HackerRank之Java Strings Introduction Question: Answer: Scanner sc=newScanner(System.in); String A=sc.next(); String B=sc.next(); System.out.println(A.length()+B.length()); System.out.println(A.compareTo(B)>0?"Yes":"No"); System.out.println(A.substring(0,1).toUpperCase()+A.subst...
publicclassSolution{privatestaticBigDecimalone=newBigDecimal(1);privatestaticbooleanisPrime(String n){BigIntegerinteger=newBigInteger(n);returninteger.isProbablePrime(1); }publicstaticvoidmain(String[] args)throwsIOException {BufferedReaderbufferedReader=newBufferedReader(newInputStreamReader(System.in));Stringn=...
Introduction Java Static Initializer Block JavaStaticInitializerBlock.java Introduction Java Int to String JavaIntToString.java Introduction Java Date and Time JavaDateAndTime.java Introduction Java Currency Formatter JavaCurrencyFormatter.java Strings Java Strings Introduction JavaStringsIntroduction.java ...
Introduction Strings BigNumber Data Structures Object Oriented Programming Exception Handling AdvancedWarmup#TitleSolutionTimeSpaceDifficultyPointsNote Solve Me First Java C# O(1) O(1) Easy 1 Simple Array Sum Java C# O(n) O(1) Easy 10 Compare the Triplets Java C# O(1) O(1) Easy 10...
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Introduction Strings BigNumber Data Structures Object Oriented Programming Exception Handling AdvancedWarmup#TitleSolutionTimeSpaceDifficultyPointsNote Solve Me First Java C# O(1) O(1) Easy 1 Simple Array Sum Java C# O(n) O(1) Easy 10 Compare the Triplets Java C# O(1) O(1) Easy 10...
Introduction Thirty days of code by Hacker rank is aimed at improving your coding skills by coding for 30 days in a row. You can also unlock a new code challenge and tutorial each day and then, submit solutions in Java, C++ and other popular languages. But, this can prove to be quite...
function reverseString(str) { // Step 1. Use the split() method to return a new array var splitString = str.split(""); // ["h", "e", "l", "l", "o"] // Step 2. Use the reverse() method to reverse the new created array var reverseArray = splitString.reverse(); // [...
Some have prefixes, some don't, and some use string instead of bits to track the path. I read through code, but will not implement. Notes on Data Structures and Programming Techniques Short course videos: Introduction To Tries (video) Performance Of Tries (video) Implementing A Trie (...
HackerRank in a String! Java JS C# O(n) O(1) Easy 20 Pangrams Java C# O(n) O(1) Easy 20 Weighted Uniform Strings Java C# O(n) O(n) Easy 20 Separate the Numbers Java C# O(n) O(n) Easy 20 Funny String Java C# O(n) O(n) Easy 25 Gemstones Java C# O(n...