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@developer-sdk
developer-sdk / Problem1275.java
Created November 13, 2017 13:15
백준,1275,커피숍2,세그먼트 트리
import java.util.Scanner;
/**
* 백준, 1275
* 커피숍2
*
* @author whitebeard-k
*
*/
public class Problem1275 {
@developer-sdk
developer-sdk / Problem1149.java
Created November 15, 2017 14:06
백준, 1149, RGB 거리, 다이나믹프로그래밍
import java.util.Scanner;
/**
* 백준, 다이나믹, 1149, RGB 거리
*
* @author whitebeard-k
*
*/
public class Problem1149 {
@developer-sdk
developer-sdk / multi_process1.py
Last active December 7, 2017 13:46
python MulitProcessing 처리 방법 3가지 예제
#!/usr/bin/python
# -*- coding: utf-8 -*-
import multiprocessing
import random
import time
def worker(num):
for i in range(5):
print("{0}, {1}".format(num, i))
return
@developer-sdk
developer-sdk / HttpConnectionExample.java
Created December 13, 2017 13:54
HTTP Get, Post 방식 데이터 전송 테스트, 프록시 서버 처리
package sdk.java;
import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import javax.net.ssl.HttpsURLConnection;
@developer-sdk
developer-sdk / Queue.java
Last active December 26, 2017 14:24
java를 이용한 큐구현
/**
* Java를 이용한 큐 구현
*
* @author whitebeard
*
*/
public class Queue {
private int[] array;
private int head;
@developer-sdk
developer-sdk / QueueStack.java
Created December 27, 2017 14:57
큐 2개를 이용하여 스택을 구현하기
import java.util.LinkedList;
import java.util.Queue;
/**
* 큐를 이용하여 스택 구현하기
* 큐 2개를 이용하여 스택을 구현하는 방법
*
* push 시점에는 inBox 큐에 입력
* pop 시점에는 inBox 에 있는 데이터를
* outBox에 넣어서 출력한다.
@developer-sdk
developer-sdk / Problem1753.java
Created December 27, 2017 15:03
백준 1753 다익스트라 알고리즘
import java.util.HashMap;
import java.util.LinkedList;
import java.util.Scanner;
/**
* 백준, 1753, 다익스트라 알고리즘
*
* @author whitebeard
*
*/
@developer-sdk
developer-sdk / Problem2499.java
Created January 8, 2018 14:18
정올, 그리디, 2499
package sdk.jungol.greedy;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.TreeSet;
public class Problem2499 {
static TreeSet<Integer> set = new TreeSet<>();
@developer-sdk
developer-sdk / SimpleDateFormatPattern.java
Created January 9, 2018 14:13
SimpleDateFormat 이용하기
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
public class SimpleDateFormatPattern {
public static String unixTimeToStrDate(String unixtime) {
Date date = new Date(Long.parseLong(unixtime));
DateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
@developer-sdk
developer-sdk / Problem1991.java
Created January 13, 2018 05:21
백준, 1991, 트리순회
import java.io.BufferedReader;
import java.io.InputStreamReader;
/**
* 백준 온라인 저지
* 1991
* 트리순회
*
* @author whitebeard-k
*