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# Number Manipulation I

Curated by : goc3

Number Manipulation I Master

+50 points

Problem Title Likes Solvers Difficulty

#### Problem 138. Number of 1s in the Binary Representation of a Number

Created by: @bmtran (Bryant Tran)

Tags binary, base, count

2

365

#### Problem 145. Increment a number, given its digits

Created by: the cyclist

10

574

#### Problem 172. Test if a Number is a Palindrome without using any String Operations

Created by: @bmtran (Bryant Tran)

1

184

#### Problem 227. Math with Roman Numerals

Created by: eric landiech

Tags encoding

1

55

#### Problem 302. Convert Roman to Arabic Numerals

Created by: Alan Chalker

2

76

#### Problem 324. 7 segment LED display

Created by: Alan Chalker

6

205

#### Problem 602. Make a simplified barcode

Created by: Doug Hull

Tags ml101

3

134

#### Problem 603. Decode a simplified barcode

Created by: Doug Hull

Tags ml101

0

99

#### Problem 1748. Ripping numbers apart!

Created by: Chris E.

3

76

#### Problem 1871. Numbers in extended form

Created by: James

5

73

#### Problem 1879. Converting numbers back from extended form

Created by: James

2

78

#### Problem 2040. Additive persistence

Created by: Jean-Marie Sainthillier

4

130

#### Problem 2120. Rounding off numbers to n decimals

Created by: Marcel

Tags basic, easy, matlab

12

1444

#### Problem 2126. Split bread like the Pharaohs - Egyptian fractions and greedy algorithm

Created by: Muthu Annamalai

3

51

#### Problem 2133. Reverse Calculator

Created by: Vivek

1

127

#### Recent Activity

 on 10 Jun 2021 at 7:58 on 9 Jun 2021 at 3:21 on 9 Jun 2021 at 3:10 on 9 Jun 2021 at 3:04 on 5 Jun 2021 at 21:55

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