[23.11.14/Java] list

Author: par3k

JAVA_BOJ_2023/array/boj_10813.java

@@ -0,0 +1,36 @@
+package array;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.ArrayList;
+import java.util.StringTokenizer;
+
+public class boj_10813 {
+
+    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());
+
+        ArrayList<Integer> list = new ArrayList<>(N);
+
+        for (int i = 1; i <= N; ++i) {
+            list.add(i);
+        }
+
+        for (int idx = 0; idx < M; ++idx) {
+            st = new StringTokenizer(br.readLine());
+            int i = Integer.parseInt(st.nextToken()) - 1;
+            int j = Integer.parseInt(st.nextToken()) - 1;
+
+            int tmp = list.get(i);
+            list.set(i, list.get(j));
+            list.set(j, tmp);
+        }
+        for (int i = 0; i < list.size(); ++i) {
+            System.out.print(list.get(i) + " ");
+        }
+    }
+}