Programming Challenges

Programmr's Coding Challenges

Sharpen your coding skills in the most entertaining way by solving Programmr's coding challenges!

Don't forget to challenge your friends too!

C#

Challenges

Miscellaneous
- 481
  votes Reverse Array
- 406
  votes Sum of Odd Numbers
- 394
  votes number to string format
- 387
  votes Last Samples of a number
- 381
  votes Find Maximum and Minimum Temperature
- 377
  votes Print Binary Triangle
- 374
  votes number of occurence
- 362
  votes Print Rectangle
- 342
  votes statement reverse
- 340
  votes Sort Three numbers
- 337
  votes Abundant Numbers
- 336
  votes Cartesian to Polar co-ordinates
- 331
  votes indian rupees format
- 323
  votes perfect number
- 322
  votes Prime Factors
- 314
  votes Number Occurrence in Array
- 313
  votes Wind Chill
- 309
  votes Gray Code
- 308
  votes Sexy Pairs
- 298
  votes Amicable Total
- 289
  votes name search
- 288
  votes Capitalization
- 276
  votes Count Ones
- 259
  votes sum of the digits
- 252
  votes Matrix Multiplication
- 241
  votes Number Sequence
- 232
  votes Count Occurrence of Character in string
- 231
  votes Quadrant of an Angle
- 226
  votes ISBN Validation
- 219
  votes Decimal to Octal Conversion
- 204
  votes TrimSpace
- 195
  votes Reverse Floyds Triangle
- 195
  votes Euclids GCD Algorithm
- 182
  votes String Sort
- 170
  votes Ulam Sequence
- 154
  votes Spring month check
- 149
  votes Multiplication Table
- 146
  votes Convert in Seconds
- 145
  votes Factorial of a given number
- 137
  votes Convert to uppercase
- 135
  votes Reciprocals Sum average and Product
- 133
  votes Find Vowels and Consonants
- 131
  votes Is Binary or not
- 130
  votes Sum of Naturals divisible by 3 and 5
- 129
  votes Leap Year check
- 117
  votes Remove Character
- 109
  votes find number is consecutive or not
- 107
  votes date sort
- 88
  votes Pascal Triangle
- 83
  votes Fibonacci Series
- 81
  votes Armstrong Number
- 77
  votes sum of column of a matrix
- 75
  votes Collatz Sequence
- 70
  votes Triangle
- 65
  votes Word Reverse
- 65
  votes Convert binary to decimal
- 56
  votes Average of positive and negative numbers
- 50
  votes Sum of Odd Naturals
- 42
  votes Transpose of Matrix
- 41
  votes Permutation of Strings
- 37
  votes Find Day of Given Date
- 34
  votes Diamond Shape
- 29
  votes plus operator overloading
- 24
  votes Palindrom String
- -32
  votes two
Inheritance
- 266
  votes cylinder area and volume
- 102
  votes inheritance_Shape
- 2
  votes child and parent
- 2
  votes Dog behaviour
- 0
  votes Implementing abstract and T classes
Exception Handling
- 109
  votes Division
- 89
  votes is a Number in a given Range ??
- 1
  votes slopePoint
Classes
- 289
  votes time
- 36
  votes triangle area
- 5
  votes Calculator
- 3
  votes Concatenate helper
- 1
  votes class guy
- 1
  votes creating items
- 0
  votes which class object?
- -5
  votes Queue
Interfaces
- 259
  votes interface Animal
- 200
  votes animal interface
- 2
  votes Class Box & Interface
Structure
- 368
  votes struct car
- 138
  votes Struct Rect
- 1
  votes Another simple structure
Methods
- 268
  votes Sorting
- 44
  votes Reverse Number
- 1
  votes Month Offset
- 1
  votes Even Fibonacci numbers
- 1
  votes Leap years
- 1
  votes byvalue and byref
- 1
  votes Finding Prime Numbers
- 1
  votes decimal to hexadecimal
- 1
  votes Month Name
- 0
  votes Keychains for Sale, for real this time
- -1
  votes Keychains for sale
Strings
- 5
  votes COUNTyz
- 4
  votes max block
- 3
  votes Ending in 'ly'
- 3
  votes Sum Digits
- 3
  votes Star Out
- 2
  votes Remove that x's
- 2
  votes Make the Strings Equal
- 2
  votes String Value
- 2
  votes New String
- 1
  votes palindrome string
Flow Control
- 310
  votes check for sum=0
- 61
  votes from numbers to English words
- 6
  votes Space Boxing
- 3
  votes A Little Quiz
- 3
  votes Twenty Questions... well, actually just Two
- 2
  votes Gender Game
- 2
  votes What If
- 2
  votes palindrome number
- 1
  votes How Old Are You, Specifically?
- 1
  votes How Old Are You?
- 1
  votes Space Boxing
- 0
  votes Else And If
Arrays
- 8
  votes Find a value in an Array
- 4
  votes PokeTrader 2
- 4
  votes Finding the Largest Value in an Array
- 3
  votes Where Is It?
- 2
  votes How many times?
- 2
  votes Basic array
- -2
  votes PokeTrader
Loops
- 55
  votes greatest common divisor GCD
- 11
  votes Fizz Buzz
- 5
  votes A refresher
- 5
  votes Counting Machine
- 4
  votes Sorting an Array
- 3
  votes Xs and Ys
- 3
  votes Number of digits
- 3
  votes Number-guessing with a counter
- 3
  votes Getting Individual Digits
- 3
  votes Basic Nested Loops
- 2
  votes Noticing Even Numbers
- 1
  votes Hi-Lo with limited tries
- 1
  votes zeroMax
- 1
  votes Collatz Sequence
- -6
  votes More Number Puzzles
Arithmetic
- 346
  votes number of zeros in the tail
- 115
  votes 2 matrix multiplication
- 5
  votes Distance Formula
- 4
  votes Adding Values with a For Loop
- 2
  votes BMI Calculator
- -2
  votes Safe Square Root
- -7
  votes More arithmetic
Operators
- 47
  votes complex numbers
- 11
  votes Some Arithmetic Operations
- 10
  votes Multiples of 3 and 5
- 4
  votes logical and
- 2
  votes sum of someclass
- -3
  votes logical XOR
- -3
  votes Try rotating
- -21
  votes Describing a class
Variables
- 30
  votes More User Input of Data
- 22
  votes A Simple BMI Calculator
- 14
  votes Get different types of inputs