task stringclasses 4
values | dataset stringclasses 12
values | instruction stringlengths 66 14k | response stringlengths 13 8.89k | id stringlengths 68 68 | parent_id stringlengths 64 64 |
|---|---|---|---|---|---|
Coding | codecontest | Write Python code to solve the task.
Berland crossword is a puzzle that is solved on a square grid with n rows and n columns. Initially all the cells are white.
To solve the puzzle one has to color some cells on the border of the grid black in such a way that:
* exactly U cells in the top row are black;
* exact... | Step 1: To solve this problem, we need to check if there exists a solution for each puzzle based on the constraints given.
Step 2: We should consider the number of black cells required in each row and column and verify if a solution exists based on these requirements
Step 3: We also need to check for edge cases wher... | f0bcd2d5e0793617aae1e7201c8037837ec2603c0187c0ace07858daede80a9d_1_1 | ca210ad8a2e979e67a55039335431bb7211525a640da7fdbe6243090e8e86247 |
Coding | codecontest | Write Python code to solve the task.
Berland crossword is a puzzle that is solved on a square grid with n rows and n columns. Initially all the cells are white.
To solve the puzzle one has to color some cells on the border of the grid black in such a way that:
* exactly U cells in the top row are black;
* exact... | Step 1: The problem involves checking if there exists a valid solution to the Berland crossword puzzle for a given set of inputs.
Step 2: We need to consider the constraints related to the number of black cells in each row and column and find if a valid solution exists.
Step 3: We can approach this problem by recurs... | e981173b1efdb458117c9fcbbe75a15de2ac74bc672edf917404734b9d32f451_1_1 | ca210ad8a2e979e67a55039335431bb7211525a640da7fdbe6243090e8e86247 |
Coding | codecontest | Write Python code to solve the task.
Berland crossword is a puzzle that is solved on a square grid with n rows and n columns. Initially all the cells are white.
To solve the puzzle one has to color some cells on the border of the grid black in such a way that:
* exactly U cells in the top row are black;
* exact... | Step 1: The problem requires a check for the existence of a solution given the constraints U, R, D, L.
Step 2: To solve this problem, we can create a dynamic programming table (dp) to store the black cell configurations.
Step 3: Then, for each test case, we will iterate through possible configurations of black cell... | 400af8b549f46de74c717fcc5618c98c185d8f9a97cf0becf53d7afa86fdde2e_1_1 | ca210ad8a2e979e67a55039335431bb7211525a640da7fdbe6243090e8e86247 |
Coding | codecontest | Write Python code to solve the task.
Read the coordinates of four different points on the plane, $ A (x_A, y_A) $, $ B (x_B, y_B) $, $ C (x_C, y_C) $, $ D (x_D, y_D) $, and straight line $ Create a program that outputs YES if AB $ and $ CD $ are orthogonal, and NO if they are not orthogonal. Here, "straight line" does ... | Step 1: We need to determine if the line segments AB and CD are orthogonal, which means their slopes are negative reciprocals of each other.
Step 2: So our solution should involve checking the slopes of the lines and then determining if they are orthogonal.
Step 3: We can start by creating a function to calculate th... | 297eb4e9f7b9303380047e0792cc5e2965b89dee1eb5396b67767bc1650d2e66_1_1 | c434d440d83906e47e933c7db3490de3e6d02b2c49438963eb43276e9b1403eb |
Coding | codecontest | Write Python code to solve the task.
Read the coordinates of four different points on the plane, $ A (x_A, y_A) $, $ B (x_B, y_B) $, $ C (x_C, y_C) $, $ D (x_D, y_D) $, and straight line $ Create a program that outputs YES if AB $ and $ CD $ are orthogonal, and NO if they are not orthogonal. Here, "straight line" does ... | Step 1: To solve this problem, we need to check if the lines AB and CD are orthogonal.
Step 2: We can do this by calculating the dot product of the vectors AB and CD and checking if the result is approximately 0. If it is, then the lines are orthogonal.
Step 3: We can write a function to perform this calculation and... | ce0ad3c752c78716afcf72293afdc70f63ba1374f8b1589a7d34c9f9dc1eff56_1_1 | c434d440d83906e47e933c7db3490de3e6d02b2c49438963eb43276e9b1403eb |
Coding | codecontest | Write Python code to solve the task.
Read the coordinates of four different points on the plane, $ A (x_A, y_A) $, $ B (x_B, y_B) $, $ C (x_C, y_C) $, $ D (x_D, y_D) $, and straight line $ Create a program that outputs YES if AB $ and $ CD $ are orthogonal, and NO if they are not orthogonal. Here, "straight line" does ... | Step 1: To solve this problem, we need to determine whether the line segments AB and CD are orthogonal.
Step 2: In order to do this, we can calculate the vectors AB and CD, and then check if the dot product of the two vectors is 0.
Step 3: If the dot product is 0, then the vectors are orthogonal and we output "YES"... | bdc0f17e32f7390f68f0fba4c57711dd6b4ec824379009d49e2c0da852cebf95_1_1 | c434d440d83906e47e933c7db3490de3e6d02b2c49438963eb43276e9b1403eb |
Coding | codecontest | Write Python code to solve the task.
An autumn sports festival is held. There are four events: foot race, ball-carrying, obstacle race, and relay. There are n teams participating, and we would like to commend the team with the shortest total time in this 4th event as the "winner", the next smallest team as the "runner-... | Step 1: To solve the problem, we'll need to process the input, calculate the total time for each team, and then sort the teams based on their total time.
Step 2: We can start by creating a function that calculates the total time for each team.
Step 3: Then we'll iterate through the input datasets, calculate the tota... | 05802e6c04442472a030fbb65675e4cd708b230b1d05a5f127cec0135d5e27d1_1_1 | 0a97888068ed54543daced2f7bcb5406be88c3c49c926ce12f27a39d4bb70540 |
Coding | codecontest | Write Python code to solve the task.
An autumn sports festival is held. There are four events: foot race, ball-carrying, obstacle race, and relay. There are n teams participating, and we would like to commend the team with the shortest total time in this 4th event as the "winner", the next smallest team as the "runner-... | Step 1: For this problem, we need to calculate the total time for each team and find the 1st, 2nd, and the 3rd placed teams based on the shortest total time.
Step 2: We can create a function to calculate the total time for each team using the given minutes and seconds for each of the 4 events.
Step 3: Then we can de... | 3c0039b2d7a8766e9f9bc3d00c6d3cdbddd7b74ffa6b6f9a298539521d615caa_1_1 | 0a97888068ed54543daced2f7bcb5406be88c3c49c926ce12f27a39d4bb70540 |
Coding | codecontest | Write Python code to solve the task.
An autumn sports festival is held. There are four events: foot race, ball-carrying, obstacle race, and relay. There are n teams participating, and we would like to commend the team with the shortest total time in this 4th event as the "winner", the next smallest team as the "runner-... | Step 1: To solve this problem, we need to compare the total time for each team and sort the teams in ascending order based on the total time.
Step 2: We can create a function to calculate the total time for each team and then sort the teams based on this calculated time.
Step 3: After sorting, we can output the tea... | d24a70ecca2d3655329f3796228013c312b851b7a94b0258e40f5a698d4db951_1_1 | 0a97888068ed54543daced2f7bcb5406be88c3c49c926ce12f27a39d4bb70540 |
Coding | codecontest | Write Python code to solve the task.
There are n kids, numbered from 1 to n, dancing in a circle around the Christmas tree. Let's enumerate them in a clockwise direction as p_1, p_2, ..., p_n (all these numbers are from 1 to n and are distinct, so p is a permutation). Let the next kid for a kid p_i be kid p_{i + 1} if ... | Step 1: We need to restore the order of the kids in the circle based on the information they remembered.
Step 2: We can start by creating a function to track the relationships between the kids based on the given information.
Step 3: We can then use this relationship to restore the order of the kids in the circle, co... | 61a5d680365f85a94f29b6220b484927c90e29dc9c773fdb5aee995b9af2e19b_1_1 | a80234b0970900036c7b282098717d3f9a2bfdde96042591970185f973fd0497 |
Coding | codecontest | Write Python code to solve the task.
There are n kids, numbered from 1 to n, dancing in a circle around the Christmas tree. Let's enumerate them in a clockwise direction as p_1, p_2, ..., p_n (all these numbers are from 1 to n and are distinct, so p is a permutation). Let the next kid for a kid p_i be kid p_{i + 1} if ... | Step 1: The problem involves restoring the original order of kids in a circular dance based on information they remembered.
Step 2: We need to use the given information to reconstruct the order of kids in the circle.
Step 3: The given information will allow us to infer the mapping of each kid to the next two kids in... | 1bae510a75ed970e86743e157812a42c30df81e2c6de0c2042b35d8d0bc46b8c_1_1 | a80234b0970900036c7b282098717d3f9a2bfdde96042591970185f973fd0497 |
Coding | codecontest | Write Python code to solve the task.
There are n kids, numbered from 1 to n, dancing in a circle around the Christmas tree. Let's enumerate them in a clockwise direction as p_1, p_2, ..., p_n (all these numbers are from 1 to n and are distinct, so p is a permutation). Let the next kid for a kid p_i be kid p_{i + 1} if ... | Step 1: To solve this problem, we need to restore the order of the kids in the circle based on the information that each kid remembered.
Step 2: We can start by reading the input list of remembered kids for each kid and then use that information to restore the order.
Step 3: We can use a loop to iterate through the ... | c5c9ac729ed9865c418fcf67bf555a8c284d0431622702d81f9126c6bdfcd3df_1_1 | a80234b0970900036c7b282098717d3f9a2bfdde96042591970185f973fd0497 |
Coding | codecontest | Write Python code to solve the task.
This problem is different from the hard version. In this version Ujan makes exactly one exchange. You can hack this problem only if you solve both problems.
After struggling and failing many times, Ujan decided to try to clean up his house again. He decided to get his strings in or... | Step 1: We need to compare the two strings and determine if it's possible to make them equal by swapping characters only once.
Step 2: We can start by iterating through the strings and keeping track of the differences in characters.
Step 3: Then we need to check for a few cases - if there are more than 2 differences... | 098996d55fb4e72adbf407c7f766bd99ec50701617ee2a6ec1590cac37109b77_1_1 | ea9f1bfd381f89dcf3daed3798363dcc4336f22013630a93763010e254f23ee8 |
Coding | codecontest | Write Python code to solve the task.
This problem is different from the hard version. In this version Ujan makes exactly one exchange. You can hack this problem only if you solve both problems.
After struggling and failing many times, Ujan decided to try to clean up his house again. He decided to get his strings in or... | Step 1: We need to check if it's possible to make two strings equal by performing exactly one exchange.
Step 2: We can iterate through the strings and look for positions where the characters mismatch and see if there are corresponding positions in the other string where the characters can be swapped to make them equ... | 792a50f188ff1b2a3a875e5340c64da0c4fa7a033fb6e1d1b7dd02a8c51cbf29_1_1 | ea9f1bfd381f89dcf3daed3798363dcc4336f22013630a93763010e254f23ee8 |
Coding | codecontest | Write Python code to solve the task.
This problem is different from the hard version. In this version Ujan makes exactly one exchange. You can hack this problem only if you solve both problems.
After struggling and failing many times, Ujan decided to try to clean up his house again. He decided to get his strings in or... | Step 1: The problem requires identifying if Ujan can make two strings equal with exactly one swap of characters and then printing "Yes" or "No" accordingly.
Step 2: To solve this, we need to iterate through both strings and compare each character. If we find two mismatched characters, we also need to check for other ... | d11ccf2fe7f86bee21819d4148c210e9f55321ff501b06313204c757683a39d9_1_1 | ea9f1bfd381f89dcf3daed3798363dcc4336f22013630a93763010e254f23ee8 |
Coding | codecontest | Write Python code to solve the task.
Your task is to write a program which reads an expression and evaluates it.
* The expression consists of numerical values, operators and parentheses, and the ends with '='.
* The operators includes +, - , *, / where respectively represents, addition, subtraction, multiplication and... | Step 1: We need to create a program that can read and evaluate mathematical expressions.
Step 2: We should consider the precedence of operators and the use of parentheses in the expression.
Step 3: We should also ensure that the calculation is performed as integers and truncate any decimals.
Step 4: Let's create a ... | bd5b9da45235306961d25ddc54e857efbc26a5f00cff2d1921cdf4c3e448d4a2_1_1 | c74d74d5dde411d8f67fedb4cb385386201eb5c123f063c90daa0357f543f696 |
Coding | codecontest | Write Python code to solve the task.
Your task is to write a program which reads an expression and evaluates it.
* The expression consists of numerical values, operators and parentheses, and the ends with '='.
* The operators includes +, - , *, / where respectively represents, addition, subtraction, multiplication and... | Step 1: The solution involves reading mathematical expressions in infix notation and converting them to reverse polish notation (RPN) to evaluate them.
Step 2: We need to implement functions to convert the expression to a list, convert the list to RPN, and evaluate the RPN expression.
Step 3: We also need to handle ... | 25f4d69bce713ae9c677cbdd891e2109dd0284a318e1c2d0513c6ab4d9e3e9c1_1_1 | c74d74d5dde411d8f67fedb4cb385386201eb5c123f063c90daa0357f543f696 |
Coding | codecontest | Write Python code to solve the task.
Your task is to write a program which reads an expression and evaluates it.
* The expression consists of numerical values, operators and parentheses, and the ends with '='.
* The operators includes +, - , *, / where respectively represents, addition, subtraction, multiplication and... | Step 1: To solve this problem, we need to first parse the input expression and turn it into reverse Polish notation (RPN) to evaluate the expression using a stack.
Step 2: We can write helper functions to convert the string to a list of tokens, generate the RPN, and calculate the result of RPN evaluation.
Step 3: We... | 1425aa05c0391bdafcb9518204e08721f9d6be6a852c63ab3d85efb417c2fdd3_1_1 | c74d74d5dde411d8f67fedb4cb385386201eb5c123f063c90daa0357f543f696 |
Coding | codecontest | Write Python code to solve the task.
Roy is going through the dark times of his life. Recently his girl friend broke up with him and to overcome the pain of acute misery he decided to restrict himself to Eat-Sleep-Code life cycle. For N days he did nothing but eat, sleep and code.
A close friend of Roy kept an eye o... | Step 1: We need to keep track of the longest coding streak for each day and also find the longest coding streak across all days.
Step 2: We can start by creating a function to calculate the longest coding streak for a given string representing Roy's activity.
Step 3: Then we can iterate through each day and calculat... | 177e2c14fcf04945086ab05348c5445bfeeda33adb74444dcdf105a5e8aa4a83_1_1 | a1d1fb5316fadd92a8391f11f6b57d38162a63216877abaf510bbae378dc9c04 |
Coding | codecontest | Write Python code to solve the task.
Roy is going through the dark times of his life. Recently his girl friend broke up with him and to overcome the pain of acute misery he decided to restrict himself to Eat-Sleep-Code life cycle. For N days he did nothing but eat, sleep and code.
A close friend of Roy kept an eye o... | Step 1: To solve this problem, we need to find the longest coding streak for each day and then find the longest coding streak across all days.
Step 2: We can start by implementing a function to calculate the longest coding streak for a single day based on the input string representing Roy's activity on that day.
Step... | 967809f3ea35f462fa5a5f1ec1af95fd5579d737ab5f78ca87d1a5fb87f894e8_1_1 | a1d1fb5316fadd92a8391f11f6b57d38162a63216877abaf510bbae378dc9c04 |
Coding | codecontest | Write Python code to solve the task.
Roy is going through the dark times of his life. Recently his girl friend broke up with him and to overcome the pain of acute misery he decided to restrict himself to Eat-Sleep-Code life cycle. For N days he did nothing but eat, sleep and code.
A close friend of Roy kept an eye o... | Step 1: The function needs to find the longest coding streak for each day and then find the longest coding streak over all days.
Step 2: We can define a function to count the longest coding streak in a given string and then use this function to calculate the maximum for each day and over all days.
Step 3: We also ne... | 409c5473c6008d7e4c43036149f84306013b3cbad577ecfb1db66e83065fedaf_1_1 | a1d1fb5316fadd92a8391f11f6b57d38162a63216877abaf510bbae378dc9c04 |
Coding | codecontest | Write Python code to solve the task.
The black king is standing on a chess field consisting of 109 rows and 109 columns. We will consider the rows of the field numbered with integers from 1 to 109 from top to bottom. The columns are similarly numbered with integers from 1 to 109 from left to right. We will denote a cel... | Step 1: We need to find the minimum number of moves the king needs to get from one position to another, only moving along allowed cells.
Step 2: We can start by creating a function to check if two positions are allowed to move between.
Step 3: Then we can implement a breadth-first search algorithm to find the minimu... | ee47e79f3835b234e0bfe9a7511c35f6186074249e82d0bb3d55d539585da597_1_1 | 66aec1c3542f70eca2811185df5dccd20138d07f0a57334e947289d8dc93036c |
Coding | codecontest | Write Python code to solve the task.
The black king is standing on a chess field consisting of 109 rows and 109 columns. We will consider the rows of the field numbered with integers from 1 to 109 from top to bottom. The columns are similarly numbered with integers from 1 to 109 from left to right. We will denote a cel... | Step 1: The approach involves using the breadth-first search (BFS) algorithm to find the shortest path from the initial cell to the final cell.
Step 2: We can represent the allowed cells using a dictionary with rows as keys and the set of allowed columns as values.
Step 3: Starting from the initial cell, we will exp... | 829cde1b620b28e7ead5a814fa525b2ecbbd917db7e0f13c8b387e67a140ca0b_1_1 | 66aec1c3542f70eca2811185df5dccd20138d07f0a57334e947289d8dc93036c |
Coding | codecontest | Write Python code to solve the task.
The black king is standing on a chess field consisting of 109 rows and 109 columns. We will consider the rows of the field numbered with integers from 1 to 109 from top to bottom. The columns are similarly numbered with integers from 1 to 109 from left to right. We will denote a cel... | Step 1: To solve this problem, we need to find the minimum number of moves the king needs to get from a given initial position to a final position, provided that he only moves along the allowed cells.
Step 2: We can represent the allowed cells as segments and store them in a set for efficient lookups during the movem... | c8ea98be2c0485c85d2b24a27b9352fd0a4fb272fe84cec23ce57f92d3abadd4_1_1 | 66aec1c3542f70eca2811185df5dccd20138d07f0a57334e947289d8dc93036c |
Coding | codecontest | Write Python code to solve the task.
Chouti was tired of the tedious homework, so he opened up an old programming problem he created years ago.
You are given a connected undirected graph with n vertices and m weighted edges. There are k special vertices: x_1, x_2, β¦, x_k.
Let's define the cost of the path as the maxi... | Step 1: We need to find the distance between each special vertex and the farthest special vertex from it.
Step 2: We can start by implementing Dijkstra's algorithm to find the shortest (maximum weight) path from each special vertex to all other vertices.
Step 3: Then we can iterate through each special vertex and fi... | 234e90303b0badf5cf2708e662ca204e64a39a120bc83b5fa691e5d6cc7518d9_1_1 | 3b7e723e34b9aaab367cb16ad2938c26075f87af530b2ddcd0427d876e2776e8 |
Coding | codecontest | Write Python code to solve the task.
Chouti was tired of the tedious homework, so he opened up an old programming problem he created years ago.
You are given a connected undirected graph with n vertices and m weighted edges. There are k special vertices: x_1, x_2, β¦, x_k.
Let's define the cost of the path as the maxi... | Step 1: To solve this problem, it requires creating and updating a data structure for each edge to keep the relation between special vertices.
Step 2: This problem also involves finding the distance between a special vertex and the farthest special vertex from it.
Step 3: Building a suitable data structure and a met... | 6f82cf085adde2479230b33b5e361681fa141f3932244dcab0d91015038d7b26_1_1 | 3b7e723e34b9aaab367cb16ad2938c26075f87af530b2ddcd0427d876e2776e8 |
Coding | codecontest | Write Python code to solve the task.
Chouti was tired of the tedious homework, so he opened up an old programming problem he created years ago.
You are given a connected undirected graph with n vertices and m weighted edges. There are k special vertices: x_1, x_2, β¦, x_k.
Let's define the cost of the path as the maxi... | Step 1: The main task here is to find the distance between each special vertex and the farthest special vertex from it.
Step 2: This can be done by finding the minimum cost of paths connecting two special vertices and then finding the maximum possible cost between those vertices.
Step 3: To solve this problem, we ne... | 599f0adb9311cde616d410b430176ad8bcbe4c0c0f9ae853e998c5f9b72db1af_1_1 | 3b7e723e34b9aaab367cb16ad2938c26075f87af530b2ddcd0427d876e2776e8 |
Coding | codecontest | Write Python code to solve the task.
Petya loves lucky numbers. We all know that lucky numbers are the positive integers whose decimal representations contain only the lucky digits 4 and 7. For example, numbers 47, 744, 4 are lucky and 5, 17, 467 are not.
Petya wonders eagerly what minimum lucky number has the sum of ... | Step 1: We need to find the minimum lucky number whose sum of digits equals n.
Step 2: We can start by understanding the properties of lucky numbers and how to generate them.
Step 3: Lucky numbers contain only the digits 4 and 7, so we need to see how to combine these digits to form the minimum number with a given s... | 6e587f988ce02a49df5c27ddb241884ba3f218cc8fe5fdb9b222c4c987f3a3e7_1_1 | d3da705ee07f79d4a6aa3805f84dbf2fc1b0406d68f4c38c82d8d5f45ceaf11e |
Coding | codecontest | Write Python code to solve the task.
Petya loves lucky numbers. We all know that lucky numbers are the positive integers whose decimal representations contain only the lucky digits 4 and 7. For example, numbers 47, 744, 4 are lucky and 5, 17, 467 are not.
Petya wonders eagerly what minimum lucky number has the sum of ... | Step 1: To solve this problem, we need to find the minimum lucky number with a given sum of digits.
Step 2: We can iterate through the possible number of 7s in the lucky number and compute the number of 4s required to achieve the desired sum.
Step 3: We can then construct the lucky number using the counts of 4s and ... | 5f88a1a7b1601112b0651fd78fad846f9dd0887e04c7f123f340e4c12c7390b8_1_1 | d3da705ee07f79d4a6aa3805f84dbf2fc1b0406d68f4c38c82d8d5f45ceaf11e |
Coding | codecontest | Write Python code to solve the task.
Petya loves lucky numbers. We all know that lucky numbers are the positive integers whose decimal representations contain only the lucky digits 4 and 7. For example, numbers 47, 744, 4 are lucky and 5, 17, 467 are not.
Petya wonders eagerly what minimum lucky number has the sum of ... | Step 1: To solve this problem, we need to find the minimum lucky number with the given sum of digits.
Step 2: We can start by iterating through multiples of 7 and check if the difference between the number and the given sum is divisible by 4.
Step 3: If the difference is divisible by 4, we can append 4s to the numbe... | b9256d9544358bb3c0e24f19a2a97730a66a6b44e736842675210a7deed88a51_1_1 | d3da705ee07f79d4a6aa3805f84dbf2fc1b0406d68f4c38c82d8d5f45ceaf11e |
Coding | codecontest | Write Python code to solve the task.
You are given a rectangular cake, represented as an r Γ c grid. Each cell either has an evil strawberry, or is empty. For example, a 3 Γ 4 cake may look as follows:
<image>
The cakeminator is going to eat the cake! Each time he eats, he chooses a row or a column that does not cont... | Step 1: To solve this problem, we need to find the maximum number of cake cells that the cakeminator can eat by choosing rows or columns without evil strawberries.
Step 2: We can iterate through each row and column to count the number of cake cells without evil strawberries.
Step 3: We should then sum the maximum nu... | 5926a17566190ca7f343f1ce46888a146b831beb52812ed5334b8c57ea2bfe8f_1_1 | 9976bd917cbe038d3dc2367bb437dbd078eb56e2bd2c86377e27ee3bda647d45 |
Coding | codecontest | Write Python code to solve the task.
You are given a rectangular cake, represented as an r Γ c grid. Each cell either has an evil strawberry, or is empty. For example, a 3 Γ 4 cake may look as follows:
<image>
The cakeminator is going to eat the cake! Each time he eats, he chooses a row or a column that does not cont... | Step 1: To solve this problem, we need to find the maximum number of cake cells that the cakeminator can eat.
Step 2: We need to consider the number of rows and columns where there are no evil strawberries. Then, we should calculate the total number of cake cells in such rows and columns.
Step 3: Finally, we subtrac... | 8c6170487d7473c32d58796a0771387548b263262ab0c366ea7a9fcdbefdf28b_1_1 | 9976bd917cbe038d3dc2367bb437dbd078eb56e2bd2c86377e27ee3bda647d45 |
Coding | codecontest | Write Python code to solve the task.
You are given a rectangular cake, represented as an r Γ c grid. Each cell either has an evil strawberry, or is empty. For example, a 3 Γ 4 cake may look as follows:
<image>
The cakeminator is going to eat the cake! Each time he eats, he chooses a row or a column that does not cont... | Step 1: To solve this problem, we need to find the maximum number of cake cells that the cakeminator can eat.
Step 2: The cakeminator can eat entire rows or columns that do not contain any evil strawberries and have at least one uneaten cake cell.
Step 3: We can iterate through each row and column to count the num... | 1c30fcd1daa35db0b78b4473ae6a4a38d12b67da50b1496d7deb82ea916035c0_1_1 | 9976bd917cbe038d3dc2367bb437dbd078eb56e2bd2c86377e27ee3bda647d45 |
Coding | codecontest | Write Python code to solve the task.
An IPv6-address is a 128-bit number. For convenience, this number is recorded in blocks of 16 bits in hexadecimal record, the blocks are separated by colons β 8 blocks in total, each block has four hexadecimal digits. Here is an example of the correct record of a IPv6 address: "0124... | Step 1: We need to reverse the process of shortening an IPv6 address to its full format.
Step 2: We can start by reconstructing the blocks in each address by inserting zeroes as shortening takes place.
Step 3: We should also consider the logic for shortening continuous sequences of 16-bit zero blocks to "::".
Step 4... | d8b36fd001582bca92f839ca47ffdd28e4338c69e607dd42048c6096031c884b_1_1 | 711be0cc8978db5b8b53590865e194ef0a8fc2c356ba5a16b5e226f8d533167f |
Coding | codecontest | Write Python code to solve the task.
An IPv6-address is a 128-bit number. For convenience, this number is recorded in blocks of 16 bits in hexadecimal record, the blocks are separated by colons β 8 blocks in total, each block has four hexadecimal digits. Here is an example of the correct record of a IPv6 address: "0124... | Step 1: To solve this problem, we need to understand the process of restoring the full record of an IPv6 address from its short record.
Step 2: We can start by reading the number of records to restore and then processing each short IPv6 address to restore its full record.
Step 3: We will use string splitting and cas... | 6595d19a51542fe47a94f3abad71d004f3432ae7b5335065711f69a66e26d51b_1_1 | 711be0cc8978db5b8b53590865e194ef0a8fc2c356ba5a16b5e226f8d533167f |
Coding | codecontest | Write Python code to solve the task.
An IPv6-address is a 128-bit number. For convenience, this number is recorded in blocks of 16 bits in hexadecimal record, the blocks are separated by colons β 8 blocks in total, each block has four hexadecimal digits. Here is an example of the correct record of a IPv6 address: "0124... | Step 1: To solve this problem, we need to restore the full record of the IPv6 address based on the given short records.
Step 2: We can start by reading the input containing the short records and implementing a way to restore each record to its full form.
Step 3: We also need to handle the specific rules for reducin... | e4d037c0fe21b8fa54266e90520c61c83da74f07fa09005a7d91730347ef0d88_1_1 | 711be0cc8978db5b8b53590865e194ef0a8fc2c356ba5a16b5e226f8d533167f |
Coding | codecontest | Write Python code to solve the task.
Limak is a little polar bear. Polar bears hate long strings and thus they like to compress them. You should also know that Limak is so young that he knows only first six letters of the English alphabet: 'a', 'b', 'c', 'd', 'e' and 'f'.
You are given a set of q possible operations. ... | Step 1: We need to consider the available operations and their impact on the initial string to get the target string "a".
Step 2: We should also check for edge cases where the initial string may not be transformable to "a".
Step 3: We can start by creating a function to determine if a given initial string can be tra... | fb3d1a74125fe224afd229a5c4db6408a25b2fbfca14b757f01835228144984a_1_1 | c108f7c7171685a31787b2e66274ff25fb98386944bc02c20da939d3e798ed66 |
Coding | codecontest | Write Python code to solve the task.
Limak is a little polar bear. Polar bears hate long strings and thus they like to compress them. You should also know that Limak is so young that he knows only first six letters of the English alphabet: 'a', 'b', 'c', 'd', 'e' and 'f'.
You are given a set of q possible operations. ... | Step 1: The given problem is asking us to find the number of strings of length n that Limak will be able to transform to string "a" by applying only operations given in the input.
Step 2: We need to take into account all possible combinations of strings of length n and apply the available operations to check if they ... | 400707d142b582ddb846d6536948fd657969e021b68e5dbb4b537df9f4350832_1_1 | c108f7c7171685a31787b2e66274ff25fb98386944bc02c20da939d3e798ed66 |
Coding | codecontest | Write Python code to solve the task.
Limak is a little polar bear. Polar bears hate long strings and thus they like to compress them. You should also know that Limak is so young that he knows only first six letters of the English alphabet: 'a', 'b', 'c', 'd', 'e' and 'f'.
You are given a set of q possible operations. ... | Step 1: To solve this problem, we need to be able to simulate the compression process for different initial strings.
Step 2: We can use a recursive approach to simulate performing the operations on the initial string and count the number of times a string can be transformed to "a".
Step 3: The base case for the recu... | 05162333887fe7a7b020a5bf05962bd57c32e297f5ed9851e434e0c37f56fa0d_1_1 | c108f7c7171685a31787b2e66274ff25fb98386944bc02c20da939d3e798ed66 |
Coding | codecontest | Write Python code to solve the task.
You have a large electronic screen which can display up to 998244353 decimal digits. The digits are displayed in the same way as on different electronic alarm clocks: each place for a digit consists of 7 segments which can be turned on and off to compose different digits. The follow... | Step 1: To maximize the greatest integer that can be displayed by turning on no more than n segments, we need to use the segments efficiently to display the largest possible digit.
Step 2: We can start by understanding the number of segments required to display each digit, and then use the maximum number of segments ... | ca4e877e39d3af93ad67f0bcc6a15248da061530a812e8831c23c2fdf9e40ca2_1_1 | a1f57f1e2c3b8d34d3a8e93c659f39c35aa35443166c4780784d79fb36834b1a |
Coding | codecontest | Write Python code to solve the task.
You have a large electronic screen which can display up to 998244353 decimal digits. The digits are displayed in the same way as on different electronic alarm clocks: each place for a digit consists of 7 segments which can be turned on and off to compose different digits. The follow... | Step 1: To solve this problem, we need to find the greatest integer that can be displayed by turning on no more than n segments of the screen.
Step 2: We can start by analyzing the number of segments required to display each digit and then come up with a logic to construct the greatest integer based on the given cons... | 870d4361a516275334a13c2a99b325c080aa17b26bcb0151e97d36681ace0e4d_1_1 | a1f57f1e2c3b8d34d3a8e93c659f39c35aa35443166c4780784d79fb36834b1a |
Coding | codecontest | Write Python code to solve the task.
You have a large electronic screen which can display up to 998244353 decimal digits. The digits are displayed in the same way as on different electronic alarm clocks: each place for a digit consists of 7 segments which can be turned on and off to compose different digits. The follow... | Step 1: To solve this problem, we need to find the largest integer that can be displayed using no more than n segments.
Step 2: We can start by considering the possible combinations of segments for each digit.
Step 3: We can then find the largest integer by choosing the maximum possible digit for each combination.
... | 3c2d803431afa71bac27071abebb962950b061dac72ac019487f78a2496c68bb_1_1 | a1f57f1e2c3b8d34d3a8e93c659f39c35aa35443166c4780784d79fb36834b1a |
Coding | codecontest | Write Python code to solve the task.
Little Petya learns how to write. The teacher gave pupils the task to write the letter A on the sheet of paper. It is required to check whether Petya really had written the letter A.
You are given three segments on the plane. They form the letter A if the following conditions hold:... | Step 1: We need to check if the three segments form the letter A based on the given conditions.
Step 2: We can start by creating a function to calculate the length of a segment given its coordinates.
Step 3: Then we can use these lengths to check if the conditions for forming the letter A are met.
Step 4: We should... | da5985352c79d8a377db4286ca5c59d5e5a93d4e6547c834dd0c0538e2f036a6_1_1 | 3f6d6c2b04986cdc14eef70fbfd4c6cd21f0269fc11a40ae553a7809d13456c0 |
Coding | codecontest | Write Python code to solve the task.
Little Petya learns how to write. The teacher gave pupils the task to write the letter A on the sheet of paper. It is required to check whether Petya really had written the letter A.
You are given three segments on the plane. They form the letter A if the following conditions hold:... | Step 1:
This problem involves checking whether three given line segments form the shape of the letter A based on specific conditions. To solve this problem, we need to implement functions to calculate the dot product, cross product, and subtractions of vectors. We'll also need to implement a function to determine if a... | 5403a2d6ac8fc7b117313e2ef0a1ccaaa61d3659dade10b969f4f671b678dc1d_1_1 | 3f6d6c2b04986cdc14eef70fbfd4c6cd21f0269fc11a40ae553a7809d13456c0 |
Coding | codecontest | Write Python code to solve the task.
Little Petya learns how to write. The teacher gave pupils the task to write the letter A on the sheet of paper. It is required to check whether Petya really had written the letter A.
You are given three segments on the plane. They form the letter A if the following conditions hold:... | Step 1: To solve this problem, we need to check if the given segments form the letter A based on the conditions provided.
Step 2: We'll start by defining helper functions for calculating the dot product, cross product, and the length of a vector.
Step 3: We also need a function to check if a point lies on a given se... | 26a69793138b1cee64433a0990eb49a605ebe851ae0725ed0e82b50af4f3e732_1_1 | 3f6d6c2b04986cdc14eef70fbfd4c6cd21f0269fc11a40ae553a7809d13456c0 |
Coding | codecontest | Write Python code to solve the task.
Ivan had string s consisting of small English letters. However, his friend Julia decided to make fun of him and hid the string s. Ivan preferred making a new string to finding the old one.
Ivan knows some information about the string s. Namely, he remembers, that string ti occurs ... | Step 1: We need to reconstruct the lexicographically minimal string s that fits all the information Ivan remembers.
Step 2: We can start by creating a function to reconstruct the string s based on the information given by Ivan.
Step 3: Then we can iterate through the information provided for each string and reconstr... | 06ba850942fb600d5cf0804c8f2fc8494ff56964ca22ed802819a66b52d54b6c_1_1 | c9f7f811785a139028cffaaa5bfc7041e9e98fcec1e208d06fdbf6847f203a4e |
Coding | codecontest | Write Python code to solve the task.
Ivan had string s consisting of small English letters. However, his friend Julia decided to make fun of him and hid the string s. Ivan preferred making a new string to finding the old one.
Ivan knows some information about the string s. Namely, he remembers, that string ti occurs ... | Step 1: To solve this problem, we need to construct a string that fits the given constraints.
Step 2: We need to determine the positions and the letters in the string that fit the minimum lexicographical order. The input consists of this information.
Step 3: We should build the string by placing the letters at the s... | 547d2f7c18ce5e7d51125745bf2a09ea1e063234b348fe1db6e55d725f50d23a_1_1 | c9f7f811785a139028cffaaa5bfc7041e9e98fcec1e208d06fdbf6847f203a4e |
Coding | codecontest | Write Python code to solve the task.
Ivan had string s consisting of small English letters. However, his friend Julia decided to make fun of him and hid the string s. Ivan preferred making a new string to finding the old one.
Ivan knows some information about the string s. Namely, he remembers, that string ti occurs ... | Step 1: To solve this problem, we need to reconstruct a string that fits all the information Ivan remembers.
Step 2: We should process the input by storing the information about the strings and positions in memory.
Step 3: With the stored information, we can then reconstruct the lexicographically minimal string s th... | eec7f7bdd9ddee11ab8a20ff3dbf65d8b56186c301e86ddc51a2edcbc8e95e96_1_1 | c9f7f811785a139028cffaaa5bfc7041e9e98fcec1e208d06fdbf6847f203a4e |
Coding | codecontest | Write Python code to solve the task.
In a small but very proud high school it was decided to win ACM ICPC. This goal requires to compose as many teams of three as possible, but since there were only 6 students who wished to participate, the decision was to build exactly two teams.
After practice competition, participa... | Step 1: We need to check if it's possible to form two teams with equal total scores, given the scores of the six participants.
Step 2: We can start by calculating the total sum of all the scores and then check if it's possible to form two teams with half of that total sum as their score.
Step 3: We should also consi... | 9d4b71df55d9debf15839a4183b857fd1e7541521e46a60a05f063dd96f8d473_1_1 | f85fb79dfefdb6266f85cd31a1491f6b3c5faf78290fc5ebbe715919a41a8ddb |
Coding | codecontest | Write Python code to solve the task.
In a small but very proud high school it was decided to win ACM ICPC. This goal requires to compose as many teams of three as possible, but since there were only 6 students who wished to participate, the decision was to build exactly two teams.
After practice competition, participa... | Step 1: The problem requires finding a way to build exactly two teams with equal score from the individual scores of 6 participants.
Step 2: To solve this problem, we can use a brute force approach to generate all possible combinations of participants for the two teams and calculate the scores of each team. Then, we ... | 7159ebb1d62f76d44d4ca5b239f71c66154163d58db9ee3ec3cabf8fb14e59a9_1_1 | f85fb79dfefdb6266f85cd31a1491f6b3c5faf78290fc5ebbe715919a41a8ddb |
Coding | codecontest | Write Python code to solve the task.
In a small but very proud high school it was decided to win ACM ICPC. This goal requires to compose as many teams of three as possible, but since there were only 6 students who wished to participate, the decision was to build exactly two teams.
After practice competition, participa... | Step 1: To solve this problem, we need to determine if it's possible to build two teams with equal scores given the scores of six participants.
Step 2: We can start by calculating the total score of all the participants and checking if it's even. If it's not even, it's not possible to form two teams with equal scores... | 038fbf0d23b6903f9da12bdb20e22c49cd651d27cadecc4c17be28def0d996c9_1_1 | f85fb79dfefdb6266f85cd31a1491f6b3c5faf78290fc5ebbe715919a41a8ddb |
Coding | codecontest | Write Python code to solve the task.
Petya's friends made him a birthday present β a bracket sequence. Petya was quite disappointed with his gift, because he dreamed of correct bracket sequence, yet he told his friends nothing about his dreams and decided to fix present himself.
To make everything right, Petya is goi... | Step 1: A correct bracket sequence can be constructed by moving at most one bracket to a different position.
Step 2: We should check if the sequence is already a correct bracket sequence, and if not, then try moving one bracket and check if it becomes correct.
Step 3: We need to handle edge cases such as an empty se... | 1bdbd2da9fc9925aad414ede6748949ca78b05adc64e75ad184cb7725f025a4c_1_1 | 9e184d88804a2a50a7bad39afad17ed02e7f4192709b8e6804f7cd65e6e9d52e |
Coding | codecontest | Write Python code to solve the task.
Petya's friends made him a birthday present β a bracket sequence. Petya was quite disappointed with his gift, because he dreamed of correct bracket sequence, yet he told his friends nothing about his dreams and decided to fix present himself.
To make everything right, Petya is goi... | Step 1: The problem specifies that we should check if the bracket sequence can be made correct by moving at most one bracket.
Step 2: We can follow the logic that we need to balance the opening and closing brackets so that the sequence is correct.
Step 3: We'll iterate through the bracket sequence and keep track of ... | 9f63028de17352e1b02baa2e89ba8ceea8497934c91ce17ba7dd47572c0c3f8c_1_1 | 9e184d88804a2a50a7bad39afad17ed02e7f4192709b8e6804f7cd65e6e9d52e |
Coding | codecontest | Write Python code to solve the task.
Petya's friends made him a birthday present β a bracket sequence. Petya was quite disappointed with his gift, because he dreamed of correct bracket sequence, yet he told his friends nothing about his dreams and decided to fix present himself.
To make everything right, Petya is goi... | Step 1: To solve this problem, we need to check if the given bracket sequence can be made correct by moving at most one bracket.
Step 2: We can start by counting the number of opening and closing brackets in the sequence.
Step 3: We should keep track of the imbalance of brackets in the sequence and whether we encoun... | da4bc681943f2fbfad007cb552a0dc27251b0c08b635609a029deb4acda38bf4_1_1 | 9e184d88804a2a50a7bad39afad17ed02e7f4192709b8e6804f7cd65e6e9d52e |
Coding | codecontest | Write Python code to solve the task.
A tree is a connected graph that doesn't contain any cycles.
The distance between two vertices of a tree is the length (in edges) of the shortest path between these vertices.
You are given a tree with n vertices and a positive number k. Find the number of distinct pairs of the ver... | Step 1: We need to find the number of distinct pairs of vertices in the tree that have a distance of k between them.
Step 2: We can start by constructing the tree based on the given edges and vertices.
Step 3: Then we can implement a function to calculate the distance between two vertices in the tree.
Step 4: After... | 80daa1b93ff7cb405bb69a1e4077a93b7e66084ab6fa92f5edf900be7349df54_1_1 | 516d719f287c32e1afaeb6fe0b011c3893b9f80d74d7c8132db818273d52f98d |
Coding | codecontest | Write Python code to solve the task.
A tree is a connected graph that doesn't contain any cycles.
The distance between two vertices of a tree is the length (in edges) of the shortest path between these vertices.
You are given a tree with n vertices and a positive number k. Find the number of distinct pairs of the ver... | Step 1: To solve this problem, we need to find the number of distinct pairs of vertices in a tree that have a distance of exactly k between them.
Step 2: We can start by reading the input data and representing the tree as an adjacency list.
Step 3: Then, we can use dynamic programming to calculate the number of such... | ef50ed450da61d673ffb4d52c4431d2bae94ac69fec3a13a9ebfc01884196673_1_1 | 516d719f287c32e1afaeb6fe0b011c3893b9f80d74d7c8132db818273d52f98d |
Coding | codecontest | Write Python code to solve the task.
A tree is a connected graph that doesn't contain any cycles.
The distance between two vertices of a tree is the length (in edges) of the shortest path between these vertices.
You are given a tree with n vertices and a positive number k. Find the number of distinct pairs of the ver... | Step 1: To solve this problem, we can use a Depth First Search (DFS) algorithm to traverse the tree and find pairs of vertices with a distance of k.
Step 2: We will maintain and update a dictionary to keep track of the count of pairs with a distance of k.
Step 3: We also need to leverage the properties of a tree to ... | 2ba4a454588ae7f36d1688640f8315ed1fb7b6b6e6c27bbe1944abd395fe2417_1_1 | 516d719f287c32e1afaeb6fe0b011c3893b9f80d74d7c8132db818273d52f98d |
Coding | codecontest | Write Python code to solve the task.
There is a system of n vessels arranged one above the other as shown in the figure below. Assume that the vessels are numbered from 1 to n, in the order from the highest to the lowest, the volume of the i-th vessel is ai liters.
<image>
Initially, all the vessels are empty. In som... | Step 1: We need to keep track of the capacity and water level of each vessel, and handle adding water to a specific vessel and printing the water level of a specific vessel.
Step 2: We can start by creating a class to represent the vessels and methods to add water and print water level.
Step 3: The class should cont... | 2e2583606db93c3553a049316fc1cf12a72a153aff343196b29f302cf5f2206f_1_1 | 52c9d0ebce3c146751afc8d7f1defb8e92847c2741b637d34a399f333efb781b |
Coding | codecontest | Write Python code to solve the task.
There is a system of n vessels arranged one above the other as shown in the figure below. Assume that the vessels are numbered from 1 to n, in the order from the highest to the lowest, the volume of the i-th vessel is ai liters.
<image>
Initially, all the vessels are empty. In som... | Step 1:
The given program is to write a function to simulate the pouring of water into vessels and handle two types of queries subsequently: adding a certain amount of water to a vessel and printing the amount of water in a vessel.
We can start by understanding the initial setup, which involves system's vessels, thei... | 0ee011b34d874ad72fcc53d3be0dc81a5c4ad33cd7fcbd534c191c608dcf3978_1_1 | 52c9d0ebce3c146751afc8d7f1defb8e92847c2741b637d34a399f333efb781b |
Coding | codecontest | Write Python code to solve the task.
There is a system of n vessels arranged one above the other as shown in the figure below. Assume that the vessels are numbered from 1 to n, in the order from the highest to the lowest, the volume of the i-th vessel is ai liters.
<image>
Initially, all the vessels are empty. In som... | Step 1: The problem describes a system of vessels arranged in a certain way and presents two types of queries related to the vessels, along with some specific input and output restrictions. The solution involves calculating the number of liters of water in each vessel based on the given queries.
Step 2: To solve this... | da4c9cb5350520d4ac07321dda61555c7ef7ea66b441743e7eaeaed51c013dd3_1_1 | 52c9d0ebce3c146751afc8d7f1defb8e92847c2741b637d34a399f333efb781b |
Coding | codecontest | Write Python code to solve the task.
One day Vasya heard a story: "In the city of High Bertown a bus number 62 left from the bus station. It had n grown-ups and m kids..."
The latter events happen to be of no importance to us. Vasya is an accountant and he loves counting money. So he wondered what maximum and minimum ... | Step 1: We need to consider different scenarios:
Step 2: Case 1: If there are no grown-ups and there are children, it is impossible for the bus to ride.
Step 3: Case 2: If there are grown-ups but no children, each grown-up rides alone and pays one ruble for the ticket.
Step 4: Case 3: If there are both grown-ups an... | 80d0dc5c32819f0e9bfa2919d5be78a3454a84f19412d3832ed98f7db7072523_1_1 | c20470ff59b5cedd87d2d859c2ba9fca8f1709094f5e8b3f6426e13a11825800 |
Coding | codecontest | Write Python code to solve the task.
One day Vasya heard a story: "In the city of High Bertown a bus number 62 left from the bus station. It had n grown-ups and m kids..."
The latter events happen to be of no importance to us. Vasya is an accountant and he loves counting money. So he wondered what maximum and minimum ... | Step 1: To solve this problem, we need to consider the different scenarios based on the number of grown-ups and children, and then calculate the minimum and maximum possible total bus fare.
Step 2: If there are no grown-ups and no children, the total fare is zero.
Step 3: If there are no grown-ups and only children,... | 7236dfe587edf8a5ece9c3c27b326f53f2da9755d0980c4d773f662d6580d3e5_1_1 | c20470ff59b5cedd87d2d859c2ba9fca8f1709094f5e8b3f6426e13a11825800 |
Coding | codecontest | Write Python code to solve the task.
One day Vasya heard a story: "In the city of High Bertown a bus number 62 left from the bus station. It had n grown-ups and m kids..."
The latter events happen to be of no importance to us. Vasya is an accountant and he loves counting money. So he wondered what maximum and minimum ... | Step 1: The problem requires us to calculate the minimum and maximum total bus fare that all passengers of a bus could have paid in total based on the number of grown-ups and children.
Step 2: We need to consider the rules that for each grown-up passenger who rides with k children, he pays overall k rubles: a ticket ... | 03695aa84c2aa801b2a5aa5014ef882f890845c3e77043e32397e0c0ee72bec0_1_1 | c20470ff59b5cedd87d2d859c2ba9fca8f1709094f5e8b3f6426e13a11825800 |
Coding | codecontest | Write Python code to solve the task.
Inna is a great piano player and Dima is a modest guitar player. Dima has recently written a song and they want to play it together. Of course, Sereja wants to listen to the song very much.
A song is a sequence of notes. Dima and Inna want to play each note at the same time. At th... | Step 1: We need to find pairs of volumes that add up to the given value and maximize the total joy.
Step 2: We can start by finding all possible pairs of volumes for each note and calculating the joy for each pair.
Step 3: Then we can choose the pair that maximizes the total joy.
Step 4: We also need to consider th... | a5aa8985d2bad6f5f7419c3c36074a52333ba92aa6c358994369b9f57a067218_1_1 | 44f0a3f56699181e60390d7f9bce9e4a35d7fc1dd02c3a93a3fa89a44dacaf79 |
Coding | codecontest | Write Python code to solve the task.
Inna is a great piano player and Dima is a modest guitar player. Dima has recently written a song and they want to play it together. Of course, Sereja wants to listen to the song very much.
A song is a sequence of notes. Dima and Inna want to play each note at the same time. At th... | Step 1: To solve this problem, we need to calculate the joy value for each note of the song.
Step 2: If we can play a note at the given volumes such that the total volume equals bi, then we calculate the joy value and add it to the total joy.
Step 3: If we cannot play a note according to the rules, we subtract 1 fr... | 3eab180d7bc1216ffc6e9bb7d68797aafb768d62c45dbd127e376485e2d26ef9_1_1 | 44f0a3f56699181e60390d7f9bce9e4a35d7fc1dd02c3a93a3fa89a44dacaf79 |
Coding | codecontest | Write Python code to solve the task.
Inna is a great piano player and Dima is a modest guitar player. Dima has recently written a song and they want to play it together. Of course, Sereja wants to listen to the song very much.
A song is a sequence of notes. Dima and Inna want to play each note at the same time. At th... | Step 1: The problem requires finding the maximum joy Sereja feels after listening to the whole song when Dima and Inna play each note at the same time based on certain rules.
Step 2: We need to iterate through the notes and calculate the joy based on the volume at which each note is played.
Step 3: For each note, we... | 925267f6543fe74a364a76df9cd9ebd3c75ca0909090baf443e230d11cdeee9a_1_1 | 44f0a3f56699181e60390d7f9bce9e4a35d7fc1dd02c3a93a3fa89a44dacaf79 |
Coding | codecontest | Write Python code to solve the task.
View Russian Translation
Little pig Benny has just taken a shower. Now she is going to buy some gifts for her relatives. But the problem is that Benny doesn't know how to reach to the gift shop. Her friend Mike has created a special set of instructions for her.
A set of instructio... | Step 1: We need to keep track of Benny's position as she follows the instructions and update the state of each point she visits.
Step 2: We can start by defining the movements for each instruction and updating her position accordingly.
Step 3: We also need to keep track of the points she has visited and check if the... | d85253419bf5fd1120c8f2af5199a0bcd5177ff30faee7ba6e40381d6ef9e30a_1_1 | f4c91b80667906530bc0ac9cdf94b8f8e3dec96122e8af934f70214deb30a4f1 |
Coding | codecontest | Write Python code to solve the task.
View Russian Translation
Little pig Benny has just taken a shower. Now she is going to buy some gifts for her relatives. But the problem is that Benny doesn't know how to reach to the gift shop. Her friend Mike has created a special set of instructions for her.
A set of instructio... | Step 1: The problem is asking to calculate how many times Benny will fall down based on the given set of instructions.
Step 2: We can use the coordinates and set to keep track of visited points.
Step 3: We can then iterate through the instructions in the input string and update the coordinates and set of visited poi... | ad8d1208a938269a9b097b8cfeb137d7dc77115332b9ae61fab00ae5ed268297_1_1 | f4c91b80667906530bc0ac9cdf94b8f8e3dec96122e8af934f70214deb30a4f1 |
Coding | codecontest | Write Python code to solve the task.
View Russian Translation
Little pig Benny has just taken a shower. Now she is going to buy some gifts for her relatives. But the problem is that Benny doesn't know how to reach to the gift shop. Her friend Mike has created a special set of instructions for her.
A set of instructio... | Step 1: To solve this problem, we need to simulate Benny's movement based on the given set of instructions.
Step 2: We can keep track of Benny's location and record the points she has visited in a set to identify the icy points.
Step 3: We should also keep track of the number of times Benny slips and falls down whil... | b48968f1ebd9c29869e4cc20ce347d594d995d53e3ee7354a648a86e555be78f_1_1 | f4c91b80667906530bc0ac9cdf94b8f8e3dec96122e8af934f70214deb30a4f1 |
Coding | codecontest | Write Python code to solve the task.
In this problem you will have to deal with a real algorithm that is used in the VK social network.
As in any other company that creates high-loaded websites, the VK developers have to deal with request statistics regularly. An important indicator reflecting the load of the site is ... | Step 1: The problem involves calculating the mean number of queries for a certain period of time using an approximate algorithm and comparing the results with the real values.
Step 2: We need to implement two algorithms - one to calculate the required value by definition and another to calculate the mean value using ... | 5eb9c4579df1dcb2a390b26271f3acd203814cb3d27e2b7142f531a5cc318e84_1_1 | 7cf227f1dcc24c33c1ef790fbacd1642f9925013f8e04eb1260104d3fa01c4b4 |
Coding | codecontest | Write Python code to solve the task.
In this problem you will have to deal with a real algorithm that is used in the VK social network.
As in any other company that creates high-loaded websites, the VK developers have to deal with request statistics regularly. An important indicator reflecting the load of the site is ... | Step 1: We need to implement two algorithms to calculate the mean number of queries for the last T seconds.
Step 2: The first algorithm should calculate the value by definition, i.e., the real mean number of queries for the last T seconds.
Step 3: The second algorithm should calculate the mean value using the given ... | bb7544dd2e98e1ed7ae3b8a9f2fec019b56821de419ca012d3b672f596bad0f6_1_1 | 7cf227f1dcc24c33c1ef790fbacd1642f9925013f8e04eb1260104d3fa01c4b4 |
Coding | codecontest | Write Python code to solve the task.
In this problem you will have to deal with a real algorithm that is used in the VK social network.
As in any other company that creates high-loaded websites, the VK developers have to deal with request statistics regularly. An important indicator reflecting the load of the site is ... | Step 1: The objective of this problem is to create two algorithms that calculate the mean value of the number of queries for the last T seconds. The first algorithm calculates the required value by definition, while the second algorithm calculates the mean value using the given formula using an exponential decay. We w... | 938adbdfc329eecfd2d665d7091ce7a92120e2be3a5cdc8537eeef2c97d72eaf_1_1 | 7cf227f1dcc24c33c1ef790fbacd1642f9925013f8e04eb1260104d3fa01c4b4 |
Coding | codecontest | Write Python code to solve the task.
Tax Rate Changed
VAT (value-added tax) is a tax imposed at a certain rate proportional to the sale price.
Our store uses the following rules to calculate the after-tax prices.
* When the VAT rate is x%, for an item with the before-tax price of p yen, its after-tax price of the it... | Step 1: We need to consider all possibilities of before-tax prices of items in order to calculate the possible maximum total after-tax price when the VAT rate is changed.
Step 2: We can create a loop to consider all possible combinations of before-tax prices and calculate their after-tax prices with the new VAT rate.... | 3bd4f8db41448888c463bff37036b67482fa3dffd6f132356a6eb2af72f33aa9_1_1 | 94e8b378b122ad266207a8fb40889960cb5f351e7d963dc830ca78d4f0f72643 |
Coding | codecontest | Write Python code to solve the task.
Tax Rate Changed
VAT (value-added tax) is a tax imposed at a certain rate proportional to the sale price.
Our store uses the following rules to calculate the after-tax prices.
* When the VAT rate is x%, for an item with the before-tax price of p yen, its after-tax price of the it... | Step 1: We need to find the maximum total after-tax price for two items when the VAT rate changes from x% to y%.
Step 2: To solve this, we can iterate through all possible combinations of before-tax prices and calculate their after-tax prices using the given formulas.
Step 3: Then, we can find the maximum total afte... | 53eca0c2e20fc7294e86f5a54782e82bb10757ba959161e325093fa956c32757_1_1 | 94e8b378b122ad266207a8fb40889960cb5f351e7d963dc830ca78d4f0f72643 |
Coding | codecontest | Write Python code to solve the task.
Tax Rate Changed
VAT (value-added tax) is a tax imposed at a certain rate proportional to the sale price.
Our store uses the following rules to calculate the after-tax prices.
* When the VAT rate is x%, for an item with the before-tax price of p yen, its after-tax price of the it... | Step 1: The problem requires calculating the maximum total after-tax price of two items with the new VAT rate, knowing their total after-tax price before the VAT rate change.
Step 2: To compute this, we can use a nested loop to iterate through all possible combinations of before-tax prices of two items and calculate ... | a11f031068ff5fd3d889a37c7b8fa61dc8fd71708dee4dd2daff061343a06cde_1_1 | 94e8b378b122ad266207a8fb40889960cb5f351e7d963dc830ca78d4f0f72643 |
Coding | codecontest | Write Python code to solve the task.
Devu and his brother love each other a lot. As they are super geeks, they only like to play with arrays. They are given two arrays a and b by their father. The array a is given to Devu and b to his brother.
As Devu is really a naughty kid, he wants the minimum value of his array a... | Step 1: We need to find the minimum number of operations to ensure that the minimum value of array a is at least as much as the maximum value of array b.
Step 2: One possible approach is to sort both arrays and then iteratively adjust the elements to meet the condition.
Step 3: We can start by defining a function to... | 957433bbfd2dbc3ebb7a239f548a0e450d90ca91ab9cdaee64cc36fb4efc6576_1_1 | c9c8ab72e32d80996b755791abd8f8dfc7193edef96d67da7c21e91e1a17bd30 |
Coding | codecontest | Write Python code to solve the task.
Devu and his brother love each other a lot. As they are super geeks, they only like to play with arrays. They are given two arrays a and b by their father. The array a is given to Devu and b to his brother.
As Devu is really a naughty kid, he wants the minimum value of his array a... | Step 1: We need to find the fewest operations required to satisfy Devu's condition, which means the minimum value in array a should be at least as much as the maximum value in array b.
Step 2: We can achieve this by considering the minimum value in array a, the maximum value in array b, and the sequence sums of both ... | 35be7cecaaa7a3c5818358afc37ec96ab7926370202b37a4ff76f06392bdb0a2_1_1 | c9c8ab72e32d80996b755791abd8f8dfc7193edef96d67da7c21e91e1a17bd30 |
Coding | codecontest | Write Python code to solve the task.
Devu and his brother love each other a lot. As they are super geeks, they only like to play with arrays. They are given two arrays a and b by their father. The array a is given to Devu and b to his brother.
As Devu is really a naughty kid, he wants the minimum value of his array a... | Step 1: The problem involves comparing two arrays and finding the minimum number of operations required to satisfy a specific condition.
Step 2: We can start by reading the input which provides the size and content of the two arrays.
Step 3: We need to consider the condition that the minimum value of array a should ... | 12045a3322fbf92d43c436b55b87be34019691a5fff287bbdce9a9d3e91fe66e_1_1 | c9c8ab72e32d80996b755791abd8f8dfc7193edef96d67da7c21e91e1a17bd30 |
Coding | codecontest | Write Python code to solve the task.
Finished her homework, Nastya decided to play computer games. Passing levels one by one, Nastya eventually faced a problem. Her mission is to leave a room, where a lot of monsters live, as quickly as possible.
There are n manholes in the room which are situated on one line, but, un... | Step 1: To solve this problem, we need to find the minimum number of moves Nastya has to make to pick all the coins.
Step 2: We can begin by determining the position of the coins and the distance between them.
Step 3: We also need to consider the movement of Nastya and the throwing of stones from one manhole to anot... | 9a4a956a6e22bd0472f3efe9699910f8f9045567ebcbbfb972daef40a34a25e3_1_1 | be8e7678ec6a25d4c73013f01be3397f7b3ab958b8cf678ca5cdd38d62746ec0 |
Coding | codecontest | Write Python code to solve the task.
Finished her homework, Nastya decided to play computer games. Passing levels one by one, Nastya eventually faced a problem. Her mission is to leave a room, where a lot of monsters live, as quickly as possible.
There are n manholes in the room which are situated on one line, but, un... | Step 1: To solve this problem, we need to compute the minimum number of moves Nastya has to make to pick all the coins from the manholes.
Step 2: Nastya can perform three actions in each turn: throw a stone from the manhole she is standing near, go to a neighboring manhole, or open the manhole to pick a coin.
Step 3:... | 86f1aab1840adf2716176d7e48d44883b73fbc843831d07dca00380f2895e5dc_1_1 | be8e7678ec6a25d4c73013f01be3397f7b3ab958b8cf678ca5cdd38d62746ec0 |
Coding | codecontest | Write Python code to solve the task.
Finished her homework, Nastya decided to play computer games. Passing levels one by one, Nastya eventually faced a problem. Her mission is to leave a room, where a lot of monsters live, as quickly as possible.
There are n manholes in the room which are situated on one line, but, un... | Step 1: The problem requires finding the minimum number of moves for Nastya to pick all the coins from the manholes while following the given rules.
Step 2: The distance Nastya needs to travel to pick all the coins depends on the position of the manhole she starts at and the total number of manholes.
Step 3: We need... | e2654bce308b6caa42831024cb1bcb79bf41f5f4f0d838954246493a261ea3bc_1_1 | be8e7678ec6a25d4c73013f01be3397f7b3ab958b8cf678ca5cdd38d62746ec0 |
Coding | codecontest | Write Python code to solve the task.
There are three cells on an infinite 2-dimensional grid, labeled A, B, and F. Find the length of the shortest path from A to B if:
* in one move you can go to any of the four adjacent cells sharing a side;
* visiting the cell F is forbidden (it is an obstacle).
Input
The f... | Step 1: We need to find the shortest path from cell A to cell B while avoiding the forbidden cell F.
Step 2: We can use a breadth-first search (BFS) algorithm to find the shortest path.
Step 3: We can create a function to generate the adjacent cells of a given cell and use it to explore the neighboring cells while a... | 569d947df2049e26b94c2f101fcecb4fe09d71c024f90ba26c1d4f5b78b992b6_1_1 | 4ad02fcde8571965b571447de4329851df4d7ed707b3a29d7644bb20c0fb527d |
Coding | codecontest | Write Python code to solve the task.
There are three cells on an infinite 2-dimensional grid, labeled A, B, and F. Find the length of the shortest path from A to B if:
* in one move you can go to any of the four adjacent cells sharing a side;
* visiting the cell F is forbidden (it is an obstacle).
Input
The f... | Step 1: To solve this problem, we need to find the shortest path from cell A to cell B while avoiding cell F.
Step 2: We can use a simple distance-based approach to calculate the shortest path between the cells.
Step 3: If the cells are on the same row or column, the distance is the absolute difference between their... | 78e12ba0653aba2f62fd490b0f8dd7129a711c5a83eac3b2bd1ab6947a8c8588_1_1 | 4ad02fcde8571965b571447de4329851df4d7ed707b3a29d7644bb20c0fb527d |
Coding | codecontest | Write Python code to solve the task.
There are three cells on an infinite 2-dimensional grid, labeled A, B, and F. Find the length of the shortest path from A to B if:
* in one move you can go to any of the four adjacent cells sharing a side;
* visiting the cell F is forbidden (it is an obstacle).
Input
The f... | Step 1: To solve this problem, we need to find the shortest path from cell A to cell B while avoiding cell F as an obstacle.
Step 2: We can consider the possible movements in the 2D grid and calculate the shortest distance between the two cells.
Step 3: Our approach should involve calculating the Manhattan distance... | 7c0071af7b8dedb82940d465e2c809735c5d758d7efa262327f10d85ee781d57_1_1 | 4ad02fcde8571965b571447de4329851df4d7ed707b3a29d7644bb20c0fb527d |
Coding | codecontest | Write Python code to solve the task.
Xenia the beginner programmer has a sequence a, consisting of 2n non-negative integers: a1, a2, ..., a2n. Xenia is currently studying bit operations. To better understand how they work, Xenia decided to calculate some value v for a.
Namely, it takes several iterations to calculate ... | Step 1: We need to iterate through the sequence operations for each query and calculate the value v after each query.
Step 2: We can start by creating a function to calculate the value v for a given sequence based on Xenia's method.
Step 3: Then we can iterate through the queries and update the sequence based on the... | 72a15b7b063a3ae6bdfffb9c3cc7541d8ebe92f0a85875ed56bf68a599233811_1_1 | d3b1c565ecb7a8f5cb44e61cd7174774c75616fed8672343ea12b3760f4e30a7 |
Coding | codecontest | Write Python code to solve the task.
Xenia the beginner programmer has a sequence a, consisting of 2n non-negative integers: a1, a2, ..., a2n. Xenia is currently studying bit operations. To better understand how they work, Xenia decided to calculate some value v for a.
Namely, it takes several iterations to calculate ... | Step 1: The problem requires maintaining a sequence of 2n integers and performing bit operations on the sequence based on some queries. The performance of this operation must be efficient.
Step 2: We can use a segment tree to represent the sequence and perform the bit operations efficiently. We can define a build fun... | 9bcc33a9fd22792e30b57a0be2aedf4b99657b05b39df4f37221383caf6bd942_1_1 | d3b1c565ecb7a8f5cb44e61cd7174774c75616fed8672343ea12b3760f4e30a7 |
Coding | codecontest | Write Python code to solve the task.
Xenia the beginner programmer has a sequence a, consisting of 2n non-negative integers: a1, a2, ..., a2n. Xenia is currently studying bit operations. To better understand how they work, Xenia decided to calculate some value v for a.
Namely, it takes several iterations to calculate ... | Step 1: The problem describes a sequence calculation based on alternate bitwise OR and bitwise XOR operations on adjacent elements of the sequence until a single value is obtained.
Step 2: We need to implement the sequence transformation and handle the additional queries to return the value v for the updated sequence... | b7ea8c5e6fb1ef35a6ce8877d2a415f0d619972d8f3fe4f1a2eccfd236bd583d_1_1 | d3b1c565ecb7a8f5cb44e61cd7174774c75616fed8672343ea12b3760f4e30a7 |
Coding | codecontest | Write Python code to solve the task.
You are given integer n. You have to arrange numbers from 1 to 2n, using each of them exactly once, on the circle, so that the following condition would be satisfied:
For every n consecutive numbers on the circle write their sum on the blackboard. Then any two of written on the bla... | Step 1: We need to find a valid arrangement of numbers from 1 to 2n on a circle such that the sum of every n consecutive numbers on the circle differ by not more than 1.
Step 2: We can start by checking for conditions that would make it impossible to find a valid arrangement, such as when n is even or if n is odd but... | 97805119206a4f0b6cf765aa4f1d38bba965f4232cb33dd870d539989bcbc391_1_1 | 2a297ba6abe1693caa7ddcd4074250ac7c96ae4723c78c8212b44bb7c84f5800 |
Coding | codecontest | Write Python code to solve the task.
You are given integer n. You have to arrange numbers from 1 to 2n, using each of them exactly once, on the circle, so that the following condition would be satisfied:
For every n consecutive numbers on the circle write their sum on the blackboard. Then any two of written on the bla... | Step 1:
The proposed solution uses a mathematical formula to calculate the total and distribute numbers in the array based on specific conditions. It then performs a series of calculations and checks to determine if a valid arrangement is possible for the given integer n. The function 'solve' tries to find a valid arr... | 903097eb34cb14ebbe1752d1e3e89f18d93c54b7ca7e7c973d2c3af4d24b9313_1_1 | 2a297ba6abe1693caa7ddcd4074250ac7c96ae4723c78c8212b44bb7c84f5800 |
Coding | codecontest | Write Python code to solve the task.
You are given integer n. You have to arrange numbers from 1 to 2n, using each of them exactly once, on the circle, so that the following condition would be satisfied:
For every n consecutive numbers on the circle write their sum on the blackboard. Then any two of written on the bla... | Step 1: The problem requires us to arrange the numbers from 1 to 2n on a circle in a specific way to satisfy the given condition.
Step 2: If the integer n is not even, there is a solution. We can output "YES" and arrange the numbers as per the given conditions.
Step 3: If the integer n is even, there is no solution.... | 2debdce75b5853a5491aac4624176ca7f1168fb918f95e15e0b1bd7b8fb3a2d1_1_1 | 2a297ba6abe1693caa7ddcd4074250ac7c96ae4723c78c8212b44bb7c84f5800 |
Coding | codecontest | Write Python code to solve the task.
Let's call two strings s and t anagrams of each other if it is possible to rearrange symbols in the string s to get a string, equal to t.
Let's consider two strings s and t which are anagrams of each other. We say that t is a reducible anagram of s if there exists an integer k β₯ 2 ... | Step 1: This problem requires us to determine if a substring of a given string has at least one irreducible anagram.
Step 2: We can create a table of counts of characters in the given string to help us determine irreducible anagrams.
Step 3: We'll then use this table to answer the queries for each substring.
Step 4:... | c4259550326dade5ebed73242da6dc6a8cc9d1fcde3db310e521558b5d8f5749_1_1 | 24372463cc2780c4fc9a8ffdcc81dde2b8c45aaf5446820a4a494479eebd5dd0 |
Coding | codecontest | Write Python code to solve the task.
Let's call two strings s and t anagrams of each other if it is possible to rearrange symbols in the string s to get a string, equal to t.
Let's consider two strings s and t which are anagrams of each other. We say that t is a reducible anagram of s if there exists an integer k β₯ 2 ... | Step 1:
The problem requires determining whether a given substring of a string has at least one irreducible anagram.
We can start by initializing a list to store the frequency of characters in the string 's'. This will help us quickly determine the number of characters within a given substring.
We then process each qu... | ed29829b1c1cad02d0dfb92366c5674b1160518aab336452c7e3e6abfa2ce357_1_1 | 24372463cc2780c4fc9a8ffdcc81dde2b8c45aaf5446820a4a494479eebd5dd0 |
Coding | codecontest | Write Python code to solve the task.
Let's call two strings s and t anagrams of each other if it is possible to rearrange symbols in the string s to get a string, equal to t.
Let's consider two strings s and t which are anagrams of each other. We say that t is a reducible anagram of s if there exists an integer k β₯ 2 ... | Step 1:
The problem requires finding if a given substring has at least one irreducible anagram. We can achieve this by implementing a solution that checks for reducible and irreducible anagrams based on the given conditions.
We'll need to define functions to handle the reading of input and writing of output. To proce... | b6679966292ffab4b986dbb88c7784d920dc9302bf4998a171d72318b7148457_1_1 | 24372463cc2780c4fc9a8ffdcc81dde2b8c45aaf5446820a4a494479eebd5dd0 |
Coding | codecontest | Write Python code to solve the task.
Suppose you are performing the following algorithm. There is an array v_1, v_2, ..., v_n filled with zeroes at start. The following operation is applied to the array several times β at i-th step (0-indexed) you can:
* either choose position pos (1 β€ pos β€ n) and increase v_{pos}... | Step 1: The main goal is to check if it is possible to achieve the target array by applying the given operations of the algorithm.
Step 2: We need to use a dictionary to keep track of the powers of k corresponding to each position in the array.
Step 3: Then, we check if we can achieve the target array based on the ... | 2cf1fa33b72e78460bef0e1a9dbf6a560b29bcd79ea3f76847549c2d711b022e_1_1 | 227a354e97512f7dc3999afe440da587cf54c0cc3f08e262db0af7a16b6afce2 |
Coding | codecontest | Write Python code to solve the task.
Suppose you are performing the following algorithm. There is an array v_1, v_2, ..., v_n filled with zeroes at start. The following operation is applied to the array several times β at i-th step (0-indexed) you can:
* either choose position pos (1 β€ pos β€ n) and increase v_{pos}... | Step 1: The question is asking to check if the given array a can be achieved after some steps or not.
Step 2: We cannot directly calculate the array v after some steps, so we need to check if the given array a can be achieved after some steps.
Step 3: This can be realized by parsing the integer in base k and updatin... | 993a42932365083fbf3fd9ccc511cc59b4d984fd0f30752154ea3e6894dfbe32_1_1 | 227a354e97512f7dc3999afe440da587cf54c0cc3f08e262db0af7a16b6afce2 |
Coding | codecontest | Write Python code to solve the task.
Suppose you are performing the following algorithm. There is an array v_1, v_2, ..., v_n filled with zeroes at start. The following operation is applied to the array several times β at i-th step (0-indexed) you can:
* either choose position pos (1 β€ pos β€ n) and increase v_{pos}... | Step 1: The problem asks to determine if it is possible to achieve a target array by applying a certain algorithm to an initial array.
Step 2: We need to parse the input and determine the steps required by the algorithm to modify the array.
Step 3: Then we need to check if the final array matches the target array an... | 6ea933d15b86e3909e45a1abd5c2f8c6121985e20c772b25a43a60bcffed5ae4_1_1 | 227a354e97512f7dc3999afe440da587cf54c0cc3f08e262db0af7a16b6afce2 |
Coding | codecontest | Write Python code to solve the task.
In this problem you will meet the simplified model of game King of Thieves.
In a new ZeptoLab game called "King of Thieves" your aim is to reach a chest with gold by controlling your character, avoiding traps and obstacles on your way.
<image>
An interesting feature of the game i... | Step 1: The problem requires checking if a level is "good" based on the positions of the platforms and pits.
Step 2: To solve the problem, we can iterate through the level scheme and maintain a list of indices corresponding to the platforms.
Step 3: After obtaining the indices of the platforms, we can check for any ... | 37926563ece662655ba81a4863ab2ed18f109a0f247a1cf978c6188f9ea7327e_1_1 | 5076ce1a877bc294be3822e1c6376768ea24dab776b66264ace4a13661a2618b |
Coding | codecontest | Write Python code to solve the task.
In this problem you will meet the simplified model of game King of Thieves.
In a new ZeptoLab game called "King of Thieves" your aim is to reach a chest with gold by controlling your character, avoiding traps and obstacles on your way.
<image>
An interesting feature of the game i... | Step 1: To solve this problem, we need to check if there is a sequence of five platforms in the level that have the same interval between consecutive platforms.
Step 2: We can iterate through the scheme of the level and check for patterns of five consecutive platforms with the same interval between them.
Step 3: If ... | 67040131159770b982683239be9a4edf8e90ab2b46613e8433d8b0e06463446a_1_1 | 5076ce1a877bc294be3822e1c6376768ea24dab776b66264ace4a13661a2618b |
Coding | codecontest | Write Python code to solve the task.
In this problem you will meet the simplified model of game King of Thieves.
In a new ZeptoLab game called "King of Thieves" your aim is to reach a chest with gold by controlling your character, avoiding traps and obstacles on your way.
<image>
An interesting feature of the game i... | Step 1: To solve this problem, we need to check if there is a sequence of five consecutive platforms that form equally spaced intervals between them.
Step 2: We can iterate through the scheme of the level and check for each platform if there exists a sequence of four platforms that has the same spacing intervals betw... | 4a88b0663780aa0850f24ddcda8d36417f8220586b1b9ec59a75e6e9ec4e5e30_1_1 | 5076ce1a877bc294be3822e1c6376768ea24dab776b66264ace4a13661a2618b |
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 describes an optimization of the bogosort algorithm. The optimization involves fixing elements that are in the right place and only shuffling the remaining elements. The solution requires calculating the expected amount of shuffles needed for the improved algorithm to sort the sequence of the first... | 477cfb70c650a1d8bd47b2b2a90dabe527557d0ea7ff8e476d2e6bd31911513c_1_1 | e1987e9e1689f46773e722d4ab442dfae058991500e27bb4878811a2a8b2955e |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.