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 Array445votes 
decimal to binary covertor410votes 
number to string format392votes 
Sum of Odd Numbers387votes 
Last Samples of a number384votes 
Find Maximum and Minimum Temperature380votes 
Print Binary Triangle374votes 
number of occurence371votes 
Print Rectangle360votes 
statement reverse341votes 
Sort Three numbers338votes 
Cartesian to Polar coordinates337votes 
Abundant Numbers336votes 
indian rupees format331votes 
Prime Factors323votes 
perfect number322votes 
Number Occurrence in Array314votes 
Wind Chill314votes 
Gray Code309votes 
Sexy Pairs308votes 
Amicable Total298votes 
Capitalization288votes 
name search287votes 
Count Ones275votes 
sum of the digits258votes 
Matrix Multiplication252votes 
Number Sequence241votes 
Triangular Numbers234votes 
Count Occurrence of Character in string233votes 
Quadrant of an Angle230votes 
ISBN Validation226votes 
triangular star225votes 
Decimal to Octal Conversion219votes 
TrimSpace203votes 
Reverse Floyds Triangle196votes 
Euclids GCD Algorithm194votes 
String Sort183votes 
Ulam Sequence170votes 
Spring month check154votes 
Count Character in string153votes 
Multiplication Table147votes 
Convert in Seconds144votes 
Factorial of a given number143votes 
Convert to uppercase136votes 
Reciprocals Sum average and Product135votes 
Find Vowels and Consonants133votes 
Is Binary or not131votes 
Sum of Naturals divisible by 3 and 5129votes 
Leap Year check129votes 
Remove Character116votes 
find number is consecutive or not109votes 
date sort107votes 
Pascal Triangle87votes 
Fibonacci Series82votes 
Armstrong Number81votes 
sum of column of a matrix77votes 
Collatz Sequence74votes 
Triangle70votes 
Convert binary to decimal65votes 
Word Reverse64votes 
Average of positive and negative numbers55votes 
Sum of Odd Naturals50votes 
Permutation of Strings41votes 
Transpose of Matrix41votes 
Find Day of Given Date37votes 
Diamond Shape35votes 
plus operator overloading31votes 
Palindrom String24votes 
two20votes


cylinder area and volume266votes 
inheritance_Shape101votes 
Dog behaviour2votes 
child and parent1votes 
Implementing abstract and T classes0votes


Division107votes 
is a Number in a given Range ??88votes 
slopePoint0votes


time286votes 
triangle area36votes 
Calculator4votes 
Concatenate helper2votes 
creating items2votes 
which class object?1votes 
class guy0votes 
Queue4votes


interface Animal259votes 
animal interface201votes 
Class Box & Interface2votes


struct car368votes 
Struct Rect138votes 
Another simple structure1votes


Sorting268votes 
Reverse Number43votes 
Month Name2votes 
Even Fibonacci numbers1votes 
Leap years1votes 
byvalue and byref1votes 
Finding Prime Numbers1votes 
decimal to hexadecimal1votes 
Month Offset0votes 
Keychains for Sale, for real this time0votes 
Keychains for sale1votes


COUNTyz4votes 
max block4votes 
New String2votes 
Ending in 'ly'2votes 
Sum Digits2votes 
Star Out2votes 
String Value2votes 
Remove that x's1votes 
palindrome string1votes 
Make the Strings Equal1votes


check for sum=0311votes 
from numbers to English words61votes 
Space Boxing6votes 
A Little Quiz3votes 
Twenty Questions... well, actually just Two3votes 
palindrome number2votes 
Gender Game2votes 
How Old Are You, Specifically?1votes 
How Old Are You?1votes 
Space Boxing1votes 
What If1votes 
Else And If0votes


Find a value in an Array5votes 
PokeTrader 23votes 
Basic array2votes 
Where Is It?2votes 
Finding the Largest Value in an Array2votes 
How many times?2votes 
PokeTrader2votes


greatest common divisor GCD55votes 
Fizz Buzz9votes 
A refresher5votes 
Counting Machine5votes 
Sorting an Array4votes 
Basic Nested Loops3votes 
Number of digits3votes 
Numberguessing with a counter3votes 
Xs and Ys2votes 
Collatz Sequence2votes 
Noticing Even Numbers2votes 
Getting Individual Digits1votes 
HiLo with limited tries1votes 
zeroMax1votes 
More Number Puzzles6votes


number of zeros in the tail346votes 
2 matrix multiplication115votes 
Distance Formula4votes 
BMI Calculator2votes 
Adding Values with a For Loop2votes 
Safe Square Root3votes 
More arithmetic6votes


complex numbers48votes 
Multiples of 3 and 511votes 
Some Arithmetic Operations8votes 
logical and4votes 
sum of someclass2votes 
logical XOR0votes 
Try rotating2votes 
Describing a class18votes


More User Input of Data26votes 
A Simple BMI Calculator19votes 
Get different types of inputs11votes
