CATEGORIES

C

Counter	Subdomain	Difficulty	Challenge	Solution
1	Introduction	Easy	"Hello World!" in C	Click for solution
2	Introduction	Easy	Playing With Characters	Click for solution
3	Introduction	Easy	Sum and Difference of Two Numbers	Click for solution
4	Introduction	Easy	Functions in C	Click for solution
5	Introduction	Easy	Pointers in C	Click for solution
6	Conditionals and Loops	Easy	Conditional Statements in C	Click for solution
7	Conditionals and Loops	Easy	For Loop in C	Click for solution
8	Conditionals and Loops	Easy	Sum of Digits of a Five Digit Number	Click for solution
9	Conditionals and Loops	Easy	Bitwise Operators	.
10	Conditionals and Loops	Medium	Printing Pattern using Loops	.
11	Arrays and Strings	Medium	1D Arrays in C	Click for solution
12	Arrays and Strings	Medium	Array Reversal	Click for solution
13	Arrays and Strings	Medium	Digit Frequency	.
14	Arrays and Strings	Medium	Printing Tokens	Click for solution
15	Arrays and Strings	Medium	Dynamic Array in C	.
16	Functions	Easy	Calculate the Nth term	Click for solution
17	Functions	Easy	Students Marks Sum	Click for solution
18	Functions	Hard	Sorting Array of Strings	.
19	Functions	Medium	Permutations of Strings	.
20	Functions	Medium	Variadic functions in C	Click for solution
21	Functions	Hard	Querying the Document	.
22	Structs and Enums	Easy	Boxes through a Tunnel	Click for solution
23	Structs and Enums	Medium	Small Triangles, Large Triangles	Click for solution
24	Structs and Enums	Hard	Post Transition	.
25	Structs and Enums	Hard	Structuring the Document	.

JAVA

Counter	Subdomain	Difficulty	Challenge	Solution
1	Introduction	Easy	Java Datatypes	Click for solution

Mathematics

Counter	Subdomain	Difficulty	Challenge	Solution
1	Fundamentals	Easy	Find the Point	Click for solution
2	Fundamentals	Easy	Maximum Draws	Click for solution
3	Fundamentals	Easy	Handshake	Click for solution
4	Fundamentals	Easy	Minimum Height Triangle	Click for solution
5	Fundamentals	Easy	Restaurant	Click for solution
6	Fundamentals	Easy	Strange Grid Again	Click for solution
7	Fundamentals	Easy	Army Game	Click for solution
8	Fundamentals	Easy	Connecting Towns	Click for solution
9	Fundamentals	Easy	Cutting Paper Squares	Click for solution
10	Fundamentals	Easy	Sherlock and Moving Tiles	Click for solution
11	Fundamentals	Medium	Summing the N series	Click for solution

Algorithms

Counter	Subdomain	Difficulty	Challenge	Solution
1	Warmup	Easy	Solve Me First	Click for solution
2	Warmup	Easy	Simple Array Sum	Click for solution
3	Warmup	Easy	Compare the Triplets	Click for solution
4	Warmup	Easy	A Very Big Sum	Click for solution
5	Warmup	Easy	Diagonal Difference	Click for solution
6	Warmup	Easy	Plus Minus	Click for solution
7	Warmup	Easy	Staircase	Click for solution
8	Warmup	Easy	Mini-Max Sum	Click for solution
9	Warmup	Easy	Birthday Cake Candles	Click for solution
10	Warmup	Easy	Time Conversion	Click for solution
11	Implementation	Easy	Grading Students	Click for solution
12	Implementation	Easy	Apple and Orange	Click for solution
13	Implementation	Easy	Number Line Jumps	Click for solution
14	Implementation	Easy	Breaking the Records	Click for solution
15	Implementation	Easy	Subarray Division	Click for solution
16	Implementation	Easy	Migratory Birds	Click for solution
17	Implementation	Easy	Bill Division	Click for solution
18	Implementation	Easy	Counting Valleys	Click for solution
19	Implementation	Easy	Cats and a Mouse	Click for solution
20	Implementation	Easy	The Hurdle Race	Click for solution
21	Implementation	Easy	Designer PDF Viewer	Click for solution
22	Implementation	Easy	Utopian Tree	Click for solution
23	Implementation	Easy	Sales by Match	Click for solution
24	Implementation	Easy	Angry Professor	Click for solution
25	Implementation	Easy	Electronics Shop	Click for solution
26	Implementation	Easy	Between Two Sets	Click for solution
27	Implementation	Easy	Save the Prisoner!	Click for solution
28	Implementation	Easy	Divisible Sum Pairs	Click for solution
29	Implementation	Easy	Drawing Book	Click for solution
30	Implementation	Easy	Beautiful Days at the Movies	Click for solution
31	Implementation	Easy	Picking Numbers	Click for solution
32	Implementation	Easy	Find Digits	Click for solution
33	Implementation	Easy	Jumping on the Clouds: Revisited	Click for solution
34	Implementation	Easy	Sequence Equation	Click for solution
35	Implementation	Medium	Extra Long Factorials	Click for solution
36	Implementation	Easy	Cut the sticks	Click for solution
37	Implementation	Easy	Library Fine	Click for solution
38	Implementation	Easy	Sherlock and Squares	Click for solution
39	Implementation	Easy	Repeated String	Click for solution
40	Implementation	Easy	Taum and B'day	Click for solution
41	Implementation	Easy	Circular Array Rotation	Click for solution
42	Implementation	Medium	Encryption	Click for solution
43	Implementation	Easy	Equalize the Array	Click for solution
44	Implementation	Easy	Lisa's Workbook	Click for solution
45	Implementation	Easy	Next Problem...	Click for solution