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values | instruction stringlengths 66 14k | response stringlengths 13 8.89k | id stringlengths 68 68 | parent_id stringlengths 64 64 |
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Coding | codecontest | Write Python code to solve the task.
You are given three integers k, pa and pb.
You will construct a sequence with the following algorithm: Initially, start with the empty sequence. Each second, you do the following. With probability pa / (pa + pb), add 'a' to the end of the sequence. Otherwise (with probability pb / ... | Step 1: The problem asks us to use a given algorithm to construct a sequence until there are at least k subsequences that form 'ab' and then calculate the expected number of times 'ab' appears in the sequence.
Step 2: We need to determine the probability of getting 'ab' as a subsequence.
Step 3: We can use dynamic p... | c7f61f90180e8f0bf1e8118aa758bd041b03eb4ffaeece014405b8f0e1f0b462_1_1 | 786ea014d2739fb5b4d5c30b9c520598d3b3528fe2bcfb3d68603456355ac5a8 |
Coding | codecontest | Write Python code to solve the task.
Jiva is a self driven car and is out on its very first drive. It aims to earn some revenue by serving as taxi driver.
It starts its journey from a point and travels in a line for 100 Km. It picks and drops passenger on the way,but can accommodate a maximum of M passengers at once.
... | Step 1: The problem requires us to calculate the total revenue earned by Jiva during its journey.
Step 2: We need to apply fare and discounts at different times based on the number of passengers present.
Step 3: To solve the problem, we need to iterate through the kilometers of the journey.
Step 4: At each kilomet... | 262e322aed51eecb6931058b79684888631478efb7d66beee8f151223164056c_1_1 | e3086efb2428738c243396e84da0ad0dd8ca4c6fd77ed5b239b4ffff8d59bce1 |
Coding | codecontest | Write Python code to solve the task.
Jiva is a self driven car and is out on its very first drive. It aims to earn some revenue by serving as taxi driver.
It starts its journey from a point and travels in a line for 100 Km. It picks and drops passenger on the way,but can accommodate a maximum of M passengers at once.
... | Step 1: The given problem is to implement a revenue calculation mechanism for a taxi journey in terms of the number of passenger pick-ups and drop-offs.
Step 2: We need to keep track of the discount calculations for each part of the journey, evaluate the revenue, and report if the taxi was full at any point.
Step 3: ... | dc9e2286a05d80b8582e99e940c7e874ad93485fcf2b9006e3b954b1ade83057_1_1 | e3086efb2428738c243396e84da0ad0dd8ca4c6fd77ed5b239b4ffff8d59bce1 |
Coding | codecontest | Write Python code to solve the task.
You are given two integers x and y (it is guaranteed that x > y). You may choose any prime integer p and subtract it any number of times from x. Is it possible to make x equal to y?
Recall that a prime number is a positive integer that has exactly two positive divisors: 1 and this ... | Step 1: The problem requires us to determine if it is possible to choose a prime number p and subtract it any number of times from x to make it equal to y.
Step 2: Given that x > y, we can simply subtract y from x to get the difference m.
Step 3: If the difference m is not equal to 1, we always choose the prime numb... | fc20d15237e83699d59dafad1154fbb1cd12ff66e6a61a1c67fb454d1aed29ce_1_1 | ef2a4ec9fc0999bf1fcaba1d66d0146d945aa2591f7e1d5eccb69301b3f80da8 |
Coding | codecontest | Write Python code to solve the task.
You are given two integers x and y (it is guaranteed that x > y). You may choose any prime integer p and subtract it any number of times from x. Is it possible to make x equal to y?
Recall that a prime number is a positive integer that has exactly two positive divisors: 1 and this ... | Step 1: To solve this problem, we need to iterate through each test case and check if it is possible to choose a prime number p and subtract it any number of times from x so that x becomes equal to y.
Step 2: We can determine if it is possible by calculating the absolute difference between x and y. If the difference ... | 04a8a2d7c4ac777d51cd5a0bad3395f727376e46ae31f322a56ab0f2bd5ba778_1_1 | ef2a4ec9fc0999bf1fcaba1d66d0146d945aa2591f7e1d5eccb69301b3f80da8 |
Coding | codecontest | Write Python code to solve the task.
Qwerty the Ranger took up a government job and arrived on planet Mars. He should stay in the secret lab and conduct some experiments on bacteria that have funny and abnormal properties. The job isn't difficult, but the salary is high.
At the beginning of the first experiment there ... | Step 1: The problem involves simulating the growth of bacteria in a test tube based on certain parameters.
Step 2: We can start by understanding the growth rule for the bacteria and how it affects the number of bacteria over time.
Step 3: The first part of the provided code seems to handle a special case when k is e... | e1c2b3ca05de12a0f2ce6a60ecbb7fa83b322732d312d16e0c338c66070314d5_1_1 | 64b018f26448abcc7bfd480c13dc7f9209a72cf663852c42b69ee211fa95e92c |
Coding | codecontest | Write Python code to solve the task.
Qwerty the Ranger took up a government job and arrived on planet Mars. He should stay in the secret lab and conduct some experiments on bacteria that have funny and abnormal properties. The job isn't difficult, but the salary is high.
At the beginning of the first experiment there ... | Step 1: The given problem involves the growth of bacteria in a test tube over time, with the presence of abnormalities affecting the number of bacteria.
Step 2: We need to understand the rules governing the growth of bacteria based on given parameters k and b, as well as the time n needed to grow z bacteria in the fi... | 4208e1f99a5f3cbabc07d416714c491bd25e6c254efa4c0e1f996feccfc7dc9e_1_1 | 64b018f26448abcc7bfd480c13dc7f9209a72cf663852c42b69ee211fa95e92c |
Coding | codecontest | Write Python code to solve the task.
Two pirates Polycarpus and Vasily play a very interesting game. They have n chests with coins, the chests are numbered with integers from 1 to n. Chest number i has ai coins.
Polycarpus and Vasily move in turns. Polycarpus moves first. During a move a player is allowed to choose a... | Step 1:
The problem can be approached by making the player move in turns and taking coins from chests based on certain conditions. We can define a function to determine the minimum number of moves needed to finish the game, taking into account the number of coins in each chest and the conditions of the game.
Step 2: ... | 1a34fc74a2fa27ea960c9a7eada961f1c66c0bf5884d663981e4b5fa4a1dc5f8_1_1 | 2a2e16fe4b8ea1edc6e527c06c43c54ed2f094282092502750b12e02025bf8ae |
Coding | codecontest | Write Python code to solve the task.
Two pirates Polycarpus and Vasily play a very interesting game. They have n chests with coins, the chests are numbered with integers from 1 to n. Chest number i has ai coins.
Polycarpus and Vasily move in turns. Polycarpus moves first. During a move a player is allowed to choose a... | Step 1: To solve this problem, we need to determine the minimum number of moves required for the game to finish.
Step 2: We can approach this problem using a recursive function to simulate the moves made by the players.
Step 3: The input consists of the number of chests with coins and the initial number of coins in... | f1a0db0210f18c2dd1af5848c684ee26ef9629ebb2726af1e7877701b1cbb1da_1_1 | 2a2e16fe4b8ea1edc6e527c06c43c54ed2f094282092502750b12e02025bf8ae |
Coding | codecontest | Write Python code to solve the task.
Let us call a pair of integer numbers m-perfect, if at least one number in the pair is greater than or equal to m. Thus, the pairs (3, 3) and (0, 2) are 2-perfect while the pair (-1, 1) is not.
Two integers x, y are written on the blackboard. It is allowed to erase one of them and ... | Step 1: To solve this problem, we need to determine the minimum number of operations to make the given pair of integers m-perfect.
Step 2: We can use conditional statements to check if the initial pair of integers is already m-perfect, negative, or neither.
Step 3: Then, we can use a while loop to perform the replac... | 22b338d7b9af3e12c451e257c78dd17f04cbc32ab4b48954516e34c231c69805_1_1 | 3106fcae1a25f9c5274eec2d4f1efa2d3ee0ddd67ac5e6400953854d6163d93f |
Coding | codecontest | Write Python code to solve the task.
Let us call a pair of integer numbers m-perfect, if at least one number in the pair is greater than or equal to m. Thus, the pairs (3, 3) and (0, 2) are 2-perfect while the pair (-1, 1) is not.
Two integers x, y are written on the blackboard. It is allowed to erase one of them and ... | Step 1: To solve this problem, we need to consider the conditions for when the pair of integers is m-perfect and when it is not.
Step 2: We also need to consider the minimum number of operations required to transform the given pair to the m-perfect state.
Step 3: We can start by checking the initial state of the pai... | 71460125ba0cc66eef324e31d44517b2e1ddeed22ac287face11eab6912b1677_1_1 | 3106fcae1a25f9c5274eec2d4f1efa2d3ee0ddd67ac5e6400953854d6163d93f |
Coding | codecontest | Write Python code to solve the task.
We'll call a set of positive integers a beautiful if the following condition fulfills: for any prime p, if <image>, then <image>. In other words, if one number from the set is divisible by prime p, then at least half of numbers from the set is divisible by p.
Your task is to find a... | Step 1: We need to find a beautiful set of positive integers based on the given condition.
Step 2: The size of the set is determined by the input integer k.
Step 3: We can start by initializing a set with 1, and then apply the conditions for each prime number to add integers that satisfy the beautiful set condition.... | 1aa933100baff2b69b8a94eb502637e5564b875b1c1f0ce04a172a307b0a9ec4_1_1 | 68b130208d05905cadf87a1f23c54c58614d5c2b2fccee61e5d62b5c09171c16 |
Coding | codecontest | Write Python code to solve the task.
We'll call a set of positive integers a beautiful if the following condition fulfills: for any prime p, if <image>, then <image>. In other words, if one number from the set is divisible by prime p, then at least half of numbers from the set is divisible by p.
Your task is to find a... | Step 1: To solve this problem, we need to find a set of positive integers that fulfills the condition of being a beautiful set.
Step 2: The condition states that for any prime number p, if one number from the set is divisible by p, then at least half of the numbers from the set should be divisible by p.
Step 3: We c... | df4cd550ccbee108953090eebe5f391f46b97e795fa96b7051a109a5b8acb8c6_1_1 | 68b130208d05905cadf87a1f23c54c58614d5c2b2fccee61e5d62b5c09171c16 |
Coding | codecontest | Write Python code to solve the task.
Vasya has n days of vacations! So he decided to improve his IT skills and do sport. Vasya knows the following information about each of this n days: whether that gym opened and whether a contest was carried out in the Internet on that day. For the i-th day there are four options:
... | Step 1: To solve this problem, we need to iterate through the sequence of integers representing each day and keep track of Vasya's activities to find the minimum possible number of days on which he will have a rest.
Step 2: We can start by initializing a variable to store the number of days on which Vasya will have a... | 56aba8c8b8e5a3a4f708c561880514aeb1c538e917137027cd1b31db7acc29f1_1_1 | bdee4d8c1b88bbb1379b7ebf90fd8e8c4107b9f55b6309850337d1bb3233edb7 |
Coding | codecontest | Write Python code to solve the task.
Vasya has n days of vacations! So he decided to improve his IT skills and do sport. Vasya knows the following information about each of this n days: whether that gym opened and whether a contest was carried out in the Internet on that day. For the i-th day there are four options:
... | Step 1: To solve this problem, we need to iterate through each day of Vasya's vacation and determine if he will have a rest.
Step 2: We need to consider the restrictions that Vasya has in terms of consecutive days of the same activity.
Step 3: We'll use a counter to keep track of the number of rest days and update i... | db9e449a181e710f38d2e81b8d417d713941b71966885085646f976775330bde_1_1 | bdee4d8c1b88bbb1379b7ebf90fd8e8c4107b9f55b6309850337d1bb3233edb7 |
Coding | codecontest | Write Python code to solve the task.
Vasya plays The Elder Trolls III: Morrowindows. He has a huge list of items in the inventory, however, there is no limits on the size of things. Vasya does not know the total amount of items but he is sure that are not more than x and not less than 2 items in his inventory. A new pa... | Step 1: This problem requires us to determine the fewest number of modes needed to uniquely determine the number of items in Vasya's inventory.
Step 2: We start by checking if there are particular conditions that allow a quick decision to be made or if it is impossible to determine the number of items.
Step 3: We a... | b57e641097a4e9a27222d0081c9f30a2be312cfde9c90de363f5abb40d35cc33_1_1 | 6568ac6c15343b0ea542f80a0d0ae511884c21926e093dfa362395f6d858f40f |
Coding | codecontest | Write Python code to solve the task.
Vasya plays The Elder Trolls III: Morrowindows. He has a huge list of items in the inventory, however, there is no limits on the size of things. Vasya does not know the total amount of items but he is sure that are not more than x and not less than 2 items in his inventory. A new pa... | Step 1: This problem involves determining the minimum number of modes required for Vasya to uniquely determine the number of items in his inventory.
Step 2: We need to consider the inputs provided and how Vasya can utilize the inventory view modes to find the required number of items.
Step 3: Based on the given info... | 5f6935bc6cb99241cd8782a6e0b1dd5abc35476b83a0abcae900ca58f5c8170d_1_1 | 6568ac6c15343b0ea542f80a0d0ae511884c21926e093dfa362395f6d858f40f |
Coding | codecontest | Write Python code to solve the task.
A positive integer is called composite if it can be represented as a product of two positive integers, both greater than 1. For example, the following numbers are composite: 6, 4, 120, 27. The following numbers aren't: 1, 2, 3, 17, 97.
Alice is given a sequence of n composite numbe... | Step 1: To solve this problem, we need to identify a way to color the composite numbers such that the greatest common divisor (GCD) of any two elements with the same color is greater than 1.
Step 2: We can iterate through the sequence of composite numbers and assign colors based on the factors of each number.
Step 3:... | 3a1f6bb778f2043e9409c3e076573fa00c0611d5925db11ea385381e6c90869e_1_1 | 4f345c771b28f0ba43520702189e7db363cf9ff0c50b67def9b9dba45d35a5b3 |
Coding | codecontest | Write Python code to solve the task.
A positive integer is called composite if it can be represented as a product of two positive integers, both greater than 1. For example, the following numbers are composite: 6, 4, 120, 27. The following numbers aren't: 1, 2, 3, 17, 97.
Alice is given a sequence of n composite numbe... | Step 1: The problem asks us to color a sequence of composite numbers with a maximum of 11 colors so that no elements with the same color are coprime.
Step 2: To solve this problem, we need to implement a function to check if a number is prime, then use this function to find the prime factors of each number in the seq... | 7ee78432a5990ac28967b61d20f9e64066afdcf8c8c442a9e8e94d422f02d68f_1_1 | 4f345c771b28f0ba43520702189e7db363cf9ff0c50b67def9b9dba45d35a5b3 |
Coding | codecontest | Write Python code to solve the task.
Polycarp is in really serious trouble — his house is on fire! It's time to save the most valuable items. Polycarp estimated that it would take ti seconds to save i-th item. In addition, for each item, he estimated the value of di — the moment after which the item i will be completel... | Step 1: The problem requires us to save the maximum possible total value of items in Polycarp's house
Step 2: We need to consider the time required to save each item, the time after which the item will burn, and the value of each item.
Step 3: To maximize the total value of saved items, we need to find a set of item... | 1bc005cf96fc0d1cdd9cdac3c0bb47d13c95a6690ae9b7863a1ad0d514949ec5_1_1 | cdffae75d1e6585536ad085e64518fd20a33c06aa046db3ee5f7913ee107fd98 |
Coding | codecontest | Write Python code to solve the task.
Polycarp is in really serious trouble — his house is on fire! It's time to save the most valuable items. Polycarp estimated that it would take ti seconds to save i-th item. In addition, for each item, he estimated the value of di — the moment after which the item i will be completel... | Step 1: The problem is asking us to find the maximum possible total value of the set of saved items. We must save the items one after another, and Polycarp saves the items based on the time needed to save the item, ti. We need to consider the deadline after which the item will burn completely and the value of each ite... | 12fb33bc0b68b665389fd2f4c2989664ea33b5366efa3ccdc660860b353b6f4b_1_1 | cdffae75d1e6585536ad085e64518fd20a33c06aa046db3ee5f7913ee107fd98 |
Coding | codecontest | Write Python code to solve the task.
A dice is a cube, its faces contain distinct integers from 1 to 6 as black points. The sum of numbers at the opposite dice faces always equals 7. Please note that there are only two dice (these dices are mirror of each other) that satisfy the given constraints (both of them are show... | Step 1: To solve this problem, we need to determine whether it is possible to uniquely identify the numbers on the faces of all the dice in the tower based on the information given by Bob.
Step 2: We can start by parsing the input to get the number of dice in the tower, the number Bob sees at the top of the tower, an... | dec4c14e97d7a42f1d7836fa5055c7c6e7f8dc433acd912fadd713818caf3bd5_1_1 | 1a1e4b65ee26fc4ce3e634863ac0df1b2d664d4836b47dfa769eb67879cb5d34 |
Coding | codecontest | Write Python code to solve the task.
A dice is a cube, its faces contain distinct integers from 1 to 6 as black points. The sum of numbers at the opposite dice faces always equals 7. Please note that there are only two dice (these dices are mirror of each other) that satisfy the given constraints (both of them are show... | Step 1: To solve this problem, we need to check whether it is possible to uniquely identify the numbers on the faces of all the dice in the tower based on Bob's observations.
Step 2: We will start by iterating through the dice in the tower and using set operations to calculate the possible numbers on the remaining fa... | 4f4ee8f1bfcbdeff999e24bb482d0341cf26ff0eb2ba0042176d3396c55ec5e4_1_1 | 1a1e4b65ee26fc4ce3e634863ac0df1b2d664d4836b47dfa769eb67879cb5d34 |
Coding | codecontest | Write Python code to solve the task.
Dima and Anya love playing different games. Now Dima has imagined a new game that he wants to play with Anya.
Dima writes n pairs of integers on a piece of paper (li, ri) (1 ≤ li < ri ≤ p). Then players take turns. On his turn the player can do the following actions:
1. choose t... | Step 1: The problem requires determining the number of ways Dima can write n pairs of integers to make sure that Anya wins the game, given the constraints.
Step 2: Dima has to write out the pairs of integers such that Anya wins, and the number of ways to do it needs to be calculated and printed after dividing by 1000... | 951233fd2bf65461760c46deda8166b4912c63b5a219ca876f7f4cd1ecbdb3ad_1_1 | f679fce7fdd2e53339f8acc70c935cc7413de1d2d02a234bfd7fbbbc96baf325 |
Coding | codecontest | Write Python code to solve the task.
Dima and Anya love playing different games. Now Dima has imagined a new game that he wants to play with Anya.
Dima writes n pairs of integers on a piece of paper (li, ri) (1 ≤ li < ri ≤ p). Then players take turns. On his turn the player can do the following actions:
1. choose t... | Step 1: The problem describes a game that involves choosing pairs of numbers and replacing them according to certain conditions.
Step 2: To solve this problem, we need to calculate the number of ways Dima can write out n pairs of integers (li, ri) such that the first player wins using optimal strategies.
Step 3: The... | 402a1266c6f3b880e65cb75b4976e4a150cf35ad4158d216f318f073163dc367_1_1 | f679fce7fdd2e53339f8acc70c935cc7413de1d2d02a234bfd7fbbbc96baf325 |
Coding | codecontest | Write Python code to solve the task.
There is a new TV game on BerTV. In this game two players get a number A consisting of 2n digits. Before each turn players determine who will make the next move. Each player should make exactly n moves. On it's turn i-th player takes the leftmost digit of A and appends it to his or ... | Step 1: The problem requires finding the sequence of moves of Homer and Marge that gives them the maximum possible total prize. This involves making decisions about which player takes the leftmost digit of the number A and appends it to their number. The goal is to maximize the total prize by making strategic moves.
... | d7c0caf64731fa7028491846065994af707215952db37b3cda752d4dd18ad9e8_1_1 | 62203e140af4e500d8ca4b1ee9858fcbb081f8ab68f0fb7fa369c89189a12f6a |
Coding | codecontest | Write Python code to solve the task.
There is a new TV game on BerTV. In this game two players get a number A consisting of 2n digits. Before each turn players determine who will make the next move. Each player should make exactly n moves. On it's turn i-th player takes the leftmost digit of A and appends it to his or ... | Step 1: To solve this problem, we need to maximize the total prize for both players by determining the sequence of moves that results in the highest total prize.
Step 2: We can use dynamic programming to solve this problem. We'll create a 2D array to store the maximum total prize for each state of the game, and then ... | 51fc030c093d222065e331d8a0fb592278404beb64cb7e0c767afe65c722f25e_1_1 | 62203e140af4e500d8ca4b1ee9858fcbb081f8ab68f0fb7fa369c89189a12f6a |
Coding | codecontest | Write Python code to solve the task.
Inna loves sweets very much. She has n closed present boxes lines up in a row in front of her. Each of these boxes contains either a candy (Dima's work) or nothing (Sereja's work). Let's assume that the boxes are numbered from 1 to n, from left to right.
As the boxes are closed, In... | Step 1:
To solve this problem, we need to simulate the process of Inna asking Dima questions about the candy in the boxes. We also need to calculate the minimum number of operations needed to make the answer to each question positive. This involves checking the candies in certain positions and adding or removing candi... | d689b9e14fc839b2b9259390aa55fc2bdeb8db796aa6b4c96836152772cf1084_1_1 | 72257170058c24299cb7701222674f4217c140945f2ddc642c1de793c6e4ff29 |
Coding | codecontest | Write Python code to solve the task.
Inna loves sweets very much. She has n closed present boxes lines up in a row in front of her. Each of these boxes contains either a candy (Dima's work) or nothing (Sereja's work). Let's assume that the boxes are numbered from 1 to n, from left to right.
As the boxes are closed, In... | Step 1: The problem requires us to calculate the minimum number of operations required to make the answer to each question positive. We can start by reading the input values and processing the data to determine the minimum number of actions required.
Step 2: We will calculate the number of candies in two distinct int... | 7119feb7994adcd24d64e5d259f89d86b7aa988bd9717dbfb59f41123a16505c_1_1 | 72257170058c24299cb7701222674f4217c140945f2ddc642c1de793c6e4ff29 |
Coding | codecontest | Write Python code to solve the task.
Notice that the memory limit is non-standard.
Recently Arthur and Sasha have studied correct bracket sequences. Arthur understood this topic perfectly and become so amazed about correct bracket sequences, so he even got himself a favorite correct bracket sequence of length 2n. Unli... | Step 1: The problem requires us to restore a favorite correct bracket sequence given the approximate distances from the opening brackets to the corresponding closing ones.
Step 2: We can use a stack-based approach to restore the correct bracket sequence using the given distances.
Step 3: We need to track the positio... | e2fed532fa172d6938e00642b3732bf0b6dc86952219e767b6bc33191a8080e8_1_1 | 46bcba31388bf9e3f93f87e008b4914ca9a45fb8664e7fc5a783abaf37e670f0 |
Coding | codecontest | Write Python code to solve the task.
Notice that the memory limit is non-standard.
Recently Arthur and Sasha have studied correct bracket sequences. Arthur understood this topic perfectly and become so amazed about correct bracket sequences, so he even got himself a favorite correct bracket sequence of length 2n. Unli... | Step 1: This problem involves restoring a correct bracket sequence given some information about the distances of opening and closing brackets.
Step 2: We need to iterate over the given segments for each opening bracket and determine the corresponding closing bracket based on the given distance segments.
Step 3: We s... | 4a94ca2a2eea6b1bc3f388ffb0fbdbf8a959a0df6ca01c7ba3cd298a1a405388_1_1 | 46bcba31388bf9e3f93f87e008b4914ca9a45fb8664e7fc5a783abaf37e670f0 |
Coding | codecontest | Write Python code to solve the task.
One Big Software Company has n employees numbered from 1 to n. The director is assigned number 1. Every employee of the company except the director has exactly one immediate superior. The director, of course, doesn't have a superior.
We will call person a a subordinates of another ... | Step 1: To solve this problem, we need to find the maximum possible efficiency of the workgroup that can be formed under the given conditions.
Step 2: We can start by parsing the input to extract information about each employee. We can store the information in a data structure to keep track of each employee's relatio... | a161083a455006535cb2394cc8b2be1946687f69d107415f1e8e7624dad4fb59_1_1 | 409febbe75cc9949980e32c5d9e1d1578157a106bdc14aa1ec3037dabf266e30 |
Coding | codecontest | Write Python code to solve the task.
One Big Software Company has n employees numbered from 1 to n. The director is assigned number 1. Every employee of the company except the director has exactly one immediate superior. The director, of course, doesn't have a superior.
We will call person a a subordinates of another ... | Step 1: The problem involves processing a hierarchical structure with efficiencies associated with each employee.
Step 2: We need to traverse the hierarchy and compute the maximum possible efficiency of the workgroup based on the given condition.
Step 3: A dynamic programming approach might be effective for processi... | 39c99507a14679315047b0d2d4c93eef84ceb27e18cdb99f846a39bd19f4dc6c_1_1 | 409febbe75cc9949980e32c5d9e1d1578157a106bdc14aa1ec3037dabf266e30 |
Coding | codecontest | Write Python code to solve the task.
For a positive integer n, we denote the integer obtained by reversing the decimal notation of n (without leading zeroes) by rev(n). For example, rev(123) = 321 and rev(4000) = 4.
You are given a positive integer D. How many positive integers N satisfy rev(N) = N + D?
Constraints
... | Step 1: The problem is asking to calculate the number of positive integers N such that the reverse of N (without leading zeros) is N + D.
Step 2: To solve this problem, we can use a recursive approach to calculate the number of valid N. We need to traverse through various combinations of the digits of N and check if ... | cd669a11cc606ffe67f0a6e7740ad7200da727ac4e9775cdb8f09f873d0e3b18_1_1 | 51b1a08f2454f83cd385d7e363d38d2ca95b0012b350be372783805bbe99764a |
Coding | codecontest | Write Python code to solve the task.
For a positive integer n, we denote the integer obtained by reversing the decimal notation of n (without leading zeroes) by rev(n). For example, rev(123) = 321 and rev(4000) = 4.
You are given a positive integer D. How many positive integers N satisfy rev(N) = N + D?
Constraints
... | Step 1: To solve this problem, we need to determine the number of positive integers N that satisfy the given condition.
Step 2: We can start by defining a recursive function, f, that takes three parameters: d, x, and y.
Step 3: We can then calculate the number of positive integers N that satisfy the given condition ... | aea664d9b7fb69943cc3e3a91d095efdb3fefa01d3384bdc4e1b1baa8270ac7e_1_1 | 51b1a08f2454f83cd385d7e363d38d2ca95b0012b350be372783805bbe99764a |
Coding | codecontest | Write Python code to solve the task.
Little Vasya's uncle is a postman. The post offices are located on one circular road. Besides, each post office has its own gas station located next to it. Petya's uncle works as follows: in the morning he should leave the house and go to some post office. In the office he receives ... | Step 1: The problem describes a scenario where Vasya's uncle needs to travel in a high-tech car around a circular road to visit post offices located on the road. The car consumes gasoline according to the distance traveled and needs refueling at the post offices. We are tasked with determining which post offices the u... | ce2969e67e7d6ab731bb0af52be4126be0a2fc6b630cedb554f54a55cdc8128e_1_1 | 30a47ea7188e5b6f06e30e797a2d42bad70b9115afb7a17e9aecd33930b0ce9b |
Coding | codecontest | Write Python code to solve the task.
Little Vasya's uncle is a postman. The post offices are located on one circular road. Besides, each post office has its own gas station located next to it. Petya's uncle works as follows: in the morning he should leave the house and go to some post office. In the office he receives ... | Step 1: The problem describes a scenario where the postman must start from a post office, travel a circular road, and return to the starting post office while refueling at each post office along the way. It also mentions that the sum of all gas amounts at each station is equal to the sum of the distances between the p... | e38aabf1412ddcfdb5ad6143291a069f5d7b54a0de5a23343d447d948eae6429_1_1 | 30a47ea7188e5b6f06e30e797a2d42bad70b9115afb7a17e9aecd33930b0ce9b |
Coding | codecontest | Write Python code to solve the task.
A new innovative ticketing systems for public transport is introduced in Bytesburg. Now there is a single travel card for all transport. To make a trip a passenger scan his card and then he is charged according to the fare.
The fare is constructed in the following manner. There are... | Step 1: To solve this problem, we need to consider the minimum total cost of tickets to cover all trips.
Step 2: We can iterate through the trips and for each trip, calculate the minimum total cost using the given ticket types.
Step 3: We need to keep track of the minimum total cost for each trip and the total sum ... | a79de97f01569d49f036a55942b4fe4e8de373f653770ed060eb5ec4bc20f8a3_1_1 | 2dc4e69f5ba799b896df7acca0164ed0d4079c0b7b7d1bbadc2ff7de1e43c03c |
Coding | codecontest | Write Python code to solve the task.
A new innovative ticketing systems for public transport is introduced in Bytesburg. Now there is a single travel card for all transport. To make a trip a passenger scan his card and then he is charged according to the fare.
The fare is constructed in the following manner. There are... | Step 1: The problem presents a ticketing system based on a series of trips taken by a passenger, with associated charges based on different fare types for one trip, 90 minutes, and one day (1440 minutes).
Step 2: Our task is to write a program to calculate the sum the passenger is charged after each trip.
Step 3: We... | 3d0cdc56b75ca8d37f8be579c3f1d2274c532effa1a0f7c493c42c5fb13ddda6_1_1 | 2dc4e69f5ba799b896df7acca0164ed0d4079c0b7b7d1bbadc2ff7de1e43c03c |
Coding | codecontest | Write Python code to solve the task.
Our hero - Maga is going to make a new contest for making the best teams. He is really excited about it. There will be S students in the contest. First N students in the final standings will be awarded.
He has a list( favourite students list ) what contains the best students in in... | Step 1: The problem asks us to calculate the probability that at least K of Maga's favorite students will be awarded.
Step 2: To solve this problem, we can use a combination calculation to compute the probability based on the number of favorite students, total students, and awarded students.
Step 3: We'll need to ca... | 917be2eed409b59ac902cbf18d9b15798c41ca231222edd609a6bf1732a7bcab_1_1 | 6e058da0ca941328f58ed88573ac2274e3fd3d0c260544131d289b7f74bea039 |
Coding | codecontest | Write Python code to solve the task.
Our hero - Maga is going to make a new contest for making the best teams. He is really excited about it. There will be S students in the contest. First N students in the final standings will be awarded.
He has a list( favourite students list ) what contains the best students in in... | Step 1: This problem asks us to calculate the probability that a certain number of students from a list of favorite students will win an award in a contest.
Step 2: We are given the number of total students, the number of students who will be awarded, the number of favorite students, and the minimum number of favorit... | 19997b73d7ebc8de412e751cdfd8ab8f8f5b33c30e58e8b083021740c9efd4d2_1_1 | 6e058da0ca941328f58ed88573ac2274e3fd3d0c260544131d289b7f74bea039 |
Coding | codecontest | Write Python code to solve the task.
Recently Watson learned the concept of coprime numbers and now he wonders given an array A1, A2 . . . AN what is the size of the largest subset of the array such that the each pair of elements in the subset is coprime.
Watson asks Sherlock for help and in turn Sherlock needs you.
... | Step 1: To solve this problem, we need to find the size of the largest subset of the array such that each pair of elements in the subset is coprime.
Step 2: We can start by defining a function to check if a number is prime, and another function to calculate the greatest common divisor (GCD) of two numbers.
Step 3: W... | 4fcd92a012930fd1320dbfe03ba6a429e603eefca40021238995cddf5da752b3_1_1 | 6b4c1448c5b56321b7520d61ddad95a7b8bb30ceb4d0f3508eb0a272908b0efe |
Coding | codecontest | Write Python code to solve the task.
Recently Watson learned the concept of coprime numbers and now he wonders given an array A1, A2 . . . AN what is the size of the largest subset of the array such that the each pair of elements in the subset is coprime.
Watson asks Sherlock for help and in turn Sherlock needs you.
... | Step 1: The problem is asking for the size of the largest subset of the array such that each pair of elements in the subset is coprime.
Step 2: We can start by defining a function to check if a number is prime and use it to find all prime numbers in the given range.
Step 3: Then we can define a function to count the... | c3d498cc6eda633c60d5ba5830effd77c76a45bed625937772f708f55d29d27e_1_1 | 6b4c1448c5b56321b7520d61ddad95a7b8bb30ceb4d0f3508eb0a272908b0efe |
Coding | codecontest | Write Python code to solve the task.
Aizuwakamatsu City is known as the "City of History". About 400 years ago, the skeleton of the castle town was created by Gamo Ujisato, but after that, it became the central city of the Aizu clan 230,000 stones, whose ancestor was Hoshina Masayuki, the half-brother of Tokugawa's thi... | Step 1: The problem requires us to determine the minimum number of lanterns needed to light the streets connecting historic sites in Aizuwakamatsu City.
Step 2: We are given the number of historic sites, the number of streets, and the distance between the historic sites.
Step 3: We can use the Kruskal's algorithm to... | dddb5b9a75d8d29eddec3f3d3f51a477d1fa9ba49b846c4a92cab3dd0f11289d_1_1 | 68b369fab67ee07eab210a9b9f1ca8397c583b25b15f11d2f8b246cd2e29cf64 |
Coding | codecontest | Write Python code to solve the task.
Aizuwakamatsu City is known as the "City of History". About 400 years ago, the skeleton of the castle town was created by Gamo Ujisato, but after that, it became the central city of the Aizu clan 230,000 stones, whose ancestor was Hoshina Masayuki, the half-brother of Tokugawa's thi... | Step 1: The problem involves modeling the streets connecting historic sites and finding the minimum number of lanterns required on these streets. We need to minimize the number of lanterns while ensuring that all historic sites can be reached by following the streets decorated with lanterns.
Step 2: To solve this pro... | f2bc1e48d5f0628bf4f9db45283189e31aac42afb65ba4534adc1d837a8bd022_1_1 | 68b369fab67ee07eab210a9b9f1ca8397c583b25b15f11d2f8b246cd2e29cf64 |
Coding | codecontest | Write Python code to solve the task.
Let f_{x} = c^{2x-6} ⋅ f_{x-1} ⋅ f_{x-2} ⋅ f_{x-3} for x ≥ 4.
You have given integers n, f_{1}, f_{2}, f_{3}, and c. Find f_{n} mod (10^{9}+7).
Input
The only line contains five integers n, f_{1}, f_{2}, f_{3}, and c (4 ≤ n ≤ 10^{18}, 1 ≤ f_{1}, f_{2}, f_{3}, c ≤ 10^{9}).
Output... | Step 1: The problem involves calculating a sequence based on a given recurrence relation and then finding the value of the sequence modulo a large number.
Step 2: The solution uses matrix exponentiation to efficiently calculate f_n.
Step 3: We can start by understanding the structure of the recursive relation and ho... | ed1989c6389f3621917de87d9164ddd8405f4ebe6b9e845a1a1c8074608ab657_1_1 | 824ebd4052cc976fc66db119c2116ae9be409fd8b52790ab0b7111e5da57fdf8 |
Coding | codecontest | Write Python code to solve the task.
Let f_{x} = c^{2x-6} ⋅ f_{x-1} ⋅ f_{x-2} ⋅ f_{x-3} for x ≥ 4.
You have given integers n, f_{1}, f_{2}, f_{3}, and c. Find f_{n} mod (10^{9}+7).
Input
The only line contains five integers n, f_{1}, f_{2}, f_{3}, and c (4 ≤ n ≤ 10^{18}, 1 ≤ f_{1}, f_{2}, f_{3}, c ≤ 10^{9}).
Output... | Step 1: The problem requires the calculation of the value of a sequence defined by a recursive function with given initial values and a constant 'c'.
Step 2: To solve the problem, we need to understand the recursive nature of the sequence, which is defined by the function f_x = c^(2x-6) * f_{x-1} * f_{x-2} * f_{x-3} ... | 4775e6b43b98e00ea226856df6655c2756ed8e88d84c6bb8e63e5536a95fa290_1_1 | 824ebd4052cc976fc66db119c2116ae9be409fd8b52790ab0b7111e5da57fdf8 |
Coding | codecontest | Write Python code to solve the task.
With the motto "Creating your own path," a shrine created a fortune-telling fortune with its own hands. Ask the person who draws the lottery to throw six stones first, then the line segment connecting the first and second of the thrown stones, the line segment connecting the third a... | Step 1: The problem statement requires us to calculate the area of a triangle formed by three line segments and determine the corresponding fortune based on the calculated area.
Step 2: We can use mathematical principles to calculate the area of the triangle formed by the line segments. To do this, we'll first determ... | c95e06cafe1c068198c79cef6ca8d1955ad128d5cb795d0cb45afc06c273f4ed_1_1 | 77a06109a1938faacb0af386c5e6185121650cbfe34a85f6cbd74f4439586f83 |
Coding | codecontest | Write Python code to solve the task.
With the motto "Creating your own path," a shrine created a fortune-telling fortune with its own hands. Ask the person who draws the lottery to throw six stones first, then the line segment connecting the first and second of the thrown stones, the line segment connecting the third a... | Step 1: The program should read the coordinates of the endpoints of three line segments and determine if they form a triangle.
Step 2: If the points form a triangle, the program should calculate the area of the triangle and use the area to map it to a fortune.
Step 3: The calculation of the triangle area and mapping... | a28442d7feb8587194ecfd77638f0467a25fe8aaf6664a47dbd98564d75f6df0_1_1 | 77a06109a1938faacb0af386c5e6185121650cbfe34a85f6cbd74f4439586f83 |
Coding | codecontest | Write Python code to solve the task.
Miyako came to the flea kingdom with a ukulele. She became good friends with local flea residents and played beautiful music for them every day.
In return, the fleas made a bigger ukulele for her: it has n strings, and each string has (10^{18} + 1) frets numerated from 0 to 10^{18}... | Step 1: The problem requires us to process multiple queries to determine the number of distinct pitches on a ukulele for a given range of frets.
Step 2: We should start by understanding the ukulele's tuning and how to calculate the number of distinct pitches based on the fret range.
Step 3: We also need to consider ... | 39c6739d36bf0a77649d1d1f2b4deb3db4419918df6e78aa4e004eca861cf177_1_1 | 5fb62528bff18809ccd531ea526de73056fc5aa6c6c84095596dd76461bce1a6 |
Coding | codecontest | Write Python code to solve the task.
Miyako came to the flea kingdom with a ukulele. She became good friends with local flea residents and played beautiful music for them every day.
In return, the fleas made a bigger ukulele for her: it has n strings, and each string has (10^{18} + 1) frets numerated from 0 to 10^{18}... | Step 1: The given problem involves processing data from input to output.
Step 2: We need to parse the inputs, process the queries, and calculate the number of different pitches within the specified fret range.
Step 3: We can create a function to binary search for the number of different pitches using a given fret r... | 747730aa3391dce9127bbd4adaa0b5e737153c19ce4b9602402e4ab743ebff30_1_1 | 5fb62528bff18809ccd531ea526de73056fc5aa6c6c84095596dd76461bce1a6 |
Coding | codecontest | Write Python code to solve the task.
You are given n - 1 integers a_2, ..., a_n and a tree with n vertices rooted at vertex 1. The leaves are all at the same distance d from the root.
Recall that a tree is a connected undirected graph without cycles. The distance between two vertices is the number of edges on the sim... | Step 1:
The problem requires maximizing the number of points gained after d moves by moving the red coin to any child of r and the blue coin to any vertex b'. The distance between the two vertices must be the same after d moves. The problem includes reading input, computing vertex distances, and selecting vertices to ... | 793488384d536a14ec8a1dc1ac0b3c5f30cd265fb64ff64ba20e73048d47f76f_1_1 | 9097de2673f9bcd15770850c8dbafeb801e7e92b68a4ece7436bae454a885e68 |
Coding | codecontest | Write Python code to solve the task.
You are given n - 1 integers a_2, ..., a_n and a tree with n vertices rooted at vertex 1. The leaves are all at the same distance d from the root.
Recall that a tree is a connected undirected graph without cycles. The distance between two vertices is the number of edges on the sim... | Step 1: This problem involves optimizing the placement of red and blue coins on the vertices of a tree to maximize the points gained after d moves.
Step 2: We can parse the input for each test case and represent the tree as an adjacency list.
Step 3: Then, we can use dynamic programming to iterate through the tree ... | 3d6c813e1342040e3dcf21eea28406672a1e251fba39a1701d042edcec095897_1_1 | 9097de2673f9bcd15770850c8dbafeb801e7e92b68a4ece7436bae454a885e68 |
Coding | codecontest | Write Python code to solve the task.
You are given an array a consisting of n integers, and additionally an integer m. You have to choose some sequence of indices b1, b2, ..., bk (1 ≤ b1 < b2 < ... < bk ≤ n) in such a way that the value of <image> is maximized. Chosen sequence can be empty.
Print the maximum possible ... | Step 1: The problem requires finding the maximum possible value of a sum modulo m for a given array of integers.
Step 2: We need to calculate all possible subsequence sums for the array and then find the maximum value of the subsequence sum modulo m.
Step 3: To achieve this, we first calculate all the subsequence su... | 52a295624d1f9da011ca3420197007dd794c791b926e99970279c3b55081edfd_1_1 | b8791309d449571771df5e99abdbf34ece386398008c97113d96b2c72e69d166 |
Coding | codecontest | Write Python code to solve the task.
You are given an array a consisting of n integers, and additionally an integer m. You have to choose some sequence of indices b1, b2, ..., bk (1 ≤ b1 < b2 < ... < bk ≤ n) in such a way that the value of <image> is maximized. Chosen sequence can be empty.
Print the maximum possible ... | Step 1: The problem requires finding the maximum value of a defined function based on input.
Step 2: We have to find a sequence of indices that maximizes the value of the function. The chosen sequence can be empty.
Step 3: We can approach this problem by iterating through all possible subsequences of the given arra... | a09e9eed7c3412eb9cfe0b8bdf7e79db0fa088fea7e869cd01c886dfa15bc37d_1_1 | b8791309d449571771df5e99abdbf34ece386398008c97113d96b2c72e69d166 |
Coding | codecontest | Write Python code to solve the task.
Petya loves volleyball very much. One day he was running late for a volleyball match. Petya hasn't bought his own car yet, that's why he had to take a taxi. The city has n junctions, some of which are connected by two-way roads. The length of each road is defined by some positive in... | Step 1: The problem involves finding the minimum cost for Petya to travel from one junction to another using taxis.
Step 2: This is a routing problem, similar to Dijkstra's algorithm, where we need to find the shortest path and associated costs among connected junctions.
Step 3: We can use Dijkstra's algorithm to fi... | 4db3a3cbffdf04859bcf53b2bbd0f822bae1adebc62e8760357acf1abb951cae_1_1 | 7b76abbff0e2653b55a842dd66e60cbada688760bf70fdb2b7a2e021adfa0960 |
Coding | codecontest | Write Python code to solve the task.
Petya loves volleyball very much. One day he was running late for a volleyball match. Petya hasn't bought his own car yet, that's why he had to take a taxi. The city has n junctions, some of which are connected by two-way roads. The length of each road is defined by some positive in... | Step 1: The problem requires determining the minimum cost for Petya to travel from the initial junction to the volleyball stadium.
Step 2: We can use Dijkstra's algorithm to find the minimum cost path to reach the destination junction.
Step 3: The roads in the city and the taxi driver's maximum distance and cost are... | f1061d2138590a80286c5bea0d2bcc400f4dddac9ae169a845f0a71597f57852_1_1 | 7b76abbff0e2653b55a842dd66e60cbada688760bf70fdb2b7a2e021adfa0960 |
Coding | codecontest | Write Python code to solve the task.
Alice received a set of Toy Train™ from Bob. It consists of one train and a connected railway network of n stations, enumerated from 1 through n. The train occupies one station at a time and travels around the network of stations in a circular manner. More precisely, the immediate s... | Step 1: The problem requires finding the minimum time the train would need to deliver all the candies based on different starting stations.
Step 2: We'll need to determine the candy delivery time from each station, given the distribution of the candies.
Step 3: We can refer to the input and output examples to unders... | 77c38b6c60964f847f9132f3ce9ab30c49dcbfe958bc9ae4488d198652adb9cb_1_1 | 340e87dc7ed61df4d7a4941cf8b1efd378675426f0a6b34395e9b23cdbe77549 |
Coding | codecontest | Write Python code to solve the task.
Alice received a set of Toy Train™ from Bob. It consists of one train and a connected railway network of n stations, enumerated from 1 through n. The train occupies one station at a time and travels around the network of stations in a circular manner. More precisely, the immediate s... | Step 1: The problem is asking us to calculate the minimum time needed for a train to deliver all candies if it starts from each station.
Step 2: To solve this problem, we can store the number of candies and their minimum distance from each station, who has candies, to their destinations.
Step 3: We then calculate th... | 53ac19c9042ad754f1d189b86d7b9dd3f0323dfc1516df865a5f8242144e371c_1_1 | 340e87dc7ed61df4d7a4941cf8b1efd378675426f0a6b34395e9b23cdbe77549 |
Coding | codecontest | Write Python code to solve the task.
You've been in love with Coronavirus-chan for a long time, but you didn't know where she lived until now. And just now you found out that she lives in a faraway place called Naha.
You immediately decided to take a vacation and visit Coronavirus-chan. Your vacation lasts exactly x ... | Step 1: The goal of this problem is to maximize the number of hugs that can be received during a vacation period by visiting Coronavirus-chan on the best days.
Step 2: To do this, we need a plan to determine the maximum number of hugs based on the structure of Naha's calendar and the specific number of days that can ... | 421f78538253ac7618c3639a88a4c98b3d45e04e0c0f28dccfa0897c0d53456d_1_1 | ebe0bf704b818a8d44845df8752644c8aeabae80a86fff88a3c66e2996059bf2 |
Coding | codecontest | Write Python code to solve the task.
You've been in love with Coronavirus-chan for a long time, but you didn't know where she lived until now. And just now you found out that she lives in a faraway place called Naha.
You immediately decided to take a vacation and visit Coronavirus-chan. Your vacation lasts exactly x ... | Step 1: This problem requires calculating the number of hugs you can get from Coronavirus-chan during a vacation.
Step 2: We can achieve this by first calculating the cumulative number of days in each month and the cumulative hugs until each month.
Step 3: Then, we can use binary search to find the optimal number of... | a15dc2bae01cccd31e2850e16cabd3fb44b09bb34bf8fbc5d1ae966a1d76fe80_1_1 | ebe0bf704b818a8d44845df8752644c8aeabae80a86fff88a3c66e2996059bf2 |
Coding | codecontest | Write Python code to solve the task.
Gerald has n younger brothers and their number happens to be even. One day he bought n2 candy bags. One bag has one candy, one bag has two candies, one bag has three candies and so on. In fact, for each integer k from 1 to n2 he has exactly one bag with k candies.
Help him give n ... | Step 1: To solve this problem, we need to distribute the bags of candies to Gerald's brothers in a way that ensures each brother receives the same number of candies.
Step 2: The number of candies in the bags is from 1 to n^2, and there are n brothers. Since n is specified to be even, we will ensure an equal number of... | 2dca9e22567eea331632f0768fb59349dbcc6ce3a37d7cae49b409200ddaa1b8_1_1 | 6e5aa85b69131472387f6db02ff3e43958fce48e829a189a606438c2a7651f79 |
Coding | codecontest | Write Python code to solve the task.
Gerald has n younger brothers and their number happens to be even. One day he bought n2 candy bags. One bag has one candy, one bag has two candies, one bag has three candies and so on. In fact, for each integer k from 1 to n2 he has exactly one bag with k candies.
Help him give n ... | Step 1: To solve this problem, we need to distribute the candy bags such that all brothers have the same number of candies.
Step 2: We can start by iterating through each brother and then assigning distinct bags of candies such as to ensure that each brother gets a unique set of bags.
Step 3: We also need to ensure ... | a9f70bce840a311da2b6520f916e2f7584255f4727ab4999c489a447ecb256ee_1_1 | 6e5aa85b69131472387f6db02ff3e43958fce48e829a189a606438c2a7651f79 |
Coding | codecontest | Write Python code to solve the task.
Monocarp has drawn a tree (an undirected connected acyclic graph) and then has given each vertex an index. All indices are distinct numbers from 1 to n. For every edge e of this tree, Monocarp has written two numbers: the maximum indices of the vertices of the two components formed ... | Step 1: The problem seems to involve constructing a tree based on given pairs of numbers and checking if the tree can produce the given list of pairs.
Step 2: We need to first determine if a tree can be constructed from the given list of pairs and if so, find the edges of the tree.
Step 3: We'll need to keep track... | 61fc338163b95bf7dd74143bb82288e899f93c0b723404a8b30730bcbf477261_1_1 | d55ece6be5cf032d016b8d13a08e319e225b633a76cfeb86f7a853af8aff7374 |
Coding | codecontest | Write Python code to solve the task.
Monocarp has drawn a tree (an undirected connected acyclic graph) and then has given each vertex an index. All indices are distinct numbers from 1 to n. For every edge e of this tree, Monocarp has written two numbers: the maximum indices of the vertices of the two components formed ... | Step 1: The problem seems to require the construction of a valid tree based on the given list of pairs of numbers. The tree should produce the same pairs as given in the input file.
Step 2: We can start by reading the input and processing the given list of pairs to check if a tree that can produce the list exists.
St... | d75b4705d866364e5e02fc74f382e4a8029af08bdb13df0b1bb8be62b5242d10_1_1 | d55ece6be5cf032d016b8d13a08e319e225b633a76cfeb86f7a853af8aff7374 |
Coding | codecontest | Write Python code to solve the task.
Hag is a very talented person. He has always had an artist inside him but his father forced him to study mechanical engineering.
Yesterday he spent all of his time cutting a giant piece of wood trying to make it look like a goose. Anyway, his dad found out that he was doing arts ra... | Step 1:
The task requires understanding input parameters, such as the number of vertices for the strictly convex polygon, and the number of queries, and the descriptions of the wooden polygon.
To start, the code initializes x, y coordinates and calculates the Centroid. This part of the code will help us to calculate ... | 59aba5021d6608e1b741010ea106cb89084c5b8988ba7b632ebe34d377e67abc_1_1 | 72dda79c0ff7c93b832c9eca7b789d31518561445a33d2835eb9858aec3aa820 |
Coding | codecontest | Write Python code to solve the task.
Hag is a very talented person. He has always had an artist inside him but his father forced him to study mechanical engineering.
Yesterday he spent all of his time cutting a giant piece of wood trying to make it look like a goose. Anyway, his dad found out that he was doing arts ra... | Step 1: The problem requires performing queries on a polygon to manipulate its rotation and obtaining vertex coordinates.
Step 2: We need to calculate the centroid of the polygon to use as a reference point and then apply the transformations and rotations based on the input queries.
Step 3: When processing the quer... | 8c9cab5abdd78943a3adba4d299001ac6bf436aeddb559a02a6a6b5fc7f3066d_1_1 | 72dda79c0ff7c93b832c9eca7b789d31518561445a33d2835eb9858aec3aa820 |
Coding | codecontest | Write Python code to solve the task.
Zibi is a competitive programming coach. There are n competitors who want to be prepared well. The training contests are quite unusual – there are two people in a team, two problems, and each competitor will code exactly one of them. Of course, people in one team will code different... | Step 1:
The problem describes a scenario where teams of two are created to solve two problems. The participants have different scores for the two problems, and the goal is to minimize the sum of the scores for each participant. Additionally, there are some pairs of people who don't like to cooperate, and they won't be... | a36dd0a28e3b45aa7bbf3b42a7c289c7504eea32e12b3d0b9400508dc37d4dbc_1_1 | bfcb7679c78c27cd1333d182de5ab0d42a859d09c38e5d9da0974585042b83e5 |
Coding | codecontest | Write Python code to solve the task.
Zibi is a competitive programming coach. There are n competitors who want to be prepared well. The training contests are quite unusual – there are two people in a team, two problems, and each competitor will code exactly one of them. Of course, people in one team will code different... | Step 1: This is a complex problem involving combinatorics and optimization. The main task is to calculate the score of each participant given their preferences and restrictions.
Step 2: To solve this problem, we can use a greedy approach to optimize the assignments of the problems such that the score of each particip... | 1b042a7f96f92924723c764567220dbb5ad14705f9de25a9acd39d8a20eb7310_1_1 | bfcb7679c78c27cd1333d182de5ab0d42a859d09c38e5d9da0974585042b83e5 |
Coding | codecontest | Write Python code to solve the task.
Alice is playing a game with her good friend, Marisa.
There are n boxes arranged in a line, numbered with integers from 1 to n from left to right. Marisa will hide a doll in one of the boxes. Then Alice will have m chances to guess where the doll is. If Alice will correctly guess t... | Step 1: The problem wants to calculate the number of scenarios in which Marisa is able to win the game if she puts the doll in a certain box and performs tricks after each guess by Alice.
Step 2: To solve this, we need to simulate the process of moving the doll based on the guesses made by Alice.
Step 3: We can keep... | 42eabe29df423947d0d5430fe9085b2100c15d02f5668922b262f7a19eebe3dc_1_1 | 83e257f03646cca0ca2a905b1bcafe06f5a3a068310d52b129d6c8e7c4bc1b4c |
Coding | codecontest | Write Python code to solve the task.
Alice is playing a game with her good friend, Marisa.
There are n boxes arranged in a line, numbered with integers from 1 to n from left to right. Marisa will hide a doll in one of the boxes. Then Alice will have m chances to guess where the doll is. If Alice will correctly guess t... | Step 1: The problem is to calculate the number of scenarios in which Marisa can win the game based on where she puts the doll at the beginning and the end of the game.
Step 2: We need to consider the game order and the number of scenarios based on the sequence of guesses made by Alice.
Step 3: To solve this problem,... | 016ed879b86ccd2162aa504a382242daf89e9eeebfb0e2b21d177950d2afd3da_1_1 | 83e257f03646cca0ca2a905b1bcafe06f5a3a068310d52b129d6c8e7c4bc1b4c |
Coding | codecontest | Write Python code to solve the task.
You are given a directed graph G which can contain loops (edges from a vertex to itself). Multi-edges are absent in G which means that for all ordered pairs (u, v) exists at most one edge from u to v. Vertices are numbered from 1 to n.
A path from u to v is a sequence of edges such... | Step 1: The problem involves finding the number of paths from vertex 1 to each vertex v in a directed graph.
Step 2: We can use the concept of strongly connected components (SCCs) to solve this problem.
Step 3: To do this, we can first find all the SCCs in the graph and then use dynamic programming to calculate the ... | 2341b7a5fb787ae17bde7f441312b76f7e80b1e80a1053edcfebc783cee4b21c_1_1 | cfd5f17ef989aef17d0d1038c6799f5b3f0df0dce6697130be7f006e36ef7fcd |
Coding | codecontest | Write Python code to solve the task.
You are given a directed graph G which can contain loops (edges from a vertex to itself). Multi-edges are absent in G which means that for all ordered pairs (u, v) exists at most one edge from u to v. Vertices are numbered from 1 to n.
A path from u to v is a sequence of edges such... | Step 1: The problem requires us to create a function that calculates the number of paths from vertex 1 to each of the other vertices in the graph.
Step 2: To do this, we can use a depth-first search algorithm to visit the vertices and determine the path counts from vertex 1 to each vertex.
Step 3: We'll start by cr... | 4157828c43d11477dbfb31977e47a8c6c630798997650421c241340faeed37f8_1_1 | cfd5f17ef989aef17d0d1038c6799f5b3f0df0dce6697130be7f006e36ef7fcd |
Coding | codecontest | Write Python code to solve the task.
Manao's friends often send him new songs. He never listens to them right away. Instead, he compiles them into a playlist. When he feels that his mind is open to new music, he opens the playlist and starts to listen to the songs.
Of course, there are some songs that Manao doesn't pa... | Step 1: The problem requires us to calculate the maximum expected listening time over all permutations of songs.
Step 2: To solve this problem, the main logic involves going through all possible orders of songs in the playlist and calculating the expected listening time for each order.
Step 3: One way to solve this... | d9ed94b01660f88f214a5ec2650e4386c0cb88a4da4335e0c948f7f9d2bbd8d5_1_1 | f7d4b68ca92953ba6c0bf9d0a84c98563f453744ba5da89e52e064d186a2fbc7 |
Coding | codecontest | Write Python code to solve the task.
Manao's friends often send him new songs. He never listens to them right away. Instead, he compiles them into a playlist. When he feels that his mind is open to new music, he opens the playlist and starts to listen to the songs.
Of course, there are some songs that Manao doesn't pa... | Step 1: The given problem deals with finding the maximum expected listening time over all permutations of songs in the playlist.
Step 2: We need to calculate the expected value of the listening time for each permutation and find the maximum among them.
Step 3: To do this, we will iterate through all permutations of ... | 0739b1162153242ed90ecf2d0eb83245482459dd85de9c16f05d9b045872ba06_1_1 | f7d4b68ca92953ba6c0bf9d0a84c98563f453744ba5da89e52e064d186a2fbc7 |
Coding | codecontest | Write Python code to solve the task.
Barney lives in country USC (United States of Charzeh). USC has n cities numbered from 1 through n and n - 1 roads between them. Cities and roads of USC form a rooted tree (Barney's not sure why it is rooted). Root of the tree is the city number 1. Thus if one will start his journey... | Step 1: The problem requires us to find the expected value of starting_time for each city i in USC. This suggests that we need to find the average starting time for each city based on the DFS algorithm provided.
Step 2: We can start by parsing the input to represent the tree using a list of children for each city.
St... | afd681c8446cfabf26d225d679ba508932bcd602f4805dff744c60fcf80a5686_1_1 | 946143fde969588f593eebc5f66aeb6f469367510b2691f145c79c00605444f5 |
Coding | codecontest | Write Python code to solve the task.
Barney lives in country USC (United States of Charzeh). USC has n cities numbered from 1 through n and n - 1 roads between them. Cities and roads of USC form a rooted tree (Barney's not sure why it is rooted). Root of the tree is the city number 1. Thus if one will start his journey... | Step 1:
The problem asks to find the expected value of the starting time for each city in the rooted tree. The DFS algorithm is used to run the depth first search starting from the root. It uses a pseudo code to achieve this. The expected value of the starting time for each city is calculated based on the number of ti... | f6cb12d5bfc7744e20be6a9ec9c2b262927f3b6b5e16e1dd8c6a1cb323f3bbc7_1_1 | 946143fde969588f593eebc5f66aeb6f469367510b2691f145c79c00605444f5 |
Coding | codecontest | Write Python code to solve the task.
Furik loves math lessons very much, so he doesn't attend them, unlike Rubik. But now Furik wants to get a good mark for math. For that Ms. Ivanova, his math teacher, gave him a new task. Furik solved the task immediately. Can you?
You are given a set of digits, your task is to find... | Step 1: This problem solving task requires understanding the rules of divisibility by 2, 3, and 5.
Step 2: We need to find the maximum integer that can be made from the given set of digits while adhering to the divisibility conditions.
Step 3: The input integer n specifies the number of digits in the set, and the se... | 76c1da3e25548a9499bf5d6d7602fb637b2e8d6874c8e2a90d1e2cb38fe091db_1_1 | 953d98bfba36d5686b1a1455fff35532b68926da79f104ec0f4fb9eff4f4759b |
Coding | codecontest | Write Python code to solve the task.
Furik loves math lessons very much, so he doesn't attend them, unlike Rubik. But now Furik wants to get a good mark for math. For that Ms. Ivanova, his math teacher, gave him a new task. Furik solved the task immediately. Can you?
You are given a set of digits, your task is to find... | Step 1: To solve this problem, we first need to understand the constraints and requirements for building the maximum integer from the given set of digits.
Step 2: We also need to consider the divisibility requirement by 2, 3, and 5, as well as the rule against leading zeroes.
Step 3: We can start by parsing the inpu... | 6183dc51141345a0793f7e953b0fb068413795e514fd8de2e9a91ef66a6bbf9b_1_1 | 953d98bfba36d5686b1a1455fff35532b68926da79f104ec0f4fb9eff4f4759b |
Coding | codecontest | Write Python code to solve the task.
You have a rooted tree consisting of n vertices. Let's number them with integers from 1 to n inclusive. The root of the tree is the vertex 1. For each i > 1 direct parent of the vertex i is pi. We say that vertex i is child for its direct parent pi.
You have initially painted all t... | Step 1: The problem is asking us to determine the number of distinct possible colorings of the vertices of the tree and find its remainder of division by 1000000007 (109 + 7).
Step 2: We can iteratively perform the painting operation using recursion, keeping track of the count of different colorings using dynamic pro... | 9f3ae9e27124add7304678840d279f2d50aa1ef7fb77e6b477666bc09e6d6783_1_1 | 091ef6ff0450ead4444f2c99c6cf32f5c6d72025f64977b5fd6eabe150cfe82f |
Coding | codecontest | Write Python code to solve the task.
You have a rooted tree consisting of n vertices. Let's number them with integers from 1 to n inclusive. The root of the tree is the vertex 1. For each i > 1 direct parent of the vertex i is pi. We say that vertex i is child for its direct parent pi.
You have initially painted all t... | Step 1:
The problem can be approached by defining a function to calculate the number of distinct possible colorings of the vertices of the given tree. We need to have a recursive approach that tracks the colorings of the vertices based on certain probabilities. The final result will be the number of distinct possible ... | e87557ba05cb42e1f992779ed5a69cd73a1c4d3803fece0a6bf92be43528b3c0_1_1 | 091ef6ff0450ead4444f2c99c6cf32f5c6d72025f64977b5fd6eabe150cfe82f |
Coding | codecontest | Write Python code to solve the task.
A mad scientist Dr.Jubal has made a competitive programming task. Try to solve it!
You are given integers n,k. Construct a grid A with size n × n consisting of integers 0 and 1. The very important condition should be satisfied: the sum of all elements in the grid is exactly k. In o... | Step 1: The problem requires us to create a grid of size n x n consisting of integers 0 and 1 such that the sum of all the elements in the grid is equal to k, and the value f(A) is minimized.
Step 2: To solve this, we can calculate the minimal value of f(A) by dividing k by n to get the average value per row, then di... | 38e35d51a1ae946032f15e838e0abb2b9ed27520dbda3fd4d2e5626eb80d850d_1_1 | 3c6646cf1dcc16e9d17031fc3c8dca157ed7ba146885a84bc0f84eaecb26082b |
Coding | codecontest | Write Python code to solve the task.
A mad scientist Dr.Jubal has made a competitive programming task. Try to solve it!
You are given integers n,k. Construct a grid A with size n × n consisting of integers 0 and 1. The very important condition should be satisfied: the sum of all elements in the grid is exactly k. In o... | Step 1: The problem requires constructing a grid of size n x n consisting of 0 and 1 such that the sum of all elements in the grid is exactly k.
Step 2: We need to calculate the minimum possible value of f(A) for each test case. The function f(A) is defined as (max(R)-min(R))^2 + (max(C)-min(C))^2, where R_i are row ... | cac0f362601e36f0c0ff8f1c6585bc27c0f02849e085dde87d2da14aa473b8b1_1_1 | 3c6646cf1dcc16e9d17031fc3c8dca157ed7ba146885a84bc0f84eaecb26082b |
Coding | codecontest | Write Python code to solve the task.
You play a computer game. Your character stands on some level of a multilevel ice cave. In order to move on forward, you need to descend one level lower and the only way to do this is to fall through the ice.
The level of the cave where you are is a rectangular square grid of n row... | Step 1: The problem mentions that the player can move to cells that are side-adjacent, and the ice on a cell becomes cracked if the character fails to move to the cell or the character moves away from this cell. This suggests that we will need to implement a depth-first search (DFS) algorithm to determine if it's poss... | d56a660d23fab699a5fad87326c18da653915376806f9c94eda4b84965f8dd61_1_1 | 9dd56c377a252e7e730ce7f50585d8247fad7fb8a320053b230d086ecc4f5840 |
Coding | codecontest | Write Python code to solve the task.
You play a computer game. Your character stands on some level of a multilevel ice cave. In order to move on forward, you need to descend one level lower and the only way to do this is to fall through the ice.
The level of the cave where you are is a rectangular square grid of n row... | Step 1: The problem involves finding a path from the starting cell to the destination cell while navigating through the cave. We can use depth-first search (DFS) to traverse the cave and find the destination cell.
Step 2: The DFS algorithm will involve moving to adjacent cells until the destination is reached. We als... | c23108e217cf51555e7626f8e063b4f1b16f24c7ad603b28f67590a35bbc0bbc_1_1 | 9dd56c377a252e7e730ce7f50585d8247fad7fb8a320053b230d086ecc4f5840 |
Coding | codecontest | Write Python code to solve the task.
Alook was composing magical spells for his mage master. The mage was good at spellcasting but since spell design requires intricate mathematics, this task was given to Alook who had the gift of numbers.
The power contained in a spell is a function of its lexicographical structure, ... | Step 1:
The problem requires finding the number of phonetically different spells the mage casts, given the length of the spells in terms of phonemes.
To solve this problem, we need to use a mathematical formula to find the number of different phonetic variations for each spell length.
We can use the concept of Fibonac... | f8e064bd358c7e5986696e04144ae4670bd3f0d198feb153f5e8726976c6de5f_1_1 | 86b582539a5726be89f3fbef226a59cb9c6a993b253ce7212af6b46952ad1476 |
Coding | codecontest | Write Python code to solve the task.
Alook was composing magical spells for his mage master. The mage was good at spellcasting but since spell design requires intricate mathematics, this task was given to Alook who had the gift of numbers.
The power contained in a spell is a function of its lexicographical structure, ... | Step 1: We need to calculate the number of phonetically different spells the mage can cast for a given length of phonemes.
Step 2: We need to understand the relationship between lexicographical structures and phonetic variations to determine the number of different spells.
Step 3: The output is expected to be large,... | ad0ace2b8f3a0cad48f570b93ad0abe233767397f959b1c021d39b722970a8f2_1_1 | 86b582539a5726be89f3fbef226a59cb9c6a993b253ce7212af6b46952ad1476 |
Coding | codecontest | Write Python code to solve the task.
<image>
This figure shows railway tracks for reshuffling cars. The rail tracks end in the bottom and the top-left rail track is used for the entrace and the top-right rail track is used for the exit. Ten cars, which have numbers from 1 to 10 respectively, use the rail tracks.
We ... | Step 1: To solve this problem, we need to simulate the movement of the cars on the railway tracks represented by the given sequence.
Step 2: We can use a stack data structure to keep track of the cars on the railway tracks.
Step 3: When a car enters, we push it onto the stack. When a car exits, we pop the top car fr... | 68e59f391cf2d52a2753f81b8a821b493cb538ce041d19b71ce7b7d5f07fbe2a_1_1 | a2b89630ab171bee4bdf69ed66298d4cd969d9e72fd4d013f4dbb4fd7ee8de76 |
Coding | codecontest | Write Python code to solve the task.
<image>
This figure shows railway tracks for reshuffling cars. The rail tracks end in the bottom and the top-left rail track is used for the entrace and the top-right rail track is used for the exit. Ten cars, which have numbers from 1 to 10 respectively, use the rail tracks.
We ... | Step 1: To solve this problem, we need to simulate the comings and goings of cars on the railway tracks based on the input sequence.
Step 2: We can use a stack to keep track of the cars on the tracks. Each time we encounter a car number, we push it onto the stack. When we encounter a 0, we pop a car number from the s... | 9317b22a5881e7dcbd44cd74dabd88fbc87c7ad74e7fad85cc8cc9f2b3168cc9_1_1 | a2b89630ab171bee4bdf69ed66298d4cd969d9e72fd4d013f4dbb4fd7ee8de76 |
Coding | codecontest | Write Python code to solve the task.
Every superhero has been given a power value by the Felicity Committee. The avengers crew wants to maximize the average power of the superheroes in their team by performing certain operations.
Initially, there are n superheroes in avengers team having powers a_1, a_2, …, a_n, respe... | Step 1: The problem requires maximizing the average power of the Avengers team by performing operations on the superhero powers.
Step 2: To achieve maximum average power, we need to consider removing superheroes from the team or increasing the power of a superhero within the constraints of maximum operations.
Step 3:... | 1a45bd22246d6576ac7e0ce37eecc04938c263a12548bb212853728f03820ce5_1_1 | 3f1138b3f722a5160cdd85a2717f37c554873b242656fdb8b4b5aa89cc497822 |
Coding | codecontest | Write Python code to solve the task.
Every superhero has been given a power value by the Felicity Committee. The avengers crew wants to maximize the average power of the superheroes in their team by performing certain operations.
Initially, there are n superheroes in avengers team having powers a_1, a_2, …, a_n, respe... | Step 1: To solve this problem, we will devise a strategy to maximize the average power of the superheroes. This strategy will involve removing a superhero from the team or increasing the power of a superhero. We should aim to remove superheroes with lower power and increase the power of the remaining superheroes to ma... | b7a29bfe5c913afa3283e64eea0eb11434374568a8de86ee787738c82e4f29f5_1_1 | 3f1138b3f722a5160cdd85a2717f37c554873b242656fdb8b4b5aa89cc497822 |
Coding | codecontest | Write Python code to solve the task.
This problem is split into two tasks. In this task, you are required to find the maximum possible answer. In the task Village (Minimum) you are required to find the minimum possible answer. Each task is worth 50 points.
There are N houses in a certain village. A single villager liv... | Step 1: This problem involves finding an optimal assignment of new houses for the villagers so that the total length of the shortest paths between the old and new houses is maximized.
Step 2: We can start by parsing the input to represent the village as a graph, where the houses are nodes and the roads are edges.
Ste... | 7a1b6dd95d8053624b08b5094c42f7c2ef0915e612118f947d469b94c7160d46_1_1 | f8932f065e3c60f6f833aa65a780633abb521683cdabd51bb5c0f94030de64f8 |
Coding | codecontest | Write Python code to solve the task.
This problem is split into two tasks. In this task, you are required to find the maximum possible answer. In the task Village (Minimum) you are required to find the minimum possible answer. Each task is worth 50 points.
There are N houses in a certain village. A single villager liv... | Step 1: The first task of the problem is to find the largest possible total length in kilometers of the shortest paths between the old and the new houses for all villagers.
Step 2: The second task is to find an example assignment of the new houses to the villagers.
Step 3: To solve the problem, we need to implement ... | 72b26dbf0bb6fdbd7e50fb3afa47ebccfb7526047d119b9baf4eb640fd7a903d_1_1 | f8932f065e3c60f6f833aa65a780633abb521683cdabd51bb5c0f94030de64f8 |
Coding | codecontest | Write Python code to solve the task.
There are n + 2 towns located on a coordinate line, numbered from 0 to n + 1. The i-th town is located at the point i.
You build a radio tower in each of the towns 1, 2, ..., n with probability 1/2 (these events are independent). After that, you want to set the signal power on each... | Step 1: The given problem involves building towers in designated towns and calculating the probability that a proper signal power allocation can be achieved according to the given constraints. The problem seems to involve dynamic programming, probability calculations, and modular arithmetic.
Step 2: We need to analyz... | f86de74c3c914669adbf5ebab07af815481dc1d2eb000281b34629961448b384_1_1 | c657987f4194274f62a65256d663178d5015c6808f2d6ea3bd101c5c33c73288 |
Coding | codecontest | Write Python code to solve the task.
There are n + 2 towns located on a coordinate line, numbered from 0 to n + 1. The i-th town is located at the point i.
You build a radio tower in each of the towns 1, 2, ..., n with probability 1/2 (these events are independent). After that, you want to set the signal power on each... | Step 1:
The problem requires calculating the probability that after building the towers, there will be a way to set signal powers to meet all constraints. To approach this problem, we can use dynamic programming to calculate the probability.
We can initialize a dynamic programming array to store the probabilities. We... | e6ea2efecdcacdbae85f94ff77c14e2e59f4dd934e963c0020de5aa89eca9b8f_1_1 | c657987f4194274f62a65256d663178d5015c6808f2d6ea3bd101c5c33c73288 |
Coding | codecontest | Write Python code to solve the task.
It's a beautiful April day and Wallace is playing football with his friends. But his friends do not know that Wallace actually stayed home with Gromit and sent them his robotic self instead. Robo-Wallace has several advantages over the other guys. For example, he can hit the ball di... | Step 1: The problem requires us to calculate the point on the wall to which Robo-Wallace should kick the ball so that it bounces off the wall and goes straight to the goal.
Step 2: To do this, we first need to calculate the point based on various inputs such as the coordinates of the goal, wall, and ball, as well as ... | 53fac919e18ef523649b9058c57b6cfbda33d827a35d65099a33371a4ff7c6b1_1_1 | 6eead3888dd8336799cbe72e4ff6bc2561d27fed5f8f7061ae27765a3e7f1a20 |
Coding | codecontest | Write Python code to solve the task.
It's a beautiful April day and Wallace is playing football with his friends. But his friends do not know that Wallace actually stayed home with Gromit and sent them his robotic self instead. Robo-Wallace has several advantages over the other guys. For example, he can hit the ball di... | Step 1: The problem requires determining the spot on the wall to which Robo-Wallace should kick the ball so that it bounces once and only once off the wall and goes straight to the goal.
Step 2: We can calculate the abscissa of the point of aiming using a given formula based on the y-coordinates and coordinates of th... | 704d07f71d428360b69a58ce304e91c1e792aa3795c41cd2268657911ea350c2_1_1 | 6eead3888dd8336799cbe72e4ff6bc2561d27fed5f8f7061ae27765a3e7f1a20 |
Coding | codecontest | Write Python code to solve the task.
The research center Q has developed a new multi-core processor. The processor consists of n cores and has k cells of cache memory. Consider the work of this processor.
At each cycle each core of the processor gets one instruction: either do nothing, or the number of the memory cell... | Step 1: The problem necessitates processing instructions for multiple cores across numerous cycles, simulating an environment where there might be conflicts causing deadlock.
Step 2: We are given m cycles and k memory cells, and given instructions on what each core should do each cycle.
Step 3: For each core, we nee... | d8a09dfc786229b4d3e75b936b134d63b1ea768e3875a63fb4cc692af577da35_1_1 | a9218cba681880755a29d32d915980c6de5ed285cdb603a62d0120eb5d00b1d0 |
Coding | codecontest | Write Python code to solve the task.
The research center Q has developed a new multi-core processor. The processor consists of n cores and has k cells of cache memory. Consider the work of this processor.
At each cycle each core of the processor gets one instruction: either do nothing, or the number of the memory cell... | Step 1: We need to simulate the processor for a given set of instructions and track the cores to resolve conflicts and detect deadlocks.
Step 2: I will implement a program to simulate the processor for m cycles.
Step 3: For each cycle, I will define for each core the number of the cycle during which it will become l... | 34887719516e5d9144368858e144f1a6a19c5f1a88ae44b75fbbb29978c5a978_1_1 | a9218cba681880755a29d32d915980c6de5ed285cdb603a62d0120eb5d00b1d0 |
Coding | codecontest | Write Python code to solve the task.
Devu is a renowned classical singer. He is invited to many big functions/festivals. Recently he was invited to "All World Classical Singing Festival". Other than Devu, comedian Churu was also invited.
Devu has provided organizers a list of the songs and required time for singing th... | Step 1: The problem requires us to find an optimal schedule for a music event featuring Devu and Churu, while following certain conditions.
Step 2: We need to calculate the total time taken by Devu to sing the songs and the total number of jokes Churu can crack.
Step 3: Then we should compare the total time taken b... | 7f44a9489098bc79b5156dbcd2067f29a84a699ecee51b7512f43915da71bf56_1_1 | c07590370b0a931484fc698730ad3a777f112ec395755305f244c4a227d16f3a |
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