HackerRank

Solutions to some problems on Hackerrank.

Mathematics

Subdomain	Difficulty	Challenge	Solution
Fundamentals	Easy	find the point	find-the-point.c
Fundamentals	Easy	maximum draws	maximum-draws.c
Fundamentals	Easy	handshake	handshake.c
Fundamentals	Easy	army-game	army-game.c
Fundamentals	Easy	minimum-height-triangle	minimum-height-triangle.c
Fundamentals	Easy	halloween-party	halloween-party.c

Subdomain	Difficulty	Challenge	Solution
Introduction	Easy	"Hello World!" in C	hello-world-c.c
Introduction	Easy	Playing With Characters	playing-with-characters.c
Introduction	Easy	Sum and Difference of Two Numbers	sum-numbers-c.c
Introduction	Easy	Functions in C	functions-in-c.c
Introduction	Easy	Pointers in C	pointer-in-c.c
Conditionals and Loops	Easy	Conditional Statements in C	conditional-statements-in-c.c
Conditionals and Loops	Easy	For Loop in C	for-loop-in-c.c
Conditionals and Loops	Easy	Sum of Digits of a Five Digit Number	sum-of-digits-of-a-five-digit-number.c
Conditionals and Loops	Easy	Bitwise Operators	bitwise-operators-in-c.c
Conditionals and Loops	Medium	Printing Pattern using Loops	printing-pattern-2.c
Arrays and Strings	Medium	1D Arrays in C	1d-arrays-in-c.c
Arrays and Strings	Medium	Array Reversal	reverse-array-c.c
Arrays and Strings	Medium	Printing Tokens	printing-tokens.c
Arrays and Strings	Medium	Digit Frequency	frequency-of-digits-1.c
Arrays and Strings	Medium	Dynamic Array in C	dynamic-array-in-c.c
Functions	Easy	Calculate the Nth term	recursion-in-c.c
Functions	Easy	Students Marks Sum	students-marks-sum.c
Functions	Medium	Permutations of Strings	permutations-of-strings.c
Functions	Medium	Variadic functions in C	variadic-functions-in-c.c
Functions	Hard	Sorting Array of Strings	sorting-array-of-strings.c
Structs and Enums	Easy	Boxes through a Tunnel	too-high-boxes.c
Structs and Enums	Medium	Small Triangles, Large Triangles	small-triangles-large-triangles.c
Structs and Enums	Hard	Post Transition	post-transition.c

Subdomain	Difficulty	Challenge	Solution
Introduction	Easy	Welcome to Java!	Welcome to Java!
Introduction	Easy	Java Stdin and Stdout I	Java Stding and Stdout I
Introduction	Easy	Java if-Else	Java if-Else
Introduction	Easy	Java Stdin and Stdout II	Java Stdin and Stdout II
Introduction	Easy	Java output formatting	Java output formatting