Topic: Counting

alleasymediumhard

alltodoattemptedfailedsolved

145 problems

#	Title	Status	Difficulty	Topics	Accept
169	Majority Element	—	Easy	ArrayHash TableDivide and Conquer	66%
229	Majority Element II	—	Medium	ArrayHash TableSorting	54%
299	Bulls and Cowsread	—	Medium	Hash TableStringCounting	51%
347	Top K Frequent Elementsread	—	Medium	ArrayHash TableDivide and Conquer	64%
383	Ransom Note	—	Easy	Hash TableStringCounting	64%
387	First Unique Character in a String	—	Easy	Hash TableStringQueue	64%
451	Sort Characters By Frequency	—	Medium	Hash TableStringSorting	74%
594	Longest Harmonious Subsequence	—	Easy	ArrayHash TableSliding Window	57%
621	Task Scheduler	—	Medium	ArrayHash TableGreedy	61%
692	Top K Frequent Words	—	Medium	ArrayHash TableString	59%
767	Reorganize String	—	Medium	Hash TableStringGreedy	56%
811	Subdomain Visit Count	—	Medium	ArrayHash TableString	77%
819	Most Common Word	—	Easy	ArrayHash TableString	45%
869	Reordered Power of 2	—	Medium	Hash TableMathSorting	62%
884	Uncommon Words from Two Sentences	—	Easy	Hash TableStringCounting	75%
900	RLE Iteratorread	—	Medium	ArrayDesignCounting	59%
914	X of a Kind in a Deck of Cards	—	Easy	ArrayHash TableMath	30%
923	3Sum With Multiplicity	—	Medium	ArrayHash TableTwo Pointers	46%
945	Minimum Increment to Make Array Unique	—	Medium	ArrayGreedySorting	60%
992	Subarrays with K Different Integers	—	Hard	ArrayHash TableSliding Window	66%
1010	Pairs of Songs With Total Durations Divisible by 60	—	Medium	ArrayHash TableCounting	53%
1054	Distant Barcodes	—	Medium	ArrayHash TableGreedy	47%
1079	Letter Tile Possibilities	—	Medium	Hash TableStringBacktracking	84%
1090	Largest Values From Labelsread	—	Medium	ArrayHash TableGreedy	63%
1128	Number of Equivalent Domino Pairsread	—	Easy	ArrayHash TableCounting	61%
1160	Find Words That Can Be Formed by Characters	—	Easy	ArrayHash TableString	71%
1189	Maximum Number of Balloonsread	—	Easy	Hash TableStringCounting	60%
1221	Split a String in Balanced Strings	—	Easy	StringGreedyCounting	87%
1267	Count Servers that Communicateread	—	Medium	ArrayDepth-First SearchBreadth-First Search	73%
1347	Minimum Number of Steps to Make Two Strings Anagramread	—	Medium	Hash TableStringCounting	82%
1356	Sort Integers by The Number of 1 Bitsread	—	Easy	ArrayBit ManipulationSorting	79%
1366	Rank Teams by Votesread	—	Medium	ArrayHash TableString	59%
1370	Increasing Decreasing String	—	Easy	Hash TableStringCounting	77%
1394	Find Lucky Integer in an Arrayread	—	Easy	ArrayHash TableCounting	69%
1400	Construct K Palindrome Stringsread	—	Medium	Hash TableStringGreedy	69%
1419	Minimum Number of Frogs Croaking	—	Medium	StringCounting	51%
1481	Least Number of Unique Integers after K Removalsread	—	Medium	ArrayHash TableGreedy	63%
1497	Check If Array Pairs Are Divisible by kread	—	Medium	ArrayHash TableCounting	46%
1512	Number of Good Pairsread	—	Easy	ArrayHash TableMath	90%
1519	Number of Nodes in the Sub-Tree With the Same Labelread	—	Medium	Hash TableTreeDepth-First Search	55%
1603	Design Parking Systemread	—	Easy	DesignSimulationCounting	87%
1657	Determine if Two Strings Are Closeread	—	Medium	Hash TableStringSorting	54%
1684	Count the Number of Consistent Strings	—	Easy	ArrayHash TableString	88%
1704	Determine if String Halves Are Alike	—	Easy	StringCounting	79%
1726	Tuple with Same Productread	—	Medium	ArrayHash TableCounting	70%
1737	Change Minimum Characters to Satisfy One of Three Conditionsread	—	Medium	Hash TableStringCounting	37%
1742	Maximum Number of Balls in a Boxread	—	Easy	Hash TableMathCounting	74%
1748	Sum of Unique Elementsread	—	Easy	ArrayHash TableCounting	79%
1775	Equal Sum Arrays With Minimum Number of Operationsread	—	Medium	ArrayHash TableGreedy	54%
1781	Sum of Beauty of All Substringsread	—	Medium	Hash TableStringCounting	70%

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