BOJ_2075 : N번째 큰 수

Author: spring0913

week4/BOJ_2075(N번째 큰 수).java

@@ -0,0 +1,22 @@
+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<Integer> q = new PriorityQueue<>((o1, o2) -> o2 - o1);
+        for(int i=0; i<N; i++) {
+            StringTokenizer st = new StringTokenizer(br.readLine());
+            for(int j=0; j<N; j++) {
+                int num = Integer.parseInt(st.nextToken());
+                q.offer(num);
+            }
+        }
+        for(int i=0; i<N-1; i++) {
+            q.poll();
+        }
+        System.out.println(q.peek());
+    }
+}