Merge pull request #49 from kkangsol/main

feat(Hansol): add /Baekjoon-2751.java, /Baekjoon-GraphPractice.java

Author: kkangsol

Hansol/august/Boj2751.java

@@ -0,0 +1,30 @@
+package fisa_cote.august;
+
+import java.io.*;
+import java.util.*;
+
+public class Boj2751 {
+	public static void main(String[] args) throws IOException{
+		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+		BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
+		StringBuilder sb = new StringBuilder();
+		int N = Integer.parseInt(br.readLine());
+		
+		List<Integer> list = new ArrayList<Integer>();
+		
+		while(N-- > 0) {
+			list.add(Integer.parseInt(br.readLine()));
+		}
+		
+		Collections.sort(list);
+		
+		for(int num : list) {
+			sb.append(num).append("\n");
+		}
+		
+		bw.write(sb.toString());
+		bw.flush();
+		bw.close();
+		br.close();
+	}
+}

Hansol/august/GraphPractice.java

@@ -0,0 +1,43 @@
+package fisa_cote.august;
+
+import java.util.*;
+import java.io.*;
+
+
+public class GraphPractice {
+	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.readLine());
+		int N = Integer.parseInt(st.nextToken());
+		int M = Integer.parseInt(st.nextToken());
+		
+		List<List<Integer>> list = new ArrayList<List<Integer>>();
+
+		for(int i = 0; i <= N; i++) {
+			list.add(new ArrayList<>());
+		}
+		
+		
+		for(int i = 0; i < M; i++) {
+			st = new StringTokenizer(br.readLine());
+			int a = Integer.parseInt(st.nextToken());
+			int b = Integer.parseInt(st.nextToken());
+			
+			list.get(a).add(b);
+			list.get(b).add(a);
+		}
+		
+		for(int i = 1; i <= N; i++) {
+			bw.write(i + " ");
+			for(int num : list.get(i)) {
+				bw.write(num + " ");
+			}
+			bw.write("\n");
+		}
+		
+		bw.flush();
+		bw.close();
+		br.close();
+	}
+}