Dcoder-Challenges

My solutions to Dcoder challenges, also known as Algo Yo. Feel free to ask questions, suggest modifications or present your own solutions.

List of available solutions (204/204)

Easy (87/87)

• Bitwise for Dummies (C, Rust)
• Double the Number (C, Rust)
• Rotate Array (C, Rust)
• Floating Number (C, Rust)
• SwapMaster Solves Symmetric Swap (C, Rust)
• String Matching (C, Rust)
• Leap Year (C, Rust)
• Project Teams (C, Rust)
• Circle of Numbers (C, Rust)
• Happy String (C, Rust)
• Degree Celsius (C, Rust)
• Three's Company (C, Rust)
• Array Sum (C, Rust)
• Change in Case (C, Rust)
• Finding Nemo (C, Rust)
• Extraction of Numbers (C, Rust)
• Pangrams (C, Rust)
• José Learns Inglés (C, Rust)
• Special Array (C, Rust)
• Numbered Triangle (C, Rust)
• Archie and his Homework (C, Rust)
• Text Editor (C, Rust)
• The Homework (C, Rust)
• The Largest Gap (C, Rust)
• What's the ASCII? (C, Rust)
• Divide the Array (C, Rust)
• Grade the Students (C, Rust)
• First and the Last Digit (C, Rust)
• Dr. Primo Visits ArrayCon (C, Rust)
• Total Expenses (C, Rust)
• Valid Quadrilateral (C, Rust)
• Least Significant Bit (C, Rust)
• Ceil and Floor (C, Rust)
• The Running Race (C, Rust)
• The Beta Test Initiation (C, Rust)
• Ordinal Representation (C, Rust)
• Fare (C, Rust)
• Buy the Bundle (C, Rust)
• The Armstrong Number (C, Rust)
• Treasure Hunt (C, Rust)
• Help Cody (C, Rust)
• Tables (C, Rust)
• Equable Triangles (C, Rust)
• Tracy's Love. (C, Rust)
• Find the Eldest Brother! (C, Rust)
• Reverse the Linked List (C, Rust)
• First Half!! (C, Rust)
• The Coding Challenges (C, Rust)
• The Bit Flipper (C, Rust)
• I Don't Like Repetition (C, Rust)
• The Floating Circle (C, Rust)
• Binary to Decimal (C, Rust)
• Exponentia! (C, Rust)
• The Secure Function : Xr (C, Rust)
• The Report Card! (C, Rust)
• I'll Be the Next (C, Rust)
• Capitalize Me (C, Rust)
• Square of Squares (C, Rust)
• Find Me the Divisor Count (C, Rust)
• The Vowel Counter (C, Rust)
• The Closest to Average (C, Rust)
• Let's Get GCD (C, Rust)
• The Predictor (C, Rust)
• Reverse Me (C, Rust)
• The irritating Students (C, Rust)
• Toggle Me! (C, Rust)
• They See Me Palindroming (C, Rust)
• Avik and his Girlfriend's Necklace (C, Rust)
• The War of Problem Setters (C, Rust)
• The Sum of Array (C, Rust)
• The Triangle Game (C, Rust)
• The Rock, Paper, Scissor Game (C, Rust)
• Use Loops to Draw Patterns (Pyramid) (C, Rust)
• Sum of Squares (C, Rust)
• Learn Sum of Numbers (C, Rust)
• The Light Switch (C, Rust)
• Dcooooooooooder Fan (C, Rust)
• Learning Strings and Binary Numbers (C, Rust)
• Learning Sorting Numbers with If Else (C, Rust)
• Learning Prime Numbers with Loop/Recursion (C, Rust)
• The BlackJack with Conditions (C, Rust)
• The shortest Path Algo (Simple) (C, Rust)
• How Many Weeks (C, Rust)
• Learning Factorials with Loop/Recursion (C, Rust)
• Learning User Input with Natural Numbers (C, Rust)
• Printing Number Using Loop (C, Rust)
• Print Hello World (C, Rust)

Medium (74/74)

• Wrestling Championship (C, Rust)
• Symmetric Matrix (C, Rust)
• Simple Multiple Problem (C, Rust)
• Word Frequency (C)
• Dcoder Admiration (C)
• Arithmetic Sequence (C)
• Cody's Team (C)
• The Perfect Square (C)
• Power Number (C)
• Binary Operations (C)
• Please Check the Password! (C)
• Stack! Stack! Stack! (C)
• Need for Shift (C)
• Reverse Bits (C)
• The Prime of the Binaries (C)
• Dictionary (C)
• Which Century is it? (C)
• The Skywalker Incursion (C)
• Queen Watches TV Series (C)
• Bruce Can't Convert (C)
• Minimum Buy (C)
• Tic-Tac-Toe (C)
• Winter is Coming (C)
• Steve Learns Etiquettes (C)
• Prime Ranges (C)
• Happy Friends (C)
• Chocolate Distribution (C)
• Count the Occurrences (C)
• Love Message (C)
• The Perfect Number (C)
• Rose and Jack's Marriage (C)
• Tokens (C)
• Word Numbers (C)
• Eric vs James (C)
• Reverse Everything. (C)
• Password Validator! (C)
• The 2's Complement (C)
• Where am I!! (C)
• The Left Rotation (C)
• Only You Can Complete Me. (C)
• The Number Pyramid! (C)
• MOM!! I Wanna Be Unique. (C)
• Number of the Beast (C)
• Find that Pair! (C)
• The Game of Brackets (Simple) (C)
• Count Trailing Zeroes in N! (C)
• The Simplest Compression (C)
• The Greater Numbers (C)
• The One and Only (C)
• Profit Matters! (C)
• Roots Roots Roots! (C)
• The Social Media Experiment! (C)
• The Longest Word. (C)
• The ^_^ -_- String (C)
• The ^_^ String (C)
• Let's Make Arrays Allies. (C)
• Guess the Fibonacci Number (C)
• Get the Median (C)
• Play with Strings (C)
• The Predictor (Enhanced) (C)
• The Pascal Triangle (C)
• Prime Numbers : My Friends (C)
• The Last Man Survived (C)
• The Big Multiplication (C)
• The Game of Power (C)
• I Need Equality (C)
• Anything You Can Do, I Can Do Better (C)
• Learn Sequences Fun Way (C)
• String - Half of the Half (C)
• The Divisibility Test (C)
• The Inquire (C)
• Learning Powers with Loops (C)
• Learning String with Pig Latin (C)
• Learning Even Odds with Strings and Loops (C)

Hard (43/43)

• Range Update, Range Queries (C, Rust)
• Alice and Dictionary (C, Rust)
• Magic ChessBoard (C, Rust)
• Love for Mathematics (C, Rust)
• CashBack (C, Rust)
• Depleting Ammunition (C, Rust)
• Bourne's Supremacy (C, Rust)
• Looking in the Mirror (C, Rust)
• Shoe Matching (C)
• Haunted Rooms (C)
• XOR and Arrays (C)
• Maximum Subarray (C)
• Cody's Assignment (C)
• Co-Prime Numbers (C)
• Word Numbers Ultimate! (C)
• Number to Word (C)
• Sequencial Naming (C)
• Coins and Countries (C)
• String Permutation (C)
• Movie Ratings (C)
• The Game of Bits (C)
• Spiral Matrix (C)
• Panda's Average (C, Rust)
• Jojo Learns Stacks (C)
• The Middle Term (C)
• Dobi Needs Logic! (C)
• Jumping Jack (C)
• Maximized Reduction (C)
• Sliding Window (C, Rust)
• Equal Strings (C)
• Prime Subarray (C)
• Tournament (C)
• Sherlock Plays the Great Game (C, Rust)
• The Game of Brackets (C)
• Find the Majority Element in Array. (C)
• The Alphabet Pool (C)
• The Prime Search (C)
• Arrays and Merging (C)
• Great Power Comes with Great Responsibility (C)
• Play with Sequences and Subsequence (C, Rust)
• The Boring Sets (C)
• Fit Me In (C)
• The Cool Numbers (C)