Counting Coding Practice Problems - Page 6 | TutorialsPoint

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Counting Coding Problems

Practice problems frequently asked at Counting • 166 problems | 58 Easy | 87 Medium | 20 Hard

#	Problem	Difficulty	Topics
76	Longest Palindrome by Concatenating Two Letter Words	Medium	ArrayHash TableString
77	Longest Subsequence Repeated k Times	Hard	StringBacktrackingGreedy
78	Majority Element	Easy	ArrayHash TableDivide and Conquer
79	Majority Element II	Medium	ArrayHash TableSorting
80	Make Number of Distinct Characters Equal	Medium	Hash TableStringCounting
81	Maximum Count of Positive Integer and Negative Integer	Easy	ArrayBinary SearchCounting
82	Maximum Difference Between Even and Odd Frequency I	Easy	Hash TableStringCounting
83	Maximum Manhattan Distance After K Changes	Medium	Hash TableMathString
84	Maximum Number of Balloons	Easy	Hash TableStringCounting
85	Maximum Number of Balls in a Box	Easy	Hash TableMathCounting
86	Maximum Number of Operations to Move Ones to the End	Medium	StringGreedyCounting
87	Maximum Number of Pairs in Array	Easy	ArrayHash TableCounting
88	Maximum Number of Ways to Partition an Array	Hard	ArrayHash TableCounting
89	Maximum Palindromes After Operations	Medium	ArrayHash TableString
90	Maximum Population Year	Easy	ArrayCountingPrefix Sum

Showing 76-90 of 166

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public class MyFirstJavaProgram { Edit & Run

/* This is my first java program.

* This will print 'Hello, World!' as the output

*/

public static void main(String []args) {

System.out.println("Hello, World!"); // prints

}

}

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