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.
Recently Johnny have learned bogosort sorting algorithm. He thought that it is too ineffective. So he decided to improve it. As you may know this algorithm shuffles the sequence randomly until it is sorted. Johnny decided that we don't need to shuffle the whole sequence every time. ... | Step 1: To solve this problem, we need to understand the concept of Johnny's improved bogosort algorithm and how it affects the number of shuffles required to sort the sequence.
Step 2: We need to implement a function to calculate the expected amount of shuffles for the improved algorithm to sort the sequence of the ... | 960336d48d9ca804531ec840aca71e65030a67c0312c33a26f0e9d7e6f6c44a9_1_1 | e1987e9e1689f46773e722d4ab442dfae058991500e27bb4878811a2a8b2955e |
Coding | codecontest | Write Python code to solve the task.
Recently Johnny have learned bogosort sorting algorithm. He thought that it is too ineffective. So he decided to improve it. As you may know this algorithm shuffles the sequence randomly until it is sorted. Johnny decided that we don't need to shuffle the whole sequence every time. ... | Step 1: The problem states that the goal is to sort a given sequence using an improved algorithm.
Step 2: This algorithm stops repeating shuffling once the first or last few elements are in the correct positions.
Step 3: To solve this, we can implement the improved bogosort algorithm and calculate the expected numbe... | 9437443842ced67ff4f03ebc4160980a651fcfb8f232934c0060a65396f816ce_1_1 | e1987e9e1689f46773e722d4ab442dfae058991500e27bb4878811a2a8b2955e |
Coding | codecontest | Write Python code to solve the task.
There is a factory that inputs the data of the side and diagonal lengths to the machine and cuts out the plastic plate. At this factory, we cut out only parallelogram molds, although they vary in size. You have been ordered by your boss to count the number of rectangles and rhombuse... | Step 1: The problem requires us to count the number of rectangles and diamonds among the parallelograms that are cut out.
Step 2: We need to read the input data and process each parallelogram to determine if it is a rectangle, a rhombus, or neither.
Step 3: We will count the number of rectangles and diamonds separat... | 755f696ce86c477056ffe9d9bf5e7e2206e2d54bd19e7d3b571b0dab573902ee_1_1 | 3fc911625f32902677f59695f15edfe1e063559708f32187aa7449b126426af7 |
Coding | codecontest | Write Python code to solve the task.
There is a factory that inputs the data of the side and diagonal lengths to the machine and cuts out the plastic plate. At this factory, we cut out only parallelogram molds, although they vary in size. You have been ordered by your boss to count the number of rectangles and rhombuse... | Step 1: To solve this problem, we need to read the input data for each parallelogram and determine whether it forms a rectangle or rhombus based on its side and diagonal lengths.
Step 2: We can then count the number of rectangles and rhombuses and finally output the counts.
Step 3: We'll use a loop to iterate throug... | 3de8e506e6a7d6c3df8905c7674727fb14ce5508dd457b4215d08f78e7fa966a_1_1 | 3fc911625f32902677f59695f15edfe1e063559708f32187aa7449b126426af7 |
Coding | codecontest | Write Python code to solve the task.
There is a factory that inputs the data of the side and diagonal lengths to the machine and cuts out the plastic plate. At this factory, we cut out only parallelogram molds, although they vary in size. You have been ordered by your boss to count the number of rectangles and rhombuse... | Step 1: To solve this problem, we need to read the input data that represents the lengths of two adjacent sides and the diagonal length of each parallelogram.
Step 2: We should then determine whether each parallelogram is a rectangle or a rhombus based on the given conditions.
Step 3: We need to keep track of the co... | 46f2398a33ba50b975c76e19bdab0a591197c05a90cc8062fa5a4a2e79c1518b_1_1 | 3fc911625f32902677f59695f15edfe1e063559708f32187aa7449b126426af7 |
Coding | codecontest | Write Python code to solve the task.
Long ago, Vasily built a good fence at his country house. Vasily calls a fence good, if it is a series of n consecutively fastened vertical boards of centimeter width, the height of each in centimeters is a positive integer. The house owner remembers that the height of the i-th boar... | Step 1: The given solution appears to be calculating the number of ways one can cut exactly one connected part of Vasily's fence so that the part consists of the upper parts of the boards and the remaining fence is still good.
Step 2: The solution seems to be using dynamic programming to calculate the possible ways t... | 673fa3bf42998a1e74bdb4207c76fe18e8fb0d7a5c5ddd3dd2baefd4cd2d0a10_1_1 | f34f84520c78fadae1099ef933a1b6d12b9749aea07b7d06e6b7b7765c797700 |
Coding | codecontest | Write Python code to solve the task.
Long ago, Vasily built a good fence at his country house. Vasily calls a fence good, if it is a series of n consecutively fastened vertical boards of centimeter width, the height of each in centimeters is a positive integer. The house owner remembers that the height of the i-th boar... | Step 1: The problem requires us to find the number of possible ways to cut exactly one part of the fence so that the remaining fence remains good. A good fence is defined as a series of n consecutive vertical boards with positive integer heights.
Step 2: To solve this problem, we need to iterate through the boards an... | 6cc1b04e79f73c49988bd3fb1f2d9c64c0474d5500eac4f6dfafddf9326ffe74_1_1 | f34f84520c78fadae1099ef933a1b6d12b9749aea07b7d06e6b7b7765c797700 |
Coding | codecontest | Write Python code to solve the task.
Long ago, Vasily built a good fence at his country house. Vasily calls a fence good, if it is a series of n consecutively fastened vertical boards of centimeter width, the height of each in centimeters is a positive integer. The house owner remembers that the height of the i-th boar... | Step 1: To solve this problem, we need to determine the number of possible ways to cut exactly one connected part so that the part consisted of the upper parts of the boards, and the remaining fence is good.
Step 2: We can start by reading the input to understand the number of boards and the heights of the boards.
St... | 551eab634eb72184b6043a2f0edbf8047b7729b8a1b94d69b61afcc4ff2c6158_1_1 | f34f84520c78fadae1099ef933a1b6d12b9749aea07b7d06e6b7b7765c797700 |
Coding | codecontest | Write Python code to solve the task.
As we know, DZY loves playing games. One day DZY decided to play with a n × m matrix. To be more precise, he decided to modify the matrix with exactly k operations.
Each modification is one of the following:
1. Pick some row of the matrix and decrease each element of the row by ... | Step 1: To solve this problem, we need to find the maximum possible total pleasure value DZY could get after performing exactly k modifications.
Step 2: We can start by reading the input values for the matrix size, the number of operations, and the value of p.
Step 3: Then, we can process the matrix to generate row ... | 7e20050ce201f2646be1c1e8194d49d633b9c4dbef3cffc584de21e4c413fdd3_1_1 | d29c9987f9585c2a0cc7c091895b6231b937c563453e67d254e06b01c3d999db |
Coding | codecontest | Write Python code to solve the task.
As we know, DZY loves playing games. One day DZY decided to play with a n × m matrix. To be more precise, he decided to modify the matrix with exactly k operations.
Each modification is one of the following:
1. Pick some row of the matrix and decrease each element of the row by ... | Step 1: The problem requires us to find the maximum total value of pleasure DZY could get after performing exactly k modifications on the given n x m matrix.
Step 2: We need to calculate the modified value after each operation and keep track of the pleasure value for each modification.
Step 3: We should consider mod... | 970cd1efdce7e1428a192d409d143b4574f067aa7aab1f8b56076c154f1635b0_1_1 | d29c9987f9585c2a0cc7c091895b6231b937c563453e67d254e06b01c3d999db |
Coding | codecontest | Write Python code to solve the task.
As we know, DZY loves playing games. One day DZY decided to play with a n × m matrix. To be more precise, he decided to modify the matrix with exactly k operations.
Each modification is one of the following:
1. Pick some row of the matrix and decrease each element of the row by ... | Step 1: To solve this problem, we need to consider each possible modification of the matrix and calculate the pleasure value for each modification.
Step 2: We should also keep track of the maximum pleasure value that DZY can obtain after performing exactly k modifications.
Step 3: The problem also requires us to con... | e094bf1694d73402d32f3b0d620f02a928350bde8f7db28b242c8fc5cdcde8c1_1_1 | d29c9987f9585c2a0cc7c091895b6231b937c563453e67d254e06b01c3d999db |
Coding | codecontest | Write Python code to solve the task.
Little X has met the following problem recently.
Let's define f(x) as the sum of digits in decimal representation of number x (for example, f(1234) = 1 + 2 + 3 + 4). You are to calculate <image>
Of course Little X has solved this problem quickly, has locked it, and then has tried... | Step 1: The given task is to find proper test data to produce a failure for the provided C++ code.
Step 2: The code calculates solve(l, r) % a, and if the result is less than or equal to 0, it adds a to the result.
Step 3: To find a proper test case for the given C++ code, we need to produce a case where the result ... | 00af847aa777abc15c283336e077c80b674dea01ec9f62eca020fc5a2131d9e4_1_1 | 617cf5059f688f367052df860dddca1373246ad092c9212ce42468bab49d1506 |
Coding | codecontest | Write Python code to solve the task.
Little X has met the following problem recently.
Let's define f(x) as the sum of digits in decimal representation of number x (for example, f(1234) = 1 + 2 + 3 + 4). You are to calculate <image>
Of course Little X has solved this problem quickly, has locked it, and then has tried... | Step 1: The given C++ code tries to find a proper test for a particular value of a so that it fails.
Step 2: We need to find a proper test data for hack by calculating two integers l and r.
Step 3: We want to create a situation where the result of `solve(l, r) % a` is less than or equal to 0, and then add `a` to it.... | f24305e4358da61075910ecc9bf5bfd347a8d746f88ae5e70049a6adb9cf12ad_1_1 | 617cf5059f688f367052df860dddca1373246ad092c9212ce42468bab49d1506 |
Coding | codecontest | Write Python code to solve the task.
Little X has met the following problem recently.
Let's define f(x) as the sum of digits in decimal representation of number x (for example, f(1234) = 1 + 2 + 3 + 4). You are to calculate <image>
Of course Little X has solved this problem quickly, has locked it, and then has tried... | Step 1: To solve this problem, we need to find a proper test data (l, r) for the given value of a such that the provided C++ code fails only for this test data.
Step 2: The given C++ code calculates ans as solve(l, r) % a and then checks if ans is less than or equal to 0, in which case it adds a to ans.
Step 3: We n... | d69ab8b48c10d30a8b480bc87e71f83102c1b7ec89819c8e6b4919cccdfa141b_1_1 | 617cf5059f688f367052df860dddca1373246ad092c9212ce42468bab49d1506 |
Coding | codecontest | Write Python code to solve the task.
To help those contestants who struggle a lot in contests, the headquarters of Codeforces are planning to introduce Division 5. In this new division, the tags of all problems will be announced prior to the round to help the contestants.
The contest consists of n problems, where the ... | Step 1: The problem asks to find the minimum possible cost of a permutation of problems such that no consecutive problems have the same tag and the difference in problem indices is less than or equal to 1.
Step 2: We need to ensure that we keep track of the frequency of each problem tag and determine if a valid permu... | 6c4fabbe3a150e43e921b712a044fa5e0a791501bbf70d93184b6cec6be7916a_1_1 | 092d9d641d94ce520cbedaa931bebac724eed0ff2423f723bc396d36f6f1de7a |
Coding | codecontest | Write Python code to solve the task.
To help those contestants who struggle a lot in contests, the headquarters of Codeforces are planning to introduce Division 5. In this new division, the tags of all problems will be announced prior to the round to help the contestants.
The contest consists of n problems, where the ... | Step 1: The general logic of the solution is to iterate through each test case, check the tag frequency for each problem, and determine if there are permutations that satisfy the required condition.
Step 2: To solve the problem, we need to calculate the minimum possible cost of a permutation that satisfies the requir... | ee90a4d331dcd0bb44eab608820dc524d27ed93d009350f098ec13b6a5529d70_1_1 | 092d9d641d94ce520cbedaa931bebac724eed0ff2423f723bc396d36f6f1de7a |
Coding | codecontest | Write Python code to solve the task.
To help those contestants who struggle a lot in contests, the headquarters of Codeforces are planning to introduce Division 5. In this new division, the tags of all problems will be announced prior to the round to help the contestants.
The contest consists of n problems, where the ... | Step 1: The main challenge of this problem is to understand the problem statement and identify the key requirements for an optimal solution.
Step 2: We need to create a permutation of problems in a particular order that meets certain constraints and minimizes the cost of the permutation.
Step 3: To do this, we need ... | 26d071960b5a07cbc8b45ffbea5769c130fa9411d6ee79858103c3fcf30cfb4b_1_1 | 092d9d641d94ce520cbedaa931bebac724eed0ff2423f723bc396d36f6f1de7a |
Coding | codecontest | Write Python code to solve the task.
There are n players sitting at the card table. Each player has a favorite number. The favorite number of the j-th player is f_j.
There are k ⋅ n cards on the table. Each card contains a single integer: the i-th card contains number c_i. Also, you are given a sequence h_1, h_2, ...,... | Step 1: This problem involves distributing cards among players based on their favorite numbers and computing the maximum total joy levels of the players.
Step 2: We start by reading and understanding the input, which includes the number of players, the number of cards each player receives, the numbers on the cards, t... | 890f7fc9b8229cc9a9cc661354aae3b4678becfa8ddbfb791a9c3a24708a948a_1_1 | 8383205abb0b83c9a44928475d454296ffec47db480c273d860b23d513ddaffb |
Coding | codecontest | Write Python code to solve the task.
There are n players sitting at the card table. Each player has a favorite number. The favorite number of the j-th player is f_j.
There are k ⋅ n cards on the table. Each card contains a single integer: the i-th card contains number c_i. Also, you are given a sequence h_1, h_2, ...,... | Step 1: This problem involves distributing a set of cards to players based on each player's favorite number, and then calculating their joy levels based on the number of cards they receive with their favorite number.
Step 2: To solve this problem, we need to first count the number of each card and the number of each ... | a6e3f90c12a47ef9a6901f5f945cf669bf5033f90940bc31d93220b6fd25eccd_1_1 | 8383205abb0b83c9a44928475d454296ffec47db480c273d860b23d513ddaffb |
Coding | codecontest | Write Python code to solve the task.
There are n players sitting at the card table. Each player has a favorite number. The favorite number of the j-th player is f_j.
There are k ⋅ n cards on the table. Each card contains a single integer: the i-th card contains number c_i. Also, you are given a sequence h_1, h_2, ...,... | Step 1: The problem asks for the maximum possible total joy levels of the players after the cards are distributed.
Step 2: We'll need to iterate through the cards and the favorite numbers to plan the distribution that maximizes the joy levels of the players.
Step 3: We'll keep track of the card counts and favorite n... | 5aa67017af13e895603425e5e20d52b39274f3c0466b27e4cab25c5bc384e398_1_1 | 8383205abb0b83c9a44928475d454296ffec47db480c273d860b23d513ddaffb |
Coding | codecontest | Write Python code to solve the task.
Surrounding Area
Land fence
English text is not available in this practice contest.
Two real estate agents were boarding a passenger ship to the southern island. Blue sky, refreshing breeze ... The two enjoyed a voyage with other passengers. However, one day a tornado suddenly sa... | Step 1: We need to write a program that calculates the area of the land surrounded by black and white stakes on an uninhabited island.
Step 2: We can start by defining a class "Area" to represent each enclosed area of the land.
Step 3: Each instance of the Area class will have attributes to represent the state of th... | 24b0f01cc4428a99851b0c3f88a604d881ba3d6f82f363bc212842afae9bac14_1_1 | f0e35891a02df46ff66f451db351ca759a5579081a5c2f53afe7f3590a83527c |
Coding | codecontest | Write Python code to solve the task.
Surrounding Area
Land fence
English text is not available in this practice contest.
Two real estate agents were boarding a passenger ship to the southern island. Blue sky, refreshing breeze ... The two enjoyed a voyage with other passengers. However, one day a tornado suddenly sa... | Step 1: To solve this problem, we need to determine the size of the land surrounded by black and white stakes on the uninhabited island. To achieve this, we first need to identify the grids surrounded by black and white stakes. We can then compute the size of the land surrounded by each type of stakes. We can define a... | 6a680c3b4d97e92dcb304a83d48dea3b06109361753e8be06bfac81d1215d752_1_1 | f0e35891a02df46ff66f451db351ca759a5579081a5c2f53afe7f3590a83527c |
Coding | codecontest | Write Python code to solve the task.
Surrounding Area
Land fence
English text is not available in this practice contest.
Two real estate agents were boarding a passenger ship to the southern island. Blue sky, refreshing breeze ... The two enjoyed a voyage with other passengers. However, one day a tornado suddenly sa... | Step 1: The problem requires determining the size of the land surrounded by black and white stakes in a grid.
Step 2: We need to implement a recursive function to handle the extension of adjacent grids based on the presence of stakes and their colors.
Step 3: We also need to count the area of each type of land surr... | 29034fd6e49ca0ea6996cdf33021d9af1448dadfc7f3ad87d7e2f72b7d967de1_1_1 | f0e35891a02df46ff66f451db351ca759a5579081a5c2f53afe7f3590a83527c |
Coding | codecontest | Write Python code to solve the task.
Once Vasya played bricks. All the bricks in the set had regular cubical shape. Vasya vas a talented architect, however the tower he built kept falling apart.
Let us consider the building process. Vasya takes a brick and puts it on top of the already built tower so that the sides of... | Step 1: The first step is to understand the problem's constraints and how to calculate the stability of a tower as the bricks are added.
Step 2: We can create a custom class to represent the area of a brick and its stability, and another class to simulate a box stack.
Step 3: We then need to validate the stability o... | 1b96ac3b1a3c188b55d718d3fe12dd5eafd1deb5821bb5fe2018c66847e47c64_1_1 | d3f831467d1055fa61dfe0cf89accd697c87604cccb34e39fd3f6f7e4977104d |
Coding | codecontest | Write Python code to solve the task.
Once Vasya played bricks. All the bricks in the set had regular cubical shape. Vasya vas a talented architect, however the tower he built kept falling apart.
Let us consider the building process. Vasya takes a brick and puts it on top of the already built tower so that the sides of... | Step 1: The problem involves building a tower by stacking bricks and ensuring that the tower is stable.
Step 2: We need to calculate the number of bricks in the maximal stable tower.
Step 3: To solve this problem, we can represent each brick as an Area object, and define a BoxStack class to handle the construction o... | 33354e005f93a6067011a1c1544f30c899b62c87ea0c8e0ed13895a18115111b_1_1 | d3f831467d1055fa61dfe0cf89accd697c87604cccb34e39fd3f6f7e4977104d |
Coding | codecontest | Write Python code to solve the task.
Once Vasya played bricks. All the bricks in the set had regular cubical shape. Vasya vas a talented architect, however the tower he built kept falling apart.
Let us consider the building process. Vasya takes a brick and puts it on top of the already built tower so that the sides of... | Step 1: The problem requires checking for the stability of a tower of bricks based on their coordinates.
Step 2: We need to calculate the number of bricks in the maximal stable tower and output it.
Step 3: To find the maximal stable tower, we will start by reading the input and storing the brick coordinates in a sui... | 2e3080ef7bafb6ac402d2effd2dfc3f8c652980ff692cd9470b9277f1a2c9db2_1_1 | d3f831467d1055fa61dfe0cf89accd697c87604cccb34e39fd3f6f7e4977104d |
Coding | codecontest | Write Python code to solve the task.
Little Shino loves to play with numbers. She just came to know about Fibonacci Series.
Fibonacci Series is a series of number such that
Fib(1) = 0
Fib(2) = 1
Fib(x) = Fib(x-1) + Fib(x-2)\;where\;2 < x
Soon Little Shino realized that Fibonacci series grows very fast. So she just wa... | Step 1: We need to calculate the Fibonacci series up to a certain number and then find the sum of the last 4 digits of the series in a given range.
Step 2: We can start by computing the Fibonacci series up to a certain value using recursion or an iterative method.
Step 3: Once we have the series, we can sum up the l... | cb79ceeb7555d6c54b6ecb296d9c9d5052f799e6c6a6e1f801d0d68520e4aa29_1_1 | 55dd37575fb1dc9904f90a7be414455e9e879e1807825e387738edb239dd53a4 |
Coding | codecontest | Write Python code to solve the task.
Little Shino loves to play with numbers. She just came to know about Fibonacci Series.
Fibonacci Series is a series of number such that
Fib(1) = 0
Fib(2) = 1
Fib(x) = Fib(x-1) + Fib(x-2)\;where\;2 < x
Soon Little Shino realized that Fibonacci series grows very fast. So she just wa... | Step 1: The problem requires calculating the sum of the last 4 digits of Fibonacci numbers for a given range of Fibonacci indices.
Step 2: We can precalculate the last 4 digits of Fibonacci numbers from Fib(1) to Fib(15000) and store them in a list.
Step 3: We can then use these precalculated values to efficiently c... | 49f211a06b67ae7fd46b7ee092eeff5914201db9d5c8e376c140d91f4819bedf_1_1 | 55dd37575fb1dc9904f90a7be414455e9e879e1807825e387738edb239dd53a4 |
Coding | codecontest | Write Python code to solve the task.
Little Shino loves to play with numbers. She just came to know about Fibonacci Series.
Fibonacci Series is a series of number such that
Fib(1) = 0
Fib(2) = 1
Fib(x) = Fib(x-1) + Fib(x-2)\;where\;2 < x
Soon Little Shino realized that Fibonacci series grows very fast. So she just wa... | Step 1: To solve this problem, we need to calculate the Fibonacci series and find the sum of the last 4 digits for a range of numbers.
Step 2: We can precompute the Fibonacci series and store the last 4 digits of each number in the series.
Step 3: Then, for each test case, we can find the sum of the last 4 digits fo... | d91f813a62a93cb9017168d4daa818aa2fc04d6e2e6b2faea3b190946a8336d5_1_1 | 55dd37575fb1dc9904f90a7be414455e9e879e1807825e387738edb239dd53a4 |
Coding | codecontest | Write Python code to solve the task.
Vova's family is building the Great Vova Wall (named by Vova himself). Vova's parents, grandparents, grand-grandparents contributed to it. Now it's totally up to Vova to put the finishing touches.
The current state of the wall can be respresented by a sequence a of n integers, with... | Step 1: The problem requires us to determine if a given wall can be completed using 2x1 bricks placed horizontally to increase the height of neighboring parts of the wall.
Step 2: We can start by analyzing the input to understand the sequence of wall heights.
Step 3: We need to iterate through the wall and determin... | af4868bf07b882a519f6ece79a8abaa7e06d8d050f6e335125e767d4c1839298_1_1 | cf79ab61f2799ad4348934d1ddc337379a582812a62adfda29621df1b55d6c35 |
Coding | codecontest | Write Python code to solve the task.
Vova's family is building the Great Vova Wall (named by Vova himself). Vova's parents, grandparents, grand-grandparents contributed to it. Now it's totally up to Vova to put the finishing touches.
The current state of the wall can be respresented by a sequence a of n integers, with... | Step 1: To solve this problem, we need to check if Vova can complete the wall using 2x1 bricks.
Step 2: We can use a deque to simulate the construction of the wall and check if it is possible to complete it.
Step 3: We also need to consider the conditions for the wall to be considered complete, which are all parts ... | 2c39bf0017c142f9615af132caaafb14982b639967ca521d9e42c3b2c8979994_1_1 | cf79ab61f2799ad4348934d1ddc337379a582812a62adfda29621df1b55d6c35 |
Coding | codecontest | Write Python code to solve the task.
Vova's family is building the Great Vova Wall (named by Vova himself). Vova's parents, grandparents, grand-grandparents contributed to it. Now it's totally up to Vova to put the finishing touches.
The current state of the wall can be respresented by a sequence a of n integers, with... | Step 1: The problem is asking us if Vova can complete the wall using any amount of bricks, given the initial heights of the wall parts.
Step 2: We can analyze if Vova can complete the wall by checking if the heights can be made equal, and if there are any empty spaces inside the wall.
Step 3: To solve the problem, w... | c61fc939b4fdd29c77b0e66ff2feea836bb2e2e558df065bb0c86ebb2c53d375_1_1 | cf79ab61f2799ad4348934d1ddc337379a582812a62adfda29621df1b55d6c35 |
Coding | codecontest | Write Python code to solve the task.
Nowadays all circuses in Berland have a round arena with diameter 13 meters, but in the past things were different.
In Ancient Berland arenas in circuses were shaped as a regular (equiangular) polygon, the size and the number of angles could vary from one circus to another. In each... | Step 1: To solve this problem, we need to find the minimum area of the ancient arena given the coordinates of the three pillars.
Step 2: One approach is to use the law of cosines to calculate the angles between the sides of the polygon formed by the three pillars, and then use the formula for the area of a regular po... | ea932ab702cb08e37e84b7c977a4f61b86be9f85daed09f645c9796228baf6c0_1_1 | 7a4d819113d85eb9b20e5e349768d2d8c73a13c62f362c31cd7114fe75632c81 |
Coding | codecontest | Write Python code to solve the task.
Nowadays all circuses in Berland have a round arena with diameter 13 meters, but in the past things were different.
In Ancient Berland arenas in circuses were shaped as a regular (equiangular) polygon, the size and the number of angles could vary from one circus to another. In each... | Step 1: To solve this problem, we need to calculate the area of the ancient circus arena based on the coordinates of the three pillars.
Step 2: We need to calculate the distances between the pillars to determine the sides of the equiangular polygon.
Step 3: We also need to calculate the angles of the polygon and use... | 1feaf610fe7949fe11b5175a7928229174de5a958227a87c00047324e6733b7d_1_1 | 7a4d819113d85eb9b20e5e349768d2d8c73a13c62f362c31cd7114fe75632c81 |
Coding | codecontest | Write Python code to solve the task.
Nowadays all circuses in Berland have a round arena with diameter 13 meters, but in the past things were different.
In Ancient Berland arenas in circuses were shaped as a regular (equiangular) polygon, the size and the number of angles could vary from one circus to another. In each... | Step 1: The task is to find the smallest possible area of the ancient circus arena given the coordinates of three pillars.
Step 2: To solve this, we first need to define the mathematical formulas to calculate the distance, area of a triangle, radius, angle, and polygon sides.
Step 3: Then we use these formulas to pe... | 7342944e855748710fb740762bd9198575677e502a69cae597b985be25b75a18_1_1 | 7a4d819113d85eb9b20e5e349768d2d8c73a13c62f362c31cd7114fe75632c81 |
Coding | codecontest | Write Python code to solve the task.
Robot Doc is located in the hall, with n computers stand in a line, numbered from left to right from 1 to n. Each computer contains exactly one piece of information, each of which Doc wants to get eventually. The computers are equipped with a security system, so to crack the i-th of... | Step 1: To solve this problem, we need to gather information from the i-th computer while moving in both the left and right direction.
Step 2: We should keep track of the number of information pieces collected and the number of changes in direction.
Step 3: We need to define a logic to determine the robot's actions ... | 97c260a11fc9684a8b5bb4f6893046b2458207bdb36f320c4b5091b0a4753dd9_1_1 | 91946c55b0b93a2f3a0b04146f0e20f65d8fc9f61e1cd25c66e8d394a5b4c77f |
Coding | codecontest | Write Python code to solve the task.
Robot Doc is located in the hall, with n computers stand in a line, numbered from left to right from 1 to n. Each computer contains exactly one piece of information, each of which Doc wants to get eventually. The computers are equipped with a security system, so to crack the i-th of... | Step 1: The problem requires us to determine the minimum number of changes in direction that the robot will have to make to collect all n pieces of information.
Step 2: To solve this problem, the robot navigates the given line of computers based on the information collected from each computer.
Step 3: We will itera... | d90853198b2b4d8330064f0ed1c98c1a42196253de2f5c8849594488feac7957_1_1 | 91946c55b0b93a2f3a0b04146f0e20f65d8fc9f61e1cd25c66e8d394a5b4c77f |
Coding | codecontest | Write Python code to solve the task.
Robot Doc is located in the hall, with n computers stand in a line, numbered from left to right from 1 to n. Each computer contains exactly one piece of information, each of which Doc wants to get eventually. The computers are equipped with a security system, so to crack the i-th of... | Step 1: We need to determine the minimum number of direction changes the robot will have to make to collect all pieces of information.
Step 2: The robot can move along the line of computers in either direction, and to crack the i-th computer, it must collect at least ai pieces of information from the other computers.... | dca4d57697739e3731908dafcc00fc9bf9a0b7ad6254ad58abc5318b56eb1b77_1_1 | 91946c55b0b93a2f3a0b04146f0e20f65d8fc9f61e1cd25c66e8d394a5b4c77f |
Coding | codecontest | Write Python code to solve the task.
Grisha come to a contest and faced the following problem.
You are given an array of size n, initially consisting of zeros. The elements of the array are enumerated from 1 to n. You perform q operations on the array. The i-th operation is described with three integers l_i, r_i and x... | Step 1: The problem requires finding the maximum values in the array that can be obtained by applying some subset of the given operations. We need to effectively perform the operations and track the maximum value resulting from these operations.
Step 2: To solve this, we can use dynamic programming to store the maxim... | af5cd4ba77342b59d11e78d1e2d39d387b08a079ffb49e03e6de335b6ceb2c21_1_1 | 4eff21158e9d8ccce2dc978b1e16e04ffb36e5cd7728f649261c2f67750fc393 |
Coding | codecontest | Write Python code to solve the task.
Grisha come to a contest and faced the following problem.
You are given an array of size n, initially consisting of zeros. The elements of the array are enumerated from 1 to n. You perform q operations on the array. The i-th operation is described with three integers l_i, r_i and x... | Step 1:
The problem is to find all integers that can be the maximum in the array after applying some subset of the given operations. We should first understand the structure of the queries and how to use these operations effectively to find the maximum for different subsets.
We can use the concept of dynamic programm... | 083b6a461f0d9a4622969e40cedec1451c19773a7765d422f8a4c79d3d78c3a6_1_1 | 4eff21158e9d8ccce2dc978b1e16e04ffb36e5cd7728f649261c2f67750fc393 |
Coding | codecontest | Write Python code to solve the task.
Grisha come to a contest and faced the following problem.
You are given an array of size n, initially consisting of zeros. The elements of the array are enumerated from 1 to n. You perform q operations on the array. The i-th operation is described with three integers l_i, r_i and x... | Step 1: We need to find all integers between 1 and n that can become the maximum value in the array after applying some subset of the given operations.
Step 2: To solve this problem, we need to read the input and then iterate through each query to determine the possible values of the maximum in the array.
Step 3: We... | 7d67bfc87a751111912d5ba33aa750a5189306f3ad63d545d7a4760a86de3073_1_1 | 4eff21158e9d8ccce2dc978b1e16e04ffb36e5cd7728f649261c2f67750fc393 |
Coding | codecontest | Write Python code to solve the task.
Aizu is famous for its buckwheat. There are many people who make buckwheat noodles by themselves.
One day, you went shopping to buy buckwheat flour. You can visit three shops, A, B and C. The amount in a bag and its unit price for each shop is determined by the follows table. Note ... | Step 1: The problem requires a program that calculates the lowest cost to buy a given amount of flour from three different shops, with specific bag sizes and unit prices, taking into account discounts.
Step 2: To achieve this, we need to use dynamic programming to determine the lowest cost for different amounts of fl... | 32b6f1f4d8f5bc0556d09b9ccab1a7dd5f008c304d3a5fa69857d53ef1d0d191_1_1 | e27d161e71e68735b65028998c8ac1591021198fbd548289f232fd261332951d |
Coding | codecontest | Write Python code to solve the task.
Aizu is famous for its buckwheat. There are many people who make buckwheat noodles by themselves.
One day, you went shopping to buy buckwheat flour. You can visit three shops, A, B and C. The amount in a bag and its unit price for each shop is determined by the follows table. Note ... | Step 1: To solve this problem, we need to find the lowest cost to buy a given amount of flour from the available shops.
Step 2: We have to consider the discount for buying multiple bags from each shop and their unit prices.
Step 3: We might need to create a lookup table to store the discounted prices for different c... | 6e95eca1e86869845c2765d74804bac4af1fa37939f99d9f56e02c46d3d088ea_1_1 | e27d161e71e68735b65028998c8ac1591021198fbd548289f232fd261332951d |
Coding | codecontest | Write Python code to solve the task.
Aizu is famous for its buckwheat. There are many people who make buckwheat noodles by themselves.
One day, you went shopping to buy buckwheat flour. You can visit three shops, A, B and C. The amount in a bag and its unit price for each shop is determined by the follows table. Note ... | Step 1: The problem requires finding the lowest cost to buy exactly the same amount of flour as the given input.
Step 2: To solve the problem, it is necessary to compare the cost of buying the flour from three different shops, taking into account their discounts based on the number of bags purchased.
Step 3: We can ... | af75ae58d172f50b68e9da98e51c96229c4991489fad3fc3960b781129abe207_1_1 | e27d161e71e68735b65028998c8ac1591021198fbd548289f232fd261332951d |
Coding | codecontest | Write Python code to solve the task.
Little Jhool is an addict. No, unlike the usual drug addicts, he's an addict of the good kind: the shopping addict. Some of his friends also call him a shopaholic, though he tries his level best to deny the title given to him by his friends. Now, he has some favorite websites as we ... | Step 1: The problem requires pairing up lists in a way that minimizes the difference between the girl Jhool spends the maximum time with and the girl he spends the minimum time with.
Step 2: The possible pairings can be obtained by sorting the lists and then pairing the first list with the last list, the second list ... | 29dbde924014c18a05545a83eec539e3c9e79b6b83ee87e983344c644443e1e0_1_1 | 7d77ba2948812be7fa31ce38253f4ec91ac098230550f86a9e1608b3910149dc |
Coding | codecontest | Write Python code to solve the task.
Little Jhool is an addict. No, unlike the usual drug addicts, he's an addict of the good kind: the shopping addict. Some of his friends also call him a shopaholic, though he tries his level best to deny the title given to him by his friends. Now, he has some favorite websites as we ... | Step 1: The problem involves pairing different lists in such a way that the difference between the girl Jhool is going to spend the maximum time with and the girl it's going to spend the minimum time with is minimized.
Step 2: It is necessary to calculate the total time spent for each pair and then find the differenc... | 32c593b4bbe6e555d06c8ae4dfa273dc5aee646580edae086d9bca1272b1b804_1_1 | 7d77ba2948812be7fa31ce38253f4ec91ac098230550f86a9e1608b3910149dc |
Coding | codecontest | Write Python code to solve the task.
Little Jhool is an addict. No, unlike the usual drug addicts, he's an addict of the good kind: the shopping addict. Some of his friends also call him a shopaholic, though he tries his level best to deny the title given to him by his friends. Now, he has some favorite websites as we ... | Step 1: The problem asks us to find the minimum difference between the pairings of shopping lists such that the difference is minimized and compare it with the constant factor, k.
Step 2: We need to first calculate the total expense for each pairing and then select the minimum and maximum pair to calculate the differ... | 7fbcb61d825a1de66db00ba1e66cd30b82f85134d26664b63d2b6ba187010ba5_1_1 | 7d77ba2948812be7fa31ce38253f4ec91ac098230550f86a9e1608b3910149dc |
Coding | codecontest | Write Python code to solve the task.
We have a pyramid with N steps, built with blocks. The steps are numbered 1 through N from top to bottom. For each 1≤i≤N, step i consists of 2i-1 blocks aligned horizontally. The pyramid is built so that the blocks at the centers of the steps are aligned vertically.
<image>
A pyra... | Step 1: The logic to solve this problem involves finding a permutation that could have been written into the blocks of step N.
Step 2: Since the permutation depends on the blocks of step 1 and the rules given, we can create a solution to determine if a valid permutation exists based on the input.
Step 3: We need to ... | 207211d7a0add841c6353aa0103e8907403b214b725eae19a7df66c64e509313_1_1 | ba5b844bfa96535c0456cadaf00cc1ff92f84295a93fa2cc1fb5744bf0fa4ed5 |
Coding | codecontest | Write Python code to solve the task.
We have a pyramid with N steps, built with blocks. The steps are numbered 1 through N from top to bottom. For each 1≤i≤N, step i consists of 2i-1 blocks aligned horizontally. The pyramid is built so that the blocks at the centers of the steps are aligned vertically.
<image>
A pyra... | Step 1: We are given a pyramid with N steps built with blocks, and a permutation of (1, 2, ..., 2N-1) is written into the blocks of step N.
Step 2: Then integers are written into all remaining blocks under certain rules. We need to construct a permutation that could have been written into the blocks of step N.
Step 3... | 3137e17f1bf1437c5bf7b6eff7ea5d716bd73dacbdb64542b9eaada3d63c3def_1_1 | ba5b844bfa96535c0456cadaf00cc1ff92f84295a93fa2cc1fb5744bf0fa4ed5 |
Coding | codecontest | Write Python code to solve the task.
We have a pyramid with N steps, built with blocks. The steps are numbered 1 through N from top to bottom. For each 1≤i≤N, step i consists of 2i-1 blocks aligned horizontally. The pyramid is built so that the blocks at the centers of the steps are aligned vertically.
<image>
A pyra... | Step 1: The problem requires us to create a permutation of 1 to 2N-1 to fit into a pyramid with N steps and a specific value at the top step.
Step 2: Snuke's memory would be incorrect if x=1 or x=2N-1, as even or odd values will not align with the vertical center of the pyramid.
Step 3: We need to construct the perm... | 735de1b417e5444476a9c0d4464da2cea31c1f49afb7266710e3e61067acb101_1_1 | ba5b844bfa96535c0456cadaf00cc1ff92f84295a93fa2cc1fb5744bf0fa4ed5 |
Coding | codecontest | Write Python code to solve the task.
A thief sneaked into a museum with a lot of treasures with only one large furoshiki. There are many things I want to steal, but the weight that the furoshiki can withstand is limited, and if it exceeds this, the furoshiki will tear. Therefore, the thief must consider a combination o... | Step 1: The problem involves finding the most valuable combination of treasures that can fit within a weight limit.
Step 2: To solve this, we can use dynamic programming to iterate through the different weights and determine the maximum value that can be achieved with each weight.
Step 3: We'll use a 2D array to sto... | 0535a2b6eaf3394d7176276dc59c18b74a2efda3f293f57ceb979adb0dcbe68d_1_1 | 1997fa0c81ba2aefc93a501e59059a91e31a0c3fda214c2e4f27bc44f741a8b7 |
Coding | codecontest | Write Python code to solve the task.
A thief sneaked into a museum with a lot of treasures with only one large furoshiki. There are many things I want to steal, but the weight that the furoshiki can withstand is limited, and if it exceeds this, the furoshiki will tear. Therefore, the thief must consider a combination o... | Step 1: To solve this problem, we need to find the combination of treasures that maximizes the value while keeping the total weight within the limit W.
Step 2: We can use dynamic programming to solve this problem, as we need to consider all possible combinations of treasures to find the optimal solution.
Step 3: The... | d8bf3a3651f818b53df872b59e967581bb1f15b324b6891e57bf8b04660cecb9_1_1 | 1997fa0c81ba2aefc93a501e59059a91e31a0c3fda214c2e4f27bc44f741a8b7 |
Coding | codecontest | Write Python code to solve the task.
A thief sneaked into a museum with a lot of treasures with only one large furoshiki. There are many things I want to steal, but the weight that the furoshiki can withstand is limited, and if it exceeds this, the furoshiki will tear. Therefore, the thief must consider a combination o... | Step 1: To solve this problem, we need to find the combination of treasures that maximizes the sum of values without exceeding the weight limit of the furoshiki.
Step 2: We can use dynamic programming to solve this problem. We will iterate through each treasure and update the maximum value that can be achieved for ea... | f14f4ec5d93bc32a5c7f25e8bcb98838c6af2a8d9e07a5ccf301d3de7b5af44b_1_1 | 1997fa0c81ba2aefc93a501e59059a91e31a0c3fda214c2e4f27bc44f741a8b7 |
Coding | codecontest | Write Python code to solve the task.
You are given a rooted tree with n vertices. The vertices are numbered from 1 to n, the root is the vertex number 1.
Each vertex has a color, let's denote the color of vertex v by cv. Initially cv = 0.
You have to color the tree into the given colors using the smallest possible nu... | Step 1: In this problem, we are given a rooted tree with vertices and colors assigned to each vertex.
Step 2: We need to color the tree into the given colors using the smallest possible number of steps.
Step 3: We need to iterate through the vertices and check if the color at the current vertex is different from its... | 69f8ebcd94849b95e68e1af216fe4c8539891fd41727842007995a75f7e6314c_1_1 | d8a419b2e00f7cc38c86806198cbcb9351c2df470f2533ce762beaa48a2991f4 |
Coding | codecontest | Write Python code to solve the task.
You are given a rooted tree with n vertices. The vertices are numbered from 1 to n, the root is the vertex number 1.
Each vertex has a color, let's denote the color of vertex v by cv. Initially cv = 0.
You have to color the tree into the given colors using the smallest possible nu... | Step 1: To solve this problem, we need to understand how to color the tree into the given colors with the smallest possible number of steps.
Step 2: First, we need to gather the information about the tree (vertices and edges) and the colors of the vertices.
Step 3: Then, we need to determine the minimum number of st... | 5f9b8c3cf1f89f43e3187b60e421c3a6b06e97ee464089c353ee385af87c22c6_1_1 | d8a419b2e00f7cc38c86806198cbcb9351c2df470f2533ce762beaa48a2991f4 |
Coding | codecontest | Write Python code to solve the task.
You are given a rooted tree with n vertices. The vertices are numbered from 1 to n, the root is the vertex number 1.
Each vertex has a color, let's denote the color of vertex v by cv. Initially cv = 0.
You have to color the tree into the given colors using the smallest possible nu... | Step 1: To solve this problem, we can use a breadth-first search (BFS) to traverse the tree starting from the root (vertex number 1).
Step 2: We can then keep track of the vertex colors and identify the minimum number of steps required to color the entire tree with the given colors.
Step 3: We'll traverse the tree u... | bf7344533ea52158aac5f461f6ce1b04edc2b1b5a713b16287c982d09af58107_1_1 | d8a419b2e00f7cc38c86806198cbcb9351c2df470f2533ce762beaa48a2991f4 |
Coding | codecontest | Write Python code to solve the task.
Let's call an array consisting of n integer numbers a1, a2, ..., an, beautiful if it has the following property:
* consider all pairs of numbers x, y (x ≠ y), such that number x occurs in the array a and number y occurs in the array a;
* for each pair x, y must exist some posi... | Step 1: The problem requires finding the maximum amount of money Sereja can pay to Dima.
Step 2: The input consists of n and m, representing the length of the array and the number of coupons, respectively. The following m lines contain pairs of integers representing the qi and wi values, respectively.
Step 3: To sol... | a364036bb88e8e774fe6f91432fde4c34bc45ac9b84821b3d29c82aa7716471e_1_1 | 9d3271827e4ef781e19a3a273e3ef1a4963885b890022c5105523c5e8dcffacd |
Coding | codecontest | Write Python code to solve the task.
Let's call an array consisting of n integer numbers a1, a2, ..., an, beautiful if it has the following property:
* consider all pairs of numbers x, y (x ≠ y), such that number x occurs in the array a and number y occurs in the array a;
* for each pair x, y must exist some posi... | Step 1: The problem requires finding the maximum amount of money Sereja can pay to Dima where Dima constructs a beautiful array of n elements using m coupons.
Step 2: We need to analyze the cost associated with each coupon and find a strategy to maximize the amount paid.
Step 3: The code provided takes the input va... | b19cf2cb62341a815149152b7cc32f2bbd78d91363f5d1b0d8c442bbe2b45512_1_1 | 9d3271827e4ef781e19a3a273e3ef1a4963885b890022c5105523c5e8dcffacd |
Coding | codecontest | Write Python code to solve the task.
Let's call an array consisting of n integer numbers a1, a2, ..., an, beautiful if it has the following property:
* consider all pairs of numbers x, y (x ≠ y), such that number x occurs in the array a and number y occurs in the array a;
* for each pair x, y must exist some posi... | Step 1: The problem defines the conditions for an array to be beautiful.
Step 2: The key to solving the problem lies in finding the maximum amount of money Sereja can pay to Dima.
Step 3: To achieve that, the function MaxmiumNode takes the number of edges and maximum node as input and returns the maximum value possi... | 7ecea1bc48a2d3ba739f3be56a9a98352f5e123b5fc305a3e62011dbe571c551_1_1 | 9d3271827e4ef781e19a3a273e3ef1a4963885b890022c5105523c5e8dcffacd |
Coding | codecontest | Write Python code to solve the task.
Kevin and Nicky Sun have invented a new game called Lieges of Legendre. In this game, two players take turns modifying the game state with Kevin moving first. Initially, the game is set up so that there are n piles of cows, with the i-th pile containing ai cows. During each player's... | Step 1: The problem requires determining the winner of the game called Lieges of Legendre, where players take turns modifying the game state.
Step 2: We can use dynamic programming to calculate the Grundy numbers for each pile according to the game rules.
Step 3: The Grundy number represents the state of a single ... | 3b92228ba70a48e2e1a9d4241fa5a72e4c4f798652362d5692f1ef14aa4f29ac_1_1 | 151f6f92a45ce7533ed2e051887cdda22b6be47ef4b4f6a990c629968f349975 |
Coding | codecontest | Write Python code to solve the task.
Kevin and Nicky Sun have invented a new game called Lieges of Legendre. In this game, two players take turns modifying the game state with Kevin moving first. Initially, the game is set up so that there are n piles of cows, with the i-th pile containing ai cows. During each player's... | Step 1: The given problem is a game theory problem that requires determining the winner based on optimal moves. The game consists of changing the state of the game based on alternating turns by the two players.
Step 2: We can model the game using a recursive mathematical function to determine the winning strategy for... | b2d629c5a1d0c8f109335d721e5ef6547bd00621c564211038345e450850ee32_1_1 | 151f6f92a45ce7533ed2e051887cdda22b6be47ef4b4f6a990c629968f349975 |
Coding | codecontest | Write Python code to solve the task.
Kevin and Nicky Sun have invented a new game called Lieges of Legendre. In this game, two players take turns modifying the game state with Kevin moving first. Initially, the game is set up so that there are n piles of cows, with the i-th pile containing ai cows. During each player's... | Step 1: This code seems to implement a game scheme called "Lieges of Legendre". It calculates the winner of the game based on the initial game state and the actions available to the players.
Step 2: The function getsg() appears to calculate the Sprague-Grundy values for the different numbers of cows in the game based... | b9d82ea6d095969cd1ca3bbee3d150d9378038ce9bfdd04b6f5dcd2b581f9401_1_1 | 151f6f92a45ce7533ed2e051887cdda22b6be47ef4b4f6a990c629968f349975 |
Coding | codecontest | Write Python code to solve the task.
There is an automatic door at the entrance of a factory. The door works in the following way:
* when one or several people come to the door and it is closed, the door immediately opens automatically and all people immediately come inside,
* when one or several people come to t... | Step 1: The problem wants us to calculate the number of times the automatic door will open based on certain conditions for employees and clients entering the factory.
Step 2: We need to keep track of the time when the door opens and closes and the number of employees and clients.
Step 3: There is also a rule regardi... | 20239c4886fef254f6f841ce04066713a7bc24149187583b405d3080d0f56c3b_1_1 | 728211731627d66bff5deed50d2219caeb46969ed2dd1b73ff66df86a46b67cc |
Coding | codecontest | Write Python code to solve the task.
There is an automatic door at the entrance of a factory. The door works in the following way:
* when one or several people come to the door and it is closed, the door immediately opens automatically and all people immediately come inside,
* when one or several people come to t... | Step 1: The problem requires a program to determine the number of times the automatic door will open based on given inputs.
Step 2: We need to consider the different scenarios for the employees and clients entering the door, as well as the timing of the door opening and closing.
Step 3: To calculate the number of ti... | cb37f0cf682460cf3b30b5debfc610978b2795be361c3d441b65fa631b6aa647_1_1 | 728211731627d66bff5deed50d2219caeb46969ed2dd1b73ff66df86a46b67cc |
Coding | codecontest | Write Python code to solve the task.
There is an automatic door at the entrance of a factory. The door works in the following way:
* when one or several people come to the door and it is closed, the door immediately opens automatically and all people immediately come inside,
* when one or several people come to t... | Step 1: The solution seems to be quite complex. We need to understand the specifications of the automatic door's operation and how it affects the entrance of employees and clients.
Step 2: We can start by defining a function that calculates the number of door openings and closings based on the arrival times of the em... | cfa6936c703a589e61c67eb09aea671494f298b1bd726c67b876f115393d4272_1_1 | 728211731627d66bff5deed50d2219caeb46969ed2dd1b73ff66df86a46b67cc |
Coding | codecontest | Write Python code to solve the task.
Valentin participates in a show called "Shockers". The rules are quite easy: jury selects one letter which Valentin doesn't know. He should make a small speech, but every time he pronounces a word that contains the selected letter, he receives an electric shock. He can make guesses ... | Step 1: To solve this problem, we need to determine the unique letter by using the pronunciations and guesses made by Valentin.
Step 2: We can start by defining two functions to find the common letters and the remaining letters between two words.
Step 3: Then, we can simulate the process of Valentin's actions to fin... | f38141339a730b47ef3a32373513463e0a20431141af89e610d3724dd0dc44af_1_1 | 3c0bdb1307e1cb49ba735573a56331e42af4094854884ae52010547f127b06f5 |
Coding | codecontest | Write Python code to solve the task.
Valentin participates in a show called "Shockers". The rules are quite easy: jury selects one letter which Valentin doesn't know. He should make a small speech, but every time he pronounces a word that contains the selected letter, he receives an electric shock. He can make guesses ... | Step 1: To solve this problem, we need to understand the rules and actions of Valentin's speech on the show "Shockers".
Step 2: We need to track the guess and determine how many electric shocks Valentin could have avoided if he had told the selected letter just after it became uniquely determined.
Step 3: We need to... | 89bb9c3404da5661a3d517f373c7e265b60a95370a5bfd3e3ce3b82fe05e3d10_1_1 | 3c0bdb1307e1cb49ba735573a56331e42af4094854884ae52010547f127b06f5 |
Coding | codecontest | Write Python code to solve the task.
Valentin participates in a show called "Shockers". The rules are quite easy: jury selects one letter which Valentin doesn't know. He should make a small speech, but every time he pronounces a word that contains the selected letter, he receives an electric shock. He can make guesses ... | Step 1: The problem requires finding the number of excessive electric shocks Valentin experienced. Excessive electric shocks are the ones he got after the moment when the selected letter can be uniquely determined.
Step 2: The input consists of Valentin's actions, represented by strings of three types: electric shoc... | bd2bd41eeabb89f8107b75bbc7d953acdea8eec8214825063d1c47343871f36d_1_1 | 3c0bdb1307e1cb49ba735573a56331e42af4094854884ae52010547f127b06f5 |
Coding | codecontest | Write Python code to solve the task.
After waking up at hh:mm, Andrew realised that he had forgotten to feed his only cat for yet another time (guess why there's only one cat). The cat's current hunger level is H points, moreover each minute without food increases his hunger by D points.
At any time Andrew can visit t... | Step 1: To solve this problem, we need to calculate the minimum amount of money Andrew has to spend to feed his cat based on the given conditions.
Step 2: We need to consider the cat's hunger level, the increase in hunger with time, the cost and hunger reduction of the buns, and the special discount available after 2... | e8386121c6517891f159963b0d8a64e671504b03568656c819230bd77bf4fe67_1_1 | 101369aa003ef0a8782c45cbfb4f92a70cf5c3b506ba397fb5efff248065d236 |
Coding | codecontest | Write Python code to solve the task.
After waking up at hh:mm, Andrew realised that he had forgotten to feed his only cat for yet another time (guess why there's only one cat). The cat's current hunger level is H points, moreover each minute without food increases his hunger by D points.
At any time Andrew can visit t... | Step 1: To solve this problem, we need to consider the different scenarios based on the time of Andrew's awakening and the available discount.
Step 2: We need to determine the minimum amount of money Andrew has to spend to feed his cat. We can do this by calculating the number of buns to purchase and the cost with th... | 666bd80abb61f77851c83df00683c098f65c093392d1c30e1b39674d9db25598_1_1 | 101369aa003ef0a8782c45cbfb4f92a70cf5c3b506ba397fb5efff248065d236 |
Coding | codecontest | Write Python code to solve the task.
After waking up at hh:mm, Andrew realised that he had forgotten to feed his only cat for yet another time (guess why there's only one cat). The cat's current hunger level is H points, moreover each minute without food increases his hunger by D points.
At any time Andrew can visit t... | Step 1: The problem involves calculating the minimum amount of money needed to feed a cat based on the time of day and current hunger level.
Step 2: We need to consider the effect of time on hunger level and the availability of a discount.
Step 3: We need to calculate the number of buns required to feed the cat befo... | af49ffd66caa73f020d7d88ac4b07becc86627bba3733580c90618e131ba37c1_1_1 | 101369aa003ef0a8782c45cbfb4f92a70cf5c3b506ba397fb5efff248065d236 |
Coding | codecontest | Write Python code to solve the task.
The only difference between easy and hard versions is the number of elements in the array.
You are given an array a consisting of n integers. In one move you can choose any a_i and divide it by 2 rounding down (in other words, in one move you can set a_i := ⌊(a_i)/(2)⌋).
You can p... | Step 1: The given code is written in Python 2, and we need to convert it to Python 3.
Step 2: Before converting the code, we need to understand its functionality and process.
Step 3: The code implementation involves various functions and complex logic, which includes sorting the input array, creating a dictionary, p... | 4d8eac3527b9ae83a66d52da8ff92e50e4214f3fc1395be4f4fc8c09d273d5d1_1_1 | 1813867441577451c7a05b1f5e8eb0c30781108f8d95ccb67f1768349e8eab15 |
Coding | codecontest | Write Python code to solve the task.
The only difference between easy and hard versions is the number of elements in the array.
You are given an array a consisting of n integers. In one move you can choose any a_i and divide it by 2 rounding down (in other words, in one move you can set a_i := ⌊(a_i)/(2)⌋).
You can p... | Step 1: The problem requires counting the minimum number of operations needed to make at least k numbers in the array equal.
Step 2: To solve the problem, we need to consider the possible operations and how they affect the count of equal numbers in the array.
Step 3: We should also consider that the operations reduc... | e7fca8e19616a093566855fc273183309e397d83b8078c01d61322d121aa1e3e_1_1 | 1813867441577451c7a05b1f5e8eb0c30781108f8d95ccb67f1768349e8eab15 |
Coding | codecontest | Write Python code to solve the task.
The only difference between easy and hard versions is the number of elements in the array.
You are given an array a consisting of n integers. In one move you can choose any a_i and divide it by 2 rounding down (in other words, in one move you can set a_i := ⌊(a_i)/(2)⌋).
You can p... | Step 1: This problem requires us to calculate the minimum possible number of operations required to obtain at least k equal numbers in the array.
Step 2: We can start by mapping out the numbers in the array and tracking the counts of each element and the number of times it needs to be divided by 2.
Step 3: From thes... | 7638e26302198d69579983f1244bd3d8504bab23771bb1c9bcbb0214df22f5ec_1_1 | 1813867441577451c7a05b1f5e8eb0c30781108f8d95ccb67f1768349e8eab15 |
Coding | codecontest | Write Python code to solve the task.
Ryouko is an extremely forgetful girl, she could even forget something that has just happened. So in order to remember, she takes a notebook with her, called Ryouko's Memory Note. She writes what she sees and what she hears on the notebook, and the notebook became her memory.
Thoug... | Step 1: The problem outlines a scenario where Ryouko needs to merge two pages in her notebook in order to minimize the number of pages she needs to turn while reading information.
Step 2: The goal is to find the minimum number of pages she needs to turn after considering the possible merges of two pages before readin... | 27fab0b8d075154db7d474ca5123f9677af1c258d568cdb98a7191acec9e4278_1_1 | 49809659819e1f54f9504eeb4b3b1a1a79f1eca98cc6aae57c18613f15677a72 |
Coding | codecontest | Write Python code to solve the task.
Ryouko is an extremely forgetful girl, she could even forget something that has just happened. So in order to remember, she takes a notebook with her, called Ryouko's Memory Note. She writes what she sees and what she hears on the notebook, and the notebook became her memory.
Thoug... | Step 1: The problem requires finding the minimum number of pages Ryouko needs to turn when reading information from her notebook.
Step 2: We can start by obtaining the input values, which are the number of pages in the notebook and the sequence of information pieces on each page.
Step 3: Then we need to calculate th... | 9dfac3fcfcd285e228e0529279512a4df9c5dcc631048431429f3fa626a666e1_1_1 | 49809659819e1f54f9504eeb4b3b1a1a79f1eca98cc6aae57c18613f15677a72 |
Coding | codecontest | Write Python code to solve the task.
Ryouko is an extremely forgetful girl, she could even forget something that has just happened. So in order to remember, she takes a notebook with her, called Ryouko's Memory Note. She writes what she sees and what she hears on the notebook, and the notebook became her memory.
Thoug... | Step 1: The problem requires optimizing the number of pages Ryouko needs to turn by merging pages to minimize the total number of pages that need to be turned.
Step 2: To solve this, we should minimize the number of page turns required by analyzing all possible merge scenarios and their respective effects on the tota... | bf2ea3c6709797e54322a0748a490c80a457a482691e5003f3731a285c94c348_1_1 | 49809659819e1f54f9504eeb4b3b1a1a79f1eca98cc6aae57c18613f15677a72 |
Coding | codecontest | Write Python code to solve the task.
Vasya is preparing a contest, and now he has written a statement for an easy problem. The statement is a string of length n consisting of lowercase Latin latters. Vasya thinks that the statement can be considered hard if it contains a subsequence hard; otherwise the statement is eas... | Step 1: The problem asks us to find the minimum ambiguity of a statement after removing some characters so that it becomes easy.
Step 2: We are given a string consisting of lowercase Latin letters and an array of integers (a_i) representing the ambiguity of each character.
Step 3: To solve this problem, we can itera... | f8aaab9b1cb7edf4379629090f05293e22d988e65349e166753d7fca7fa88908_1_1 | 656e6700a93d1122936b26af3a13f1bd41a40515c85c672ec8eebc068b871f5d |
Coding | codecontest | Write Python code to solve the task.
Vasya is preparing a contest, and now he has written a statement for an easy problem. The statement is a string of length n consisting of lowercase Latin latters. Vasya thinks that the statement can be considered hard if it contains a subsequence hard; otherwise the statement is eas... | Step 1: The problem requires us to calculate the minimum ambiguity of the statement by removing some characters so that the resulting statement is easy.
Step 2: We need to go through the string and update the ambiguity based on the occurrence of the letters in the word "hard".
Step 3: We should calculate the minimu... | 9f084d7e4cdaadfb254a380c4ef303de661f096477fc9bc9eed0d79b386849ba_1_1 | 656e6700a93d1122936b26af3a13f1bd41a40515c85c672ec8eebc068b871f5d |
Coding | codecontest | Write Python code to solve the task.
Vasya is preparing a contest, and now he has written a statement for an easy problem. The statement is a string of length n consisting of lowercase Latin latters. Vasya thinks that the statement can be considered hard if it contains a subsequence hard; otherwise the statement is eas... | Step 1: The problem requires us to calculate the minimum ambiguity of the statement, where we possibly remove some characters for the resulting statement to be 'easy'. We should understand an 'easy' statement to be a string that does not contain all of the characters required to spell 'hard'.
Step 2: We need to dete... | d49d4283a279f8356ac51e272578edab5bf77e03c777f7cb4c1dea294caec919_1_1 | 656e6700a93d1122936b26af3a13f1bd41a40515c85c672ec8eebc068b871f5d |
Coding | codecontest | Write Python code to solve the task.
In Python, code blocks don't have explicit begin/end or curly braces to mark beginning and end of the block. Instead, code blocks are defined by indentation.
We will consider an extremely simplified subset of Python with only two types of statements.
Simple statements are written ... | Step 1: The code seems to be counting the number of ways that the statements can be indented based on the input.
Step 2: It calculates this by counting the number of different ways to form a valid Python program by adding a "for statement" to the input sequence.
Step 3: The number of ways to form an indented progra... | a6350da5c9c3c39b9fe02ed8fca80ec87773e6b897f3fece02d4948f69247f5d_1_1 | c2e38a43b6ada7c91c015cb880a4e09b9d334cc0fd6ac9a1d866aa0fa775a823 |
Coding | codecontest | Write Python code to solve the task.
In Python, code blocks don't have explicit begin/end or curly braces to mark beginning and end of the block. Instead, code blocks are defined by indentation.
We will consider an extremely simplified subset of Python with only two types of statements.
Simple statements are written ... | Step 1:
<ul>
<li>To solve this problem, we need to determine the possible ways to indent the given sequence of statements to form a valid Python program.</li>
<li>Each for statement can contain one or more other statements, so we need to consider different options for each for statement.</li>
<li>The simplest way to a... | 4d4b22f0cc71f9508baa746434fd806d59d788d6d6a5de842e36e84732f36fe5_1_1 | c2e38a43b6ada7c91c015cb880a4e09b9d334cc0fd6ac9a1d866aa0fa775a823 |
Coding | codecontest | Write Python code to solve the task.
In Python, code blocks don't have explicit begin/end or curly braces to mark beginning and end of the block. Instead, code blocks are defined by indentation.
We will consider an extremely simplified subset of Python with only two types of statements.
Simple statements are written ... | Step 1: The problem involves determining the number of ways to indent a sequence of for and simple statements to form a valid Python program.
Step 2: We can start by reading the input and processing the sequence of statements.
Step 3: Then, we can use dynamic programming to compute the number of ways to indent the s... | e1040e658b6a5fe4a2fdbfb76facf421d59964d5a219e4ebcecbdd356a58aadd_1_1 | c2e38a43b6ada7c91c015cb880a4e09b9d334cc0fd6ac9a1d866aa0fa775a823 |
Coding | codecontest | Write Python code to solve the task.
Efim just received his grade for the last test. He studies in a special school and his grade can be equal to any positive decimal fraction. First he got disappointed, as he expected a way more pleasant result. Then, he developed a tricky plan. Each second, he can ask his teacher to ... | Step 1:
The problem asks us to help Efim find the maximum grade he can get in a certain number of seconds with rounding. So, we need to write a function that takes the grade and the number of seconds as inputs, and it should output the maximum grade after the specified number of seconds.
We can achieve this by simulat... | c75cea01e6da0c870e5ff21419dbb3c360f94e7278ee3696cd89c660661b06a3_1_1 | 75bd51673e483b4eca3ff28b12a3cbed88877f44bbd3db48a83167da21dd7b16 |
Coding | codecontest | Write Python code to solve the task.
Efim just received his grade for the last test. He studies in a special school and his grade can be equal to any positive decimal fraction. First he got disappointed, as he expected a way more pleasant result. Then, he developed a tricky plan. Each second, he can ask his teacher to ... | Step 1: The problem requires us to find the maximum grade that Efim can get in a given number of seconds, using specific rounding rules.
Step 2: We need to understand the rounding rules and apply them to the input grade to find the maximum possible grade within the time constraint.
Step 3: We also need to carefull... | 4a504a42aff5a6d91063dd5a6ac6239f9c4a66db853d68132293881118e7f32c_1_1 | 75bd51673e483b4eca3ff28b12a3cbed88877f44bbd3db48a83167da21dd7b16 |
Coding | codecontest | Write Python code to solve the task.
Efim just received his grade for the last test. He studies in a special school and his grade can be equal to any positive decimal fraction. First he got disappointed, as he expected a way more pleasant result. Then, he developed a tricky plan. Each second, he can ask his teacher to ... | Step 1: The problem seems to be about rounding decimal fractions according to specific rules and finding the maximum possible rounding for a given number of seconds.
Step 2: We need to extract the integer and decimal parts of the number, and based on the decimal part, decide whether to round and by how many decimal p... | ec2bed9470e6096e43919ec8548619d0dec41dbc96283349c081d3b703997a9e_1_1 | 75bd51673e483b4eca3ff28b12a3cbed88877f44bbd3db48a83167da21dd7b16 |
Coding | codecontest | Write Python code to solve the task.
Little girl Alyona is in a shop to buy some copybooks for school. She study four subjects so she wants to have equal number of copybooks for each of the subjects. There are three types of copybook's packs in the shop: it is possible to buy one copybook for a rubles, a pack of two co... | Step 1: To solve this problem, we need to find the minimum amount of rupees Alyona should pay to buy the number of copybooks such that the sum of her current copybooks and the new ones is divisible by 4, and the number of copybooks of each type is equal.
Step 2: We can calculate the number of each type of copybook sh... | aadc3e308cb8438524447af49104f5c57bdcdfa550ed72c161d094fb957983c8_1_1 | 1072424cb12f336e94ad70b9849f6d76a964d2d434b3d0625c3270af13ae2343 |
Coding | codecontest | Write Python code to solve the task.
Little girl Alyona is in a shop to buy some copybooks for school. She study four subjects so she wants to have equal number of copybooks for each of the subjects. There are three types of copybook's packs in the shop: it is possible to buy one copybook for a rubles, a pack of two co... | Step 1: To solve this problem, we need to consider the various combinations of buying copybooks to reach a total number of copybooks that is divisible by 4.
Step 2: The cost of buying different numbers of copybooks should also be considered.
Step 3: We need to find the minimum amount of rubles required to buy the ne... | 9024ba9c888515fc57f28ee3510ee97734b4ecd9b0f555e66b68479b1875bb2e_1_1 | 1072424cb12f336e94ad70b9849f6d76a964d2d434b3d0625c3270af13ae2343 |
Coding | codecontest | Write Python code to solve the task.
Little girl Alyona is in a shop to buy some copybooks for school. She study four subjects so she wants to have equal number of copybooks for each of the subjects. There are three types of copybook's packs in the shop: it is possible to buy one copybook for a rubles, a pack of two co... | Step 1: To solve this problem, we need to consider the different combinations of copybook packs that Alyona can purchase, and their respective costs.
Step 2: We also need to determine the minimum amount of rubles she should pay to buy the copybooks.
Step 3: We'll calculate the minimum amount of rubles for different ... | 497a7f93d30287b1e1b38a960dbbc46b9747b04acc6ed027d75863ef2164fd79_1_1 | 1072424cb12f336e94ad70b9849f6d76a964d2d434b3d0625c3270af13ae2343 |
Coding | codecontest | Write Python code to solve the task.
Recently, Olya received a magical square with the size of 2^n× 2^n.
It seems to her sister that one square is boring. Therefore, she asked Olya to perform exactly k splitting operations.
A Splitting operation is an operation during which Olya takes a square with side a and cuts it... | Step 1:
The given problem involves performing splitting operations on a square of size 2^n× 2^n and determining if it is possible to satisfy a certain condition based on the size of the square. To solve this problem, we need to consider the conditions for Olya's happiness and how they are affected by the splitting ope... | cdc0aab813fbcf8d2d1d7fb24976d25b20327a1ab0eb950e16c197786d508c98_1_1 | 2aca567ec0361b82939f999a559044c618277edb7efcc2e006be2594a0b64d92 |
Coding | codecontest | Write Python code to solve the task.
Recently, Olya received a magical square with the size of 2^n× 2^n.
It seems to her sister that one square is boring. Therefore, she asked Olya to perform exactly k splitting operations.
A Splitting operation is an operation during which Olya takes a square with side a and cuts it... | Step 1: The problem requires us to determine whether it is possible to perform exactly k splitting operations on a square with a size of 2^n x 2^n such that the condition of Olya's happiness is satisfied, and if possible, we also need to find the size of the squares along which we can build a path from the lower left ... | e92898f30be7a770ce47c0b08f91e68a81f4d3a0d9f17a9ee07b16354a815c14_1_1 | 2aca567ec0361b82939f999a559044c618277edb7efcc2e006be2594a0b64d92 |
Coding | codecontest | Write Python code to solve the task.
Recently, Olya received a magical square with the size of 2^n× 2^n.
It seems to her sister that one square is boring. Therefore, she asked Olya to perform exactly k splitting operations.
A Splitting operation is an operation during which Olya takes a square with side a and cuts it... | Step 1:
The current solution is quite complex and seems to rely on precomputed values and decision logic. We will convert the code to a more structured format and improve the readability and maintainability.
Let's start by clearly breaking down the conditional logic and identifying any patterns in the decision-making ... | 140d19f2511d579159584d98aa60212ea1d81532aa489844d53b51e385f05513_1_1 | 2aca567ec0361b82939f999a559044c618277edb7efcc2e006be2594a0b64d92 |
Coding | codecontest | Write Python code to solve the task.
You are given n pairs of integers (a_1, b_1), (a_2, b_2), …, (a_n, b_n). All of the integers in the pairs are distinct and are in the range from 1 to 2 ⋅ n inclusive.
Let's call a sequence of integers x_1, x_2, …, x_{2k} good if either
* x_1 < x_2 > x_3 < … < x_{2k-2} > x_{2k-1... | Step 1: The problem is asking to find the largest subset of indices such that the sequence formed by choosing the pairs at the selected indices is good.
Step 2: To solve this, we can iterate through the pairs and check if each pair forms a sequence that satisfies the given conditions for a good sequence.
Step 3: We ... | dee77db7067785e589c8cc5b153c954fb4562fc2e876ef4377b9e51f33d0e889_1_1 | 06c923295fa6b6c1e955f8a156f88f15f4886933ec61cde9e5ad7ed5c0e9c630 |
Coding | codecontest | Write Python code to solve the task.
You are given n pairs of integers (a_1, b_1), (a_2, b_2), …, (a_n, b_n). All of the integers in the pairs are distinct and are in the range from 1 to 2 ⋅ n inclusive.
Let's call a sequence of integers x_1, x_2, …, x_{2k} good if either
* x_1 < x_2 > x_3 < … < x_{2k-2} > x_{2k-1... | Step 1: To solve this problem, we need to find the largest subset of indices from the given pairs of integers that forms a good sequence.
Step 2: We can iterate through each pair of integers and classify them as small (a < b) or big (a > b) integers.
Step 3: Then, we can form two lists consisting of the index of the... | 03828e5de4ca8676e7fdcb8ab0643c1be5a7b04d7dc1b5d6581a0ed53d8d1ce5_1_1 | 06c923295fa6b6c1e955f8a156f88f15f4886933ec61cde9e5ad7ed5c0e9c630 |
Coding | codecontest | Write Python code to solve the task.
You are given n pairs of integers (a_1, b_1), (a_2, b_2), …, (a_n, b_n). All of the integers in the pairs are distinct and are in the range from 1 to 2 ⋅ n inclusive.
Let's call a sequence of integers x_1, x_2, …, x_{2k} good if either
* x_1 < x_2 > x_3 < … < x_{2k-2} > x_{2k-1... | Step 1: The problem requires finding the largest subset of indices for constructing a good sequence.
Step 2: We need to examine the pairs of integers to determine the order in which they should be included in the sequence.
Step 3: Based on the values of the pairs, we need to choose either the pairs with a < b or pai... | e93174a67ee51188a5c3d1e1d3bc6b5811d232db6f1f82ad0c19be1e9851b4ef_1_1 | 06c923295fa6b6c1e955f8a156f88f15f4886933ec61cde9e5ad7ed5c0e9c630 |
Coding | codecontest | Write Python code to solve the task.
Nowadays it is becoming increasingly difficult to park a car in cities successfully. Let's imagine a segment of a street as long as L meters along which a parking lot is located. Drivers should park their cars strictly parallel to the pavement on the right side of the street (rememb... | Step 1: The logic here is to find a parking space for a car based on the distance between other parked cars and the parking lot boundaries.
Step 2: The program keeps track of the parked cars and uses the distances defined in the input to determine whether there is adequate space for a parking request.
Step 3: It the... | b4c4a3982b58d94ae96628a2611456086d4ed18a6d377d438e615583852c0fa3_1_1 | 168fae718c49d17a5486735a17b9e2abd267dbabc3137dcce3d3bbd325600474 |
Coding | codecontest | Write Python code to solve the task.
Nowadays it is becoming increasingly difficult to park a car in cities successfully. Let's imagine a segment of a street as long as L meters along which a parking lot is located. Drivers should park their cars strictly parallel to the pavement on the right side of the street (rememb... | Step 1:
The problem involves modeling parking spaces for cars along a street and handling car arrival and departure requests. We need to consider the space required by each car and determine a suitable parking space based on the given constraints. The solution will involve maintaining the parking lot space as an array... | e736e2c761a76b4bdad043b1b5f70fbcbb098f645fce0866bc188e6332c368e2_1_1 | 168fae718c49d17a5486735a17b9e2abd267dbabc3137dcce3d3bbd325600474 |
Coding | codecontest | Write Python code to solve the task.
Nowadays it is becoming increasingly difficult to park a car in cities successfully. Let's imagine a segment of a street as long as L meters along which a parking lot is located. Drivers should park their cars strictly parallel to the pavement on the right side of the street (rememb... | Step 1: The problem asks us to determine a parking lot space for each car entering the street to park. We are given the length of the street and the required distances for the space between cars. We also need to consider the number of requests and the length of the cars. Based on this information, we need to determine... | 4d4be429c0784d6942acb8ae3fa61138f37f3681b9237a64caf12cf310cfa1c1_1_1 | 168fae718c49d17a5486735a17b9e2abd267dbabc3137dcce3d3bbd325600474 |
Coding | codecontest | Write Python code to solve the task.
Vasiliy has an exam period which will continue for n days. He has to pass exams on m subjects. Subjects are numbered from 1 to m.
About every day we know exam for which one of m subjects can be passed on that day. Perhaps, some day you can't pass any exam. It is not allowed to pass... | Step 1: We need to determine the minimum number of days in which Vasiliy can pass all exams, or determine if it is impossible.
Step 2: To solve this, we can start by parsing the input to get the number of days in the exam period, the number of subjects, and the information about exam days and preparation times.
Step ... | 6b3700e56142b342ae7bd1c833f2b3e9ce3766b222a97cee2d436b0773bbb002_1_1 | 3c022dc454b2d78616a411270178e27741dae7bdd11ddf22e5a7268805d7043a |
Coding | codecontest | Write Python code to solve the task.
Vasiliy has an exam period which will continue for n days. He has to pass exams on m subjects. Subjects are numbered from 1 to m.
About every day we know exam for which one of m subjects can be passed on that day. Perhaps, some day you can't pass any exam. It is not allowed to pass... | Step 1: The problem requires determining the minimum number of days in which Vasiliy can pass all exams, with the constraint that each exam should be passed exactly one time.
Step 2: This problem can be resolved using a binary search approach. We may need to plan the preparation days for each exam to understand the t... | 6e25daa174693043b265322091989206a7a88a28236bf0c210a39eecdd8c6f49_1_1 | 3c022dc454b2d78616a411270178e27741dae7bdd11ddf22e5a7268805d7043a |
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