slug
stringlengths
3
79
solution_id
stringlengths
13
89
primary_algorithm
stringclasses
22 values
verified
null
messages
listlengths
3
3
kth-largest-sum-in-a-binary-tree
kth-largest-sum-in-a-binary-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 the root of a binary tree and a positive integer k.\n\nThe l...
kth-largest-sum-in-a-binary-tree
kth-largest-sum-in-a-binary-tree__02__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 the root of a binary tree and a positive integer k.\n\nThe l...
split-the-array-to-make-coprime-products
split-the-array-to-make-coprime-products__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 0-indexed integer array nums of length n.\n\nA split at an...
number-of-ways-to-earn-points
number-of-ways-to-earn-points__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 a test that has n types of questions. You are given an integer ta...
count-the-number-of-vowel-strings-in-range
count-the-number-of-vowel-strings-in-range__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 0-indexed array of string words and two integers left and ...
rearrange-array-to-maximize-prefix-score
rearrange-array-to-maximize-prefix-score__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 0-indexed integer array nums. You can rearrange the elemen...
count-the-number-of-beautiful-subarrays
count-the-number-of-beautiful-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 a 0-indexed integer array nums. In one operation, you can:\n...
minimum-time-to-complete-all-tasks
minimum-time-to-complete-all-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\nThere is a computer that can run an unlimited number of tasks at the same ...
design-a-todo-list
design-a-todo-list__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\nDesign a Todo List Where users can add tasks, mark them as complete, or ge...
distribute-money-to-maximum-children
distribute-money-to-maximum-children__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 money denoting the amount of money (in dollars) t...
maximize-greatness-of-an-array
maximize-greatness-of-an-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 a 0-indexed integer array nums. You are allowed to permute n...
find-score-of-an-array-after-marking-all-elements
find-score-of-an-array-after-marking-all-elements__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 array nums consisting of positive integers.\n\nStarting w...
find-score-of-an-array-after-marking-all-elements
find-score-of-an-array-after-marking-all-elements__02__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 consisting of positive integers.\n\nStarting w...
minimum-time-to-repair-cars
minimum-time-to-repair-cars__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 ranks representing the ranks of some mechan...
number-of-even-and-odd-bits
number-of-even-and-odd-bits__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.\n\nLet even denote the number of even ...
number-of-even-and-odd-bits
number-of-even-and-odd-bits__02__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 positive integer n.\n\nLet even denote the number of even ...
check-knight-tour-configuration
check-knight-tour-configuration__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\nThere is a knight on an n x n chessboard. In a valid configuration, the kn...
the-number-of-beautiful-subsets
the-number-of-beautiful-subsets__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 an array nums of positive integers and a positive integer k....
smallest-missing-non-negative-integer-after-operations
smallest-missing-non-negative-integer-after-operations__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 0-indexed integer array nums and an integer value.\n\nIn o...
make-the-prefix-sum-non-negative
make-the-prefix-sum-non-negative__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 0-indexed integer array nums. You can apply the following ...
k-items-with-the-maximum-sum
k-items-with-the-maximum-sum__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\nThere is a bag that consists of items, each item has a number 1, 0, or -1 ...
prime-subtraction-operation
prime-subtraction-operation__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 0-indexed integer array nums of length n.\n\nYou can perfo...
minimum-operations-to-make-all-array-elements-equal
minimum-operations-to-make-all-array-elements-equal__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 nums consisting of positive integers.\n\nYou are al...
collect-coins-in-a-tree
collect-coins-in-a-tree__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\nThere exists an undirected and unrooted tree with n nodes indexed from 0 t...
minimum-time-to-eat-all-grains
minimum-time-to-eat-all-grains__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\nThere are n hens and m grains on a line. You are given the initial positio...
form-smallest-number-from-two-digit-arrays
form-smallest-number-from-two-digit-arrays__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 two arrays of unique digits nums1 and nums2, return the smallest num...
form-smallest-number-from-two-digit-arrays
form-smallest-number-from-two-digit-arrays__02__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 two arrays of unique digits nums1 and nums2, return the smallest num...
form-smallest-number-from-two-digit-arrays
form-smallest-number-from-two-digit-arrays__03__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 two arrays of unique digits nums1 and nums2, return the smallest num...
find-the-substring-with-maximum-cost
find-the-substring-with-maximum-cost__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, a string chars of distinct characters and an int...
find-the-substring-with-maximum-cost
find-the-substring-with-maximum-cost__02__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, a string chars of distinct characters and an int...
make-k-subarray-sums-equal
make-k-subarray-sums-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 a 0-indexed integer array arr and an integer k. The array ar...
shortest-cycle-in-a-graph
shortest-cycle-in-a-graph__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\nThere is a bi-directional graph with n vertices, where each vertex is labe...
shortest-cycle-in-a-graph
shortest-cycle-in-a-graph__02__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\nThere is a bi-directional graph with n vertices, where each vertex is labe...
find-the-longest-balanced-substring-of-a-binary-string
find-the-longest-balanced-substring-of-a-binary-string__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 binary string s consisting only of zeroes and ones.\n\nA s...
find-the-longest-balanced-substring-of-a-binary-string
find-the-longest-balanced-substring-of-a-binary-string__02__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 binary string s consisting only of zeroes and ones.\n\nA s...
convert-an-array-into-a-2d-array-with-conditions
convert-an-array-into-a-2d-array-with-conditions__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. You need to create a 2D array from nu...
mice-and-cheese
mice-and-cheese__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\nThere are two mice and n different types of cheese, each type of cheese sh...
mice-and-cheese
mice-and-cheese__02__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\nThere are two mice and n different types of cheese, each type of cheese sh...
minimum-reverse-operations
minimum-reverse-operations__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 integer n and an integer p representing an array arr of l...
beautiful-pairs
beautiful-pairs__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 two 0-indexed integer arrays nums1 and nums2 of the same len...
prime-in-diagonal
prime-in-diagonal__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 0-indexed two-dimensional integer array nums.\n\nReturn th...
sum-of-distances
sum-of-distances__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 0-indexed integer array nums. There exists an array arr of...
minimize-the-maximum-difference-of-pairs
minimize-the-maximum-difference-of-pairs__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 0-indexed integer array nums and an integer p. Find p pair...
minimum-number-of-visited-cells-in-a-grid
minimum-number-of-visited-cells-in-a-grid__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 a 0-indexed m x n integer matrix grid. Your initial position...
count-the-number-of-k-free-subsets
count-the-number-of-k-free-subsets__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, which contains distinct elements and ...
find-the-width-of-columns-of-a-grid
find-the-width-of-columns-of-a-grid__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 0-indexed m x n integer matrix grid. The width of a column...
find-the-score-of-all-prefixes-of-an-array
find-the-score-of-all-prefixes-of-an-array__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\nWe define the conversion array conver of an array arr as follows:\n\n\tcon...
cousins-in-binary-tree-ii
cousins-in-binary-tree-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\nGiven the root of a binary tree, replace the value of each node in the tre...
cousins-in-binary-tree-ii
cousins-in-binary-tree-ii__02__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\nGiven the root of a binary tree, replace the value of each node in the tre...
design-graph-with-shortest-path-calculator
design-graph-with-shortest-path-calculator__01__java
Graph
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 a directed weighted graph that consists of n nodes numbered from ...
row-with-maximum-ones
row-with-maximum-ones__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 m x n binary matrix mat, find the 0-indexed position of the row th...
find-the-maximum-divisibility-score
find-the-maximum-divisibility-score__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 nums and divisors.\n\nThe divisibility sc...
minimum-additions-to-make-valid-string
minimum-additions-to-make-valid-string__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\nGiven a string word to which you can insert letters \"a\", \"b\" or \"c\" ...
minimize-the-total-price-of-the-trips
minimize-the-total-price-of-the-trips__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 exists an undirected and unrooted tree with n nodes indexed from 0 t...
color-the-triangle-red
color-the-triangle-red__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. Consider an equilateral triangle of side lengt...
calculate-delayed-arrival-time
calculate-delayed-arrival-time__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 arrivalTime denoting the arrival time of ...
sum-multiples
sum-multiples__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 positive integer n, find the sum of all integers in the range [1, ...
sum-multiples
sum-multiples__02__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 positive integer n, find the sum of all integers in the range [1, ...
sliding-subarray-beauty
sliding-subarray-beauty__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\nGiven an integer array nums containing n integers, find the beauty of each...
sliding-subarray-beauty
sliding-subarray-beauty__02__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\nGiven an integer array nums containing n integers, find the beauty of each...
minimum-number-of-operations-to-make-all-array-elements-equal-to-1
minimum-number-of-operations-to-make-all-array-elements-equal-to-1__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 0-indexed array nums consisting of positive integers. You ...
find-maximal-uncovered-ranges
find-maximal-uncovered-ranges__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 n which is the length of a 0-indexed array nums, ...
maximum-sum-with-exactly-k-elements
maximum-sum-with-exactly-k-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 a 0-indexed integer array nums and an integer k. Your task i...
find-the-prefix-common-array-of-two-arrays
find-the-prefix-common-array-of-two-arrays__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 two 0-indexed integer permutations A and B of length n.\n\nA...
find-the-prefix-common-array-of-two-arrays
find-the-prefix-common-array-of-two-arrays__02__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 two 0-indexed integer permutations A and B of length n.\n\nA...
find-the-prefix-common-array-of-two-arrays
find-the-prefix-common-array-of-two-arrays__03__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 two 0-indexed integer permutations A and B of length n.\n\nA...
maximum-number-of-fish-in-a-grid
maximum-number-of-fish-in-a-grid__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 0-indexed 2D matrix grid of size m x n, where (r, c) repre...
make-array-empty
make-array-empty__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 containing distinct numbers, and you c...
determine-the-winner-of-a-bowling-game
determine-the-winner-of-a-bowling-game__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 0-indexed integer arrays player1 and player2, representi...
first-completely-painted-row-or-column
first-completely-painted-row-or-column__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 0-indexed integer array arr, and an m x n integer matrix m...
minimum-cost-of-a-path-with-special-roads
minimum-cost-of-a-path-with-special-roads__01__java
Graph
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 start where start = [startX, startY] represents you...
lexicographically-smallest-beautiful-string
lexicographically-smallest-beautiful-string__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\nA string is beautiful if:\n\n\tIt consists of the first k letters of the E...
the-knights-tour
the-knights-tour__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\nGiven two positive integers m and n which are the height and width of a 0-...
find-the-distinct-difference-array
find-the-distinct-difference-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 a 0-indexed array nums of length n.\n\nThe distinct differen...
frequency-tracker
frequency-tracker__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\nDesign a data structure that keeps track of the values in it and answers s...
number-of-adjacent-elements-with-the-same-color
number-of-adjacent-elements-with-the-same-color__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 n representing an array colors of length n where ...
make-costs-of-paths-equal-in-a-binary-tree
make-costs-of-paths-equal-in-a-binary-tree__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 representing the number of nodes in a perfect b...
split-a-circular-linked-list
split-a-circular-linked-list__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\nGiven a circular linked list list of positive integers, your task is to sp...
number-of-senior-citizens
number-of-senior-citizens__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 a 0-indexed array of strings details. Each element of detail...
sum-in-a-matrix
sum-in-a-matrix__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 0-indexed 2D integer array nums. Initially, your score is ...
maximum-or
maximum-or__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 0-indexed integer array nums of length n and an integer k....
power-of-heroes
power-of-heroes__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 0-indexed integer array nums representing the strength of ...
find-the-losers-of-the-circular-game
find-the-losers-of-the-circular-game__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\nThere are n friends that are playing a game. The friends are sitting in a ...
neighboring-bitwise-xor
neighboring-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\nA 0-indexed array derived with length n is derived by computing the bitwis...
maximum-number-of-moves-in-a-grid
maximum-number-of-moves-in-a-grid__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 0-indexed m x n matrix grid consisting of positive integer...
count-the-number-of-complete-components
count-the-number-of-complete-components__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. There is an undirected graph with n vertices, ...
extract-kth-character-from-the-rope-tree
extract-kth-character-from-the-rope-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 the root of a binary tree and an integer k. Besides the left...
minimum-string-length-after-removing-substrings
minimum-string-length-after-removing-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 only of uppercase English letters.\n\n...
lexicographically-smallest-palindrome
lexicographically-smallest-palindrome__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 you ...
find-the-punishment-number-of-an-integer
find-the-punishment-number-of-an-integer__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\nGiven a positive integer n, return the punishment number of n.\n\nThe puni...
modify-graph-edge-weights
modify-graph-edge-weights__01__java
Graph
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 connected graph containing n nodes la...
minimum-operations-to-make-numbers-non-positive
minimum-operations-to-make-numbers-non-positive__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 0-indexed integer array nums and two integers x and y. In ...
buy-two-chocolates
buy-two-chocolates__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 prices representing the prices of various c...
buy-two-chocolates
buy-two-chocolates__02__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 prices representing the prices of various c...
extra-characters-in-a-string
extra-characters-in-a-string__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 0-indexed string s and a dictionary of words dictionary. Y...
extra-characters-in-a-string
extra-characters-in-a-string__02__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 0-indexed string s and a dictionary of words dictionary. Y...
maximum-strength-of-a-group
maximum-strength-of-a-group__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 0-indexed integer array nums representing the score of stu...
maximum-strength-of-a-group
maximum-strength-of-a-group__02__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 0-indexed integer array nums representing the score of stu...
greatest-common-divisor-traversal
greatest-common-divisor-traversal__01__java
Graph
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 0-indexed integer array nums, and you are allowed to trave...
remove-trailing-zeros-from-a-string
remove-trailing-zeros-from-a-string__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\nGiven a positive integer num represented as a string, return the integer n...