repeat number of three digits? How much are they? Program Analysis: Can be filled in hundreds, 10 digits, single-digit numbers are 1, 2, 3, 4. Form all permutations and then remov

In the workplace, everyone wants to improve their work efficiency. We all live in a four-dimensional space. Because of the time dimension, everything cannot stop forever, nor can it happen at the same time. What we are looking for is how to improve work efficiency, let 1 be equal to or greater than 2, and free ourselves from endless work. But it is not easy to do it. So, is this proposition designed to capture the eye? Of course not. When talking ab

#!/usr/bin/env python# Coding:utf-8Import Redef Dealwith (Express): Express.replace ('+-','-') Express.replace ('--','+') returnexpressdef Col_suanshu (exp):if '/' inchexp:a,b= Exp.split ('/') returnStrfloat(a)/float(b))if '*' inchexp:a,b= Exp.split ('*') returnStrfloat(a) *float(b) def get_no_barcate (Express): Express=express.strip ('()') Print ('>>>', Express) whileTrue:ret= Re.search ("-?\d+\.? \d*[*/]-?\d+\.? \d*", Express)ifRet:res=Col_suanshu (Ret.group ()) Express= Ex

implementations.Hadoop has an abstract concept for file systems, and HDFs is just one of those implementations. Java's abstract class Org.apache.hadoop.fs.FileSystem defines the interface between the client and the file system, and there are several specific implementations of the abstract class.b) Hadoop is written in Java, so most of Hadoop filesystem interactions is mediated through the Java API.Hadoop is written in Java, so the interaction of most Hadoop file systems is done through the Jav

Package COM. WZS; // Add difficulty to the first question. Use the numbers 1, 2, 3, 4, and 5 to write a main function in Java and print out all the different orders, // For example, 51234, 12345, etc., the requirement: "4" cannot be In the third place, "3" and "5" cannot be connected. Public class test3 {public static void main (string [] ARGs) {int number = 0; i

Generates a random numeric password of the specified lengthGenerates a random letter password of the specified lengthGenerates a mix of random numbers and letters of a specified length#encoding =utf-8Import RandomImport stringClass Password_generator:Password_time=0def __init__ (self,length):Self.length=lengthdef digital_password (self):Password_generator.password_time+=1S= ""For I in Range (self.length):S+=str (Random.randint (0,9))return s@classmethoddef letter_password (cls,length):Password_g

An integer expressed in four bytes. A total of only 2 ^ 32 is approximately 4G.For the sake of simplicity, we can assume that they are all unsigned integers.Allocate MB memory. Each bit represents an integer, which can represent an integer of 4 bytes. The initial value is 0. The basic idea is to set the corresponding bit location to 1 for each number read. After processing the 40 Gb number, traverse the mem

;=1 A + D 1 A + e + f = =2 B + c! =1 C + D = =1 (d + e = =0|| D = =1) {Console.WriteLine ("A:"+ A +"\NB:"+ B +"\NC:"+ C +"\nd:"+ D +"\ne:", B +"\NF:"+f); } } } }

)function Mail() { varPatten2=NewREGEXP (/^[0-9| a-z|_]{1,17}[@][0-9| a-z]{1,3}. (COM) $/)//e-mail Regular expression varPatten1 =NewREGEXP (/(\d{11}) |^ ((\d{7,8}) | ( \D{4}|\D{3})-(\d{7,8}) | (\d{4}|\d{3})-(\d{7,8})-(\d{4}|\d{3}|\d{2}|\d{1}) | (\d{7,8})-(\d{4}|\d{3}|

Mobile phone audio and video 4-basic functions of video players (1) and 4-basic functions 1. MediaPlayer and VideoView Introduction The Android system provides developers to develop multimedia applications (audio and video) 1. MediaPlayer, The underlying layer is decoded, A

You can execute several statements to accelerate the INSERT operation after locking the table:Lock tables a WRITE;Insert into a VALUES );Insert into a VALUES (8, 26), (6, 29 );Unlock tables;This improves the performance by refresh the index cache to the disk at a time until all INSERT statements are completed. In general, there will be an overhead for refreshing the index cache to the disk for many INSERT statements. If multiple values can be inserted in one statement at a time, the displayed lo

Restart idea: Restart idea: After restart, enter the following interface: Step 4: Compile scala code in idea: First, select "create new project" on the interface that we entered in the previous step ": Select the "Scala" option in the list on the left: To facilitate future development, select the "SBT" option on the right: Click "Next" to go to the next step and set the name and directory of the scala project: Click "finish" to