diff --git a/code/src/main/java/com/raorao/interview/beike/t1/Main.java b/code/src/main/java/com/raorao/interview/beike/t1/Main.java
new file mode 100644
index 00000000..2967d5a9
--- /dev/null
+++ b/code/src/main/java/com/raorao/interview/beike/t1/Main.java
@@ -0,0 +1,69 @@
+package com.raorao.interview.beike.t1;
+
+import java.util.Arrays;
+import java.util.Comparator;
+import java.util.Scanner;
+
+/**
+ * .
+ *
+ * @author Xiong Raorao
+ * @since 2018-08-18-19:53
+ */
+public class Main {
+
+  public static void main(String[] args) {
+    Scanner scanner = new Scanner(System.in);
+    String line1 = scanner.nextLine();
+    String[] items = line1.split(" ");
+    int n = Integer.parseInt(items[0]);
+    int p1 = Integer.parseInt(items[1]);
+    int p2 = Integer.parseInt(items[2]);
+    int p3 = Integer.parseInt(items[3]);
+    int t1 = Integer.parseInt(items[4]);
+    int t2 = Integer.parseInt(items[5]);
+    Interval[] intervals = new Interval[n];
+    for (int i = 0; i < n; i++) {
+      String[] temp = scanner.nextLine().split(" ");
+      intervals[i] = new Interval(Integer.parseInt(temp[0]), Integer.parseInt(temp[1]));
+    }
+    System.out.println(compute(n, p1, p2, p3, t1, t2, intervals));
+
+
+  }
+
+  public static int compute(int n, int p1, int p2, int p3, int t1, int t2, Interval[] intervals) {
+    int count = 0;
+    Arrays.sort(intervals, Comparator.comparingInt(e -> e.end));
+    for (int i = 0; i < n; i++) {
+      count += p1 * (intervals[i].end - intervals[i].start);
+      if (i < n - 1) {
+        count += intevalSum(p1, p2, p3,t1, t2,  intervals[i + 1].start - intervals[i].end);
+      }
+    }
+    return count;
+  }
+
+  public static int intevalSum(int p1, int p2, int p3, int t1, int t2,  int interval) {
+    if (interval <= 0) {
+      return 0;
+    } else if (interval <= t1) {
+      return p1 * interval;
+    } else if (interval <= t1 + t2) {
+      return p1 * t1 + p2 * (interval - t1);
+    } else {
+      return p1 * t1 + p2 * t2 + p3 * (interval - t1 - t2);
+    }
+  }
+
+  static class Interval {
+
+    int end;
+    private int start;
+
+    public Interval(int start, int end) {
+      this.start = start;
+      this.end = end;
+    }
+  }
+}
diff --git a/code/src/main/java/com/raorao/interview/beike/t1/t2/Main.java b/code/src/main/java/com/raorao/interview/beike/t1/t2/Main.java
new file mode 100644
index 00000000..f03a388f
--- /dev/null
+++ b/code/src/main/java/com/raorao/interview/beike/t1/t2/Main.java
@@ -0,0 +1,30 @@
+package com.raorao.interview.beike.t1.t2;
+
+import java.util.Scanner;
+
+/**
+ * .
+ *
+ * @author Xiong Raorao
+ * @since 2018-08-18-20:35
+ */
+public class Main {
+
+  public static void main(String[] args) {
+    Scanner scanner = new Scanner(System.in);
+    int n = Integer.parseInt(scanner.nextLine());
+    String[] line = scanner.nextLine().split(" ");
+    int[] data = new int[n];
+    for (int i = 0; i < n; i++) {
+      data[i] = Integer.parseInt(line[i]);
+    }
+
+    int count = 0;
+    for (int i = 0; i < 5; i++) {
+      for (int j = 0; j < 5; j++) {
+        count += Math.abs(data[i] - data[j]);
+      }
+    }
+    System.out.println(count);
+  }
+}
diff --git a/code/src/main/java/com/raorao/interview/beike/t1/t3/Main.java b/code/src/main/java/com/raorao/interview/beike/t1/t3/Main.java
new file mode 100644
index 00000000..215a375f
--- /dev/null
+++ b/code/src/main/java/com/raorao/interview/beike/t1/t3/Main.java
@@ -0,0 +1,37 @@
+package com.raorao.interview.beike.t1.t3;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * .
+ *
+ * @author Xiong Raorao
+ * @since 2018-08-18-20:54
+ */
+public class Main {
+
+  public static void main(String[] args) {
+    String test = "8K67A65K27T59K346AK2";
+    // out = 4;
+
+  }
+
+
+  /**
+   *
+   *   /*
+   *   样例解释
+   * 4轮出牌顺序为：
+   * A234567
+   * 56789T
+   * KKKKA2
+   * 6
+   *
+   *    */
+
+  public static void process(String input) {
+    char[] chars = input.toCharArray();
+    Map<String, Integer> map = new HashMap<>();
+  }
+}