slug
stringlengths
3
79
solution_id
stringlengths
13
89
primary_algorithm
stringclasses
22 values
verified
null
messages
listlengths
3
3
compute-alternating-sum
compute-alternating-sum__01__java
Math
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer array nums.\n\nThe alternating sum of nums is the...
longest-subsequence-with-non-zero-bitwise-xor
longest-subsequence-with-non-zero-bitwise-xor__01__java
Bit Manipulation
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer array nums.\n\nReturn the length of the longest s...
remove-k-balanced-substrings
remove-k-balanced-substrings__01__java
String
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given a string s consisting of '(' and ')', and an integer k.\n\nA...
count-no-zero-pairs-that-sum-to-n
count-no-zero-pairs-that-sum-to-n__01__java
Dynamic Programming
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nA no-zero integer is a positive integer that does not contain the digit 0 ...
equal-score-substrings
equal-score-substrings__01__java
String
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given a string s consisting of lowercase English letters.\n\nThe s...
longest-fibonacci-subarray
longest-fibonacci-subarray__01__java
Dynamic Programming
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an array of positive integers nums.\n\nA Fibonacci array is ...
design-exam-scores-tracker
design-exam-scores-tracker__01__java
Binary Search
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nAlice frequently takes exams and wants to track her scores and calculate t...
maximum-partition-factor
maximum-partition-factor__01__java
Binary Search
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given a 2D integer array points, where points[i] = [xi, yi] repres...
maximum-transactions-without-negative-balance
maximum-transactions-without-negative-balance__01__java
Greedy
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer array transactions, where transactions[i] represe...
sum-of-elements-with-frequency-divisible-by-k
sum-of-elements-with-frequency-divisible-by-k__01__java
Hash Table
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer array nums and an integer k.\n\nReturn an integer...
longest-balanced-substring-i
longest-balanced-substring-i__01__java
Hash Table
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given a string s consisting of lowercase English letters.\n\nA sub...
longest-balanced-substring-ii
longest-balanced-substring-ii__01__java
Hash Table
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given a string s consisting only of the characters 'a', 'b', and '...
sum-of-perfect-square-ancestors
sum-of-perfect-square-ancestors__01__java
DFS
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer n and an undirected tree rooted at node 0 with n ...
minimum-operations-to-make-the-array-beautiful
minimum-operations-to-make-the-array-beautiful__01__java
Dynamic Programming
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer array nums.\n\nAn array is called beautiful if fo...
smallest-missing-multiple-of-k
smallest-missing-multiple-of-k__01__java
Hash Table
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nGiven an integer array nums and an integer k, return the smallest positive...
longest-balanced-subarray-i
longest-balanced-subarray-i__01__java
Hash Table
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer array nums.\n\nA subarray is called balanced if t...
lexicographically-smallest-permutation-greater-than-target
lexicographically-smallest-permutation-greater-than-target__01__java
Greedy
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given two strings s and target, both having length n, consisting o...
longest-balanced-subarray-ii
longest-balanced-subarray-ii__01__java
Hash Table
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer array nums.\n\nA subarray is called balanced if t...
lexicographically-smallest-string-after-reverse
lexicographically-smallest-string-after-reverse__01__java
Two Pointers
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given a string s of length n consisting of lowercase English lette...
maximize-sum-of-squares-of-digits
maximize-sum-of-squares-of-digits__01__java
Greedy
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given two positive integers num and sum.\n\nA positive integer n i...
minimum-operations-to-transform-array
minimum-operations-to-transform-array__01__java
Greedy
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given two integer arrays nums1 of length n and nums2 of length n +...
count-ways-to-choose-coprime-integers-from-rows
count-ways-to-choose-coprime-integers-from-rows__01__java
Dynamic Programming
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given a m x n matrix mat of positive integers.\n\nReturn an intege...
remove-zeros-in-decimal-representation
remove-zeros-in-decimal-representation__01__java
Math
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given a positive integer n.\n\nReturn the integer obtained by remo...
maximum-alternating-sum-of-squares
maximum-alternating-sum-of-squares__01__java
Sorting
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer array nums. You may rearrange the elements in any...
stable-subarrays-with-equal-boundary-and-interior-sum
stable-subarrays-with-equal-boundary-and-interior-sum__01__java
Hash Table
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer array capacity.\n\nA subarray capacity[l..r] is c...
count-distinct-subarrays-divisible-by-k-in-sorted-array
count-distinct-subarrays-divisible-by-k-in-sorted-array__01__java
Hash Table
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer array nums sorted in non-descending order and a p...
maximum-calories-burnt-from-jumps
maximum-calories-burnt-from-jumps__01__java
Greedy
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer array heights of size n, where heights[i] represe...
find-missing-elements
find-missing-elements__01__java
Hash Table
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer array nums consisting of unique integers.\n\nOrig...
maximum-product-of-three-elements-after-one-replacement
maximum-product-of-three-elements-after-one-replacement__01__java
Sorting
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer array nums.\n\nYou must replace exactly one eleme...
minimum-time-to-complete-all-deliveries
minimum-time-to-complete-all-deliveries__01__java
Binary Search
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given two integer arrays of size 2: d = [d1, d2] and r = [r1, r2]....
lexicographically-smallest-palindromic-permutation-greater-than-target
lexicographically-smallest-palindromic-permutation-greater-than-target__01__java
Two Pointers
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given two strings s and target, each of length n, consisting of lo...
lexicographically-smallest-string-after-reverse-ii
lexicographically-smallest-string-after-reverse-ii__01__java
Binary Search
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given a string s of length n consisting of lowercase English lette...
minimum-moves-to-equal-array-elements-iii
minimum-moves-to-equal-array-elements-iii__01__java
Math
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer array nums.\n\nIn one move, you may increase the ...
count-subarrays-with-majority-element-i
count-subarrays-with-majority-element-i__01__java
Divide and Conquer
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer array nums and an integer target.\n\nReturn the n...
longest-non-decreasing-subarray-after-replacing-at-most-one-element
longest-non-decreasing-subarray-after-replacing-at-most-one-element__01__java
Dynamic Programming
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer array nums.\n\nYou are allowed to replace at most...
count-subarrays-with-majority-element-ii
count-subarrays-with-majority-element-ii__01__java
Divide and Conquer
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer array nums and an integer target.\n\nReturn the n...
minimum-distance-between-three-equal-elements-i
minimum-distance-between-three-equal-elements-i__01__java
Hash Table
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer array nums.\n\nA tuple (i, j, k) of 3 distinct in...
minimum-distance-between-three-equal-elements-ii
minimum-distance-between-three-equal-elements-ii__01__java
Hash Table
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer array nums.\n\nA tuple (i, j, k) of 3 distinct in...
maximum-path-score-in-a-grid
maximum-path-score-in-a-grid__01__java
Memoization
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an m x n grid where each cell contains one of the values 0, ...
maximize-cyclic-partition-score
maximize-cyclic-partition-score__01__java
Dynamic Programming
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given a cyclic array nums and an integer k.\n\nPartition nums into...
find-kth-character-in-expanded-string
find-kth-character-in-expanded-string__01__java
Math
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given a string s consisting of one or more words separated by sing...
maximize-expression-of-three-elements
maximize-expression-of-three-elements__01__java
Greedy
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer array nums.\n\nChoose three elements a, b, and c ...
minimum-string-length-after-balanced-removals
minimum-string-length-after-balanced-removals__01__java
String
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given a string s consisting only of the characters 'a' and 'b'.\n\...
count-distinct-integers-after-removing-zeros
count-distinct-integers-after-removing-zeros__01__java
Dynamic Programming
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given a positive integer n.\n\nFor every integer x from 1 to n, we...
count-stable-subarrays
count-stable-subarrays__01__java
Binary Search
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer array nums.\n\nA subarray of nums is called stabl...
evaluate-valid-expressions
evaluate-valid-expressions__01__java
Recursion
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given a string expression that represents a nested mathematical ex...
minimum-number-of-flips-to-reverse-binary-string
minimum-number-of-flips-to-reverse-binary-string__01__java
Math
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given a positive integer n.\n\nLet s be the binary representation ...
total-waviness-of-numbers-in-range-i
total-waviness-of-numbers-in-range-i__01__java
Math
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given two integers num1 and num2 representing an inclusive range [...
lexicographically-smallest-negated-permutation-that-sums-to-target
lexicographically-smallest-negated-permutation-that-sums-to-target__01__java
Greedy
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given a positive integer n and an integer target.\n\nReturn the le...
total-waviness-of-numbers-in-range-ii
total-waviness-of-numbers-in-range-ii__01__java
Dynamic Programming
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given two integers num1 and num2 representing an inclusive range [...
concatenate-non-zero-digits-and-multiply-by-sum-i
concatenate-non-zero-digits-and-multiply-by-sum-i__01__java
Math
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer n.\n\nForm a new integer x by concatenating all t...
find-maximum-balanced-xor-subarray-length
find-maximum-balanced-xor-subarray-length__01__java
Hash Table
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nGiven an integer array nums, return the length of the longest subarray tha...
concatenate-non-zero-digits-and-multiply-by-sum-ii
concatenate-non-zero-digits-and-multiply-by-sum-ii__01__java
Math
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given a string s of length m consisting of digits. You are also gi...
number-of-effective-subsequences
number-of-effective-subsequences__01__java
Dynamic Programming
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer array nums.\n\nThe strength of the array is defin...
convert-number-words-to-digits
convert-number-words-to-digits__01__java
Trie
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given a string s consisting of lowercase English letters. s may co...
count-elements-with-at-least-k-greater-values
count-elements-with-at-least-k-greater-values__01__java
Sorting
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer array nums of length n and an integer k.\n\nAn el...
maximum-substrings-with-distinct-start
maximum-substrings-with-distinct-start__01__java
Hash Table
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given a string s consisting of lowercase English letters.\n\nRetur...
minimum-absolute-distance-between-mirror-pairs
minimum-absolute-distance-between-mirror-pairs__01__java
Hash Table
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer array nums.\n\nA mirror pair is a pair of indices...
minimum-operations-to-equalize-subarrays
minimum-operations-to-equalize-subarrays__01__java
Binary Search
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer array nums and an integer k.\n\nIn one operation,...
maximum-total-sum-with-threshold-constraints
maximum-total-sum-with-threshold-constraints__01__java
Greedy
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given two integer arrays nums and threshold, both of length n.\n\n...
complete-prime-number
complete-prime-number__01__java
Math
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer num.\n\nA number num is called a Complete Prime N...
minimum-operations-to-make-binary-palindrome
minimum-operations-to-make-binary-palindrome__01__java
Binary Search
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer array nums.\n\nFor each element nums[i], you may ...
maximize-points-after-choosing-k-tasks
maximize-points-after-choosing-k-tasks__01__java
Greedy
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given two integer arrays, technique1 and technique2, each of lengt...
minimum-inversion-count-in-subarrays-of-fixed-length
minimum-inversion-count-in-subarrays-of-fixed-length__01__java
Sliding Window
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer array nums of length n and an integer k.\n\nAn in...
sort-integers-by-binary-reflection
sort-integers-by-binary-reflection__01__java
Sorting
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer array nums.\n\nThe binary reflection of a positiv...
largest-prime-from-consecutive-prime-sum
largest-prime-from-consecutive-prime-sum__01__java
Binary Search
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer n.\n\nReturn the largest prime number less than o...
total-score-of-dungeon-runs
total-score-of-dungeon-runs__01__java
Binary Search
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given a positive integer hp and two positive 1-indexed integer arr...
maximum-subgraph-score-in-a-tree
maximum-subgraph-score-in-a-tree__01__java
Dynamic Programming
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an undirected tree with n nodes, numbered from 0 to n - 1. I...
maximum-number-of-equal-length-runs
maximum-number-of-equal-length-runs__01__java
Hash Table
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given a string s consisting of lowercase English letters.\n\nA run...
absolute-difference-between-maximum-and-minimum-k-elements
absolute-difference-between-maximum-and-minimum-k-elements__01__java
Sorting
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer array nums and an integer k.\n\nFind the absolute...
reverse-words-with-same-vowel-count
reverse-words-with-same-vowel-count__01__java
Math
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given a string s consisting of lowercase English words, each separ...
minimum-moves-to-balance-circular-array
minimum-moves-to-balance-circular-array__01__java
Math
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given a circular array balance of length n, where balance[i] is th...
minimum-deletions-to-make-alternating-substring
minimum-deletions-to-make-alternating-substring__01__java
String
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given a string s of length n consisting only of the characters 'A'...
minimum-distance-excluding-one-maximum-weighted-edge
minimum-distance-excluding-one-maximum-weighted-edge__01__java
Brute Force
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given a positive integer n and a 2D integer array edges, where edg...
minimum-number-of-operations-to-have-distinct-elements
minimum-number-of-operations-to-have-distinct-elements__01__java
Hash Table
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer array nums.\n\nIn one operation, you remove the f...
maximum-sum-of-three-numbers-divisible-by-three
maximum-sum-of-three-numbers-divisible-by-three__01__java
Sorting
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer array nums.\n\nYour task is to choose exactly thr...
maximum-score-after-binary-swaps
maximum-score-after-binary-swaps__01__java
Heap
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer array nums of length n and a binary string s of t...
last-remaining-integer-after-alternating-deletion-operations
last-remaining-integer-after-alternating-deletion-operations__01__java
Math
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer n.\n\nWe write the integers from 1 to n in a sequ...
mirror-distance-of-an-integer
mirror-distance-of-an-integer__01__java
Math
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer n.\n\nDefine its mirror distance as: abs(n - reve...
minimum-deletion-cost-to-make-all-characters-equal
minimum-deletion-cost-to-make-all-characters-equal__01__java
Hash Table
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given a string s of length n and an integer array cost of the same...
minimum-swaps-to-avoid-forbidden-values
minimum-swaps-to-avoid-forbidden-values__01__java
Greedy
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given two integer arrays, nums and forbidden, each of length n.\n\...
total-sum-of-interaction-cost-in-tree-groups
total-sum-of-interaction-cost-in-tree-groups__01__java
DFS
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer n and an undirected tree with n nodes numbered fr...
find-diameter-endpoints-of-a-tree
find-diameter-endpoints-of-a-tree__01__java
BFS
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an undirected tree with n nodes, numbered from 0 to n - 1. I...
maximum-score-of-a-split
maximum-score-of-a-split__01__java
Array
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer array nums of length n.\n\nChoose an index i such...
minimum-cost-to-acquire-required-items
minimum-cost-to-acquire-required-items__01__java
Greedy
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given five integers cost1, cost2, costBoth, need1, and need2.\n\nT...
smallest-all-ones-multiple
smallest-all-ones-multiple__01__java
Math
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given a positive integer k.\n\nFind the smallest integer n divisib...
number-of-balanced-integers-in-a-range
number-of-balanced-integers-in-a-range__01__java
Dynamic Programming
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given two integers low and high.\n\nAn integer is called balanced ...
sum-of-increasing-product-blocks
sum-of-increasing-product-blocks__01__java
Math
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer n.\n\nA sequence is formed as follows:\n\n\tThe 1...
reverse-string-prefix
reverse-string-prefix__01__java
Math
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given a string s and an integer k.\n\nReverse the first k characte...
minimum-subarray-length-with-distinct-sum-at-least-k
minimum-subarray-length-with-distinct-sum-at-least-k__01__java
Sliding Window
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer array nums and an integer k.\n\nReturn the minimu...
find-maximum-value-in-a-constrained-sequence
find-maximum-value-in-a-constrained-sequence__01__java
Greedy
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer n, a 2D integer array restrictions, and an intege...
count-routes-to-climb-a-rectangular-grid
count-routes-to-climb-a-rectangular-grid__01__java
Dynamic Programming
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given a string array grid of size n, where each string grid[i] has...
largest-even-number
largest-even-number__01__java
String
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given a string s consisting only of the characters '1' and '2'.\n\...
word-squares-ii
word-squares-ii__01__java
Backtracking
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given a string array words, consisting of distinct 4-letter string...
minimum-cost-to-make-two-binary-strings-equal
minimum-cost-to-make-two-binary-strings-equal__01__java
Greedy
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given two binary strings s and t, both of length n, and three posi...
minimum-cost-to-merge-sorted-lists
minimum-cost-to-merge-sorted-lists__01__java
Dynamic Programming
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given a 2D integer array lists, where each lists[i] is a non-empty...
number-of-ways-to-paint-sheets
number-of-ways-to-paint-sheets__01__java
Brute Force
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer n representing the number of sheets.\n\nYou are a...
count-residue-prefixes
count-residue-prefixes__01__java
Hash Table
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given a string s consisting only of lowercase English letters.\n\n...
number-of-centered-subarrays
number-of-centered-subarrays__01__java
Hash Table
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an integer array nums.\n\nA subarray of nums is called cente...
count-caesar-cipher-pairs
count-caesar-cipher-pairs__01__java
Math
null
[ { "role": "system", "content": "You are a competitive programming assistant. Given a problem, its examples, and a required algorithm/technique, write a correct Java solution." }, { "role": "user", "content": "### Problem\nYou are given an array words of n strings. Each string has length m and co...