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[문제]코딩테스트 연습 - 체육복 | 프로그래머스 스쿨 프로그래머스SW개발자를 위한 평가, 교육의 Total Solution을 제공하는 개발자 성장을 위한 베이스캠프programmers.co.kr [소스 코드]import java.util.*;class Solution { public int solution(int n, int[] lost, int[] reserve) { HashSet lost_hs = new HashSet(); HashSet reserve_hs = new HashSet(); for(int i : lost) lost_hs.add(i); for(int i : reserve) { if(lost_hs.contains..

[문제]https://www.acmicpc.net/problem/2170 [소스 코드]import java.io.*;import java.util.*;public class Main { static class Line{ int start,end; Line(int start,int end){ this.start = start; this.end = end; } } public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st; int n = Integer.pa..

[문제]https://www.acmicpc.net/problem/1744 [소스 코드]import java.io.*;import java.util.*;public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); int n = Integer.parseInt(br.readLine()); PriorityQueue positive = new PriorityQueue((a,b)-> b.compareTo(a)); PriorityQueue negative = new Pr..

Set 사용: 기기의 종류가 적어서 속도 측면에서는 좀 느림! (but, 메모리 효율적) [문제]https://www.acmicpc.net/problem/1700 [소스 코드]import java.io.*;import java.util.*;public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(br.readLine()); int n = Integer.parseInt(st.nextToken..

[문제]https://www.acmicpc.net/problem/15903 [소스 코드]import java.io.*;import java.util.*;public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(br.readLine()); int n = Integer.parseInt(st.nextToken()); int m = Integer.parseInt(st.nextToken())..

[문제]https://www.acmicpc.net/problem/1541 [소스 코드]import java.io.*;import java.util.*;public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); String s = br.readLine(); int num = 0; int sign = 1; int result = 0; for(int i=0;i

[문제]https://www.acmicpc.net/problem/1541 [소스 코드]import java.io.*;import java.util.*;public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); String s = br.readLine(); int num = 0; int sign = 1; int result = 0; for(int i=0;i

[문제]https://www.acmicpc.net/problem/1439\ [소스 코드]import java.io.*;import java.util.*;public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); String s = br.readLine(); int cnt = 0; for(int i=1;i

[문제]https://www.acmicpc.net/problem/11501 [소스 코드]import java.io.*;import java.util.*;public class Main { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st; int T = Integer.parseInt(br.readLine()); while(T-->0) { int n = Integer.parseInt(br.readLine()); int[] stock ..