![[투 포인터] 백준 11728번 배열 합치기 - Java](https://img1.daumcdn.net/thumb/R750x0/?scode=mtistory2&fname=https%3A%2F%2Fblog.kakaocdn.net%2Fdn%2FbjLpYE%2FbtsM9YOUVRU%2F8dxKhTykAjcXkeuP52ypLk%2Fimg.png)
https://www.acmicpc.net/problem/11728 ✅ 문제🔑 풀이import java.io.*;import java.util.StringTokenizer;public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out)); StringTokenizer st = new StringTokenizer(br.rea..
![[투 포인터] 백준 1940번 주몽 - Java](https://img1.daumcdn.net/thumb/R750x0/?scode=mtistory2&fname=https%3A%2F%2Fblog.kakaocdn.net%2Fdn%2Fppnrw%2FbtsMKVeeSoJ%2FShrEl7rUeWHGjvFhmGENW0%2Fimg.png)
https://www.acmicpc.net/problem/1940import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.ArrayList;import java.util.Collections;import java.util.List;import java.util.StringTokenizer;public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)..
![[투 포인터] 백준 3273번 두 수의 합 - Java](https://img1.daumcdn.net/thumb/R750x0/?scode=mtistory2&fname=https%3A%2F%2Fblog.kakaocdn.net%2Fdn%2FddcwQV%2FbtsMJ24ZYsN%2FHHwOHluWCFdbayUHYWkkok%2Fimg.png)
실버 3https://www.acmicpc.net/problem/3273투 포인터 (two-pointer) 알고리즘 적용정렬된 리스트를 활용하여 양쪽에서 탐색하면서 합을 비교1차원 배열 탐색할 때 시간복잡도 줄이는 방법 -> 투포인터투 포인터 쓰기 전 먼저 정렬(nlogn)해주기!import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.ArrayList;import java.util.Collections;import java.util.List;import java.util.StringTokenizer;// 투포인터 알고리즘public class Main { publi..