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#

Reverse Array461votes 
Sum of Odd Numbers396votes 
number to string format393votes 
Last Samples of a number385votes 
Find Maximum and Minimum Temperature381votes 
Print Binary Triangle377votes 
number of occurence372votes 
Print Rectangle362votes 
statement reverse342votes 
Sort Three numbers339votes 
Abundant Numbers337votes 
Cartesian to Polar coordinates336votes 
indian rupees format331votes 
Prime Factors322votes 
perfect number322votes 
Number Occurrence in Array314votes 
Wind Chill313votes 
Gray Code309votes 
Sexy Pairs308votes 
Amicable Total298votes 
name search288votes 
Capitalization288votes 
Count Ones276votes 
sum of the digits259votes 
Matrix Multiplication252votes 
Number Sequence241votes 
Count Occurrence of Character in string232votes 
Quadrant of an Angle231votes 
ISBN Validation226votes 
triangular star225votes 
Decimal to Octal Conversion219votes 
TrimSpace204votes 
Reverse Floyds Triangle195votes 
Euclids GCD Algorithm194votes 
String Sort183votes 
Ulam Sequence170votes 
Spring month check154votes 
Multiplication Table149votes 
Convert in Seconds146votes 
Factorial of a given number143votes 
Convert to uppercase137votes 
Reciprocals Sum average and Product135votes 
Find Vowels and Consonants133votes 
Is Binary or not131votes 
Sum of Naturals divisible by 3 and 5130votes 
Leap Year check129votes 
Remove Character117votes 
find number is consecutive or not109votes 
date sort107votes 
Pascal Triangle88votes 
Fibonacci Series83votes 
Armstrong Number81votes 
sum of column of a matrix77votes 
Collatz Sequence75votes 
Triangle70votes 
Convert binary to decimal65votes 
Word Reverse65votes 
Average of positive and negative numbers56votes 
Sum of Odd Naturals50votes 
Transpose of Matrix42votes 
Permutation of Strings40votes 
Find Day of Given Date37votes 
Diamond Shape34votes 
plus operator overloading29votes 
Palindrom String24votes 
two30votes


cylinder area and volume267votes 
inheritance_Shape102votes 
child and parent1votes 
Dog behaviour1votes 
Implementing abstract and T classes0votes


Division109votes 
is a Number in a given Range ??89votes 
slopePoint1votes


time288votes 
triangle area36votes 
Calculator5votes 
Concatenate helper2votes 
creating items1votes 
class guy1votes 
which class object?0votes 
Queue4votes


interface Animal259votes 
animal interface200votes 
Class Box & Interface2votes


struct car368votes 
Struct Rect138votes 
Another simple structure1votes


Sorting268votes 
Reverse Number44votes 
Month Name2votes 
Month Offset1votes 
Even Fibonacci numbers1votes 
Leap years1votes 
byvalue and byref1votes 
Finding Prime Numbers1votes 
decimal to hexadecimal1votes 
Keychains for Sale, for real this time0votes 
Keychains for sale1votes


COUNTyz5votes 
max block4votes 
Ending in 'ly'3votes 
Sum Digits3votes 
Star Out3votes 
New String2votes 
Remove that x's2votes 
Make the Strings Equal2votes 
String Value2votes 
palindrome string1votes


check for sum=0310votes 
from numbers to English words61votes 
Space Boxing6votes 
A Little Quiz3votes 
Twenty Questions... well, actually just Two3votes 
palindrome number2votes 
Gender Game2votes 
What If2votes 
How Old Are You, Specifically?1votes 
How Old Are You?1votes 
Space Boxing1votes 
Else And If0votes


Find a value in an Array6votes 
PokeTrader 24votes 
Where Is It?3votes 
Finding the Largest Value in an Array3votes 
Basic array2votes 
How many times?2votes 
PokeTrader2votes


greatest common divisor GCD55votes 
Fizz Buzz11votes 
A refresher5votes 
Counting Machine5votes 
Sorting an Array4votes 
Basic Nested Loops3votes 
Xs and Ys3votes 
Number of digits3votes 
Numberguessing with a counter3votes 
Getting Individual Digits2votes 
Collatz Sequence2votes 
Noticing Even Numbers2votes 
HiLo with limited tries1votes 
zeroMax1votes 
More Number Puzzles6votes


number of zeros in the tail346votes 
2 matrix multiplication115votes 
Distance Formula5votes 
Adding Values with a For Loop3votes 
BMI Calculator2votes 
Safe Square Root2votes 
More arithmetic7votes


complex numbers48votes 
Multiples of 3 and 510votes 
Some Arithmetic Operations9votes 
logical and4votes 
sum of someclass2votes 
logical XOR2votes 
Try rotating3votes 
Describing a class20votes


More User Input of Data28votes 
A Simple BMI Calculator20votes 
Get different types of inputs12votes
