Digit DP Practice Problems for Beginner's 
Difference between en3 and en4, changed 217 character(s)
### Hello, Codeforces!!↵
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These are some standard digit DP problems with their solution from which a beginner can start.↵
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1)GONE(Spoj)↵
 Problem link  : [Gone](https://www.spoj.com/problems/GONE/). ↵
 Solution link : [Gone](https://ideone.com/nOhUqM) ↵
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2) Digit Sum(Spoj)↵
 Problem link : [Digit Sum](https://www.spoj.com/problems/PR003004/).↵
 Solution link : [Digit Sum](https://ideone.com/wmt2Ly)↵
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3) Investigation(LightOJ)↵
 Problem link : [Investigation](https://lightoj.com/problem/investigation).↵
 Solution link : [Investigation](https://ideone.com/Te0I8k)↵
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4)Palindromic Numbers(LightOJ)↵
 Problem link : [Palindromic Numbers](https://lightoj.com/problem/palindromic-numbers).↵
 Solution link : [Palindromic Numbers](https://ideone.com/jEZeOY)↵
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5) Counting Numbers(CSES)↵
 Problem link : [Counting Numbers](https://cses.fi/problemset/task/2220/).↵
 Solution link : [Counting Numbers](https://www.ideone.com/sOghu7)

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  Rev. Lang. By When Δ Comment
en4 English ND_ 2021-06-12 20:03:23 217
en3 English ND_ 2021-06-12 19:40:03 30
en2 English ND_ 2021-06-12 19:19:04 3 (published)
en1 English ND_ 2021-06-12 19:18:23 755 Initial revision (saved to drafts)