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Daily Challenge #1 - String Peeler

Daily Challenge #1 - String Peeler

Reactions 402 Comments 112
1 min read
Daily Challenge #2 - String Diamond

Daily Challenge #2 - String Diamond

Reactions 100 Comments 87
1 min read
Daily Challenge #3 - Vowel Counter

Daily Challenge #3 - Vowel Counter

Reactions 74 Comments 86
1 min read
Daily Challenge #4 - Checkbook Balancing

Daily Challenge #4 - Checkbook Balancing

Reactions 54 Comments 39
2 min read
Daily Challenge #5 - Ten Minute Walk

Daily Challenge #5 - Ten Minute Walk

Reactions 50 Comments 21
1 min read
Daily Challenge #6 - Grandma and her friends

Daily Challenge #6 - Grandma and her friends

Reactions 41 Comments 16
1 min read
Daily Challenge #7 - Factorial Decomposition

Daily Challenge #7 - Factorial Decomposition

Reactions 36 Comments 21
1 min read
Daily Challenge #8 - Scrabble Word Calculator

Daily Challenge #8 - Scrabble Word Calculator

Reactions 40 Comments 17
2 min read
Daily Challenge #9 - What's Your Number?

Daily Challenge #9 - What's Your Number?

Reactions 41 Comments 26
1 min read
Daily Challenge #10 - Calculator

Daily Challenge #10 - Calculator

Reactions 45 Comments 25
1 min read
Daily Challenge #11 - Cubic Numbers

Daily Challenge #11 - Cubic Numbers

Reactions 39 Comments 13
2 min read
Daily Challenge #12 - Next Larger Number

Daily Challenge #12 - Next Larger Number

Reactions 32 Comments 25
1 min read
Daily Challenge #13 - Twice Linear

Daily Challenge #13 - Twice Linear

Reactions 15 Comments 17
1 min read
Daily Challenge #14 - Square into Squares

Daily Challenge #14 - Square into Squares

Reactions 12 Comments 12
1 min read
Daily Challenge #15 - Stop gninnipS My sdroW!

Daily Challenge #15 - Stop gninnipS My sdroW!

Reactions 21 Comments 23
1 min read
Daily Challenge #16 - Number of People on the Bus

Daily Challenge #16 - Number of People on the Bus

Reactions 29 Comments 19
1 min read
Daily Challenge #17 - Double Trouble

Daily Challenge #17 - Double Trouble

Reactions 11 Comments 20
2 min read
Daily Challenge #18 - Triple Trouble

Daily Challenge #18 - Triple Trouble

Reactions 16 Comments 12
1 min read
Daily Challenge #19 - Turn numbers into words

Daily Challenge #19 - Turn numbers into words

Reactions 34 Comments 11
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Daily Challenge Post #20 - Number Check

Daily Challenge Post #20 - Number Check

Reactions 17 Comments 13
1 min read
Daily Challenge #21 - Human Readable Time

Daily Challenge #21 - Human Readable Time

Reactions 22 Comments 21
1 min read
Daily Challenge #22 - Simple Pig Latin

Daily Challenge #22 - Simple Pig Latin

Reactions 38 Comments 18
1 min read
Daily Challenge #23 - Morse Code Decoder

Daily Challenge #23 - Morse Code Decoder

Reactions 35 Comments 16
1 min read
Daily Challenge #24 - Shortest Step

Daily Challenge #24 - Shortest Step

Reactions 18 Comments 16
1 min read
Daily Challenge #25 - Double Cola

Daily Challenge #25 - Double Cola

Reactions 13 Comments 6
1 min read
Daily Challenge #26 - Ranking Position

Daily Challenge #26 - Ranking Position

Reactions 17 Comments 13
1 min read
Daily Challenge #27 - Unlucky Days

Daily Challenge #27 - Unlucky Days

Reactions 16 Comments 12
1 min read
Daily Challenge #28 - Kill the Monster!

Daily Challenge #28 - Kill the Monster!

Reactions 35 Comments 11
1 min read
Daily Challenge #29 - Xs and Os

Daily Challenge #29 - Xs and Os

Reactions 35 Comments 60
1 min read
Daily Challenge #30 - What is the price?

Daily Challenge #30 - What is the price?

Reactions 14 Comments 9
1 min read
Daily Challenge #31 - Count IPv4 Addresses

Daily Challenge #31 - Count IPv4 Addresses

Reactions 47 Comments 13
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Daily Challenge #32 - Hide Phone Numbers

Daily Challenge #32 - Hide Phone Numbers

Reactions 37 Comments 23
1 min read
Daily Challenge #33 - Did you mean...?

Daily Challenge #33 - Did you mean...?

Reactions 45 Comments 9
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Daily Challenge #34 - WeIrD StRiNg CaSe

Daily Challenge #34 - WeIrD StRiNg CaSe

Reactions 22 Comments 31
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Daily Challenge #35 - Find the Outlier

Daily Challenge #35 - Find the Outlier

Reactions 42 Comments 30
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Daily Challenge #36 - Let's go for a run!

Daily Challenge #36 - Let's go for a run!

Reactions 21 Comments 9
1 min read
Daily Challenge #37 - Name Swap

Daily Challenge #37 - Name Swap

Reactions 35 Comments 25
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Daily Challenge #38 - Middle Name

Daily Challenge #38 - Middle Name

Reactions 36 Comments 20
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Daily Challenge #39 - Virus

Daily Challenge #39 - Virus

Reactions 18 Comments 20
1 min read
Daily Challenge #40 - Counting Sheep

Daily Challenge #40 - Counting Sheep

Reactions 39 Comments 34
1 min read
Daily Challenge #41 - Greed is Good

Daily Challenge #41 - Greed is Good

Reactions 21 Comments 19
1 min read
Daily Challenge #42 - Caesar Cipher

Daily Challenge #42 - Caesar Cipher

Reactions 50 Comments 14
1 min read
Daily Challenge #43 - Boardgame Fight Resolver

Daily Challenge #43 - Boardgame Fight Resolver

Reactions 39 Comments 22
1 min read
Daily Challenge #44 - Mexican Wave

Daily Challenge #44 - Mexican Wave

Reactions 39 Comments 47
1 min read
Daily Challenge #45 - Change Machine

Daily Challenge #45 - Change Machine

Reactions 36 Comments 20
1 min read
Daily Challenge #46 - ???

Daily Challenge #46 - ???

Reactions 39 Comments 50
1 min read
Daily Challenge #47 - Alphabets

Daily Challenge #47 - Alphabets

Reactions 42 Comments 35
1 min read
Daily Challenge #48 - Facebook Likes

Daily Challenge #48 - Facebook Likes

Reactions 51 Comments 36
1 min read
Daily Challenge #49 - Dollars and Cents

Daily Challenge #49 - Dollars and Cents

Reactions 38 Comments 24
1 min read
Daily Challenge #50 - Number Neighbor

Daily Challenge #50 - Number Neighbor

Reactions 39 Comments 20
1 min read
Daily Challenge #51 - Valid Curly Braces

Daily Challenge #51 - Valid Curly Braces

Reactions 18 Comments 37
1 min read
Daily Challenge #52 - Building a Pyramid

Daily Challenge #52 - Building a Pyramid

Reactions 42 Comments 20
1 min read
Daily Challenge #53 - Faro Shuffle

Daily Challenge #53 - Faro Shuffle

Reactions 35 Comments 20
1 min read
Daily Challenge #54 - What century is it?

Daily Challenge #54 - What century is it?

Reactions 9 Comments 23
1 min read
Daily Challenge #55 - Building a Pile of Cubes

Daily Challenge #55 - Building a Pile of Cubes

Reactions 9 Comments 16
1 min read
Daily Challenge #56 - Coffee Shop

Daily Challenge #56 - Coffee Shop

Reactions 39 Comments 32
1 min read
Daily Challenge #57 - BMI Calculator

Daily Challenge #57 - BMI Calculator

Reactions 41 Comments 22
1 min read
Daily Challenge #58 - Smelting Iron Ingots

Daily Challenge #58 - Smelting Iron Ingots

Reactions 15 Comments 10
1 min read
Daily Challenge #59 - Snail Sort

Daily Challenge #59 - Snail Sort

Reactions 42 Comments 13
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Daily Challenge #60 - Find the Missing Letter

Daily Challenge #60 - Find the Missing Letter

Reactions 43 Comments 27
1 min read
Daily Challenge #61 - Evolution Rate

Daily Challenge #61 - Evolution Rate

Reactions 23 Comments 26
1 min read
Daily Challenge #62 - Josephus Survivor

Daily Challenge #62 - Josephus Survivor

Reactions 20 Comments 8
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Daily Challenge #63- Two Sum

Daily Challenge #63- Two Sum

Reactions 41 Comments 21
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Daily Challenge #64- Drying Potatoes

Daily Challenge #64- Drying Potatoes

Reactions 13 Comments 11
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Daily Challenge #65- A Disguised Sequence

Daily Challenge #65- A Disguised Sequence

Reactions 5 Comments 3
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Daily Challenge #66- Friend List

Daily Challenge #66- Friend List

Reactions 21 Comments 14
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Daily Challenge #67- Phone Directory

Daily Challenge #67- Phone Directory

Reactions 19 Comments 3
2 min read
Daily Challenge #68 - Grade Book

Daily Challenge #68 - Grade Book

Reactions 33 Comments 20
1 min read
Daily Challenge #69 - Going to the Cinema

Daily Challenge #69 - Going to the Cinema

Reactions 41 Comments 7
1 min read
Daily Challenge #70 - Pole Vault Competition Results

Daily Challenge #70 - Pole Vault Competition Results

Reactions 15 Comments 2
3 min read
Daily Challenge #71 - See you next Happy Year

Daily Challenge #71 - See you next Happy Year

Reactions 43 Comments 15
1 min read
Daily Challenge #72 - Matrix Shift

Daily Challenge #72 - Matrix Shift

Reactions 39 Comments 13
1 min read
Daily Challenge #73 - ATM Heist

Daily Challenge #73 - ATM Heist

Reactions 7 Comments 2
2 min read
Daily Challenge #74 - Free Pizza

Daily Challenge #74 - Free Pizza

Reactions 18 Comments 9
1 min read
Daily Challenge #75 - Set Alarm

Daily Challenge #75 - Set Alarm

Reactions 18 Comments 21
1 min read
Daily Challenge #76 - Bingo! (or not...)

Daily Challenge #76 - Bingo! (or not...)

Reactions 18 Comments 14
1 min read
Daily Challenge #77 - Bird Mountain

Daily Challenge #77 - Bird Mountain

Reactions 13 Comments 4
1 min read
Daily Challenge #78 - Number of Proper Fractions with Denominator d

Daily Challenge #78 - Number of Proper Fractions with Denominator d

Reactions 22 Comments 11
1 min read
Daily Challenge #79 - Connect Four

Daily Challenge #79 - Connect Four

Reactions 13 Comments 6
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Daily Challenge #80 - Longest Vowel Change

Daily Challenge #80 - Longest Vowel Change

Reactions 35 Comments 19
1 min read
Daily Challenge #81 - Even or Odd

Daily Challenge #81 - Even or Odd

Reactions 35 Comments 19
1 min read
Daily Challenge #82 - English Beggars

Daily Challenge #82 - English Beggars

Reactions 15 Comments 12
1 min read
Daily Challenge #83 - Deodorant Evaporator

Daily Challenge #83 - Deodorant Evaporator

Reactions 19 Comments 5
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Daily Challenge #84 - Third Angle of a Triangle

Daily Challenge #84 - Third Angle of a Triangle

Reactions 13 Comments 15
1 min read
Daily Challenge #85 - Unwanted Dollars

Daily Challenge #85 - Unwanted Dollars

Reactions 4 Comments 7
1 min read
Daily Challenge #86 - Wouldn't, not Would.

Daily Challenge #86 - Wouldn't, not Would.

Reactions 12 Comments 3
1 min read
Daily Challenge #87 - Pony Express

Daily Challenge #87 - Pony Express

Reactions 17 Comments 14
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Daily Challenge #88 - Recursive Ninjas

Daily Challenge #88 - Recursive Ninjas

Reactions 10 Comments 16
1 min read
Daily Challenge #89 - Extract domain name from URL

Daily Challenge #89 - Extract domain name from URL

Reactions 42 Comments 24
1 min read
Daily Challenge #90 - One Step at a Time

Daily Challenge #90 - One Step at a Time

Reactions 11 Comments 3
1 min read
Daily Challenge #91 - Bananas

Daily Challenge #91 - Bananas

Reactions 19 Comments 4
1 min read
Daily Challenge #92 - Boggle Board

Daily Challenge #92 - Boggle Board

Reactions 13 Comments 3
1 min read
Daily Challenge #93 - Range Extraction

Daily Challenge #93 - Range Extraction

Reactions 11 Comments 12
1 min read
Daily Challenge #94 - Last Digit

Daily Challenge #94 - Last Digit

Reactions 19 Comments 5
1 min read
Daily Challenge #95 - CamelCase Method

Daily Challenge #95 - CamelCase Method

Reactions 11 Comments 26
1 min read
Daily Challenge #96 - Easter Egg Crush Test

Daily Challenge #96 - Easter Egg Crush Test

Reactions 8 Comments 6
2 min read
Daily Challenge #97 - Greed is Good

Daily Challenge #97 - Greed is Good

Reactions 14 Comments 8
1 min read
Daily Challenge #98 - Make a Spiral

Daily Challenge #98 - Make a Spiral

Reactions 16 Comments 6
1 min read
Daily Challenge #99 - Balance the Scales

Daily Challenge #99 - Balance the Scales

Reactions 19 Comments 5
1 min read
Daily Challenge #100 - Round Up

Daily Challenge #100 - Round Up

Reactions 53 Comments 3
2 min read
Daily Challenge #101 - Parentheses Generator

Daily Challenge #101 - Parentheses Generator

Reactions 19 Comments 10
1 min read
Daily Challenge #102 - Pentabonacci

Daily Challenge #102 - Pentabonacci

Reactions 14 Comments 4
1 min read
Daily Challenge #103 - Simple Symbols

Daily Challenge #103 - Simple Symbols

Reactions 14 Comments 15
1 min read
Daily Challenge #104 - Matrixify

Daily Challenge #104 - Matrixify

Reactions 11 Comments 6
1 min read
Daily Challenge #105 - High-Sum Matrix Drop

Daily Challenge #105 - High-Sum Matrix Drop

Reactions 11 Comments 6
1 min read
Daily Challenge #106 - Average Fuel Consumption

Daily Challenge #106 - Average Fuel Consumption

Reactions 37 Comments 7
1 min read
Daily Challenge #107 - Escape the Mines

Daily Challenge #107 - Escape the Mines

Reactions 19 Comments 3
2 min read
Daily Challenge #108 - Find the Counterfeit Coin

Daily Challenge #108 - Find the Counterfeit Coin

Reactions 15 Comments 8
1 min read
Daily Challenge #109 - Decorate with Wallpaper

Daily Challenge #109 - Decorate with Wallpaper

Reactions 8 Comments 4
1 min read
Daily Challenge #110 - Love VS. Friendship

Daily Challenge #110 - Love VS. Friendship

Reactions 21 Comments 28
1 min read
Daily Challenge #111 - 99 Bottles of Beer

Daily Challenge #111 - 99 Bottles of Beer

Reactions 19 Comments 5
1 min read
Daily Challenge #112 - Functions of Integers on the Cartesian Plane

Daily Challenge #112 - Functions of Integers on the Cartesian Plane

Reactions 12 Comments 2
2 min read
Daily Challenge #113 - Iterative Rotation Cipher

Daily Challenge #113 - Iterative Rotation Cipher

Reactions 18 Comments 2
2 min read
Daily Challenge #114 - Speed Control

Daily Challenge #114 - Speed Control

Reactions 20 Comments 4
2 min read
Daily Challenge #115 - Look and Say Sequence

Daily Challenge #115 - Look and Say Sequence

Reactions 19 Comments 6
1 min read
Daily Challenge #116 - Shortest Knight Path

Daily Challenge #116 - Shortest Knight Path

Reactions 19 Comments 2
1 min read
Daily Challenge #117 - MinMinMax

Daily Challenge #117 - MinMinMax

Reactions 16 Comments 16
1 min read
Daily Challenge #118 - Reversing a Process

Daily Challenge #118 - Reversing a Process

Reactions 7 Comments 4
2 min read
Daily Challenge #119 - Adding Big Numbers

Daily Challenge #119 - Adding Big Numbers

Reactions 20 Comments 17
1 min read
Daily Challenge #120 - Growth of a Population

Daily Challenge #120 - Growth of a Population

Reactions 11 Comments 15
1 min read
Daily Challenge #121 - Who has the most money?

Daily Challenge #121 - Who has the most money?

Reactions 16 Comments 20
1 min read
Daily Challenge #122 - Clockwise Spirals

Daily Challenge #122 - Clockwise Spirals

Reactions 11 Comments 1
1 min read
Daily Challenge #123 - Curry me Softly

Daily Challenge #123 - Curry me Softly

Reactions 32 Comments 10
2 min read
Daily Challenge #124 - Middle Me

Daily Challenge #124 - Middle Me

Reactions 18 Comments 11
1 min read
Daily Challenge #125 - 23 Matches or More

Daily Challenge #125 - 23 Matches or More

Reactions 20 Comments 1
2 min read
Daily Challenge #126 - The Supermarket Line

Daily Challenge #126 - The Supermarket Line

Reactions 16 Comments 5
1 min read
Daily Challenge #127 - Playing with Passphrases

Daily Challenge #127 - Playing with Passphrases

Reactions 12 Comments 2
1 min read
Daily Challenge #128 - Blackjack Scorer

Daily Challenge #128 - Blackjack Scorer

Reactions 15 Comments 4
1 min read
Daily Challenge #129 - Clay Pigeon Shooting

Daily Challenge #129 - Clay Pigeon Shooting

Reactions 14 Comments 4
1 min read
Daily Challenge #130 - GCD Sum

Daily Challenge #130 - GCD Sum

Reactions 17 Comments 8
1 min read
Daily Challenge #131 - Remove Anchor from URL

Daily Challenge #131 - Remove Anchor from URL

Reactions 20 Comments 7
1 min read
Daily Challenge #132 - Is my friend cheating?

Daily Challenge #132 - Is my friend cheating?

Reactions 40 Comments 7
2 min read
Daily Challenge #133 - Suitcase Packing

Daily Challenge #133 - Suitcase Packing

Reactions 14 Comments 9
1 min read
Daily Challenge #134 - Rice and Chessboard Problem

Daily Challenge #134 - Rice and Chessboard Problem

Reactions 12 Comments 10
1 min read
Daily Challenge #135 - The Wide Mouthed Frog!

Daily Challenge #135 - The Wide Mouthed Frog!

Reactions 10 Comments 22
1 min read
Daily Challenge #136 - The Deaf Rats of Hamelin

Daily Challenge #136 - The Deaf Rats of Hamelin

Reactions 20 Comments 9
1 min read
Daily Challenge #137 - Help the Bookseller

Daily Challenge #137 - Help the Bookseller

Reactions 15 Comments 9
2 min read
Daily Challenge #138 - Do I get a Bonus?

Daily Challenge #138 - Do I get a Bonus?

Reactions 12 Comments 13
1 min read
Daily Challenge #138 - Keep Up the Hoop

Daily Challenge #138 - Keep Up the Hoop

Reactions 10 Comments 7
1 min read
Daily Challenge #140 - I love you, a little, a lot, passionately ... not at all

Daily Challenge #140 - I love you, a little, a lot, passionately ... not at all

Reactions 36 Comments 9
1 min read
Daily Challenge #141 - Two Sum

Daily Challenge #141 - Two Sum

Reactions 21 Comments 11
1 min read
Daily Challenge #142 - Parts of a Whole

Daily Challenge #142 - Parts of a Whole

Reactions 32 Comments 8
1 min read
Daily Challenge #143 - Big Arithmetic

Daily Challenge #143 - Big Arithmetic

Reactions 33 Comments 4
1 min read
Daily Challenge #144 - Box Office Clerk

Daily Challenge #144 - Box Office Clerk

Reactions 17 Comments 8
1 min read
Daily Challenge #145 - SET Card Game

Daily Challenge #145 - SET Card Game

Reactions 35 Comments
2 min read
Daily Challenge #146 - The Dollar Game

Daily Challenge #146 - The Dollar Game

Reactions 14 Comments 2
2 min read
Daily Challenge #147 - NIM

Daily Challenge #147 - NIM

Reactions 12 Comments
1 min read
Daily Challenge #148 - Disemvowel Trolls

Daily Challenge #148 - Disemvowel Trolls

Reactions 15 Comments 15
1 min read
Daily Challenge #149 - Fun with Lamps

Daily Challenge #149 - Fun with Lamps

Reactions 34 Comments 13
1 min read
Daily Challenge #150 - Boggle Guess Validator

Daily Challenge #150 - Boggle Guess Validator

Reactions 11 Comments 2
1 min read
Daily Challenge #151 - Reverse Parentheses

Daily Challenge #151 - Reverse Parentheses

Reactions 37 Comments 9
1 min read
Daily Challenge #152 - Strongest Number in an Interval

Daily Challenge #152 - Strongest Number in an Interval

Reactions 38 Comments 18
1 min read
Daily Challenge #153 - Horse Race Gamble

Daily Challenge #153 - Horse Race Gamble

Reactions 15 Comments 14
1 min read
Daily Challenge #154 - Stable Arrangement

Daily Challenge #154 - Stable Arrangement

Reactions 17 Comments 5
1 min read
Daily Challenge #155 - Royal Arranged Marriages

Daily Challenge #155 - Royal Arranged Marriages

Reactions 18 Comments 2
2 min read
Daily Challenge #162 - Taxi Dispatching

Daily Challenge #162 - Taxi Dispatching

Reactions 15 Comments 2
1 min read
Daily Challenge #163 - Significant Figures

Daily Challenge #163 - Significant Figures

Reactions 9 Comments 14
1 min read
Daily Challenge #164 - Jump

Daily Challenge #164 - Jump

Reactions 11 Comments 1
1 min read
Daily Challenge #165 - Password Lost in a Grid

Daily Challenge #165 - Password Lost in a Grid

Reactions 40 Comments 5
2 min read
Daily Challenge #166 - Cat and Mouse

Daily Challenge #166 - Cat and Mouse

Reactions 17