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목록Algorithm/Binary Search (5)
Byeol Lo
모든 것은 배열이나 리스트가 정렬되어 있다는 가정하에 진행한다. 이진 탐색은 거의 다음과 같은 형태로 정형화 가능하다. private static void binarySearch(ArrayList arr, T target) { int min = 0; int max = arr.size()-1; int mid; while(mid ~ max) { mid = (min + max) / 2; if(?) if(arr.get(mid) ~ target) else return k; 보통 ~에 비교 관계가 어떻게 들어가냐에 따라 다르다. while 문을 먼저 살펴보자. 공식 // 1. while(min < max) // 2. while(min
import java.io.IOException; import java.io.InputStreamReader; import java.io.BufferedReader; import java.util.ArrayList; import java.util.StringTokenizer; import java.util.Collections; public class Main { final static BufferedReader BR = new BufferedReader(new InputStreamReader(System.in)); static StringTokenizer st; public static void main(String[] args) throws IOException { BR.readLine(); Arra..
import java.io.IOException; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.BufferedWriter; import java.io.OutputStreamWriter; import java.util.ArrayList; import java.util.StringTokenizer; public class Main { final static BufferedReader BR = new BufferedReader(new InputStreamReader(System.in)); final static BufferedWriter BW = new BufferedWriter(new OutputStreamWr..
import java.io.IOException; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.BufferedWriter; import java.io.OutputStreamWriter; import java.util.ArrayList; import java.util.StringTokenizer; public class Main { final static BufferedReader BR = new BufferedReader(new InputStreamReader(System.in)); final static BufferedWriter BW = new BufferedWriter(new OutputStreamWr..
import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.IOException; import java.io.BufferedWriter; import java.io.OutputStreamWriter; import java.util.ArrayList; import java.util.StringTokenizer; import java.util.Collections; public class Main { public static final BufferedReader BR = new BufferedReader(new InputStreamReader(System.in)); public static final BufferedWrite..