一刷400

Author: diguage

README.adoc

@@ -2825,14 +2825,14 @@ TIP: **公众号的微信号是: `jikerizhi`**。__因为众所周知的原因
 //|{doc_base_url}/0399-evaluate-division.adoc[题解]
 //|Medium
 //|
-//
-//|{counter:codes}
-//|{leetcode_base_url}/nth-digit/[400. Nth Digit^]
-//|{source_base_url}/_0400_NthDigit.java[Java]
-//|{doc_base_url}/0400-nth-digit.adoc[题解]
-//|Medium
-//|
-//
+
+|{counter:codes}
+|{leetcode_base_url}/nth-digit/[400. Nth Digit^]
+|{source_base_url}/_0400_NthDigit.java[Java]
+|{doc_base_url}/0400-nth-digit.adoc[题解]
+|Medium
+|
+
 //|{counter:codes}
 //|{leetcode_base_url}/binary-watch/[401. Binary Watch^]
 //|{source_base_url}/_0401_BinaryWatch.java[Java]

docs/0400-nth-digit.adoc

@@ -35,11 +35,41 @@ _n_ is positive and will fit within the range of a 32-bit signed integer (_n_ <
 The 11th digit of the sequence 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, ... is a 0, which is part of the number 10.
 ----
 
+== 思路分析
 
+image::images/0400-01.png[{image_attr}]
+
+image::images/0400-02.png[{image_attr}]
+
+image::images/0400-03.png[{image_attr}]
+
+image::images/0400-04.png[{image_attr}]
+
+image::images/0400-05.png[{image_attr}]
+
+image::images/0400-06.png[{image_attr}]
+
+image::images/0400-07.png[{image_attr}]
 
 [[src-0400]]
+[tabs]
+====
+一刷::
++
+--
 [{java_src_attr}]
 ----
 include::{sourcedir}/_0400_NthDigit.java[tag=answer]
 ----
+--
+
+// 二刷::
+// +
+// --
+// [{java_src_attr}]
+// ----
+// include::{sourcedir}/_0400_NthDigit_2.java[tag=answer]
+// ----
+// --
+====
 

docs/images/0400-01.png

@@ -874,7 +874,7 @@ include::0395-longest-substring-with-at-least-k-repeating-characters.adoc[levelo
 
 // include::0399-evaluate-division.adoc[leveloffset=+1]
 
-// include::0400-nth-digit.adoc[leveloffset=+1]
+include::0400-nth-digit.adoc[leveloffset=+1]
 
 // include::0401-binary-watch.adoc[leveloffset=+1]