questionFrontendId
int64
1
3.51k
questionTitle
stringlengths
3
79
TitleSlug
stringlengths
3
79
content
stringlengths
431
25.4k
difficulty
stringclasses
3 values
totalAccepted
stringlengths
2
6
totalSubmission
stringlengths
2
6
totalAcceptedRaw
int64
124
16.8M
totalSubmissionRaw
int64
285
30.3M
acRate
stringlengths
4
5
similarQuestions
stringlengths
2
714
mysqlSchemas
stringclasses
295 values
category
stringclasses
6 values
codeDefinition
stringlengths
122
24.9k
sampleTestCase
stringlengths
1
4.33k
metaData
stringlengths
37
3.13k
envInfo
stringclasses
26 values
topicTags
stringlengths
2
153
3,510
Minimum Pair Removal to Sort Array II
minimum-pair-removal-to-sort-array-ii
<p>Given an array <code>nums</code>, you can perform the following operation any number of times:</p> <ul> <li>Select the <strong>adjacent</strong> pair with the <strong>minimum</strong> sum in <code>nums</code>. If multiple such pairs exist, choose the leftmost one.</li> <li>Replace the pair with their sum.</li> </...
Hard
2K
16.7K
1,984
16,715
11.9%
[]
[]
Algorithms
[{"value": "cpp", "text": "C++", "defaultCode": "class Solution {\npublic:\n int minimumPairRemoval(vector<int>& nums) {\n \n }\n};"}, {"value": "java", "text": "Java", "defaultCode": "class Solution {\n public int minimumPairRemoval(int[] nums) {\n \n }\n}"}, {"value": "python", "text": "Pyth...
[5,2,3,1]
{ "name": "minimumPairRemoval", "params": [ { "name": "nums", "type": "integer[]" } ], "return": { "type": "integer" } }
{"cpp": ["C++", "<p>Compiled with <code> clang 19 </code> using the latest C++ 23 standard, and <code>libstdc++</code> provided by GCC 14.</p>\r\n\r\n<p>Your code is compiled with level two optimization (<code>-O2</code>). <a href=\"https://github.com/google/sanitizers/wiki/AddressSanitizer\" target=\"_blank\">AddressS...
['Array', 'Hash Table', 'Linked List', 'Heap (Priority Queue)', 'Simulation', 'Doubly-Linked List', 'Ordered Set']
3,511
Make a Positive Array
make-a-positive-array
null
Medium
207
539
207
539
38.4%
[]
[]
Algorithms
null
[-10,15,-12]
{ "name": "makeArrayPositive", "params": [ { "name": "nums", "type": "integer[]" } ], "return": { "type": "integer" } }
{"cpp": ["C++", "<p>Compiled with <code> clang 19 </code> using the latest C++ 23 standard, and <code>libstdc++</code> provided by GCC 14.</p>\r\n\r\n<p>Your code is compiled with level two optimization (<code>-O2</code>). <a href=\"https://github.com/google/sanitizers/wiki/AddressSanitizer\" target=\"_blank\">AddressS...
['Array', 'Greedy', 'Prefix Sum']
1,684
Count the Number of Consistent Strings
count-the-number-of-consistent-strings
<p>You are given a string <code>allowed</code> consisting of <strong>distinct</strong> characters and an array of strings <code>words</code>. A string is <strong>consistent </strong>if all characters in the string appear in the string <code>allowed</code>.</p> <p>Return<em> the number of <strong>consistent</strong> st...
Easy
389.3K
441.2K
389,301
441,226
88.2%
['count-pairs-of-similar-strings']
[]
Algorithms
[{"value": "cpp", "text": "C++", "defaultCode": "class Solution {\npublic:\n int countConsistentStrings(string allowed, vector<string>& words) {\n \n }\n};"}, {"value": "java", "text": "Java", "defaultCode": "class Solution {\n public int countConsistentStrings(String allowed, String[] words) {\n ...
"ab" ["ad","bd","aaab","baa","badab"]
{ "name": "countConsistentStrings", "params": [ { "name": "allowed", "type": "string" }, { "type": "string[]", "name": "words" } ], "return": { "type": "integer" } }
{"cpp": ["C++", "<p>Compiled with <code> clang 19 </code> using the latest C++ 23 standard, and <code>libstdc++</code> provided by GCC 14.</p>\r\n\r\n<p>Your code is compiled with level two optimization (<code>-O2</code>). <a href=\"https://github.com/google/sanitizers/wiki/AddressSanitizer\" target=\"_blank\">AddressS...
['Array', 'Hash Table', 'String', 'Bit Manipulation', 'Counting']
1,982
Find Array Given Subset Sums
find-array-given-subset-sums
<p>You are given an integer <code>n</code> representing the length of an unknown array that you are trying to recover. You are also given an array <code>sums</code> containing the values of all <code>2<sup>n</sup></code> <strong>subset sums</strong> of the unknown array (in no particular order).</p> <p>Return <em>the ...
Hard
6.6K
13.6K
6,586
13,572
48.5%
['subsets', 'subsets-ii', 'recover-the-original-array']
[]
Algorithms
[{"value": "cpp", "text": "C++", "defaultCode": "class Solution {\npublic:\n vector<int> recoverArray(int n, vector<int>& sums) {\n \n }\n};"}, {"value": "java", "text": "Java", "defaultCode": "class Solution {\n public int[] recoverArray(int n, int[] sums) {\n \n }\n}"}, {"value": "python", "...
3 [-3,-2,-1,0,0,1,2,3]
{ "name": "recoverArray", "params": [ { "name": "n", "type": "integer" }, { "type": "integer[]", "name": "sums" } ], "return": { "type": "integer[]" }, "manual": false }
{"cpp": ["C++", "<p>Compiled with <code> clang 19 </code> using the latest C++ 23 standard, and <code>libstdc++</code> provided by GCC 14.</p>\r\n\r\n<p>Your code is compiled with level two optimization (<code>-O2</code>). <a href=\"https://github.com/google/sanitizers/wiki/AddressSanitizer\" target=\"_blank\">AddressS...
['Array', 'Divide and Conquer']
2,269
Find the K-Beauty of a Number
find-the-k-beauty-of-a-number
<p>The <strong>k-beauty</strong> of an integer <code>num</code> is defined as the number of <strong>substrings</strong> of <code>num</code> when it is read as a string that meet the following conditions:</p> <ul> <li>It has a length of <code>k</code>.</li> <li>It is a divisor of <code>num</code>.</li> </ul> <p>Give...
Easy
73.5K
119.8K
73,494
119,804
61.3%
[]
[]
Algorithms
[{"value": "cpp", "text": "C++", "defaultCode": "class Solution {\npublic:\n int divisorSubstrings(int num, int k) {\n \n }\n};"}, {"value": "java", "text": "Java", "defaultCode": "class Solution {\n public int divisorSubstrings(int num, int k) {\n \n }\n}"}, {"value": "python", "text": "Pytho...
240 2
{ "name": "divisorSubstrings", "params": [ { "name": "num", "type": "integer" }, { "type": "integer", "name": "k" } ], "return": { "type": "integer" } }
{"cpp": ["C++", "<p>Compiled with <code> clang 19 </code> using the latest C++ 23 standard, and <code>libstdc++</code> provided by GCC 14.</p>\r\n\r\n<p>Your code is compiled with level two optimization (<code>-O2</code>). <a href=\"https://github.com/google/sanitizers/wiki/AddressSanitizer\" target=\"_blank\">AddressS...
['Math', 'String', 'Sliding Window']
2,270
Number of Ways to Split Array
number-of-ways-to-split-array
<p>You are given a <strong>0-indexed</strong> integer array <code>nums</code> of length <code>n</code>.</p> <p><code>nums</code> contains a <strong>valid split</strong> at index <code>i</code> if the following are true:</p> <ul> <li>The sum of the first <code>i + 1</code> elements is <strong>greater than or equal to...
Medium
212.2K
378.3K
212,195
378,285
56.1%
['split-array-largest-sum', 'find-pivot-index', 'ways-to-split-array-into-three-subarrays', 'find-the-middle-index-in-array', 'partition-array-into-two-arrays-to-minimize-sum-difference', 'minimum-average-difference']
[]
Algorithms
[{"value": "cpp", "text": "C++", "defaultCode": "class Solution {\npublic:\n int waysToSplitArray(vector<int>& nums) {\n \n }\n};"}, {"value": "java", "text": "Java", "defaultCode": "class Solution {\n public int waysToSplitArray(int[] nums) {\n \n }\n}"}, {"value": "python", "text": "Python",...
[10,4,-8,7]
{ "name": "waysToSplitArray", "params": [ { "name": "nums", "type": "integer[]" } ], "return": { "type": "integer" } }
{"cpp": ["C++", "<p>Compiled with <code> clang 19 </code> using the latest C++ 23 standard, and <code>libstdc++</code> provided by GCC 14.</p>\r\n\r\n<p>Your code is compiled with level two optimization (<code>-O2</code>). <a href=\"https://github.com/google/sanitizers/wiki/AddressSanitizer\" target=\"_blank\">AddressS...
['Array', 'Prefix Sum']
2,273
Find Resultant Array After Removing Anagrams
find-resultant-array-after-removing-anagrams
<p>You are given a <strong>0-indexed</strong> string array <code>words</code>, where <code>words[i]</code> consists of lowercase English letters.</p> <p>In one operation, select any index <code>i</code> such that <code>0 &lt; i &lt; words.length</code> and <code>words[i - 1]</code> and <code>words[i]</code> are <stron...
Easy
74.5K
125.9K
74,544
125,885
59.2%
['group-anagrams', 'valid-anagram']
[]
Algorithms
[{"value": "cpp", "text": "C++", "defaultCode": "class Solution {\npublic:\n vector<string> removeAnagrams(vector<string>& words) {\n \n }\n};"}, {"value": "java", "text": "Java", "defaultCode": "class Solution {\n public List<String> removeAnagrams(String[] words) {\n \n }\n}"}, {"value": "py...
["abba","baba","bbaa","cd","cd"]
{ "name": "removeAnagrams", "params": [ { "name": "words", "type": "string[]" } ], "return": { "type": "list<string>" } }
{"cpp": ["C++", "<p>Compiled with <code> clang 19 </code> using the latest C++ 23 standard, and <code>libstdc++</code> provided by GCC 14.</p>\r\n\r\n<p>Your code is compiled with level two optimization (<code>-O2</code>). <a href=\"https://github.com/google/sanitizers/wiki/AddressSanitizer\" target=\"_blank\">AddressS...
['Array', 'Hash Table', 'String', 'Sorting']
2,275
Largest Combination With Bitwise AND Greater Than Zero
largest-combination-with-bitwise-and-greater-than-zero
<p>The <strong>bitwise AND</strong> of an array <code>nums</code> is the bitwise AND of all integers in <code>nums</code>.</p> <ul> <li>For example, for <code>nums = [1, 5, 3]</code>, the bitwise AND is equal to <code>1 &amp; 5 &amp; 3 = 1</code>.</li> <li>Also, for <code>nums = [7]</code>, the bitwise AND is <code>...
Medium
149.7K
185K
149,733
185,042
80.9%
['count-number-of-maximum-bitwise-or-subsets']
[]
Algorithms
[{"value": "cpp", "text": "C++", "defaultCode": "class Solution {\npublic:\n int largestCombination(vector<int>& candidates) {\n \n }\n};"}, {"value": "java", "text": "Java", "defaultCode": "class Solution {\n public int largestCombination(int[] candidates) {\n \n }\n}"}, {"value": "python", "...
[16,17,71,62,12,24,14]
{ "name": "largestCombination", "params": [ { "name": "candidates", "type": "integer[]" } ], "return": { "type": "integer" } }
{"cpp": ["C++", "<p>Compiled with <code> clang 19 </code> using the latest C++ 23 standard, and <code>libstdc++</code> provided by GCC 14.</p>\r\n\r\n<p>Your code is compiled with level two optimization (<code>-O2</code>). <a href=\"https://github.com/google/sanitizers/wiki/AddressSanitizer\" target=\"_blank\">AddressS...
['Array', 'Hash Table', 'Bit Manipulation', 'Counting']
2,276
Count Integers in Intervals
count-integers-in-intervals
<p>Given an <strong>empty</strong> set of intervals, implement a data structure that can:</p> <ul> <li><strong>Add</strong> an interval to the set of intervals.</li> <li><strong>Count</strong> the number of integers that are present in <strong>at least one</strong> interval.</li> </ul> <p>Implement the <code>CountI...
Hard
22.6K
62.8K
22,645
62,831
36.0%
['merge-intervals', 'insert-interval', 'data-stream-as-disjoint-intervals', 'my-calendar-iii']
[]
Algorithms
[{"value": "cpp", "text": "C++", "defaultCode": "class CountIntervals {\npublic:\n CountIntervals() {\n \n }\n \n void add(int left, int right) {\n \n }\n \n int count() {\n \n }\n};\n\n/**\n * Your CountIntervals object will be instantiated and called as such:\n * CountInte...
["CountIntervals","add","add","count","add","count"] [[],[2,3],[7,10],[],[5,8],[]]
{ "classname": "CountIntervals", "constructor": { "params": [] }, "methods": [ { "params": [ { "type": "integer", "name": "left" }, { "type": "integer", "name": "right" } ], "name": "add", "return": { ...
{"cpp": ["C++", "<p>Compiled with <code> clang 19 </code> using the latest C++ 23 standard, and <code>libstdc++</code> provided by GCC 14.</p>\r\n\r\n<p>Your code is compiled with level two optimization (<code>-O2</code>). <a href=\"https://github.com/google/sanitizers/wiki/AddressSanitizer\" target=\"_blank\">AddressS...
['Design', 'Segment Tree', 'Ordered Set']
2,488
Count Subarrays With Median K
count-subarrays-with-median-k
<p>You are given an array <code>nums</code> of size <code>n</code> consisting of <strong>distinct </strong>integers from <code>1</code> to <code>n</code> and a positive integer <code>k</code>.</p> <p>Return <em>the number of non-empty subarrays in </em><code>nums</code><em> that have a <strong>median</strong> equal to...
Hard
14.8K
32.9K
14,778
32,857
45.0%
['number-of-subarrays-with-bounded-maximum', 'number-of-sub-arrays-of-size-k-and-average-greater-than-or-equal-to-threshold', 'sum-of-imbalance-numbers-of-all-subarrays']
[]
Algorithms
[{"value": "cpp", "text": "C++", "defaultCode": "class Solution {\npublic:\n int countSubarrays(vector<int>& nums, int k) {\n \n }\n};"}, {"value": "java", "text": "Java", "defaultCode": "class Solution {\n public int countSubarrays(int[] nums, int k) {\n \n }\n}"}, {"value": "python", "text":...
[3,2,1,4,5] 4
{ "name": "countSubarrays", "params": [ { "name": "nums", "type": "integer[]" }, { "type": "integer", "name": "k" } ], "return": { "type": "integer" } }
{"cpp": ["C++", "<p>Compiled with <code> clang 19 </code> using the latest C++ 23 standard, and <code>libstdc++</code> provided by GCC 14.</p>\r\n\r\n<p>Your code is compiled with level two optimization (<code>-O2</code>). <a href=\"https://github.com/google/sanitizers/wiki/AddressSanitizer\" target=\"_blank\">AddressS...
['Array', 'Hash Table', 'Prefix Sum']
2,653
Sliding Subarray Beauty
sliding-subarray-beauty
<p>Given an integer array <code>nums</code> containing <code>n</code> integers, find the <strong>beauty</strong> of each subarray of size <code>k</code>.</p> <p>The <strong>beauty</strong> of a subarray is the <code>x<sup>th</sup></code><strong> smallest integer </strong>in the subarray if it is <strong>negative</stro...
Medium
25.8K
76.8K
25,770
76,807
33.6%
[]
[]
Algorithms
[{"value": "cpp", "text": "C++", "defaultCode": "class Solution {\npublic:\n vector<int> getSubarrayBeauty(vector<int>& nums, int k, int x) {\n \n }\n};"}, {"value": "java", "text": "Java", "defaultCode": "class Solution {\n public int[] getSubarrayBeauty(int[] nums, int k, int x) {\n \n }\n}"...
[1,-1,-3,-2,3] 3 2
{ "name": "getSubarrayBeauty", "params": [ { "name": "nums", "type": "integer[]" }, { "type": "integer", "name": "k" }, { "type": "integer", "name": "x" } ], "return": { "type": "integer[]" } }
{"cpp": ["C++", "<p>Compiled with <code> clang 19 </code> using the latest C++ 23 standard, and <code>libstdc++</code> provided by GCC 14.</p>\r\n\r\n<p>Your code is compiled with level two optimization (<code>-O2</code>). <a href=\"https://github.com/google/sanitizers/wiki/AddressSanitizer\" target=\"_blank\">AddressS...
['Array', 'Hash Table', 'Sliding Window']