数位dp

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#	Origin	Title
A	SPOJ BALNUM	Balanced Numbers
B	HYSBZ 1799	self 同类分布
C	HYSBZ 5513	甲苯先生的线段树
D	HYSBZ 3668	起床困难综合症
E	HYSBZ 3530	数数
F	CodeForces 55D	Beautiful numbers
G	CodeForces 279D	The Minimum Number of Variables
H	CodeForces 215E	Periodical Numbers
I	CodeForces 258D	Little Elephant and Broken Sorting

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Run ID	Username	Prob	Result	Time (ms)	Mem (MB)	Length	Lang	Submit Time

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href\u003d\"https://codeforces.com/contest/55\"\u003eCodeforces Beta Round 51\u003c/a\u003e","spoiler":true},{"title":"Tags","content":"\r\n    dp\r\n\n\r\n    number theory\r\n\n\r\n    *2500\r\n","spoiler":true},{"title":"Editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/1107\" title\u003d\"Codeforces Beta Round #51\" target\u003d\"_blank\"\u003eAnnouncement\u003c/a\u003e","spoiler":true}],"weight":1,"submitTips":"The contest is too ancient. 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New submissions will be considered out of the contest.","languages":{"88":"Kotlin 1.9.21","89":"GNU G++20 13.2 (64 bit, winlibs)","67":"Ruby 3.2.2","28":"D DMD32 v2.105.0","70":"PyPy 3.10 (7.3.15, 64bit)","50":"GNU G++14 6.4.0","51":"PascalABC.NET 3.8.3","31":"Python 3.8.10","75":"Rust 1.75.0 (2021)","54":"GNU G++17 7.3.0","32":"Go 1.22.2","55":"Node.js 15.8.0 (64bit)","12":"Haskell GHC 8.10.1","34":"JavaScript V8 4.8.0","79":"C# 10, .NET SDK 6.0","13":"Perl 5.20.1","36":"Java 8 32bit","19":"OCaml 4.02.1","3":"Delphi 7","4":"Free Pascal 3.2.2","6":"PHP 8.1.7","7":"Python 2.7.18","9":"C# Mono 6.8","83":"Kotlin 1.7.20","40":"PyPy 2.7.13 (7.3.0)","41":"PyPy 3.6.9 (7.3.0)","20":"Scala 2.12.8","43":"GNU GCC C11 5.1.0","65":"C# 8, .NET Core 3.1","87":"Java 21 64bit"},"submitMethods":[true,true,true]},{"pid":30832,"title":"Periodical Numbers","oj":"CodeForces","probNum":"215E","num":"H","publicDescId":3121150611475634,"publicDescVersion":1715175299000,"properties":[{"title":"Time limit","content":"2000 ms","spoiler":false},{"title":"Mem limit","content":"262144 kB","spoiler":false},{"title":"Source","content":"\u003ca style\u003d\"color: black\" href\u003d\"https://codeforces.com/contest/215\"\u003eCodeforces Round 132 (Div. 2)\u003c/a\u003e","spoiler":true},{"title":"Tags","content":"\r\n    combinatorics\r\n\n\r\n    dp\r\n\n\r\n    number theory\r\n\n\r\n    *2100\r\n","spoiler":true},{"title":"Editorial","content":"\u003ca href\u003d\"https://codeforces.com/blog/entry/5017\" title\u003d\"Codeforces Round #132 (Div. 2)\" target\u003d\"_blank\"\u003eAnnouncement #1\u003c/a\u003e\n\u003ca href\u003d\"https://codeforces.com/blog/entry/5017\" title\u003d\"Codeforces Round #132 (Div. 2)\" target\u003d\"_blank\"\u003eAnnouncement #2\u003c/a\u003e\n\u003ca href\u003d\"https://codeforces.com/blog/entry/5018\" title\u003d\"Codeforces Round #132 (Div. 2) Tutorial\" target\u003d\"_blank\"\u003eTutorial #2\u003c/a\u003e","spoiler":true}],"weight":1,"submitTips":"The contest is too ancient. 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