[연로그] 8주차 과제 제출

8주차/14906/14906_java_연로그.java

@@ -0,0 +1,68 @@
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+
+public class Main {
+
+    private static final StringBuilder sb = new StringBuilder();
+
+    public static void main(String[] args) throws IOException {
+        // input
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        int n = Integer.parseInt(br.readLine());
+
+        sb.append("SLURPYS OUTPUT\n");
+        for (int i = 0; i < n; i++) {
+            String string = br.readLine();
+            if (isSlurpy(string)) {
+                sb.append("YES\n");
+            } else {
+                sb.append("NO\n");
+            }
+        }
+        sb.append("END OF OUTPUT\n");
+        System.out.println(sb);
+        br.close();
+    }
+
+    private static boolean isSlurpy(String string) {
+        int index = string.lastIndexOf('C');
+        if (index == -1) {
+            if (string.startsWith("AH")) {
+                return isSlump(string.substring(2));
+            }
+            return false;
+        }
+
+        String checkSlimp = string.substring(0, index + 1);
+        String checkSlump = string.substring(index + 1);
+
+        return isSlimp(checkSlimp) && isSlump(checkSlump);
+    }
+
+    private static boolean isSlimp(String string) {
+        int length = string.length();
+
+        if (length < 2) {
+            return false;
+        }
+
+        if (length == 2) {
+            return "AH".equals(string);
+        }
+
+        if (string.charAt(0) != 'A' || string.charAt(length - 1) != 'C') {
+            return false;
+        }
+
+        if (string.charAt(1) == 'B') {
+            return isSlimp(string.substring(2, length - 1));
+        }
+
+        return isSlump(string.substring(1, length - 1));
+    }
+
+    private static boolean isSlump(String string) {
+        return string.matches("^[DE]F+[DEFG]*G$");
+    }
+}

8주차/16498/16498_java_연로그.java

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+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.Arrays;
+
+public class Main {
+
+    // 3중 for문으로 풀었는데 돌아가는게 맞는걸까요? ........
+    // 다른 풀이 방법은 생각 안나서 일단 제출합니다 좋은 풀이 방법에 대한 힌트 제안 부탁드려요
+
+    public static void main(String[] args) throws IOException {
+        // input
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        br.readLine();
+        int[] as = convert(br.readLine());
+        int[] bs = convert(br.readLine());
+        int[] cs = convert(br.readLine());
+        br.close();
+
+        // sort
+        Arrays.sort(as);
+        Arrays.sort(bs);
+        Arrays.sort(cs);
+
+        // calculate
+        int min = Integer.MAX_VALUE;
+        for (int a : as) {
+            for (int b : bs) {
+                for (int c : cs) {
+                    min = Math.min(calculate(a, b, c), min);
+                }
+            }
+        }
+        System.out.println(min);
+    }
+
+    private static int[] convert(String string) {
+        return Arrays.stream(string.split(" "))
+                .mapToInt(Integer::parseInt)
+                .toArray();
+    }
+
+    private static int calculate(int a, int b, int c) {
+        return Math.abs(Math.max(a, Math.max(b, c)) - Math.min(a, Math.min(b, c)));
+    }
+}