slug
stringlengths
3
79
solution_id
stringlengths
13
89
primary_algorithm
stringclasses
22 values
verified
null
messages
listlengths
3
3
design-spreadsheet
design-spreadsheet__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\nA spreadsheet is a grid with 26 columns (labeled from 'A' to 'Z') and a gi...
longest-common-prefix-of-k-strings-after-removal
longest-common-prefix-of-k-strings-after-removal__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 an array of strings words and an integer k.\n\nFor each inde...
longest-special-path-ii
longest-special-path-ii__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 undirected tree rooted at node 0, with n nodes numbered f...
maximum-unique-subarray-sum-after-deletion
maximum-unique-subarray-sum-after-deletion__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\nYou are allowed to delete any numb...
closest-equal-element-queries
closest-equal-element-queries__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 circular array nums and an array queries.\n\nFor each quer...
zero-array-transformation-iv
zero-array-transformation-iv__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 of length n and a 2D array queries, wh...
count-beautiful-numbers
count-beautiful-numbers__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 positive integers, l and r. A positive integer is called...
phone-number-prefix
phone-number-prefix__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 a string array numbers that represents phone numbers. Return...
maximum-containers-on-a-ship
maximum-containers-on-a-ship__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 representing an n x n cargo deck on a s...
properties-graph
properties-graph__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 a 2D integer array properties having dimensions n x m and an...
find-the-minimum-amount-of-time-to-brew-potions
find-the-minimum-amount-of-time-to-brew-potions__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 integer arrays, skill and mana, of length n and m, respe...
minimum-operations-to-make-array-elements-zero
minimum-operations-to-make-array-elements-zero__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 a 2D array queries, where queries[i] is of the form [l, r]. ...
maximize-score-after-pair-deletions
maximize-score-after-pair-deletions__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 array of integers nums. You must repeatedly perform one o...
reverse-degree-of-a-string
reverse-degree-of-a-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\nGiven a string s, calculate its reverse degree.\n\nThe reverse degree is c...
maximize-active-section-with-trade-i
maximize-active-section-with-trade-i__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 binary string s of length n, where:\n\n\t'1' represents an...
minimum-cost-to-divide-array-into-subarrays
minimum-cost-to-divide-array-into-subarrays__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 integer arrays, nums and cost, of the same size, and an ...
maximize-active-section-with-trade-ii
maximize-active-section-with-trade-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 binary string s of length n, where:\n\n\t'1' represents an...
minimum-cost-to-reach-every-position
minimum-cost-to-reach-every-position__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 cost of size n. You are currently at positi...
longest-palindrome-after-substring-concatenation-i
longest-palindrome-after-substring-concatenation-i__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 strings, s and t.\n\nYou can create a new string by sele...
longest-palindrome-after-substring-concatenation-ii
longest-palindrome-after-substring-concatenation-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 strings, s and t.\n\nYou can create a new string by sele...
minimum-operations-to-make-elements-within-k-subarrays-equal
minimum-operations-to-make-elements-within-k-subarrays-equal__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 and two integers, x and k. You can per...
find-time-required-to-eliminate-bacterial-strains
find-time-required-to-eliminate-bacterial-strains__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 timeReq and an integer splitTime.\n\nIn the...
minimum-pair-removal-to-sort-array-i
minimum-pair-removal-to-sort-array-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\nGiven an array nums, you can perform the following operation any number of...
implement-router
implement-router__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\nDesign a data structure that can efficiently manage data packets in a netw...
maximum-product-of-subsequences-with-an-alternating-sum-equal-to-k
maximum-product-of-subsequences-with-an-alternating-sum-equal-to-k__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 and two integers, k and limit. Your ta...
minimum-pair-removal-to-sort-array-ii
minimum-pair-removal-to-sort-array-ii__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\nGiven an array nums, you can perform the following operation any number of...
make-a-positive-array
make-a-positive-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 an array nums. An array is considered positive if the sum of...
minimum-operations-to-make-array-sum-divisible-by-k
minimum-operations-to-make-array-sum-divisible-by-k__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 and an integer k. You can perform the ...
number-of-unique-xor-triplets-i
number-of-unique-xor-triplets-i__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 of length n, where nums is a permutati...
number-of-unique-xor-triplets-ii
number-of-unique-xor-triplets-ii__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\nA XOR triplet is defined as the XO...
shortest-path-in-a-weighted-tree
shortest-path-in-a-weighted-tree__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, weighted tree rooted at node...
find-closest-person
find-closest-person__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 three integers x, y, and z, representing the positions of th...
smallest-palindromic-rearrangement-i
smallest-palindromic-rearrangement-i__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 a palindromic string s.\n\nReturn the lexicographically smal...
smallest-palindromic-rearrangement-ii
smallest-palindromic-rearrangement-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 palindromic string s and an integer k.\n\nReturn the k-th ...
count-numbers-with-non-decreasing-digits
count-numbers-with-non-decreasing-digits__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, l and r, represented as strings, and an intege...
minimum-threshold-for-inversion-pairs-count
minimum-threshold-for-inversion-pairs-count__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 array of integers nums and an integer k.\n\nAn inversion ...
calculate-score-after-performing-instructions
calculate-score-after-performing-instructions__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 arrays, instructions and values, both of size n.\n\nYou ...
make-array-non-decreasing
make-array-non-decreasing__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. In one operation, you can select a su...
find-x-value-of-array-i
find-x-value-of-array-i__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, and a positive integer k...
find-x-value-of-array-ii
find-x-value-of-array-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 an array of positive integers nums and a positive integer k....
range-xor-queries-with-subarray-reversals
range-xor-queries-with-subarray-reversals__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 and a 2D integer array que...
find-the-most-common-response
find-the-most-common-response__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 2D string array responses where each responses[i] is an ar...
unit-conversion-i
unit-conversion-i__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\nThere are n types of units indexed from 0 to n - 1. You are given a 2D int...
count-cells-in-overlapping-horizontal-and-vertical-substrings
count-cells-in-overlapping-horizontal-and-vertical-substrings__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 m x n matrix grid consisting of characters and a string p...
maximum-profit-from-valid-topological-order-in-dag
maximum-profit-from-valid-topological-order-in-dag__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 Directed Acyclic Graph (DAG) with n nodes labeled from 0 t...
count-covered-buildings
count-covered-buildings__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 a positive integer n, representing an n x n city. You are al...
path-existence-queries-in-a-graph-i
path-existence-queries-in-a-graph-i__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 representing the number of nodes in a graph, la...
concatenated-divisibility
concatenated-divisibility__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 and a positive integer k....
path-existence-queries-in-a-graph-ii
path-existence-queries-in-a-graph-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 an integer n representing the number of nodes in a graph, la...
unit-conversion-ii
unit-conversion-ii__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\nThere are n types of units indexed from 0 to n - 1.\n\nYou are given a 2D ...
fill-a-special-grid
fill-a-special-grid__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 a non-negative integer n representing a 2n x 2n grid. You mu...
merge-operations-for-minimum-travel-time
merge-operations-for-minimum-travel-time__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 straight road of length l km, an integer n, an integer k, ...
find-sum-of-array-product-of-magical-sequences
find-sum-of-array-product-of-magical-sequences__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, m and k, and an integer array nums.\nA sequenc...
minimum-time-to-visit-all-houses
minimum-time-to-visit-all-houses__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 two integer arrays forward and backward, both of size n. You...
find-most-frequent-vowel-and-consonant
find-most-frequent-vowel-and-consonant__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 ('a' to '...
minimum-operations-to-convert-all-elements-to-zero
minimum-operations-to-convert-all-elements-to-zero__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 array nums of size n, consisting of non-negative integers...
maximum-weighted-k-edge-path
maximum-weighted-k-edge-path__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 n and a Directed Acyclic Graph (DAG) with n nodes...
subtree-inversion-sum
subtree-inversion-sum__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 rooted at node 0, with n nodes numbered f...
minimum-deletions-for-at-most-k-distinct-characters
minimum-deletions-for-at-most-k-distinct-characters__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 string s consisting of lowercase English letters, and an i...
equal-sum-grid-partition-i
equal-sum-grid-partition-i__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 m x n matrix grid of positive integers. Your task is to d...
maximum-sum-of-edge-values-in-a-graph
maximum-sum-of-edge-values-in-a-graph__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 undirected connected graph of n nodes, numbered from 0 to...
multiply-two-polynomials
multiply-two-polynomials__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 integer arrays poly1 and poly2, where the element at ind...
smallest-index-with-digit-sum-equal-to-index
smallest-index-with-digit-sum-equal-to-index__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\nReturn the smallest index i such t...
minimum-swaps-to-sort-by-digit-sum
minimum-swaps-to-sort-by-digit-sum__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 array nums of distinct positive integers. You need to sor...
grid-teleportation-traversal
grid-teleportation-traversal__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 a 2D character grid matrix of size m x n, represented as an ...
minimum-weighted-subgraph-with-the-required-paths-ii
minimum-weighted-subgraph-with-the-required-paths-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 an undirected weighted tree with n nodes, numbered from 0 to...
smallest-subarray-to-sort-in-every-sliding-window
smallest-subarray-to-sort-in-every-sliding-window__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 and an integer k.\n\nFor each contiguo...
sum-of-largest-prime-substrings
sum-of-largest-prime-substrings__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 a string s, find the sum of the 3 largest unique prime numbers that ...
find-maximum-number-of-non-intersecting-substrings
find-maximum-number-of-non-intersecting-substrings__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 word.\n\nReturn the maximum number of non-intersect...
number-of-ways-to-assign-edge-weights-i
number-of-ways-to-assign-edge-weights-i__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\nThere is an undirected tree with n nodes labeled from 1 to n, rooted at no...
number-of-ways-to-assign-edge-weights-ii
number-of-ways-to-assign-edge-weights-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\nThere is an undirected tree with n nodes labeled from 1 to n, rooted at no...
find-minimum-log-transportation-cost
find-minimum-log-transportation-cost__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 integers n, m, and k.\n\nThere are two logs of lengths n and...
resulting-string-after-adjacent-removals
resulting-string-after-adjacent-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 of lowercase English letters.\n\nYou m...
maximum-profit-from-trading-stocks-with-discounts
maximum-profit-from-trading-stocks-with-discounts__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 n, representing the number of employees in a comp...
lexicographically-smallest-string-after-adjacent-removals
lexicographically-smallest-string-after-adjacent-removals__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 s consisting of lowercase English letters.\n\nYou c...
sequential-grid-path-cover
sequential-grid-path-cover__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 a 2D array grid of size m x n, and an integer k. There are k...
partition-array-into-two-equal-product-subsets
partition-array-into-two-equal-product-subsets__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 containing distinct positive integers ...
minimum-absolute-difference-in-sliding-submatrix
minimum-absolute-difference-in-sliding-submatrix__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 m x n integer matrix grid and an integer k.\n\nFor every ...
minimum-moves-to-clean-the-classroom
minimum-moves-to-clean-the-classroom__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 m x n grid classroom where a student volunteer is tasked ...
maximize-count-of-distinct-primes-after-split
maximize-count-of-distinct-primes-after-split__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 having length n and a 2D integer array...
find-the-shortest-superstring-ii
find-the-shortest-superstring-ii__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 two strings, s1 and s2. Return the shortest possible string ...
maximize-ysum-by-picking-a-triplet-of-distinct-xvalues
maximize-ysum-by-picking-a-triplet-of-distinct-xvalues__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 x and y, each of length n. You must choos...
best-time-to-buy-and-sell-stock-v
best-time-to-buy-and-sell-stock-v__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 prices where prices[i] is the price of a st...
maximize-subarray-gcd-score
maximize-subarray-gcd-score__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 of positive integers nums and an integer k.\n\nYou ...
maximum-good-subtree-score
maximum-good-subtree-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 an undirected tree rooted at node 0 with n nodes numbered fr...
transform-array-to-all-equal-elements
transform-array-to-all-equal-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 of size n containing only 1 and -1, an...
count-the-number-of-computer-unlocking-permutations
count-the-number-of-computer-unlocking-permutations__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 complexity of length n.\n\nThere are n locked compu...
count-partitions-with-max-min-difference-at-most-k
count-partitions-with-max-min-difference-at-most-k__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 and an integer k. Your task is to part...
minimum-steps-to-convert-string-with-operations
minimum-steps-to-convert-string-with-operations__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 strings, word1 and word2, of equal length. You need to t...
count-odd-letters-from-number
count-odd-letters-from-number__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 n perform the following steps:\n\n\tConvert each ...
generate-tag-for-video-caption
generate-tag-for-video-caption__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 caption representing the caption for a video.\n\nTh...
count-special-triplets
count-special-triplets__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 special triplet is defined as a ...
maximum-product-of-first-and-last-elements-of-a-subsequence
maximum-product-of-first-and-last-elements-of-a-subsequence__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 an integer array nums and an integer m.\n\nReturn the maximu...
find-weighted-median-node-in-tree
find-weighted-median-node-in-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 integer n and an undirected, weighted tree rooted at node...
minimum-adjacent-swaps-to-alternate-parity
minimum-adjacent-swaps-to-alternate-parity__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 array nums of distinct integers.\n\nIn one operation, you...
find-maximum-area-of-a-triangle
find-maximum-area-of-a-triangle__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 2D array coords of size n x 2, representing the coordinate...
count-prime-gap-balanced-subarrays
count-prime-gap-balanced-subarrays__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.\nCreate the variable...
kth-smallest-path-xor-sum
kth-smallest-path-xor-sum__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 undirected tree rooted at node 0 with n nodes numbered fr...
check-if-any-element-has-prime-frequency
check-if-any-element-has-prime-frequency__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\nReturn true if the frequency of an...
inverse-coin-change
inverse-coin-change__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 1-indexed integer array numWays, where numWays[i] represen...