[레넌] 8주차 과제 제출

8주차/16498/16498_JAVA_레넌.java

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+package boj.p16498;
+
+import static java.lang.Integer.parseInt;
+
+import java.io.BufferedReader;
+import java.io.BufferedWriter;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.OutputStreamWriter;
+import java.util.Arrays;
+import java.util.StringTokenizer;
+
+public class Main {
+
+    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 countOfA = parseInt(st.nextToken());
+        int[] cardOfA = new int[countOfA];
+        int countOfB = parseInt(st.nextToken());
+        int[] cardOfB = new int[countOfB];
+        int countOfC = parseInt(st.nextToken());
+        int[] cardOfC = new int[countOfC];
+
+        st = new StringTokenizer(br.readLine());
+        for (int i = 0; i < countOfA; i++) {
+            cardOfA[i] = parseInt(st.nextToken());
+        }
+
+        st = new StringTokenizer(br.readLine());
+        for (int i = 0; i < countOfB; i++) {
+            cardOfB[i] = parseInt(st.nextToken());
+        }
+
+        st = new StringTokenizer(br.readLine());
+        for (int i = 0; i < countOfC; i++) {
+            cardOfC[i] = parseInt(st.nextToken());
+        }
+
+        Arrays.sort(cardOfA);
+        Arrays.sort(cardOfB);
+        Arrays.sort(cardOfC);
+
+        int pointA = 0;
+        int pointB = 0;
+        int pointC = 0;
+
+        int result = Integer.MAX_VALUE;
+        while (true) {
+            int max = Math.max(Math.max(cardOfA[pointA], cardOfB[pointB]), cardOfC[pointC]);
+            int min = Math.min(Math.min(cardOfA[pointA], cardOfB[pointB]), cardOfC[pointC]);
+            if (max - min < result) {
+                result = max - min;
+            }
+            if (min == cardOfA[pointA] && pointA < cardOfA.length - 1) {
+                pointA++;
+            } else if (min == cardOfB[pointB] && pointB < cardOfB.length - 1) {
+                pointB++;
+            } else if (min == cardOfC[pointC] && pointC < cardOfC.length - 1) {
+                pointC++;
+            } else {
+                break;
+            }
+        }
+
+        bw.write(result + "");
+        bw.flush();
+
+        bw.close();
+        br.close();
+    }
+}