diff --git a/5.leetcode/src/com/fanxb/common/Q1744.java b/5.leetcode/src/com/fanxb/common/Q1744.java
new file mode 100644
index 0000000..6530bca
--- /dev/null
+++ b/5.leetcode/src/com/fanxb/common/Q1744.java
@@ -0,0 +1,60 @@
+package com.fanxb.common;
+
+import java.util.Arrays;
+
+/**
+ * Date: 2020/6/9 15:10
+ */
+public class Q1744 {
+
+    public boolean[] canEat(int[] candiesCount, int[][] queries) {
+        long[] daySum = new long[candiesCount.length];
+        long sum = 0;
+        for (int i = 0; i < candiesCount.length; i++) {
+            sum += candiesCount[i];
+            daySum[i] = sum;
+        }
+        boolean[] res = new boolean[queries.length];
+        for (int i = 0; i < queries.length; i++) {
+            int[] query = queries[i];
+            long maxNum = (long) query[2] * (query[1] + 1);
+            if (maxNum >= daySum[query[0]]) {
+                res[i] = (query[1] + 1) <= daySum[query[0]];
+            } else {
+                res[i] = query[0] == 0 || maxNum > daySum[query[0] - 1];
+            }
+        }
+        return res;
+    }
+
+
+    public static void main(String[] args) {
+
+//        System.out.println(Arrays.toString(new Q1744().canEat(new int[]{}
+//                , new int[][]{{48942, 869704869, 212630006}})));
+        Node a = new Node(1);
+        Node b = new Node(2);
+        Node c = new Node(3);
+        Node d = new Node(4);
+        a.next = b;
+        b.next = c;
+        c.next = d;
+        Node last = null, current = a, next = a.next;
+        while (current.next != null) {
+            current.next = last;
+            last = current;
+            current = next;
+            next = next.next;
+        }
+        current.next = last;
+    }
+
+    public static class Node {
+        private int val;
+        private Node next;
+
+        public Node(int val) {
+            this.val = val;
+        }
+    }
+}
diff --git a/5.leetcode/src/com/fanxb/common/Q2.java b/5.leetcode/src/com/fanxb/common/Q2.java
new file mode 100644
index 0000000..157836e
--- /dev/null
+++ b/5.leetcode/src/com/fanxb/common/Q2.java
@@ -0,0 +1,22 @@
+package com.fanxb.common;
+
+/**
+ * 两数相加
+ *
+ * @author fanxb
+ * @date 2021/6/1
+ **/
+public class Q2 {
+    public static class ListNode {
+        int val;
+        ListNode next;
+
+        public ListNode(int val) {
+            this.val = val;
+        }
+    }
+
+    public static void main(String[] args) {
+
+    }
+}
diff --git a/5.leetcode/src/com/fanxb/common/Q46.java b/5.leetcode/src/com/fanxb/common/Q46.java
index c2279be..16fc1a7 100644
--- a/5.leetcode/src/com/fanxb/common/Q46.java
+++ b/5.leetcode/src/com/fanxb/common/Q46.java
@@ -23,7 +23,5 @@ public class Q46 {
 
     public static void main(String[] args) {
         System.out.println(new Q46().translateNum(12258));
-        new Thread().getState();
-
     }
 }