task stringclasses 4
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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.
In the country there are n cities and m bidirectional roads between them. Each city has an army. Army of the i-th city consists of ai soldiers. Now soldiers roam. After roaming each soldier has to either stay in his city or to go to the one of neighboring cities by at moving along a... | Step 1: This problem requires determining whether it is possible to allocate soldiers to different cities such that each city has a specific number of soldiers and soldiers can move along roads to other cities.
Step 2: We can use the maximum flow algorithm to solve this problem and allocate the soldiers.
Step 3: Fir... | 337581ab7f31ec14f197d6e647af1adabfea93eab1958f5eaba784c240382dfd_1_1 | 17f5e86e7787077e84fbd69f4dfebad0a5e6416055a0bcaca30e28da672048dd |
Coding | codecontest | Write Python code to solve the task.
The elections to Berland parliament are happening today. Voting is in full swing!
Totally there are n candidates, they are numbered from 1 to n. Based on election results k (1 β€ k β€ n) top candidates will take seats in the parliament.
After the end of the voting the number of vote... | Step 1: The problem requires us to determine the chances of each candidate to be elected to the parliament based on the number of votes they have received and the remaining number of citizens who will vote.
Step 2: We can begin by processing the input data to obtain the number of votes for each candidate and the time... | a7af8befc4a951e843df1bf3613101c76aeb927ffd16d17b94fd4c43f8957567_1_1 | d51ef2a7918f895b8c81c1dc8368dcdbe5021c029b010f413a4b8af48e3256bb |
Coding | codecontest | Write Python code to solve the task.
Monocarp has got two strings s and t having equal length. Both strings consist of lowercase Latin letters "a" and "b".
Monocarp wants to make these two strings s and t equal to each other. He can do the following operation any number of times: choose an index pos_1 in the string s... | Step 1: The code aims to find the minimum number of operations required to make two strings equal and prints the sequence of swap operations or determines if it's impossible to make the strings equal.
Step 2: It utilizes a helper function to partition the swaps into two groups (ab and ba) and count the number of swap... | ed5b281aa62fcf39307a86af4697a084b86480d001539d5876f8e70d5afb4b4f_1_1 | 07a64d02bef523e8a1c8a5590c9a1cafe15979558246a42466cf69fdd242ae04 |
Coding | codecontest | Write Python code to solve the task.
We start with a string s consisting only of the digits 1, 2, or 3. The length of s is denoted by |s|. For each i from 1 to |s|, the i-th character of s is denoted by s_i.
There is one cursor. The cursor's location β is denoted by an integer in \{0, β¦, |s|\}, with the following mea... | Step 1: To solve this problem, we need to come up with a strategy to simulate the given procedure and calculate the length of the resulting string.
Step 2: We are given specific actions (Move, Cut, and Paste) to be applied on the string based on the position of the cursor and clipboard.
Step 3: We need to iterate th... | 6247bb31c3c60b0cbc91630a75d90409506051b5eb7647c65916f6b0a3cdfd47_1_1 | defaabcc406a283817c790f30ed7f349e1b90e7ad45d24fbe5f34d7c52c9dd5c |
Coding | codecontest | Write Python code to solve the task.
You found a useless array a of 2n positive integers. You have realized that you actually don't need this array, so you decided to throw out all elements of a.
It could have been an easy task, but it turned out that you should follow some rules:
1. In the beginning, you select a... | Step 1: The problem involves selecting an initial value for x and performing a series of operations on the array to remove all its elements based on certain rules.
Step 2: We need to select the initial value of x and then perform a sequence of operations to remove all elements from the array.
Step 3: The main functi... | e5ba7f91198d86fd93dbe04514592430c9fb0eba241992bdb528f8dedc59e0e0_1_1 | 8977c3572b70cea5c67e069a41895938dd3e75ba03d9bd2889e9da800597909b |
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 minimum possible answer. In the task Village (Maximum) you are required to find the maximum possible answer. Each task is worth 50 points.
There are N houses in a certain village. A single villager liv... | Step 1: The first step is to read the input and process the roads between houses to create a graph representation.
Step 2: We can use a breadth-first search (BFS) to traverse the graph and build the shortest paths between new and old houses.
Step 3: The longest path in each pair of houses can be modified so that all... | fe836123b19c27dd5d955bb31562266e2dadee26186ca4b283072b862445a725_1_1 | ff97e9eb9a8b56f95c5526988e60c13117632f8436e0b08b5ceff6cd7bbd416d |
Coding | codecontest | Write Python code to solve the task.
Sasha and Kolya decided to get drunk with Coke, again. This time they have k types of Coke. i-th type is characterised by its carbon dioxide concentration <image>. Today, on the party in honour of Sergiy of Vancouver they decided to prepare a glass of Coke with carbon dioxide concen... | Step 1: The problem is asking to calculate the minimal natural number of liters needed to create a glass with a specific carbon dioxide concentration.
Step 2: Let's start by taking the target carbon dioxide concentration and the number of Coke types as input.
Step 3: Then, we need to check if it is possible to achie... | f8bdf158f1a5439b6b476969546e7e722f4e5c7a5cbfbfdb19335084cd98a800_1_1 | 8672276178ad659c3a686b9f25fc2bad7cfde79d21f06cd4af4f28b31c462c04 |
Coding | codecontest | Write Python code to solve the task.
Ramesses knows a lot about problems involving trees (undirected connected graphs without cycles)!
He created a new useful tree decomposition, but he does not know how to construct it, so he asked you for help!
The decomposition is the splitting the edges of the tree in some simple... | Step 1: The problem involves decomposing a tree into simple paths such that each two paths have at least one common vertex and each edge of the tree is included in exactly one path.
Step 2: The first step is to read the input, which contains the number of nodes and the edges of the tree.
Step 3: Next, we need to ana... | 17da998c18d967edfcb929e164958cd4d29e2e22b62de077e131334f694ef30e_1_1 | a19258bfdaa42609cb48625eb7c845283686b9920a57077aaf13aa5172d5f08d |
Coding | codecontest | Write Python code to solve the task.
A state consists of N cities. Some of these cities are connected to each other by one - way roads. The time taken to travel from a particular city to any other city directly connected to it is 1 hour. The entire map of the state will be given. You will be given Q queries, each query... | Step 1: The problem requires us to calculate the number of ways to travel from one city to another within a given time by taking into account the roads connecting the cities.
Step 2: We need to understand how to represent the connections between cities and how to use this information to calculate the number of ways t... | 389c6438e05410b9992a44e669155b000ca83672fa27d76fefa187039e4c51df_1_1 | 9c285dab4ec64b272ce36ab7e6d41667d48764eded89f1c5ec17b3b26e1f1b7e |
Coding | codecontest | Write Python code to solve the task.
Today Johnny wants to increase his contribution. His plan assumes writing n blogs. One blog covers one topic, but one topic can be covered by many blogs. Moreover, some blogs have references to each other. Each pair of blogs that are connected by a reference has to cover different t... | Step 1: To solve this problem, we need to determine the order in which Johnny should write the blogs based on their connected references and the desired topic number.
Step 2: We can use a greedy algorithm to assign topics to the blogs such that each blog has the smallest topic number not covered by its neighbors.
Ste... | 31a0eea16f9fa4bce6a47018469c7a639cfbb7746fc998930a6de2a7db763705_1_1 | 78fad9b389ad085470e50c1bbe45fb94547a19c57b0250dccd6ebaf7d7ac9089 |
Coding | codecontest | Write Python code to solve the task.
The problem uses a simplified TCP/IP address model, please make sure you've read the statement attentively.
Polycarpus has found a job, he is a system administrator. One day he came across n IP addresses. Each IP address is a 32 bit number, represented as a group of four 8-bit numb... | Step 1: To solve this problem, we need to find the subnet mask such that the given IP addresses belong to exactly k distinct networks using the property of the subnet mask.
Step 2: We need to iteratively determine the required subnet mask using binary search.
Step 3: We'll start with some given 32-bit binary number ... | 13839fd860af41ea22a6d58116495f30d2689ad0fc69cf44784fa8e962391c71_1_1 | 6ebbdc9714d5b80b389668907cf11d83a12cb8acceff2b561d7d0c1da3657718 |
Coding | codecontest | Write Python code to solve the task.
You are given four different integer points p_1, p_2, p_3 and p_4 on XY grid.
In one step you can choose one of the points p_i and move it in one of four directions by one. In other words, if you have chosen point p_i = (x, y) you can move it to (x, y + 1), (x, y - 1), (x + 1, y) o... | Step 1: This problem involves finding the minimum number of steps to move the four given points to form a square.
Step 2: To solve this problem, we can iterate through all possible permutations of the four points and calculate the minimum number of steps required for each permutation.
Step 3: We can find the minimum... | d2ef8e8b31269ae4cbd1b9513f182069405dc8d6862d477f5308afcb07769929_1_1 | 323f7484e5efc054bec3563e3f264b16cfeeba601ef707b4f7b3390ffa0bd27c |
Coding | codecontest | Write Python code to solve the task.
A permutation is a sequence of n integers from 1 to n, in which all numbers occur exactly once. For example, [1], [3, 5, 2, 1, 4], [1, 3, 2] are permutations, and [2, 3, 2], [4, 3, 1], [0] are not.
Polycarp was presented with a permutation p of numbers from 1 to n. However, when Po... | Step 1:
The problem deals with transforming an array q according to specific rules back to the lexicographically minimal and maximal permutations that were originally presented to Polycarp. To do this, we need to implement two functions, f and g, to compute the lexicographically minimal and maximal permutations of the... | 867680f8bd9fa00503b36b51df7eedd75ef40b84049cc4a7a43571cd004dec9c_1_1 | 8b412d31da2aa02d693f1b0be96843b87de67f98ff47dac3db9f55ccb9649014 |
Coding | codecontest | Write Python code to solve the task.
There is an old tradition of keeping 4 boxes of candies in the house in Cyberland. The numbers of candies are special if their arithmetic mean, their median and their range are all equal. By definition, for a set {x1, x2, x3, x4} (x1 β€ x2 β€ x3 β€ x4) arithmetic mean is <image>, media... | Step 1: The task wants us to identify if the existing candies inside the 4 - n boxes meet the conditions of having an equal arithmetic mean, median, and range. The implementation should also include determining the missing boxes if a solution exists.
Step 2: The first step is inputting the number of remaining boxes ... | a51b769e9ef67e4c4479eff9b24c7b9f977039367f31e8eca23e53fee39d71b2_1_1 | 0a0a24f1a1665124171e53bb46832c07127b141a7bd137f077fd70b4a99e25d2 |
Coding | codecontest | Write Python code to solve the task.
Tavas is a strange creature. Usually "zzz" comes out of people's mouth while sleeping, but string s of length n comes out from Tavas' mouth instead.
<image>
Today Tavas fell asleep in Malekas' place. While he was sleeping, Malekas did a little process on s. Malekas has a favorite ... | Step 1: The problem requires us to find the number of possible values of a string s, modulo 1000000007, given its length n, the length of a subsequence Malekas wrote down (m), string p, and the subsequence itself.
Step 2: The code initially reads input from the user and processes it into variables n, m, s, and y, whe... | 0a7be0e695625af8ee63bfd394b94688dd8409e4701876f6015b9ae68ad22f2a_1_1 | a6cb60801ebcc1cdcd14e18d7e0386a6d52f7b31c52939bbaa530c7f0a4141f1 |
Coding | codecontest | Write Python code to solve the task.
Author has gone out of the stories about Vasiliy, so here is just a formal task description.
You are given q queries and a multiset A, initially containing only integer 0. There are three types of queries:
1. "+ x" β add integer x to multiset A.
2. "- x" β erase one occurrence... | Step 1: The problem mentions the operations on a multiset of integers which represents the set of operations for given queries.
Step 2: We will use the Trie data structure to maintain the multisets and perform the bitwise operations on the given multiset.
Step 3: By building the Trie, we can insert, delete and searc... | 921ff51544fb3a2fdefcdf73e3a7a4dffc27be4a1f0260a484ff1b944633a058_1_1 | 0ebf8228e8ac62b7f54d0ece52ba1d130499a8a00b69282756c3b4bab63bff20 |
Coding | codecontest | Write Python code to solve the task.
n children are standing in a circle and playing a game. Children's numbers in clockwise order form a permutation a1, a2, ..., an of length n. It is an integer sequence such that each integer from 1 to n appears exactly once in it.
The game consists of m steps. On each step the curr... | Step 1: The problem requires us to restore a possible permutation based on a given sequence of leaders.
Step 2: To solve the problem, we can traverse the sequence of leaders and perform calculations based on their positions and the number of steps they take.
Step 3: We can use a dictionary to keep track of the posi... | c73ddf396d4fb8020f789372a635c53f998ff8aab40b0dc051ef07fb6763b01b_1_1 | 1dfe67f55f0916fb04edb97607fa2fea2513d4b6995c09d8ae832cafcbbe688f |
Coding | codecontest | Write Python code to solve the task.
You are given two positive integer numbers x and y. An array F is called an y-factorization of x iff the following conditions are met:
* There are y elements in F, and all of them are integer numbers;
* <image>.
You have to count the number of pairwise distinct arrays that... | Step 1: The problem asks to find the number of pairwise distinct arrays that are y-factorizations of x, where an array is y-factorization of x if there are y elements with all being integers and with their product being equal to x.
Step 2: We will start by creating utility functions. One of them being 'cnk' to calcul... | 37f4036b4f49080db2cc929b0807d5324a6a4165f9a993e87cb50c2ad27dc133_1_1 | 8d3df34ebc0c5881a0146fe2f66576dced7e579bb0b32366686677209cd8c0d7 |
Coding | codecontest | Write Python code to solve the task.
We start with a permutation a_1, a_2, β¦, a_n and with an empty array b. We apply the following operation k times.
On the i-th iteration, we select an index t_i (1 β€ t_i β€ n-i+1), remove a_{t_i} from the array, and append one of the numbers a_{t_i-1} or a_{t_i+1} (if t_i-1 or t_i+1 ... | Step 1: The problem is asking to calculate the number of possible sequences of indices t_1, t_2, β¦, t_k modulo 998244353.
Step 2: We are given the initial permutation a_1, a_2, β¦, a_n and the resulting array b_1, b_2, β¦, b_k.
Step 3: The goal is to iterate k times and remove an element from array a and append an ele... | b7faafdda1cecaf1b4b7a33df4e544c5c9f50eeddba98fb32f12739dd373f15e_1_1 | df792e203c6417603a68c3544d5b747ebf717e2e5b5262d767115d5aad8d09cb |
Coding | codecontest | Write Python code to solve the task.
The circle line of the Roflanpolis subway has n stations.
There are two parallel routes in the subway. The first one visits stations in order 1 β 2 β β¦ β n β 1 β 2 β β¦ (so the next stop after station x is equal to (x+1) if x < n and 1 otherwise). The second route visits stations in... | Step 1:
The problem deals with determining whether two trains on parallel subway routes with distinct start and finish stations will ever be at the same station at the same time during their journey.
To solve the problem, we need to identify the moments when Daniel and Vlad are at the same station, if any.
We can ach... | 3dc535c4db144a4c92acb8ab72c18adaadc3b8a5ef2f73855a81fdf5a9266908_1_1 | 11942de4af5bb9165b39502d956934a274af0a91f4cec8864c18562b2513ded0 |
Coding | codecontest | Write Python code to solve the task.
Polycarp was given an array of a[1 ... n] of n integers. He can perform the following operation with the array a no more than n times:
* Polycarp selects the index i and adds the value a_i to one of his choice of its neighbors. More formally, Polycarp adds the value of a_i to a_{... | Step 1: The given problem provides two areas where action can be executed.
Step 2: Part 1: We need to understand the logic that Polycarp adds the value a_i to a_{i-1} or to a_{i+1} until all elements become the same
Step 3: Part 2: It asks to calculate the min number of operations needed to make all elements of the ... | b9e0c09518d19ea8d671d4dedca3a787cf18b0f94c2bf1aa3bd0506f98d12943_1_1 | f7e4269e12d37ebbca43b3869862f7fc3f61fec48f035fac023ae247e61b3c1c |
Coding | codecontest | Write Python code to solve the task.
Fifa and Fafa are sharing a flat. Fifa loves video games and wants to download a new soccer game. Unfortunately, Fafa heavily uses the internet which consumes the quota. Fifa can access the internet through his Wi-Fi access point. This access point can be accessed within a range of ... | Step 1: To solve this problem, we need to compute the position and the radius of the access point chosen by Fifa for his WiFi access.
Step 2: The solution should minimize the uncovered area in the flat.
Step 3: We also need to consider the position of Fafa's laptop as well as the radius of the flat and the access ... | 9a37a97eda1729e7328226c3e623872638f56eba5ad845c3c6a54cb45f7c0cfc_1_1 | 7b08e902a5f48f143ee006edd5ce8cf1e9c1ddf533357177ef6b82399097ec40 |
Coding | codecontest | Write Python code to solve the task.
Takahashi is at an all-you-can-eat restaurant.
The restaurant offers N kinds of dishes. It takes A_i minutes to eat the i-th dish, whose deliciousness is B_i.
The restaurant has the following rules:
* You can only order one dish at a time. The dish ordered will be immediately ser... | Step 1: The problem is asking us to find the maximum possible happiness Takahashi can achieve by making optimal choices when ordering dishes at a restaurant.
Step 2: To solve this problem, we'll need to iterate through the dishes and the time available. We can use dynamic programming to keep track of the maximum happ... | bb9e35b051cb392b6683fe5a01da7260f9d9d46a34ab04d3aaf408077e743c66_1_1 | c504c812f994acfe1156c8cfb93a64b6c19d6bf9257adc1c92174a4c8581f11d |
Coding | codecontest | Write Python code to solve the task.
Vasya used to be an accountant before the war began and he is one of the few who knows how to operate a computer, so he was assigned as the programmer.
We all know that programs often store sets of integers. For example, if we have a problem about a weighted directed graph, its edg... | Step 1: The problem can be solved by processing the provided words said by Gena to generate a valid type format of the X-- language.
Step 2: We can start by mapping the given words to the appropriate integer value, where "pair" is mapped to 2 and "int" is mapped to 1.
Step 3: Once the words have been mapped, we then... | 35fab6052ff2fb64d5fd16e560952323f5fbee84a910cbe0a1bc730d6ef4e448_1_1 | d6fdf918ed88f878c0e8baa0d19cab053501bba9b6a8f4ed98b9494329522f2d |
Coding | codecontest | Write Python code to solve the task.
You are given an array consisting of n non-negative integers a1, a2, ..., an.
You are going to destroy integers in the array one by one. Thus, you are given the permutation of integers from 1 to n defining the order elements of the array are destroyed.
After each element is destro... | Step 1: The main goal of this problem is to calculate the maximum possible sum of elements in a segment of the array after each element is destroyed in a specific order.
Step 2: We're given the permutation of integers from 1 to n, defining the order of destruction of elements, and we need to update the segment with t... | 8e33f25a2cda29f7ac730020977ee7dc4e45da0f7835939e9b946510fb46f807_1_1 | 844bf101cd25c03e35bf38399db73e81c07db802ee9f9ac8205e865cf021b1ff |
Coding | codecontest | Write Python code to solve the task.
Sereja and Dima play the game. The rules are as follows:
Initially, there are n cards on the table, each card has a positive integer written on it.
At the beginning Sereja writes down the number 0 on the sheet of paper.
Then players pick cards from the table alternately. When a play... | Step 1: The problem requires implementing two functions to calculate the probability of Sereja's victory under different conditions.
Step 2: The first function should return the probability of Sereja's victory when both players play optimally, and the second function should return the probability when both players ma... | e157a81d09bce46bf6387aad734267b536a77e3aba306664a7c4cc550546b0b8_1_1 | 382ce425a46d521052f0cfdcde7c9732e1a338ea2c4c2a866d00378693a838b5 |
Coding | codecontest | Write Python code to solve the task.
People do many crazy things to stand out in a crowd. Some of them dance, some learn by heart rules of Russian language, some try to become an outstanding competitive programmers, while others collect funny math objects.
Alis is among these collectors. Right now she wants to get one... | Step 1: The goal of the problem is to generate a k-special table, given the size of the table and the column number (k) where the sum of numbers should be maximum.
Step 2: We need to compute the sum of numbers in the k-th column of the table first.
Step 3: Then, we need to generate the numbers for each cell in the t... | 87a5e0a14caf825b0dcb32107688a4bdc193ca14e234791a319ac035a1d1452e_1_1 | 1b4a5122ec168d803c1a4f5d81709bc57a3d57ea6a0fc368e266bf017c50ec13 |
Coding | codecontest | Write Python code to solve the task.
Baby Ehab was toying around with arrays. He has an array a of length n. He defines an array to be good if there's no way to partition it into 2 subsequences such that the sum of the elements in the first is equal to the sum of the elements in the second. Now he wants to remove the m... | Step 1: To solve this problem, we first need to understand the condition for an array to be good. We need to check if there is no way to partition the array into 2 subsequences such that the sum of the elements in the first is equal to the sum of the elements in the second. This requires analyzing the sum of the array... | cfff3a8a2d243578438e22ad3d6a4cadbebb20b59f7c1b0983e893b9807a4e2a_1_1 | 148304db69667c1753f2b095c3a6ce5396cb7e8afc656e192c8699cc251e5a16 |
Coding | codecontest | Write Python code to solve the task.
Little penguin Polo adores strings. But most of all he adores strings of length n.
One day he wanted to find a string that meets the following conditions:
1. The string consists of n lowercase English letters (that is, the string's length equals n), exactly k of these letters ar... | Step 1: To solve this problem, we need to find the lexicographically smallest string that satisfies the given conditions.
Step 2: First, we can check special cases such as when k is greater than n, k is 1, or k is 2.
Step 3: For other values of k, we can construct the required string by choosing the appropriate le... | 89def7efd4af627631cae1a4c4c84717799d83c96a1a7720096569fa5bbb8f5d_1_1 | 98d23bf28250be0446ec9c17ee529e50e896c78ad0d518f4762c49db93f612a0 |
Coding | codecontest | Write Python code to solve the task.
The Looksery company, consisting of n staff members, is planning another big party. Every employee has his phone number and the phone numbers of his friends in the phone book. Everyone who comes to the party, sends messages to his contacts about how cool it is. At the same time ever... | Step 1: The overall goal is to help Max in determining which employees should come to the party so that Igor loses the dispute.
Step 2: To do this, we need to analyze the contact lists of the employees, and match it with the number of messages each employee should receive according to Igor.
Step 3: We can use the nu... | 5f4ad72193031e1f3252420493e8cdd8aa57e659d9abf7f38792b6c527f7355c_1_1 | 04a50ac41347599dd30da7cef222f9e8457a09316f61b9c14fa8fab51b8654bb |
Coding | codecontest | Write Python code to solve the task.
A permutation of length k is a sequence of k integers from 1 to k containing each integer exactly once. For example, the sequence [3, 1, 2] is a permutation of length 3.
When Neko was five, he thought of an array a of n positive integers and a permutation p of length n - 1. Then, h... | Step 1: The problem involves constructing two arrays a and p based on the input arrays b' and c'.
Step 2: We can start by reading the input which provides the length of array a.
Step 3: Then, we iterate through the input arrays b' and c' and perform the necessary operations to recover any possible array a and permu... | 96fcfebb1f54a4f05d26e549c8f56afbbc583d866ce414b2029dd5d2b6d615a5_1_1 | 2daf6d2487713cc4cd438724636ecca17906f14c5090e415a6cc9712722b666e |
Coding | codecontest | Write Python code to solve the task.
Little Petya likes to play very much. And most of all he likes to play the following game:
He is given a sequence of N integer numbers. At each step it is allowed to increase the value of any number by 1 or to decrease it by 1. The goal of the game is to make the sequence non-decre... | Step 1: The problem involves finding the minimum number of steps required to make a sequence of numbers non-decreasing by increasing or decreasing the value of the numbers.
Step 2: We can start by reading the input values provided for the length of the initial sequence and the elements of the sequence.
Step 3: We ca... | 449e9d37da3c0eda89702ca57b169b6cd3e1de18ff32a2ea149845874e2cf301_1_1 | b2ba1fdffbefc00a32b66dc42cc772f2eee65b914964a2fb23ee921f1b2de6fa |
Coding | codecontest | Write Python code to solve the task.
A non-empty string s is called binary, if it consists only of characters "0" and "1". Let's number the characters of binary string s from 1 to the string's length and let's denote the i-th character in string s as si.
Binary string s with length n is periodical, if there is an inte... | Step 1: To solve this problem, we are given a specific set of binary strings and need to determine how many periodic numbers fall within a given range.
Step 2: We need to identify the periodic numbers within the given range by checking if they fulfill the periodic conditions using a given 'estP' function.
Step 3: If... | e939325a75cebbc4f23a83aa29c6a24a2523b2e5f8465c3b98458371e5686597_1_1 | 13c06aedbd01a01875aebee3e58c6a097fa45bc8cd947932b2d4b0c0fef18b6e |
Coding | codecontest | Write Python code to solve the task.
Simon has a rectangular table consisting of n rows and m columns. Simon numbered the rows of the table from top to bottom starting from one and the columns β from left to right starting from one. We'll represent the cell on the x-th row and the y-th column as a pair of numbers (x, y... | Step 1: To solve this problem, we need to determine the minimum number of operations needed to color all cells of the table given a good cell and its distance from the corners of the table.
Step 2: We can iterate through each good cell and its distance from the corners and calculate the minimum distance. Then we can ... | 712e1cdf0ab36a4dd38c5e5d595e6bc1687ac26e565bf2848181f89cdff7e403_1_1 | 4bd19821ae46101e146385433c0d4ff56ea22f57d4172bcdee7acb5aa93ec94f |
Coding | codecontest | Write Python code to solve the task.
You are given n distinct points on a plane with integral coordinates. For each point you can either draw a vertical line through it, draw a horizontal line through it, or do nothing.
You consider several coinciding straight lines as a single one. How many distinct pictures you can ... | Step 1: The problem requires the number of possible unique pictures given n distinct points on a plane with integral coordinates.
Step 2: To solve this, we can first determine the ways the distinct points can be connected using either horizontal or vertical lines.
Step 3: We can use Disjoint Set Union (DSU) to conn... | 9078a490689023712dcfc48991a80dc2315c6d291ab6df30b613b74fbb56a70e_1_1 | 219d5545f412becdbbc0258cbfae5b192fff2406a99aab995a9f6c233deee146 |
Coding | codecontest | Write Python code to solve the task.
Masha has n types of tiles of size 2 Γ 2. Each cell of the tile contains one integer. Masha has an infinite number of tiles of each type.
Masha decides to construct the square of size m Γ m consisting of the given tiles. This square also has to be a symmetric with respect to the ma... | Step 1: To solve this problem, we can start by reading the input data and processing each test case.
Step 2: For each test case, we need to check if Masha can construct the specified square of size m Γ m, which is a symmetric matrix based on the given tiles.
Step 3: To achieve this, we need to consider the condition... | 8a5ce467eec3d0f22c1c068342a0917f3113e1b0e0bfcba260cab0ab64b46fcd_1_1 | bd2644a0a4a2eae9979ac5d3843fb034977a420fd91b7cf9d49b366ae4ad9e47 |
Coding | codecontest | Write Python code to solve the task.
Let's say you are standing on the XY-plane at point (0, 0) and you want to reach point (n, n).
You can move only in two directions:
* to the right, i. e. horizontally and in the direction that increase your x coordinate,
* or up, i. e. vertically and in the direction that in... | Step 1: The problem requires finding the minimum cost path from (0, 0) to (n, n) with at most n alternating segments.
Step 2: We can divide the problem into subproblems by considering the cost of horizontal and vertical segments separately.
Step 3: We can iterate through each segment of the path and calculate the mi... | 9819f58694e3d6ac52ae82e75aecb656109ddac6b241cd7dcd70c7d9834f092b_1_1 | bbb70a123025d3ec50e3b839e6cc8d88673dceaed543937af52d6593b41e342b |
Coding | codecontest | Write Python code to solve the task.
The problem uses a simplified TCP/IP address model, please read the statement carefully.
An IP address is a 32-bit integer, represented as a group of four decimal 8-bit integers (without leading zeroes), separated by commas. For example, record 0.255.1.123 shows a correct IP addres... | Step 1: This problem involves generating all permutations of a given set of digits and finding valid IP addresses.
Step 2: To achieve this, we need to first generate all permutations of the given set of digits and then check if each permutation forms a valid IP address.
Step 3: We also need to consider the condition... | e0ee4327f43027aea288086b28eec8bba20b06058945d2d64472a38278c7e8b7_1_1 | 6ac11ffbc30f24cf777b802530eaaf770d46396c93ba3d9f92909bcb50b136d1 |
Coding | codecontest | Write Python code to solve the task.
Everybody knows what an arithmetic progression is. Let us remind you just in case that an arithmetic progression is such sequence of numbers a1, a2, ..., an of length n, that the following condition fulfills:
a2 - a1 = a3 - a2 = a4 - a3 = ... = ai + 1 - ai = ... = an - an - 1.
Fo... | Step 1: The problem is to find all the integers that Arthur can write on a card such that Alexander can use the resulting n + 1 cards to make an arithmetic progression.
Step 2: In this case, we need to check different conditions and cases based on the input sequence of integers to determine which numbers Arthur can w... | 93344b220f5b91baaa34b6dfd6b512b2e8755f3ebf4bd1d45b29cf5600f71d7e_1_1 | b96400bf66f1a8c48890b6dfe92d8554dab9985b9137db05e2c4c80255cbb4dc |
Coding | codecontest | Write Python code to solve the task.
Let N be a positive integer. You are given a string s of length N - 1, consisting of `<` and `>`.
Find the number of permutations (p_1, p_2, \ldots, p_N) of (1, 2, \ldots, N) that satisfy the following condition, modulo 10^9 + 7:
* For each i (1 \leq i \leq N - 1), p_i < p_{i + 1}... | Step 1: To solve this problem, we need to find the number of permutations of (1, 2, ..., N) that satisfy the given condition based on the input string s.
Step 2: We can use dynamic programming to solve this problem, where we iterate through the characters of the input string and calculate the number of permutations t... | c1a6d50529897c768bbfab2718fb5b1fea853896df5aeb26554083b2e8fbd506_1_1 | e10553d4a18c16ba2ead049a624dd9ddc9db3b9151a4471608471b1f8ba0f51e |
Coding | codecontest | Write Python code to solve the task.
One day, Ikta, an elementary school student, received a piece of paper with mathematical formulas from his grandfather. Apparently, the grandfather will give you as much money as the answer to the formula. Ikta has only learned addition, subtraction, and multiplication, so only addi... | Step 1: The problem involves changing the precedence of addition, subtraction, and multiplication operators to maximize the calculation result of a formula.
Step 2: To solve this problem, we need to implement a function to calculate the maximum result given a formula and different operator precedences.
Step 3: We al... | 75996959fba45847462b1399688c52ee6bca6a401ffd93a5a6f76c2ba3d72121_1_1 | cfbf78ae46c72473b364237fd1276e0fd0e4283ba77b5dfc8c6ca322d9fea4d6 |
Coding | codecontest | Write Python code to solve the task.
Logical quantifiers are very useful tools for expressing claims about a set. For this problem, let's focus on the set of real numbers specifically. The set of real numbers includes zero and negatives. There are two kinds of quantifiers: universal (β) and existential (β). You can rea... | Step 1: The given formula has m inequalities involving n variables, and the task is to assign universal or existential quantifiers to the variables to make the formula true.
Step 2: The quantifiers should be assigned to maximize the number of universal quantifiers.
Step 3: To solve this problem, we can represent t... | e6b944f5e175394d8e6846e20cd8ece67a5d7c9a103ee0e56e4cc2bdbc5752e2_1_1 | a6e2d53cacba31dc7152f66b1e479660eea492b2a9daa3607fc1e94b0669f868 |
Coding | codecontest | Write Python code to solve the task.
Berland scientists noticed long ago that the world around them depends on Berland population. Due to persistent research in this area the scientists managed to find out that the Berland chronology starts from the moment when the first two people came to that land (it is considered t... | Step 1: The goal is to find if there could be a year in which the total population of the country equals a given number A and to find the number of residents apart from the given A value.
Step 2: We first need to calculate the years when the population could equal A and then find the number of residents for those yea... | b9c05f0302dd7fb92dfaa2ff37d33b6b99013cc2c366db97847580bdda93ce09_1_1 | 9d6dc5f3966e4b6ba80b8b05a236ec31dde51b496282c5913b13826776dfaa9c |
Coding | codecontest | Write Python code to solve the task.
Under the command "Save Sergeant Ryan," Aiz's rescue team fought fierce battles with enemy forces in the floating city of Lee, Germany. They successfully joined the sergeant, but there were many enemy tanks and they could not call a rescue herio. So, in order to confuse the enemy ta... | Step 1: To solve this problem, we need to understand how the number of islands and bridges affect the minimum time to blow up all the bridges.
Step 2: We should also analyze how the time to cross each bridge can be used to determine the minimum time required for the rescue unit to blow up all the bridges.
Step 3: We... | 03630d16675f655a7585407c130f1e27baf355548d701d89a979f6325da65d5b_1_1 | 9e484a7fc937517129254ff39dadf98d684ed61e9a15a230b0903e87f0262d3e |
Coding | codecontest | Write Python code to solve the task.
The only difference between easy and hard versions is the constraints.
Polycarp has to write a coursework. The coursework consists of m pages.
Polycarp also has n cups of coffee. The coffee in the i-th cup has a_i caffeine in it. Polycarp can drink some cups of coffee (each one no... | Step 1: The proposed solution uses a binary search algorithm to find the minimum number of days required for Polycarp to finish his coursework.
Step 2: It first checks if the sum of caffeine levels in all cups is less than the number of pages in the coursework. If it is, then it is impossible to write the coursework... | 058567984c2effa64628a657f38034a8da5d951f738010c014d29adc5ef8543d_1_1 | 37f6041b449f173a80373ab5f29de03c3623c2e3840d7a954b5ea209b0b69dc6 |
Coding | codecontest | Write Python code to solve the task.
Mahesh got a beautiful array named A as a birthday gift from his beautiful girlfriend Namratha. There are N positive integers in that array. Mahesh loved the array so much that he started to spend a lot of time on it everyday. One day, he wrote down all possible subsets of the array... | Step 1: The problem requires us to find the original array A given the subset sums in the input. Step 2: The sum of the entire array A will be the sum of all the subset sums.Step 3: We can use the heapq module to help us reconstruct the original array.Step 4: Our final output will be a non-decreasing array A.Step 5... | 15a3dc30d11a5e757634c78e01c70d4d97b31e8e7136ae708851848af396381e_1_1 | 092da9696c3d734bff90c4deabbe7b14867f18d5e61ea8a7ee2e87dabea11a19 |
Coding | codecontest | Write Python code to solve the task.
The city is full of ghosts, something the average person doesn't know about. Most of them are harmless, but the trouble is that there are quite a few evil spirits that curse people.
There was a girl who fought against such evil spirits. She goes to high school with a faceless face ... | Step 1: The problem involves navigating a grid and keeping track of the positions of the girl and a ghost, as well as their respective movements. There is also a mechanism for the ghost's behavior based on a given code. The goal is to find the earliest time and place where the girl and ghosts can meet, using the ghost... | 70b269c29c50eab1aaae33e7fb3610e67e30882fbec33772b9f7bee7801f8689_1_1 | 52b9c283fe4b31967318987e30d7a61fd1e8e6258a18ede11ee02312ebd245ef |
Coding | codecontest | Write Python code to solve the task.
The Old City is a rectangular city represented as an m Γ n grid of blocks. This city contains many buildings, straight two-way streets and junctions. Each junction and each building is exactly one block. All the streets have width of one block and are either vertical or horizontal. ... | Step 1: To solve this problem, we will implement an algorithm that simulates the movement of the Old Peykan in the city.Step 2: We need to parse the input to obtain the city's map, the time required to pass through each block, the initial and final positions, and the sequence of junctions to traverse.Step 3: We then... | 5e8d05c7aa1c50a1c940286512594828cb54354e93e3103c9b501404eff7a7c5_1_1 | a1357898633014dd1e1c8321c79eed78bc5c28d50dea7b78a413df60bcfcaa5f |
Coding | codecontest | Write Python code to solve the task.
Cat Furrier Transform is a popular algorithm among cat programmers to create longcats. As one of the greatest cat programmers ever exist, Neko wants to utilize this algorithm to create the perfect longcat.
Assume that we have a cat with a number x. A perfect longcat is a cat with a... | Step 1: The goal of this problem is to determine the operations required to transform a given number into a perfect longcat using the Cat Furrier Transform. This involves operations of two types: Operation A and Operation B. Operation A involves replacing x with x β (2^n - 1) using the bitwise XOR operator, and Operati... | ec0f47caaeb758e50cec53ddaa3b4a8ff8525abf2c95407a217b09f905ebd042_1_1 | f770cd5cc5580f2aaf12fa98888115fe6083000bc588c8708591121491a20947 |
Coding | codecontest | Write Python code to solve the task.
Roy is the owner of a flower plant farm and sells flower plants for a living.
Now the problem with flower plants is that they wither in a night if not taken care of. So at the end of the day, to make flower plants wither-resistant Roy uses special fertilizers.
There are N number... | Step 1: To solve this problem, we need to maximize the total money Roy has after selling the plants on the next day.Step 2: We can think of this problem as a dynamic programming problem, where we need to calculate the maximum profit Roy could gain by selling the plants.Step 3: First, we need to find the maximum prof... | a5a4546180a0c1454a542c4c66304e9f93b7567d3d8d5a8f406991857c18486d_1_1 | cc82ec42a92a7d6c9e2eb08233c690b4f1c0f1bf385d0c77cdb5ce7ec5188dce |
Coding | codecontest | Write Python code to solve the task.
Given an integer N, find two permutations:
1. Permutation p of numbers from 1 to N such that pi β i and pi & i = 0 for all i = 1, 2, ..., N.
2. Permutation q of numbers from 1 to N such that qi β i and qi & i β 0 for all i = 1, 2, ..., N.
& is the [bitwise AND operation](h... | Step 1: The problems asks to find two permutations satisfying different conditions based on the index and bitwise AND operation.Step 2: We should begin by understanding the conditions for each permutation as specified in the problem.Step 3: We need to find two permutations fulfilling the given conditions for a given... | 1c457fea324b477103a046cbc8172193c8abcb38ebf150cced5faef72626bc53_1_1 | ec68edd65961684985ab528a023afd2fd56f12c5cd360dbb0b231cda7b257665 |
Coding | codecontest | Write Python code to solve the task.
Mr Keks is a typical white-collar in Byteland.
He has a bookshelf in his office with some books on it, each book has an integer positive price.
Mr Keks defines the value of a shelf as the sum of books prices on it.
Miraculously, Mr Keks was promoted and now he is moving into a n... | Step 1: The problem description is a bit complex and requires understanding bit manipulation to solve. Step 2: We need to optimize the arrangement of books on k shelves to maximize the bitwise AND value of the shelves.Step 3: We will likely need to implement some helper functions to calculate values and check differ... | 948163087863daa7b78a7e48648abe6d75504b2db9c96690299f2fba795233be_1_1 | eccb35287a6129e609fe6e86df61ada9b635a408bc2e8abe9d47173318277271 |
Coding | codecontest | Write Python code to solve the task.
You are given three integers n, k, m and m conditions (l_1, r_1, x_1), (l_2, r_2, x_2), ..., (l_m, r_m, x_m).
Calculate the number of distinct arrays a, consisting of n integers such that:
* 0 β€ a_i < 2^k for each 1 β€ i β€ n;
* bitwise AND of numbers a[l_i] \& a[l_i + 1] \& .... | Step 1: The given code uses dynamic programming and bitwise manipulation to calculate the number of distinct arrays satisfying certain conditions.Step 2: It uses the values of n, k, and m to read the input, and then manipulates the arrays to determine the number of distinct arrays.Step 3: The function utilizes vario... | 84d7d3e86d38b6f9547aaa4f8676ac37522c0f1319e11e467257c8a9889c7999_1_1 | 74c32a746be4a7a521a7008ab24f3c9f1b67147956e7a523baa120178494c035 |
Coding | codecontest | Write Python code to solve the task.
Ehab has an array a of n integers. He likes the [bitwise-xor operation](https://en.wikipedia.org/wiki/Bitwise_operation#XOR) and he likes to bother Mahmoud so he came up with a problem. He gave Mahmoud q queries. In each of them, he gave Mahmoud 2 integers l and x, and asked him to ... | Step 1: To solve this problem, we need to calculate the number of subsequences of the first l elements of the array such that their bitwise-xor sum is x for each query.Step 2: We can preprocess the array to store the bitwise xor sums of each subsequence and then use this information to quickly answer the queries.Step... | 649193340499da357a49a94a1e1edda563531688fd9acf49e3672a50b33ffec5_1_1 | 395117e12b3d6492f4a47f1ccd3191effce76352f1014fb9df64c19e8afc742f |
Coding | codecontest | Write Python code to solve the task.
The neutral city of Eyes City, in the heart of the four countries, is home to the transcontinental train Bandai. The platform has a row of chairs for passengers waiting for the Bandai, and people who enter the platform can use the chairs freely.
The Bandai is cheap, fast and comfor... | Step 1: We need to create a function to determine the seating position of passengers based on their nationality and the available chairs.Step 2: We can create separate functions for each nationality to handle their seating preferences.Step 3: Then we can iterate through the passengers and assign them a seat based on... | 7cd9140b1f432cc62a1e51f6541a0631243deb7d708b82dff8cd3351e65f321b_1_1 | 9a03a88dc1e94640c4c3c348992f8f4cb144ab2e2b14628fa53ae6749c52a89b |
Coding | codecontest | Write Python code to solve the task.
Digory Kirke and Polly Plummer are two kids living next door to each other. The attics of the two houses are connected to each other through a passage. Digory's Uncle Andrew has been secretly doing strange things in the attic of his house, and he always ensures that the room is lock... | Step 1: We need to find the minimum number of days it will take Digory and Polly to cross the passageway.Step 2: We can start by identifying the gaps in the passage where they need to jump longer distances than they are currently able to.Step 3: We need to keep track of the maximum jump length they need to learn at ... | e532e03f47235fa09370ba50d8bc5ec33d01d1313a527e9fe1488d7cea06b86a_1_1 | a554624ba2581095d347bed71931d2dda2e6c74f2ea52e9c9fd4fe072e07ebc2 |
Coding | codecontest | Write Python code to solve the task.
Deciphering Characters
Image data which are left by a mysterious syndicate were discovered. You are requested to analyze the data. The syndicate members used characters invented independently. A binary image corresponds to one character written in black ink on white paper.
Althoug... | Step 1: We need to compare two images and determine if they represent the same character based on certain conditions described.Step 2: We should start by understanding the problem, including the conditions for two images representing the same character.Step 3: Afterwards, we can develop a plan to implement a solutio... | 6fb47cae471a1fb27b963f075c18b61baaaf6e556264dbcb5baaf90821d4bb0d_1_1 | 0ee27f41e5f8bafd23f8e524b607dfdad74bcccc16de681ad1111f9a9a2d3957 |
Coding | codecontest | Write Python code to solve the task.
Olya loves energy drinks. She loves them so much that her room is full of empty cans from energy drinks.
Formally, her room can be represented as a field of n Γ m cells, each cell of which is empty or littered with cans.
Olya drank a lot of energy drink, so now she can run k meter... | Step 1: We need to find the shortest path from the starting cell to the ending cell, considering Olya's speed and the obstacles in the room.Step 2: We can use a depth-first search or breadth-first search algorithm to find the shortest path.Step 3: We should also check if it's possible to reach the ending cell, consi... | 4ba4dbe55f640cc4da837dbcd81552822b225c6967e38a95affb00c1c7c41c92_1_1 | b10a5526c513576eb6f1692f31c0fa0a042486c00a16a25d7887585f678238bc |
Coding | codecontest | Write Python code to solve the task.
Given two numbers A and B. Find the value of pair (P,Q) such that A β€ P < Q β€ B value of P AND Q is maximum where AND is a binary operator. Refer to this link for more information about AND operator : http://en.wikipedia.org/wiki/Bitwise_operation#AND
Input:
First line of input co... | Step 1: We need to find the maximum value of P AND Q between two given numbers A and B.Step 2: The bitwise AND operator returns a 1 in each bit position for which the corresponding bits of both operands are 1.Step 3: To find the value of P and Q such that A β€ P < Q β€ B and the value of P AND Q is maximum, we can use... | 1bf1bc7660d7306c870ac5ca6ea94ff47019e68fe6fd89f1a370937c6684e3d8_1_1 | 3297a046351cd116203e49b01bad2dcf29feec4e71d6ee4fe1d83899a12c21f6 |
Coding | codecontest | Write Python code to solve the task.
Recently, Chef got obsessed with piano. He is a just a rookie in this stuff and can not move his fingers from one key to other fast enough. He discovered that the best way to train finger speed is to play scales.
There are different kinds of scales which are divided on the basis of ... | Step 1: We need to calculate the number of different plays that can be performed based on the given pattern and number of octaves.Step 2: We can start by understanding the pattern and how it translates to playing the keys on the piano.Step 3: Then we need to find a way to calculate the number of different plays base... | 39c740b420e43c58c3b43ba875937c17d28424dc336a423833d0fb62d52a1d66_1_1 | 1581cbf96ddbb9a63efe7442c141d19f68b153cabc5196fa04c77f6e4477dc35 |
Coding | codecontest | Write Python code to solve the task.
PIET's EC department students are working on a set of conductors to create a circuit with maximum resistance.
The simplest circuit consists of a single conductor (i.e., a single piece of wire). Each such circuit is labeled using the string "X".
Students are using two different way... | Step 1: There are different types of circuits, type A and type B, constructed from the combination of simpler circuits. To calculate the largest possible resistance of the constructed circuit, we need to follow the description provided.Step 2: We are given circuit labels and a list of resistances. We need to parse th... | e8eeffb20ee2a5458e3294c54da95685588ba71b5c286fb1e2c5b8bb11e54015_1_1 | 7188867a5cdc6bbf5f384e483b213dc9313d71b75fe44dbcf725541cbe4b338d |
Coding | codecontest | Write Python code to solve the task.
Student Dima from Kremland has a matrix a of size n Γ m filled with non-negative integers.
He wants to select exactly one integer from each row of the matrix so that the bitwise exclusive OR of the selected integers is strictly greater than zero. Help him!
Formally, he wants to ch... | Step 1: The problem has several parts:Step 2: 1. Parse the input to read in the size of the matrix and the matrix itself.Step 3: 2. Check if there's a way to choose one integer from each row so that their bitwise exclusive OR is strictly greater than zero.Step 4: 3. If there is a way, output "TAK" with the selected... | db09c109b29f570087bf1a10351efae007b886116fd0709b044d836e161f2d1a_1_1 | ccb41d23aaa4068a8db3bf0f4a74c006c09866b404893fd5c25b1a18a3c7b06c |
Coding | codecontest | Write Python code to solve the task.
There are M males and F females arranged in a circle. Starting from a given point, you count clockwise and remove the K'th person from the circle (where K=1 is the person at the current point, K=2 is the next person in the clockwise direction, etc...). After removing that person, th... | Step 1: To solve this problem, we need to simulate the process of removing people from the circle and updating the arrangement.Step 2: We can use a function to determine the new index after removing a person from the circle.Step 3: Then we can iterate through the required number of rounds and remove the necessary pe... | 36666e63eac3a1da62f5e451dd9c9271b01be54ec4a59ef37b1a6916b4cac684_1_1 | 81dc320ccbc473a70127d71585ba10d6dcc90776d7cb76e8452981bf10265c09 |
Coding | codecontest | Write Python code to solve the task.
You are given q queries in the following form:
Given three integers l_i, r_i and d_i, find minimum positive integer x_i such that it is divisible by d_i and it does not belong to the segment [l_i, r_i].
Can you answer all the queries?
Recall that a number x belongs to segment [l,... | Step 1: To solve this problem, we need to break down the process into several steps.
Step 2: Firstly, we need to run a loop for the number of times specified by the input, which means we need to iterate through each query.
Step 3: Then, for each query, we take the inputs for l, r, and d, and calculate the minimum po... | 92b68605f3c26aedd65c19082ee047da3ff7b9ebadb2581a1e5dcb8c9b676a95_5_1 | fd3a73ff139998efeb333008518e1141c096dc73fb091c2d55ed449ae2a8fe37 |
Coding | codecontest | Write Python code to solve the task.
You are given q queries in the following form:
Given three integers l_i, r_i and d_i, find minimum positive integer x_i such that it is divisible by d_i and it does not belong to the segment [l_i, r_i].
Can you answer all the queries?
Recall that a number x belongs to segment [l,... | Step 1: To solve this problem, we need to break down it into several steps.
Step 2: Firstly, run a loop for the specified number of times by the input, so we can process multiple queries.
Step 3: Then, take inputs for l, r, and d for each query, and assign the value of d to x.
Step 4: Next, we need to check if x is... | 2db85b741d9ad8e7583f9b87c673ed134d9b524aa218b2d4a03cd44fb798539f_5_1 | fd3a73ff139998efeb333008518e1141c096dc73fb091c2d55ed449ae2a8fe37 |
Coding | codecontest | Write Python code to solve the task.
You are given q queries in the following form:
Given three integers l_i, r_i and d_i, find minimum positive integer x_i such that it is divisible by d_i and it does not belong to the segment [l_i, r_i].
Can you answer all the queries?
Recall that a number x belongs to segment [l,... | Step 1: To solve this problem, we need to break it down into several steps.
Step 2: Firstly, we take the input value for q, which represents the number of queries.
Step 3: Then, we iterate over the range of q, for each query, we take input values for l, r, and d.
Step 4: After that, we need to check if d is less th... | 8bf70ad7a9c67416156425f1699bb4f0d21588ea851645b91bf1fa26049e1ff4_5_1 | fd3a73ff139998efeb333008518e1141c096dc73fb091c2d55ed449ae2a8fe37 |
Coding | codecontest | Write Python code to solve the task.
You are given q queries in the following form:
Given three integers l_i, r_i and d_i, find minimum positive integer x_i such that it is divisible by d_i and it does not belong to the segment [l_i, r_i].
Can you answer all the queries?
Recall that a number x belongs to segment [l,... | Step 1: To solve this problem, we can break down the problem into several steps.
Step 2: Firstly, we need to iterate for a given number of times, taking inputs for l, r, and d.
Step 3: Then, we need to check if d is less than l, if it is, we print d, otherwise, we perform some calculations and print the result.
Step... | 89afc67194b05a018bc1aea1dc54d25698c69e5ae0f20cd05bdf58151b19e606_5_1 | fd3a73ff139998efeb333008518e1141c096dc73fb091c2d55ed449ae2a8fe37 |
Coding | codecontest | Write Python code to solve the task.
You are given q queries in the following form:
Given three integers l_i, r_i and d_i, find minimum positive integer x_i such that it is divisible by d_i and it does not belong to the segment [l_i, r_i].
Can you answer all the queries?
Recall that a number x belongs to segment [l,... | Step 1: To solve this problem, we should have a clear understanding of the requirements for each query and then devise a method to perform the operations accordingly.
Step 2: Firstly, for each query, we need to extract the values of l, r, and d to understand the range and the divisible number.
Step 3: Then, we need ... | cbbbf6592736c5d2c6b0a978156bd109345a1b1ea265e61150ea5aa9fba8dd1d_5_1 | fd3a73ff139998efeb333008518e1141c096dc73fb091c2d55ed449ae2a8fe37 |
Coding | codecontest | Write Python code to solve the task.
You are given q queries in the following form:
Given three integers l_i, r_i and d_i, find minimum positive integer x_i such that it is divisible by d_i and it does not belong to the segment [l_i, r_i].
Can you answer all the queries?
Recall that a number x belongs to segment [l,... | Step 1: To solve this problem, we need to iterate through the given number of queries and for each query, take inputs for l, r, and d.
Step 2: Then, we need to check if d is less than l, if so, we should print d. Otherwise, we need to perform some calculations and print the result.
Step 3: To perform the calculatio... | 5eb94dc0a66d5b13fc3f2daf681b114e415dcffea013b26695d91444f36f3835_5_1 | fd3a73ff139998efeb333008518e1141c096dc73fb091c2d55ed449ae2a8fe37 |
Coding | codecontest | Write Python code to solve the task.
You are given q queries in the following form:
Given three integers l_i, r_i and d_i, find minimum positive integer x_i such that it is divisible by d_i and it does not belong to the segment [l_i, r_i].
Can you answer all the queries?
Recall that a number x belongs to segment [l,... | Step 1: To solve this problem, we need to break down it into several steps.
Step 2: Firstly, we take the input value for q, which tells us the number of queries we need to handle.
Step 3: Then, for each query, we need to take input values for l, r, and d.
Step 4: Next, we need to check if d is less than l or greate... | f0d5b541edafe4708275aeab3fd3dcb710d53a22ac9ed09a570e4d73f9ae7295_5_1 | fd3a73ff139998efeb333008518e1141c096dc73fb091c2d55ed449ae2a8fe37 |
Coding | codecontest | Write Python code to solve the task.
You are given q queries in the following form:
Given three integers l_i, r_i and d_i, find minimum positive integer x_i such that it is divisible by d_i and it does not belong to the segment [l_i, r_i].
Can you answer all the queries?
Recall that a number x belongs to segment [l,... | Step 1: To solve this problem, we can follow the steps below:
Step 2: Firstly, the code takes the input value of q, which represents the number of test cases.
Step 3: Then, it iterates over the range of q and for each test case, it takes input values of l, r, and d.
Step 4: It checks if l/d is greater than 0 and l ... | ae20880ca7ec4103d9fdefb7f426850b734a8a1505e7ee273421f31f0e84f81c_5_1 | fd3a73ff139998efeb333008518e1141c096dc73fb091c2d55ed449ae2a8fe37 |
Coding | codecontest | Write Python code to solve the task.
You are given q queries in the following form:
Given three integers l_i, r_i and d_i, find minimum positive integer x_i such that it is divisible by d_i and it does not belong to the segment [l_i, r_i].
Can you answer all the queries?
Recall that a number x belongs to segment [l,... | Step 1: We need to implement a solution to find the minimum positive integer x that is divisible by d and does not belong to the given segment [l, r].
Step 2: The logic seems to involve calculating the closest integer divisible by d that is outside the segment [l, r].
Step 3: We will need to handle each query separa... | ce857a0f20218dc9bffdb05bf95956932bd302d4d66a86aad3fee9d7b06c63ff_5_1 | fd3a73ff139998efeb333008518e1141c096dc73fb091c2d55ed449ae2a8fe37 |
Coding | codecontest | Write Python code to solve the task.
You are given q queries in the following form:
Given three integers l_i, r_i and d_i, find minimum positive integer x_i such that it is divisible by d_i and it does not belong to the segment [l_i, r_i].
Can you answer all the queries?
Recall that a number x belongs to segment [l,... | Step 1: To solve this problem, we need to iterate through the queries and for each query, find the minimum positive integer that is divisible by d and does not belong to the segment [l, r].
Step 2: We can handle each query separately by checking three conditions:
Step 3: - If d is less than l, the minimum positive... | 51d035779c2c3316d79128ed09e5813dc13a72e40f6743ff9dace1bd848d3d3b_5_1 | fd3a73ff139998efeb333008518e1141c096dc73fb091c2d55ed449ae2a8fe37 |
Coding | codecontest | Write Python code to solve the task.
You are given q queries in the following form:
Given three integers l_i, r_i and d_i, find minimum positive integer x_i such that it is divisible by d_i and it does not belong to the segment [l_i, r_i].
Can you answer all the queries?
Recall that a number x belongs to segment [l,... | Step 1: To solve this problem, we need to iterate through the queries and solve each query individually.
Step 2: The solution for each query can be found using the solve function.
Step 3: The solve function calculates the minimum positive integer that is divisible by d and does not belong to the segment [l, r].
Step... | 19d1f58c5a7ed55b82843b081525f30ff421661e44a4477c3b37d9a3999f8f3d_5_1 | fd3a73ff139998efeb333008518e1141c096dc73fb091c2d55ed449ae2a8fe37 |
Coding | codecontest | Write Python code to solve the task.
You are given q queries in the following form:
Given three integers l_i, r_i and d_i, find minimum positive integer x_i such that it is divisible by d_i and it does not belong to the segment [l_i, r_i].
Can you answer all the queries?
Recall that a number x belongs to segment [l,... | Step 1: To solve this problem, we need to understand the requirements of each query and how to process the input values to find the minimum positive integer that satisfies the given conditions.
Step 2: We can start by iterating through the input queries and splitting each query into its individual components: l, r, a... | 3d14a49ebfef4bd388ef2ffcb4faad841d3106ff22ede13aade7ab1be3b83752_5_1 | fd3a73ff139998efeb333008518e1141c096dc73fb091c2d55ed449ae2a8fe37 |
Coding | codecontest | Write Python code to solve the task.
You are given q queries in the following form:
Given three integers l_i, r_i and d_i, find minimum positive integer x_i such that it is divisible by d_i and it does not belong to the segment [l_i, r_i].
Can you answer all the queries?
Recall that a number x belongs to segment [l,... | Step 1: To solve this problem, we need to iterate through each query and compute the minimum positive integer that satisfies the given conditions.
Step 2: We can separate the logic for iterating through the queries and the logic for finding the minimum positive integer into two functions for clarity and ease of testi... | 66f1ee0468562df96b7b5b492c925a097389ac13869fd5496b96662da8e4ea82_5_1 | fd3a73ff139998efeb333008518e1141c096dc73fb091c2d55ed449ae2a8fe37 |
Coding | codecontest | Write Python code to solve the task.
You are given q queries in the following form:
Given three integers l_i, r_i and d_i, find minimum positive integer x_i such that it is divisible by d_i and it does not belong to the segment [l_i, r_i].
Can you answer all the queries?
Recall that a number x belongs to segment [l,... | Step 1: We are given q queries of integers in the form l_i, r_i, and d_i and need to find the minimum positive integer x_i such that it is divisible by d_i and not in the segment [l_i, r_i].
Step 2: To solve this, we can iterate through each query and implement a conditional check to find the minimum positive integer... | c3a63c1f215cb148259e34bb26772e7c9354a809a0720e22347642a1ed14946d_5_1 | fd3a73ff139998efeb333008518e1141c096dc73fb091c2d55ed449ae2a8fe37 |
Coding | codecontest | Write Python code to solve the task.
You are given q queries in the following form:
Given three integers l_i, r_i and d_i, find minimum positive integer x_i such that it is divisible by d_i and it does not belong to the segment [l_i, r_i].
Can you answer all the queries?
Recall that a number x belongs to segment [l,... | Step 1: The task is to find the minimum positive integer that is divisible by d and does not belong to the segment [l, r].
Step 2: We're given q queries, and for each query, we need to calculate the answer based on the given input values.
Step 3: We can iterate through each query, calculate the minimum positive inte... | 351e495b4a1968d58b807e3ecc78a80263daf450432eb8d31a3d93878e11ff4a_5_1 | fd3a73ff139998efeb333008518e1141c096dc73fb091c2d55ed449ae2a8fe37 |
Coding | codecontest | Write Python code to solve the task.
You are given q queries in the following form:
Given three integers l_i, r_i and d_i, find minimum positive integer x_i such that it is divisible by d_i and it does not belong to the segment [l_i, r_i].
Can you answer all the queries?
Recall that a number x belongs to segment [l,... | Step 1: Read the number of queries 'q'.
Step 2: For each query, read the values of 'l', 'r', and 'd'.
Step 3: Check if 'l' is greater than 'd'. If it is, set the answer 'x' to 'd'.
Step 4: If 'l' is not greater than 'd', calculate the answer 'x' as (r // d + 1) * d.
Step 5: Print the value of 'x'.
```python
# Step 6: ... | d5e06e26665894ffcd5113c418e311e1909562edd7b3276cc6baa61dd03218ac_5_5 | fd3a73ff139998efeb333008518e1141c096dc73fb091c2d55ed449ae2a8fe37 |
Coding | codecontest | Write Python code to solve the task.
Fennec is fighting with N monsters.
The health of the i-th monster is H_i.
Fennec can do the following two actions:
* Attack: Fennec chooses one monster. That monster's health will decrease by 1.
* Special Move: Fennec chooses one monster. That monster's health will become 0.
... | Step 1: To solve this problem, we need to break it down into several steps.
Step 2: First, we take the input values of N and K, and then take input values for the list H, so we need to read the input.
Step 3: Then, we need to sort the list H in descending order, so that we can easily target the monsters with higher ... | 254f178ee811c95c8196ee5c4c5d0a35ed33d722e9b3ece1ea8c639f6216889b_5_1 | b5224464d15730e61a5332d1ea8060b2f966fc06a374c99b67ae2c88b31ade87 |
Coding | codecontest | Write Python code to solve the task.
Fennec is fighting with N monsters.
The health of the i-th monster is H_i.
Fennec can do the following two actions:
* Attack: Fennec chooses one monster. That monster's health will decrease by 1.
* Special Move: Fennec chooses one monster. That monster's health will become 0.
... | Step 1: To solve this problem, we need to break it down into several steps.
Step 2: First, the code takes two inputs, n and k, and then a list of numbers to represent hs.
Step 3: Then, it sorts the list hs in ascending order.
Step 4: After that, we need to find the minimum number of times Fennec needs to do Attack... | d4f706fdf6d9d84aac9abc9840577e608ae8e98f7b97e03218deffab5aaa8a2d_5_1 | b5224464d15730e61a5332d1ea8060b2f966fc06a374c99b67ae2c88b31ade87 |
Coding | codecontest | Write Python code to solve the task.
Fennec is fighting with N monsters.
The health of the i-th monster is H_i.
Fennec can do the following two actions:
* Attack: Fennec chooses one monster. That monster's health will decrease by 1.
* Special Move: Fennec chooses one monster. That monster's health will become 0.
... | Step 1: To solve this problem, we need to first read the input, which includes the number of monsters and the maximum number of special moves Fennec can make.
Step 2: Then, we need to process the health of each monster and sort it in ascending order.
Step 3: After that, we need to check if the number of monsters i... | 49cef909af7a833f0162d02a97aa6d2e113e4805a7b00a1975cbb3da8f0dc1fe_5_1 | b5224464d15730e61a5332d1ea8060b2f966fc06a374c99b67ae2c88b31ade87 |
Coding | codecontest | Write Python code to solve the task.
Fennec is fighting with N monsters.
The health of the i-th monster is H_i.
Fennec can do the following two actions:
* Attack: Fennec chooses one monster. That monster's health will decrease by 1.
* Special Move: Fennec chooses one monster. That monster's health will become 0.
... | Step 1: To solve this problem, we can follow several steps to find the minimum number of times Fennec needs to do Attack (not counting Special Move) before winning when she can use Special Move at most K times.
Step 2: Firstly, we take the input values of N and K, and then take input values for the list H to determin... | d6f2f1c70801ced9408a48c31fe149debbcc3a90775fe54e35809bfef446699e_5_1 | b5224464d15730e61a5332d1ea8060b2f966fc06a374c99b67ae2c88b31ade87 |
Coding | codecontest | Write Python code to solve the task.
Fennec is fighting with N monsters.
The health of the i-th monster is H_i.
Fennec can do the following two actions:
* Attack: Fennec chooses one monster. That monster's health will decrease by 1.
* Special Move: Fennec chooses one monster. That monster's health will become 0.
... | Step 1: To solve this problem, we need to follow the below steps.
Step 2: First, we need to take two inputs, n and k, and a list of monster strengths.
Step 3: Then, we should sort the list of monster strengths to identify the weakest monsters.
Step 4: After that, we should take the sum of the first n-k elements of ... | 0acd72b31228dbf3606cd67961b0c2c2027818dbe94e1cf98747fea3846b7ae6_5_1 | b5224464d15730e61a5332d1ea8060b2f966fc06a374c99b67ae2c88b31ade87 |
Coding | codecontest | Write Python code to solve the task.
Fennec is fighting with N monsters.
The health of the i-th monster is H_i.
Fennec can do the following two actions:
* Attack: Fennec chooses one monster. That monster's health will decrease by 1.
* Special Move: Fennec chooses one monster. That monster's health will become 0.
... | Step 1: To solve this problem, we need to follow these steps:
Step 2: Firstly, we need to take two inputs n and k, and a list of monster's healths. Then sort the list in ascending order.
Step 3: After that, we need to check if the number of monsters is less than or equal to K, in which case Fennec can win without do... | f75c9721249659c22aa2debcebb3f92418173250b2f5a1a998c4d89c0844f614_5_1 | b5224464d15730e61a5332d1ea8060b2f966fc06a374c99b67ae2c88b31ade87 |
Coding | codecontest | Write Python code to solve the task.
Fennec is fighting with N monsters.
The health of the i-th monster is H_i.
Fennec can do the following two actions:
* Attack: Fennec chooses one monster. That monster's health will decrease by 1.
* Special Move: Fennec chooses one monster. That monster's health will become 0.
... | Step 1: To solve this problem, we need to break it down into several steps.
Step 2: Firstly, the code takes two inputs, n and k, and then a list of numbers to represent hs. We need to sort the list hs in ascending order to make sure we attack the monster with the lowest health first.
Step 3: Then, while the list hs ... | 770bf896f79f3d2cae7d0a98bf7ca73ab5d20661ddb9c04d617fa07fa39974e5_5_1 | b5224464d15730e61a5332d1ea8060b2f966fc06a374c99b67ae2c88b31ade87 |
Coding | codecontest | Write Python code to solve the task.
Fennec is fighting with N monsters.
The health of the i-th monster is H_i.
Fennec can do the following two actions:
* Attack: Fennec chooses one monster. That monster's health will decrease by 1.
* Special Move: Fennec chooses one monster. That monster's health will become 0.
... | Step 1: The problem asks for the minimum number of times Fennec needs to perform the Attack action in order to win, given that she can use the Special Move at most K times.
Step 2: We need to consider the health of each monster and determine the number of attacks required to reduce their health to 0.
Step 3: If K is... | 3f767e6d352ad4704a5cf887152a2f09c2e3bd0df5672f5ea7070baa23f8ce59_5_1 | b5224464d15730e61a5332d1ea8060b2f966fc06a374c99b67ae2c88b31ade87 |
Coding | codecontest | Write Python code to solve the task.
Fennec is fighting with N monsters.
The health of the i-th monster is H_i.
Fennec can do the following two actions:
* Attack: Fennec chooses one monster. That monster's health will decrease by 1.
* Special Move: Fennec chooses one monster. That monster's health will become 0.
... | Step 1: To solve this problem, we need to determine the minimum number of times Fennec needs to perform the Attack action before winning.
Step 2: We can start by reading the input, sorting the list of monster healths in descending order, and then calculating the total health that needs to be reduced by the Attack act... | 49fbba97319194bc4bf89b6fd378e2c35e01d338604ef8c1d39dfcc42b8eb6fd_5_1 | b5224464d15730e61a5332d1ea8060b2f966fc06a374c99b67ae2c88b31ade87 |
Coding | codecontest | Write Python code to solve the task.
Fennec is fighting with N monsters.
The health of the i-th monster is H_i.
Fennec can do the following two actions:
* Attack: Fennec chooses one monster. That monster's health will decrease by 1.
* Special Move: Fennec chooses one monster. That monster's health will become 0.
... | Step 1: To solve this problem, we need to consider the number of times Fennec needs to do an Attack before winning, given that she can use the Special Move at most K times.
Step 2: We can start by sorting the health of the monsters.
Step 3: Then, we need to determine how many Attacks Fennec needs to do to reduce the... | 7079e58daee2b5dc0c8422c59215631b13e39c94887d5a87d3aabb5238dcf94c_5_1 | b5224464d15730e61a5332d1ea8060b2f966fc06a374c99b67ae2c88b31ade87 |
Coding | codecontest | Write Python code to solve the task.
Fennec is fighting with N monsters.
The health of the i-th monster is H_i.
Fennec can do the following two actions:
* Attack: Fennec chooses one monster. That monster's health will decrease by 1.
* Special Move: Fennec chooses one monster. That monster's health will become 0.
... | Step 1: To solve this problem, we need to find the minimum number of times Fennec needs to do an attack before winning, taking into account the special move.
Step 2: We can start by reading the input and parsing the values of N, K, and the health values of the monsters.
Step 3: Then, we need to determine the minim... | 6aa8470da91b4d0577b5c1f201fff39d39f4bfdc19cceb1db39fb69b7ca08879_5_1 | b5224464d15730e61a5332d1ea8060b2f966fc06a374c99b67ae2c88b31ade87 |
Coding | codecontest | Write Python code to solve the task.
Fennec is fighting with N monsters.
The health of the i-th monster is H_i.
Fennec can do the following two actions:
* Attack: Fennec chooses one monster. That monster's health will decrease by 1.
* Special Move: Fennec chooses one monster. That monster's health will become 0.
... | Step 1: To solve this problem, we need to find the minimum number of times Fennec needs to do an attack before winning and accounting for the special move which can be done at most K times.
Step 2: We need to consider the health of each monster and determine the number of attacks required to reduce their health to 0 ... | 4ae62b2cc7be6647864b42a55836a37536671967613a73dd5d81bd970b4991b2_5_1 | b5224464d15730e61a5332d1ea8060b2f966fc06a374c99b67ae2c88b31ade87 |
Coding | codecontest | Write Python code to solve the task.
Fennec is fighting with N monsters.
The health of the i-th monster is H_i.
Fennec can do the following two actions:
* Attack: Fennec chooses one monster. That monster's health will decrease by 1.
* Special Move: Fennec chooses one monster. That monster's health will become 0.
... | Step 1: The problem requires finding the minimum number of times Fennec needs to do the Attack action before winning.
Step 2: The input consists of the number of monsters (N), the maximum number of times Fennec can use the Special Move (K), and the health of each monster (H_i).
Step 3: We need to consider the case w... | a811a363ecda601763279373808cbe9cad249539ef35e51fa849a5761f1f2249_5_1 | b5224464d15730e61a5332d1ea8060b2f966fc06a374c99b67ae2c88b31ade87 |
Coding | codecontest | Write Python code to solve the task.
Fennec is fighting with N monsters.
The health of the i-th monster is H_i.
Fennec can do the following two actions:
* Attack: Fennec chooses one monster. That monster's health will decrease by 1.
* Special Move: Fennec chooses one monster. That monster's health will become 0.
... | Step 1: The problem asks us to find the minimum number of times Fennec needs to do an attack (not counting the special move) before winning, given that she can use the special move at most K times.
Step 2: To solve this problem, we can start by reading the input values. Then, we can sort the health values of the mons... | 59e9bfdb7227914da206f8b99ecf49fb1ceddfd69a6127b540003125638474ff_5_1 | b5224464d15730e61a5332d1ea8060b2f966fc06a374c99b67ae2c88b31ade87 |
Coding | codecontest | Write Python code to solve the task.
Fennec is fighting with N monsters.
The health of the i-th monster is H_i.
Fennec can do the following two actions:
* Attack: Fennec chooses one monster. That monster's health will decrease by 1.
* Special Move: Fennec chooses one monster. That monster's health will become 0.
... | Step 1: To solve this problem, we need to find the minimum number of times Fennec needs to do attacking (not counting special moves) before winning, given that she can use the special move at most K times.
Step 2: We can start by sorting the health of the monsters in ascending order.
Step 3: Then, we can iterate thr... | 84722155fd126ea57146f6bda500017c967b108ae03b1fc8dd3d150d6848160b_5_1 | b5224464d15730e61a5332d1ea8060b2f966fc06a374c99b67ae2c88b31ade87 |
Coding | codecontest | Write Python code to solve the task.
Fennec is fighting with N monsters.
The health of the i-th monster is H_i.
Fennec can do the following two actions:
* Attack: Fennec chooses one monster. That monster's health will decrease by 1.
* Special Move: Fennec chooses one monster. That monster's health will become 0.
... | Step 1: Input the number of monsters 'N' and the maximum number of special moves 'K'.
Step 2: Input the health values of the monsters.
Step 3: Sort the health values in decreasing order to organize which monsters would benefit most from the special move.
Step 4: Use the special move on the monsters with the highest hea... | 07c1018e9cc970e425fbc34382b2761b25ae1a8b8c6a2fab8d9f4d43e5bfdd7e_5_5 | b5224464d15730e61a5332d1ea8060b2f966fc06a374c99b67ae2c88b31ade87 |
Coding | codecontest | Write Python code to solve the task.
Link to Russian translation of problem
There are N ants staying at the vertices of the N-regular polygon (one ant at one vertex). At some moment of time all the ants choose one of the edges their vertex is adjacent to and start walking along this edge. If two ants meet at some poin... | Step 1: To solve this problem, we need to consider the movement of the ants on the N-regular polygon.
Step 2: Each ant has two choices - either move clockwise or counterclockwise along the edge their vertex is adjacent to.
Step 3: If two ants meet at some point of the edge, they die.
Step 4: Therefore, to calcul... | 9d2964ba70b885a9971f3790bde45919d567425e545684566ba7d8341e230d2d_5_1 | 480b0b042731bc8dbcd19083fc5e50187d37ec0f0321fb51a693aa904295213f |
Coding | codecontest | Write Python code to solve the task.
Link to Russian translation of problem
There are N ants staying at the vertices of the N-regular polygon (one ant at one vertex). At some moment of time all the ants choose one of the edges their vertex is adjacent to and start walking along this edge. If two ants meet at some poin... | Step 1: In order to solve this problem, we need to devise a mathematical approach
Step 2: We can start by considering the probability of an ant surviving when there are only two ants, and then extend it to N ants
Step 3: When there are only two ants, the probability of both surviving is 1/2
Step 4: For N ants, we c... | adb47c80f8ca5fc1378d139da91a70f60690443409c3f2a694ef3114ff917509_5_1 | 480b0b042731bc8dbcd19083fc5e50187d37ec0f0321fb51a693aa904295213f |
Coding | codecontest | Write Python code to solve the task.
Link to Russian translation of problem
There are N ants staying at the vertices of the N-regular polygon (one ant at one vertex). At some moment of time all the ants choose one of the edges their vertex is adjacent to and start walking along this edge. If two ants meet at some poin... | Step 1: To solve this problem, we need to break it down into several steps.
Step 2: Firstly, we take the input value of t, which represents the number of test cases.
Step 3: Then, we calculate mod as 10^9 + 7, which will be used for the modulo operation later.
Step 4: After that, we iterate t times, taking the i... | 853ba89117199532c907cd2493c8eb70fae18e07f096481ca2ed498e385dac83_5_1 | 480b0b042731bc8dbcd19083fc5e50187d37ec0f0321fb51a693aa904295213f |
Coding | codecontest | Write Python code to solve the task.
Link to Russian translation of problem
There are N ants staying at the vertices of the N-regular polygon (one ant at one vertex). At some moment of time all the ants choose one of the edges their vertex is adjacent to and start walking along this edge. If two ants meet at some poin... | Step 1: To solve this problem, we need to break down it into several steps.
Step 2: Firstly, the code takes input value of t, which represents the number of test cases.
Step 3: Then, it calculates mod as 10^9 + 7, this is used in the formula to calculate the probability.
Step 4: After that, it runs a loop t times, ... | 541068a7bd77ed2353fe4fdc4ac3ef627639e3cf407fbb0c1d5eea6590357e69_5_1 | 480b0b042731bc8dbcd19083fc5e50187d37ec0f0321fb51a693aa904295213f |
Coding | codecontest | Write Python code to solve the task.
Link to Russian translation of problem
There are N ants staying at the vertices of the N-regular polygon (one ant at one vertex). At some moment of time all the ants choose one of the edges their vertex is adjacent to and start walking along this edge. If two ants meet at some poin... | Step 1: To solve this problem, we need to break it down into several steps.
Step 2: Firstly, for each test case, we need to calculate the probability that all the ants will survive on an N-regular polygon.
Step 3: Then, we can use the mathematical concept of permutation and combination to solve this problem.
Step 4... | 95e13846b5fe347ecf6949a7cda6dbcd0734b4be30901d67f25fba20e38cd41e_5_1 | 480b0b042731bc8dbcd19083fc5e50187d37ec0f0321fb51a693aa904295213f |
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