[20250212] BOJ / G3 / 파일 탐색기 / 권혁준

khj20006/202502/12 BOJ G3 파일 탐색기.md

@@ -0,0 +1,119 @@
+```java
+
+import java.util.*;
+import java.io.*;
+import java.math.BigInteger;
+
+class Main {
+
+	// IO field
+	static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+	static BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
+	static StringTokenizer st;
+
+	static void nextLine() throws Exception {st = new StringTokenizer(br.readLine());}
+	static int nextInt() {return Integer.parseInt(st.nextToken());}
+	static long nextLong() {return Long.parseLong(st.nextToken());}
+	static void bwEnd() throws Exception {bw.flush();bw.close();}
+
+	// Additional field
+	static List<String>[] arr;
+	static int N;
+	static HashMap<String, Integer> hash;
+	static List<String> temp;
+
+	public static void main(String[] args) throws Exception {
+
+		ready();
+		solve();
+
+		bwEnd();
+	}
+
+	static void ready() throws Exception{
+
+		N = Integer.parseInt(br.readLine());
+		arr = new List[N];
+		temp = new ArrayList<>();
+		for(int i=0;i<N;i++) {
+			arr[i] = new ArrayList<>();
+			String number = "";
+			for(char c:br.readLine().toCharArray()) {
+				if(('A'<=c && c<='Z') || ('a'<=c && c<='z')) {
+					if(!number.equals("")) {
+						arr[i].add(number);
+						temp.add(number);
+					}
+					arr[i].add(""+c);
+					number = "";
+				}
+				else {
+					number += c;
+				}
+			}
+			if(!number.equals("")) {
+				arr[i].add(number);
+				temp.add(number);
+			}
+
+		}
+
+		hash = new HashMap<>();
+
+		Collections.sort(temp, (p,q) -> {
+			BigInteger a = new BigInteger(p);
+			BigInteger b = new BigInteger(q);
+			if(a.compareTo(b) == 1) return 1;
+			if(a.compareTo(b) == -1) return -1;
+			int a_zeros = 0, b_zeros = 0;
+			for(char c:p.toCharArray()) {
+				if(c != '0') break;
+				a_zeros++;
+			}
+			for(char c:q.toCharArray()) {
+				if(c != '0') break;
+				b_zeros++;
+			}
+			return a_zeros-b_zeros;
+		});
+
+		int num = 1;
+		String prev = "a";
+		for(String i : temp) {
+			if(i == prev) continue;
+			hash.put(i, num++);
+			prev = i;
+		}
+		bw.flush();
+
+		for(int i=0;i<26;i++) {
+			hash.put(""+(char)(i+65), num++);
+			hash.put(""+(char)(i+97), num++);
+		}
+
+
+	}
+
+	static void solve() throws Exception{
+
+		Arrays.sort(arr,(a,b) -> {
+
+			for(int i=0;i<Math.min(a.size(), b.size());i++) {
+				int valA = hash.get(a.get(i)), valB = hash.get(b.get(i));
+				if(valA-valB < 0) return -1;
+				if(valA-valB > 0) return 1;
+			}
+			return a.size()-b.size();
+
+		});
+
+		for(List<String> L:arr) {
+			for(String i:L) bw.write(i);
+			bw.write("\n");
+		}
+
+	}
+
+}
+
+```