Split (1)

train · 242k rows

Subsets and Splits

No community queries yet

The top public SQL queries from the community will appear here once available.

prompt stringlengths 11 14k	messages listlengths 2 2
On his trip to Luxor and Aswan, Sagheer went to a Nubian market to buy some souvenirs for his friends and relatives. The market has some strange rules. It contains n different items numbered from 1 to n. The i-th item has base cost ai Egyptian pounds. If Sagheer buys k items with indices x1, x2, ..., xk, then the cost ...	[ { "content": "On his trip to Luxor and Aswan, Sagheer went to a Nubian market to buy some souvenirs for his friends and relatives. The market has some strange rules. It contains n different items numbered from 1 to n. The i-th item has base cost ai Egyptian pounds. If Sagheer buys k items with indices x1, x2, ....
Chef is playing an easier variation of the board game ‘Risk’ with his friend Mike. There is an $N * M$ grid, depicting the world map. Each cell of the grid is either $1$ or $0$ where $1$ denotes that there is land on this cell, while $0$ denotes water. In a turn, a player can capture an uncaptured cell that has land,...	[ { "content": "Chef is playing an easier variation of the board game ‘Risk’ with his friend Mike. There is an $N * M$ grid, depicting the world map. Each cell of the grid is either $1$ or $0$ where $1$ denotes that there is land on this cell, while $0$ denotes water. \n\nIn a turn, a player can capture an uncapt...
Given are strings s and t of length N each, both consisting of lowercase English letters. Let us form a new string by alternating the characters of S and the characters of T, as follows: the first character of S, the first character of T, the second character of S, the second character of T, ..., the N-th character of...	[ { "content": "Given are strings s and t of length N each, both consisting of lowercase English letters.\n\nLet us form a new string by alternating the characters of S and the characters of T, as follows: the first character of S, the first character of T, the second character of S, the second character of T, .....
Read problems statements in Mandarin chinese, Russian and Vietnamese as well. Chef is at a Code Expo where many coders are present discussing, solving, sharing, and eavesdropping on solutions :P He recently learnt that a former HackerPlant employee, Reziba, who is now working at KodeKarma stole some questions for th...	[ { "content": "Read problems statements in Mandarin chinese, Russian and Vietnamese as well. \n\nChef is at a Code Expo where many coders are present discussing, solving, sharing, and eavesdropping on solutions :P\n\nHe recently learnt that a former HackerPlant employee, Reziba, who is now working at KodeKarma s...
Implement a Queue using Linked List. A Query Q is of 2 Types (i) 1 x (a query of this type means pushing 'x' into the queue) (ii) 2 (a query of this type means to pop an element from the queue and print the poped element) Example 1: Input: Q = 5 Queries = 1 2 1 3 2 1 4 2 Output: 2 3 Explanation: n the first tes...	[ { "content": "Implement a Queue using Linked List. \nA Query Q is of 2 Types\n(i) 1 x (a query of this type means pushing 'x' into the queue)\n(ii) 2 (a query of this type means to pop an element from the queue and print the poped element)\nExample 1:\nInput:\nQ = 5\nQueries = 1 2 1 3 2 1 4 2\nOutput: 2 ...
You are given an array A, of N elements. Find minimum index based distance between two elements of the array, x and y such that (x!=y). Example 1: Input: N = 4 A[] = {1,2,3,2} x = 1, y = 2 Output: 1 Explanation: x = 1 and y = 2. There are two distances between x and y, which are 1 and 3 out of which the least is 1. Exa...	[ { "content": "You are given an array A, of N elements. Find minimum index based distance between two elements of the array, x and y such that (x!=y).\nExample 1:\nInput:\nN = 4\nA[] = {1,2,3,2}\nx = 1, y = 2\nOutput: 1\nExplanation: x = 1 and y = 2. There are\ntwo distances between x and y, which are\n1 and 3 o...
You are given a multiset of n integers. You should select exactly k of them in a such way that the difference between any two of them is divisible by m, or tell that it is impossible. Numbers can be repeated in the original multiset and in the multiset of selected numbers, but number of occurrences of any number in mu...	[ { "content": "You are given a multiset of n integers. You should select exactly k of them in a such way that the difference between any two of them is divisible by m, or tell that it is impossible.\n\nNumbers can be repeated in the original multiset and in the multiset of selected numbers, but number of occurre...
Given 2 integers $u$ and $v$, find the shortest array such that bitwise-xor of its elements is $u$, and the sum of its elements is $v$. -----Input----- The only line contains 2 integers $u$ and $v$ $(0 \le u,v \le 10^{18})$. -----Output----- If there's no array that satisfies the condition, print "-1". Otherwise:...	[ { "content": "Given 2 integers $u$ and $v$, find the shortest array such that bitwise-xor of its elements is $u$, and the sum of its elements is $v$.\n\n\n-----Input-----\n\nThe only line contains 2 integers $u$ and $v$ $(0 \\le u,v \\le 10^{18})$.\n\n\n-----Output-----\n\nIf there's no array that satisfies the...
Ivan recently bought a detective book. The book is so interesting that each page of this book introduces some sort of a mystery, which will be explained later. The $i$-th page contains some mystery that will be explained on page $a_i$ ($a_i \ge i$). Ivan wants to read the whole book. Each day, he reads the first page ...	[ { "content": "Ivan recently bought a detective book. The book is so interesting that each page of this book introduces some sort of a mystery, which will be explained later. The $i$-th page contains some mystery that will be explained on page $a_i$ ($a_i \\ge i$).\n\nIvan wants to read the whole book. Each day,...
# The President's phone is broken He is not very happy. The only letters still working are uppercase ```E```, ```F```, ```I```, ```R```, ```U```, ```Y```. An angry tweet is sent to the department responsible for presidential phone maintenance. # Kata Task Decipher the tweet by looking for words with known meaning...	[ { "content": "# The President's phone is broken\n\nHe is not very happy.\n\nThe only letters still working are uppercase ```E```, ```F```, ```I```, ```R```, ```U```, ```Y```.\n\nAn angry tweet is sent to the department responsible for presidential phone maintenance.\n\n\n# Kata Task\n\nDecipher the tweet by loo...
Campus Ambassador has organized a Coding Contest in his college. Contest has multiple rounds, in each round a participant may gain or lose few points. At the end, there is only one participant with the maximum points. In the course of the contest, the number of points is written in the line as "name points", where nam...	[ { "content": "Campus Ambassador has organized a Coding Contest in his college. Contest has multiple rounds, in each round a participant may gain or lose few points. At the end, there is only one participant with the maximum points. In the course of the contest, the number of points is written in the line as\n\n...
Manasa was sulking her way through a boring class when suddenly her teacher singled her out and asked her a question. He gave her a number n and Manasa has to come up with the smallest number m which contains atleast n number of zeros at the end of m!. Help Manasa come out of the sticky situation. Input Format The ...	[ { "content": "Manasa was sulking her way through a boring class when suddenly her teacher singled her out and asked her a question. He gave her a number n and Manasa has to come up with the smallest number m which contains atleast n number of zeros at the end of m!. Help Manasa come out of the sticky situation....
In a row of trees, the i-th tree produces fruit with type tree[i]. You start at any tree of your choice, then repeatedly perform the following steps: Add one piece of fruit from this tree to your baskets. If you cannot, stop. Move to the next tree to the right of the current tree. If there is no tree to the right, s...	[ { "content": "In a row of trees, the i-th tree produces fruit with type tree[i].\nYou start at any tree of your choice, then repeatedly perform the following steps:\n\nAdd one piece of fruit from this tree to your baskets. If you cannot, stop.\nMove to the next tree to the right of the current tree. If there ...
Sonya decided that having her own hotel business is the best way of earning money because she can profit and rest wherever she wants. The country where Sonya lives is an endless line. There is a city in each integer coordinate on this line. She has $n$ hotels, where the $i$-th hotel is located in the city with coordin...	[ { "content": "Sonya decided that having her own hotel business is the best way of earning money because she can profit and rest wherever she wants.\n\nThe country where Sonya lives is an endless line. There is a city in each integer coordinate on this line. She has $n$ hotels, where the $i$-th hotel is located ...
Recently a serious bug has been found in the FOS code. The head of the F company wants to find the culprit and punish him. For that, he set up an organizational meeting, the issue is: who's bugged the code? Each of the n coders on the meeting said: 'I know for sure that either x or y did it!' The head of the company d...	[ { "content": "Recently a serious bug has been found in the FOS code. The head of the F company wants to find the culprit and punish him. For that, he set up an organizational meeting, the issue is: who's bugged the code? Each of the n coders on the meeting said: 'I know for sure that either x or y did it!'\n\nT...
There is a square field of size n × n in which two cells are marked. These cells can be in the same row or column. You are to mark two more cells so that they are the corners of a rectangle with sides parallel to the coordinate axes. For example, if n=4 and a rectangular field looks like this (there are asterisks in ...	[ { "content": "There is a square field of size n × n in which two cells are marked. These cells can be in the same row or column.\n\nYou are to mark two more cells so that they are the corners of a rectangle with sides parallel to the coordinate axes.\n\nFor example, if n=4 and a rectangular field looks like thi...
Given an array of numbers, return the difference between the largest and smallest values. For example: `[23, 3, 19, 21, 16]` should return `20` (i.e., `23 - 3`). `[1, 434, 555, 34, 112]` should return `554` (i.e., `555 - 1`). The array will contain a minimum of two elements. Input data range guarantees that `max-m...	[ { "content": "Given an array of numbers, return the difference between the largest and smallest values. \n\nFor example:\n\n`[23, 3, 19, 21, 16]` should return `20` (i.e., `23 - 3`).\n\n`[1, 434, 555, 34, 112]` should return `554` (i.e., `555 - 1`).\n\nThe array will contain a minimum of two elements. Input dat...
At Aizu Shingakujuku, students are divided into classes by conducting a proficiency test when they enter the cram school. The test consists of three subjects: Mathematics, English, and Japanese, and students are divided into A, B, and C classes. The level of class A is the highest and then decreases in order. The clas...	[ { "content": "At Aizu Shingakujuku, students are divided into classes by conducting a proficiency test when they enter the cram school. The test consists of three subjects: Mathematics, English, and Japanese, and students are divided into A, B, and C classes. The level of class A is the highest and then decreas...
Income Inequality We often compute the average as the first step in processing statistical data. Yes, the average is a good tendency measure of data, but it is not always the best. In some cases, the average may hinder the understanding of the data. For example, consider the national income of a country. As the term ...	[ { "content": "Income Inequality\n\nWe often compute the average as the first step in processing statistical data. Yes, the average is a good tendency measure of data, but it is not always the best. In some cases, the average may hinder the understanding of the data.\n\nFor example, consider the national income ...
The radioactive isotope content of a rock can be used to identify which property of the rock? A. the total mass of the rock B. the rate at which the rock formed C. the types of fossils that the rock contains D. the amount of time passed since the rock formed	[ { "content": "The radioactive isotope content of a rock can be used to identify which property of the rock?\nA. the total mass of the rock\nB. the rate at which the rock formed\nC. the types of fossils that the rock contains\nD. the amount of time passed since the rock formed", "role": "user" }, { "...
Snuke has a fair N-sided die that shows the integers from 1 to N with equal probability and a fair coin. He will play the following game with them: - Throw the die. The current score is the result of the die. - As long as the score is between 1 and K-1 (inclusive), keep flipping the coin. The score is doubled each ti...	[ { "content": "Snuke has a fair N-sided die that shows the integers from 1 to N with equal probability and a fair coin. He will play the following game with them:\n - Throw the die. The current score is the result of the die.\n - As long as the score is between 1 and K-1 (inclusive), keep flipping the coin. The ...
Kulyash stays in room that has a single bulb and N buttons. The bulb is initially on. The initial states of the buttons are stored in a binary string S of length N — if S_{i} is 0, the i-th button is off, and if S_{i} is 1, the i-th button is on. If Kulyash toggles any single button then the state of the bulb reverses...	[ { "content": "Kulyash stays in room that has a single bulb and N buttons. The bulb is initially on.\n\nThe initial states of the buttons are stored in a binary string S of length N — if S_{i} is 0, the i-th button is off, and if S_{i} is 1, the i-th button is on. If Kulyash toggles any single button then the st...
Given two numbers A and B count all the number between the given range whose second least significant digit in the binary representation of the number is 1. Example 1: Input: A = 1 B = 4 Output: 2 Explanation: In the given range 2 (10) and 3 (11) are the numbers whose second least significant digit in its binary rep...	[ { "content": "Given two numbers A and B count all the number between the given range whose second least significant digit in the binary representation of the number is 1.\n \nExample 1:\nInput:\nA = 1\nB = 4\nOutput:\n2\nExplanation:\nIn the given range 2 (10)\nand 3 (11) are the numbers\nwhose second least \ns...
We say that a odd number N is similar to 2017 when both N and (N+1)/2 are prime. You are given Q queries. In the i-th query, given two odd numbers l_i and r_i, find the number of odd numbers x similar to 2017 such that l_i ≤ x ≤ r_i. Constraints * 1≤Q≤10^5 * 1≤l_i≤r_i≤10^5 * l_i and r_i are odd. * All input values ...	[ { "content": "We say that a odd number N is similar to 2017 when both N and (N+1)/2 are prime.\n\nYou are given Q queries.\n\nIn the i-th query, given two odd numbers l_i and r_i, find the number of odd numbers x similar to 2017 such that l_i ≤ x ≤ r_i.\n\nConstraints\n\n* 1≤Q≤10^5\n* 1≤l_i≤r_i≤10^5\n* l_i and ...
When Masha came to math classes today, she saw two integer sequences of length n - 1 on the blackboard. Let's denote the elements of the first sequence as a_i (0 ≤ a_i ≤ 3), and the elements of the second sequence as b_i (0 ≤ b_i ≤ 3). Masha became interested if or not there is an integer sequence of length n, which e...	[ { "content": "When Masha came to math classes today, she saw two integer sequences of length n - 1 on the blackboard. Let's denote the elements of the first sequence as a_i (0 ≤ a_i ≤ 3), and the elements of the second sequence as b_i (0 ≤ b_i ≤ 3).\n\nMasha became interested if or not there is an integer seque...
When Valera has got some free time, he goes to the library to read some books. Today he's got t free minutes to read. That's why Valera took n books in the library and for each book he estimated the time he is going to need to read it. Let's number the books by integers from 1 to n. Valera needs ai minutes to read the ...	[ { "content": "When Valera has got some free time, he goes to the library to read some books. Today he's got t free minutes to read. That's why Valera took n books in the library and for each book he estimated the time he is going to need to read it. Let's number the books by integers from 1 to n. Valera needs a...
problem You are a traveler traveling on the JOI Highway. The JOI Highway is a road that extends straight from east to west, and there are n post towns on the JOI Highway. Numbered. The westernmost post town on the JOI highway is post town 1, and the easternmost post town is post town n. You have decided to depart fro...	[ { "content": "problem\n\nYou are a traveler traveling on the JOI Highway. The JOI Highway is a road that extends straight from east to west, and there are n post towns on the JOI Highway. Numbered. The westernmost post town on the JOI highway is post town 1, and the easternmost post town is post town n.\n\nYou ...
Write a function, which takes a non-negative integer (seconds) as input and returns the time in a human-readable format (`HH:MM:SS`) * `HH` = hours, padded to 2 digits, range: 00 - 99 * `MM` = minutes, padded to 2 digits, range: 00 - 59 * `SS` = seconds, padded to 2 digits, range: 00 - 59 The maximum time never excee...	[ { "content": "Write a function, which takes a non-negative integer (seconds) as input and returns the time in a human-readable format (`HH:MM:SS`)\n\n* `HH` = hours, padded to 2 digits, range: 00 - 99\n* `MM` = minutes, padded to 2 digits, range: 00 - 59\n* `SS` = seconds, padded to 2 digits, range: 00 - 59\n\n...
The Jones Trucking Company tracks the location of each of its trucks on a grid similar to an (x, y) plane. The home office is at the location (0, 0). Read the coordinates of truck A and the coordinates of truck B and determine which is closer to the office. -----Input:----- The first line of the data set for this prob...	[ { "content": "The Jones Trucking Company tracks the location of each of its trucks on a grid similar to an (x, y) plane. The home office is at the location (0, 0). Read the coordinates of truck A and the coordinates of truck B and determine which is closer to the office.\n\n-----Input:-----\nThe first line of t...
On her way to programming school tiger Dasha faced her first test — a huge staircase! <image> The steps were numbered from one to infinity. As we know, tigers are very fond of all striped things, it is possible that it has something to do with their color. So on some interval of her way she calculated two values — th...	[ { "content": "On her way to programming school tiger Dasha faced her first test — a huge staircase!\n\n<image>\n\nThe steps were numbered from one to infinity. As we know, tigers are very fond of all striped things, it is possible that it has something to do with their color. So on some interval of her way she ...
Given an array arr of N integers that might contain duplicates, find the element whose last appearance is earliest. Example 1: Input : arr[] = {10, 30, 20, 10, 20} Output : 30 Explanation: Below are indexes of last appearances of all elements (0 based indexes). 10 last occurs at index 3 30 last occurs at index 1. 20 ...	[ { "content": "Given an array arr of N integers that might contain duplicates, find the element whose last appearance is earliest.\n \nExample 1:\nInput : arr[] = {10, 30, 20, 10, 20}\nOutput : 30\nExplanation:\nBelow are indexes of last\nappearances of all elements (0 based\nindexes). 10 last occurs at index 3\...
You are given an integer array nums and you have to return a new counts array. The counts array has the property where counts[i] is the number of smaller elements to the right of nums[i]. Example: Input: [5,2,6,1] Output: [2,1,1,0] Explanation: To the right of 5 there are 2 smaller elements (2 and 1). To the right ...	[ { "content": "You are given an integer array nums and you have to return a new counts array. The counts array has the property where counts[i] is the number of smaller elements to the right of nums[i].\n\nExample:\n\n\nInput: [5,2,6,1]\nOutput: [2,1,1,0] \nExplanation:\nTo the right of 5 there are 2 smaller ele...
Doubly linked list is one of the fundamental data structures. A doubly linked list is a sequence of elements, each containing information about the previous and the next elements of the list. In this problem all lists have linear structure. I.e. each element except the first has exactly one previous element, each eleme...	[ { "content": "Doubly linked list is one of the fundamental data structures. A doubly linked list is a sequence of elements, each containing information about the previous and the next elements of the list. In this problem all lists have linear structure. I.e. each element except the first has exactly one previo...
Monocarp wrote down two numbers on a whiteboard. Both numbers follow a specific format: a positive integer $x$ with $p$ zeros appended to its end. Now Monocarp asks you to compare these two numbers. Can you help him? -----Input----- The first line contains a single integer $t$ ($1 \le t \le 10^4$) — the number of t...	[ { "content": "Monocarp wrote down two numbers on a whiteboard. Both numbers follow a specific format: a positive integer $x$ with $p$ zeros appended to its end.\n\nNow Monocarp asks you to compare these two numbers. Can you help him?\n\n\n-----Input-----\n\nThe first line contains a single integer $t$ ($1 \\le ...
Chris always struggle in converting angles from degree to radian or vice-verse. You being his best friend whom he trusts so much, decided to help him out. Sam has T angles you need to convert them in radian and represent them in fraction(i.e P/Q) and simplest form. [Note]: be careful with sign convention here π=$. Inpu...	[ { "content": "Chris always struggle in converting angles from degree to radian or vice-verse. You being his best friend whom he trusts so much, decided to help him out. Sam has T angles you need to convert them in radian and represent them in fraction(i.e P/Q) and simplest form.\n[Note]: be careful with sign co...
Points:15 The Environmental Protection Agency is a billion dollar organisation that works to protect the environment from hazardous changes worldwide. It is funded by the national governments, charitable organisations, business donations as well as its own earnings. To evaluate the ground realities of the theory of glo...	[ { "content": "Points:15\nThe Environmental Protection Agency is a billion dollar organisation that works to protect the environment from hazardous changes worldwide. It is funded by the national governments, charitable organisations, business donations as well as its own earnings. To evaluate the ground realiti...
We have a bingo card with a 3\times3 grid. The square at the i-th row from the top and the j-th column from the left contains the number A_{i, j}. The MC will choose N numbers, b_1, b_2, \cdots, b_N. If our bingo sheet contains some of those numbers, we will mark them on our sheet. Determine whether we will have a bi...	[ { "content": "We have a bingo card with a 3\\times3 grid. The square at the i-th row from the top and the j-th column from the left contains the number A_{i, j}.\n\nThe MC will choose N numbers, b_1, b_2, \\cdots, b_N. If our bingo sheet contains some of those numbers, we will mark them on our sheet.\n\nDetermi...
You are a lover of bacteria. You want to raise some bacteria in a box. Initially, the box is empty. Each morning, you can put any number of bacteria into the box. And each night, every bacterium in the box will split into two bacteria. You hope to see exactly x bacteria in the box at some moment. What is the minimu...	[ { "content": "You are a lover of bacteria. You want to raise some bacteria in a box. \n\nInitially, the box is empty. Each morning, you can put any number of bacteria into the box. And each night, every bacterium in the box will split into two bacteria. You hope to see exactly x bacteria in the box at some mome...
Given any integer x, Aoki can do the operation below. Operation: Replace x with the absolute difference of x and K. You are given the initial value of an integer N. Find the minimum possible value taken by N after Aoki does the operation zero or more times. Constraints * 0 ≤ N ≤ 10^{18} * 1 ≤ K ≤ 10^{18} * All valu...	[ { "content": "Given any integer x, Aoki can do the operation below.\n\nOperation: Replace x with the absolute difference of x and K.\n\nYou are given the initial value of an integer N. Find the minimum possible value taken by N after Aoki does the operation zero or more times.\n\nConstraints\n\n* 0 ≤ N ≤ 10^{18...
In a small but very proud high school it was decided to win ACM ICPC. This goal requires to compose as many teams of three as possible, but since there were only 6 students who wished to participate, the decision was to build exactly two teams. After practice competition, participant number i got a score of ai. Team s...	[ { "content": "In a small but very proud high school it was decided to win ACM ICPC. This goal requires to compose as many teams of three as possible, but since there were only 6 students who wished to participate, the decision was to build exactly two teams.\n\nAfter practice competition, participant number i g...