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Coding
codecontest
Write Python code to solve the task. BerOilGasDiamondBank has branches in n cities, at that n is an even number. The bank management wants to publish a calendar with the names of all those cities written in two columns: the calendar should consist of exactly n / 2 lines of strictly equal length, each of which contains ...
Step 1: The problem requires the calendar to consist of n / 2 lines of strictly equal length, with each line containing exactly two names and one separator character. Step 2: The names of the cities should be used exactly once, and if we concatenate all n / 2 lines, the resulting line should be lexicographically min...
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Coding
codecontest
Write Python code to solve the task. As shown in the following figure, there is a paper consisting of a grid structure where each cell is indicated by (x, y) coordinate system. We are going to put drops of ink on the paper. A drop comes in three different sizes: Large, Medium, and Small. From the point of fall, the in...
Step 1: This problem describes a grid structure with a system (x, y) coordinate and the process of ink sinking into the cells based on its size. We need to simulate the ink placement and determine the density values of the cells according to the size of the ink. Step 2: To solve this problem, we can represent the gri...
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Coding
codecontest
Write Python code to solve the task. As shown in the following figure, there is a paper consisting of a grid structure where each cell is indicated by (x, y) coordinate system. We are going to put drops of ink on the paper. A drop comes in three different sizes: Large, Medium, and Small. From the point of fall, the in...
Step 1: The problem requires simulating the process of putting drops of ink on a grid and then calculating the density of each cell based on the size of the ink drop. Step 2: Given that each drop affects surrounding cells differently based on the drop size, we need to simulate this process and calculate the density o...
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2b0317fc674ce8c391fd7b294be1f5dacd431aac554c4959e86b0d985489960e
Coding
codecontest
Write Python code to solve the task. As shown in the following figure, there is a paper consisting of a grid structure where each cell is indicated by (x, y) coordinate system. We are going to put drops of ink on the paper. A drop comes in three different sizes: Large, Medium, and Small. From the point of fall, the in...
Step 1: The problem involves calculating the density of ink in the cells of a 10x10 grid. When drops of ink are placed on the grid, the ink's density spreads out in the surrounding cells according to the ink's size. Step 2: First, I need to implement the grid and the three types of ink (small, medium, and large). The...
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2b0317fc674ce8c391fd7b294be1f5dacd431aac554c4959e86b0d985489960e
Coding
codecontest
Write Python code to solve the task. As shown in the following figure, there is a paper consisting of a grid structure where each cell is indicated by (x, y) coordinate system. We are going to put drops of ink on the paper. A drop comes in three different sizes: Large, Medium, and Small. From the point of fall, the in...
Step 1: The problem requires filling an ink in different sizes in the cells of a grid. The ink increases the density of cells. The program shou;d output the number of cells whose density value is 0 and the maximum value of density. Step 2: We can represent the grid as a 2D list and initialize it with zeros. There wil...
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2b0317fc674ce8c391fd7b294be1f5dacd431aac554c4959e86b0d985489960e
Coding
codecontest
Write Python code to solve the task. Arkady decides to observe a river for n consecutive days. The river's water level on each day is equal to some real value. Arkady goes to the riverside each day and makes a mark on the side of the channel at the height of the water level, but if it coincides with a mark made before...
Step 1: The goal here is to find the minimum possible sum of marks strictly below the water level over all days. Step 2: To solve this problem, we need to iterate through the given marks and calculate the minimum possible sum of marks strictly below the water level. Step 3: We can use dynamic programming to calculat...
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Coding
codecontest
Write Python code to solve the task. Arkady decides to observe a river for n consecutive days. The river's water level on each day is equal to some real value. Arkady goes to the riverside each day and makes a mark on the side of the channel at the height of the water level, but if it coincides with a mark made before...
Step 1: To solve this problem, we need to find the minimum possible sum of the number of marks strictly below the water level among all days. Step 2: We need to iterate through the given list and calculate the minimum possible sum of marks underwater each day. Step 3: The input represents the number of days and the ...
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193c2256a7c18b6e10f363b746d021159646c5ff500c0f594fe026a75a2cf54c
Coding
codecontest
Write Python code to solve the task. Arkady decides to observe a river for n consecutive days. The river's water level on each day is equal to some real value. Arkady goes to the riverside each day and makes a mark on the side of the channel at the height of the water level, but if it coincides with a mark made before...
Step 1: The given problem is asking us to find the minimum possible sum of marks strictly below the water level among all days. Step 2: To achieve this, we need to identify the minimum required number of marks for each day, which are below the current water level. Step 3: We'll then calculate the sum of these marks ...
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193c2256a7c18b6e10f363b746d021159646c5ff500c0f594fe026a75a2cf54c
Coding
codecontest
Write Python code to solve the task. Arkady decides to observe a river for n consecutive days. The river's water level on each day is equal to some real value. Arkady goes to the riverside each day and makes a mark on the side of the channel at the height of the water level, but if it coincides with a mark made before...
Step 1: The problem requires us to find the minimum possible sum of the number of marks strictly below the water level among all days. This means we need to find the minimum sum of di over all days, where di represents the number of marks strictly under the water level on the i-th day. Step 2: We can start by process...
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193c2256a7c18b6e10f363b746d021159646c5ff500c0f594fe026a75a2cf54c
Coding
codecontest
Write Python code to solve the task. There was once young lass called Mary, Whose jokes were occasionally scary. On this April's Fool Fixed limerick rules Allowed her to trip the unwary. Can she fill all the lines To work at all times? On juggling the words ...
Step 1: The given problem seems to require finding the divisors of a given number and arranging them in ascending order. Step 2: Then, depending on whether the number of divisors is even or odd, we need to output a specific combination of two divisors. Step 3: We should also account for the case where the number its...
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c928a88cf9e4365e373203706149cd33eb84cb9bc0bc47100cba461f579ed6c5
Coding
codecontest
Write Python code to solve the task. There was once young lass called Mary, Whose jokes were occasionally scary. On this April's Fool Fixed limerick rules Allowed her to trip the unwary. Can she fill all the lines To work at all times? On juggling the words ...
Step 1: The problem requires finding a number based on the input number according to specific conditions. Step 2: We need to find two numbers such that their product is equal to the input number and they differ by two-thirds of the length of the smaller number. Step 3: To solve this, we will start by iterating throu...
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c928a88cf9e4365e373203706149cd33eb84cb9bc0bc47100cba461f579ed6c5
Coding
codecontest
Write Python code to solve the task. There was once young lass called Mary, Whose jokes were occasionally scary. On this April's Fool Fixed limerick rules Allowed her to trip the unwary. Can she fill all the lines To work at all times? On juggling the words ...
Step 1: This problem requires finding the smallest two factors of a given number, which we will call `a`. Step 2: To do this, we can loop through all numbers from 2 up to `a` and test if `a` is divisible by each number. Step 3: If `a` is divisible by a number, it means that both the number and `a` divided by that nu...
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c928a88cf9e4365e373203706149cd33eb84cb9bc0bc47100cba461f579ed6c5
Coding
codecontest
Write Python code to solve the task. There was once young lass called Mary, Whose jokes were occasionally scary. On this April's Fool Fixed limerick rules Allowed her to trip the unwary. Can she fill all the lines To work at all times? On juggling the words ...
Step 1: The problem asks us to output a single number depending on the input number provided. Step 2: The given code snippet uses Python 2 syntax, so we need to convert it to Python 3 syntax. Step 3: The code loops through the integers in the range from 2 to the input number. Step 4: It checks if the input number i...
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c928a88cf9e4365e373203706149cd33eb84cb9bc0bc47100cba461f579ed6c5
Coding
codecontest
Write Python code to solve the task. Volodya has recently visited a very odd town. There are N tourist attractions in the town and every two of them are connected by a bidirectional road. Each road has some travel price (natural number) assigned to it and all prices are distinct. But the most striking thing about this ...
Step 1: The problem requires generating a set of prices for the roads that connect the N tourist attractions. The sum of the road prices should be the same for any possible cycle that visits every attraction exactly once. Step 2: We can start by considering the distinct road price set for each attraction. We can loop...
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211d8ac7ade2560e8261d24c391260c20744eb4aa4d9203c30a0c6e1aca08334
Coding
codecontest
Write Python code to solve the task. Volodya has recently visited a very odd town. There are N tourist attractions in the town and every two of them are connected by a bidirectional road. Each road has some travel price (natural number) assigned to it and all prices are distinct. But the most striking thing about this ...
Step 1: The problem requires us to find an adjacency matrix for the prices graph, such that the cost of any cycle visiting every attraction exactly once is the same. Step 2: To achieve this, we'll start with the minimum number of town attractions, and then incrementally build the adjacency matrix with distinct positi...
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211d8ac7ade2560e8261d24c391260c20744eb4aa4d9203c30a0c6e1aca08334
Coding
codecontest
Write Python code to solve the task. Volodya has recently visited a very odd town. There are N tourist attractions in the town and every two of them are connected by a bidirectional road. Each road has some travel price (natural number) assigned to it and all prices are distinct. But the most striking thing about this ...
Step 1: The problem requires us to find an adjacency matrix of the price graph for the given number of town attractions. Step 2: We need to ensure that each city sightseeing tour has the same total price, and the prices should be positive and pairwise distinct. Step 3: To solve this problem, we can use a greedy alg...
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211d8ac7ade2560e8261d24c391260c20744eb4aa4d9203c30a0c6e1aca08334
Coding
codecontest
Write Python code to solve the task. Volodya has recently visited a very odd town. There are N tourist attractions in the town and every two of them are connected by a bidirectional road. Each road has some travel price (natural number) assigned to it and all prices are distinct. But the most striking thing about this ...
Step 1: The problem requires us to generate an adjacency matrix for the prices graph with distinct road prices for a town with a specific number of tourist attractions. Step 2: We need to ensure that the sum of the costs of the tour roads is independent for each city sightseeing tour. Step 3: To achieve this, we can...
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211d8ac7ade2560e8261d24c391260c20744eb4aa4d9203c30a0c6e1aca08334
Coding
codecontest
Write Python code to solve the task. The zombies are gathering in their secret lair! Heidi will strike hard to destroy them once and for all. But there is a little problem... Before she can strike, she needs to know where the lair is. And the intel she has is not very good. Heidi knows that the lair can be represented...
Step 1: The given problem requires us to determine if a single non-zero rectangular-formed lair exists based on the results from checking levels of Zombie Contamination on a lattice. Step 2: To solve this, we need to check if there are four corners in the lattice with a non-zero contamination level, and if they form...
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c0f4722a884cec61993c3edd52c1c6717141c748bb04482374fd1266dcedf483
Coding
codecontest
Write Python code to solve the task. The zombies are gathering in their secret lair! Heidi will strike hard to destroy them once and for all. But there is a little problem... Before she can strike, she needs to know where the lair is. And the intel she has is not very good. Heidi knows that the lair can be represented...
Step 1: To solve this problem, we need to determine if a rectangular-shaped lair exists based on the given Zombie Contamination levels. Step 2: We can start by processing the input to identify the corners of the potential rectangular lair. Step 3: We'll then verify if the identified corners form a valid rectangle an...
be5abc6e88cdb0fa7655942105eb06f44f8cf23e429e05680d397a5eb5dcb62f_1_1
c0f4722a884cec61993c3edd52c1c6717141c748bb04482374fd1266dcedf483
Coding
codecontest
Write Python code to solve the task. The zombies are gathering in their secret lair! Heidi will strike hard to destroy them once and for all. But there is a little problem... Before she can strike, she needs to know where the lair is. And the intel she has is not very good. Heidi knows that the lair can be represented...
Step 1: The problem requires a solution that can check if the given output is formed by a single non-zero area rectangular-shaped lair. Step 2: The first step is to gather the data from the input and checks based on specified conditions in the problem. Step 3: We need to process the input grid and based on the outpu...
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c0f4722a884cec61993c3edd52c1c6717141c748bb04482374fd1266dcedf483
Coding
codecontest
Write Python code to solve the task. The zombies are gathering in their secret lair! Heidi will strike hard to destroy them once and for all. But there is a little problem... Before she can strike, she needs to know where the lair is. And the intel she has is not very good. Heidi knows that the lair can be represented...
Step 1: There are a few tasks that form this problem. The first task is to read the input grid and transform it into a two-dimensional list. Then there is a search through the grid for specific values that act as the coordinates of the corner ends of the rectangle. There is also a secondary grid, of which the purpose ...
ddc83c9f40e2a2e9ff6e02d0a2aefa0d19040cdb26a60d4793b471fae58735cf_1_1
c0f4722a884cec61993c3edd52c1c6717141c748bb04482374fd1266dcedf483
Coding
codecontest
Write Python code to solve the task. Returning back to problem solving, Gildong is now studying about palindromes. He learned that a palindrome is a string that is the same as its reverse. For example, strings "pop", "noon", "x", and "kkkkkk" are palindromes, while strings "moon", "tv", and "abab" are not. An empty str...
Step 1: To solve this problem, we need to find a way to construct a palindrome from the given strings. Step 2: We can start by checking if any strings have a reverse in the list, as they can be paired to form the beginning and end of the palindrome. Step 3: Then we have to consider strings that can form the middle...
7d976bbca47e5f0651188d6903de9fd7fd7397f0ad869cd4488fcb6cf6ffd26c_1_1
2e5bb8a0ff7d64b77dfa6eecdda1ea1136ba2203c154109f42b34358c0b8ea38
Coding
codecontest
Write Python code to solve the task. Returning back to problem solving, Gildong is now studying about palindromes. He learned that a palindrome is a string that is the same as its reverse. For example, strings "pop", "noon", "x", and "kkkkkk" are palindromes, while strings "moon", "tv", and "abab" are not. An empty str...
Step 1: The task is to find the longest palindrome that can be constructed using a given set of strings with a specified length. Step 2: To solve this problem, we can iterate through the given strings and check for pairs that form a palindrome when concatenated. We can store these pairs to construct the palindrome la...
a67aa9acebe37b860c60b3ed6926d07cbe3e4554dc6a247b07c853bae1a3e8a2_1_1
2e5bb8a0ff7d64b77dfa6eecdda1ea1136ba2203c154109f42b34358c0b8ea38
Coding
codecontest
Write Python code to solve the task. Returning back to problem solving, Gildong is now studying about palindromes. He learned that a palindrome is a string that is the same as its reverse. For example, strings "pop", "noon", "x", and "kkkkkk" are palindromes, while strings "moon", "tv", and "abab" are not. An empty str...
Step 1: The problem requires us to find the longest palindrome that can be formed by concatenating distinct strings of the same length. Step 2: We need to consider reversing the strings and checking if a palindrome can be formed using them. Step 3: We also need to optimize the construction of the palindrome for ma...
8450ac4fb98595aef30f5535db3aafff188afb63ff91aa33efefe887451278b6_1_1
2e5bb8a0ff7d64b77dfa6eecdda1ea1136ba2203c154109f42b34358c0b8ea38
Coding
codecontest
Write Python code to solve the task. Returning back to problem solving, Gildong is now studying about palindromes. He learned that a palindrome is a string that is the same as its reverse. For example, strings "pop", "noon", "x", and "kkkkkk" are palindromes, while strings "moon", "tv", and "abab" are not. An empty str...
Step 1: The problem requires us to find the longest possible palindrome that can be created from a given set of strings. Step 2: To solve this problem, we should first identify any pairs of strings that are reverses of each other. These pairs can form the two ends of the palindrome. Step 3: We also need to check for...
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2e5bb8a0ff7d64b77dfa6eecdda1ea1136ba2203c154109f42b34358c0b8ea38
Coding
codecontest
Write Python code to solve the task. Recall that a binary search tree is a rooted binary tree, whose nodes each store a key and each have at most two distinguished subtrees, left and right. The key in each node must be greater than any key stored in the left subtree, and less than any key stored in the right subtree. ...
Step 1: The solution is a one-liner code that performs a mathematical operation to determine the number of perfectly balanced striped binary search trees with n vertices. Step 2: The first step is to triple the input integer and store the result in variable x. This operation is done to transform the condition into a ...
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39b1f598516a087308fa30523c895988658518e9421cf481f6e372055ff39910
Coding
codecontest
Write Python code to solve the task. Recall that a binary search tree is a rooted binary tree, whose nodes each store a key and each have at most two distinguished subtrees, left and right. The key in each node must be greater than any key stored in the left subtree, and less than any key stored in the right subtree. ...
Step 1: We need to find the number of perfectly balanced striped binary search trees with n vertices that have distinct integer keys between 1 and n. Step 2: To solve this problem, we can calculate the number of perfectly balanced striped binary search trees for a given number of vertices n using a mathematical formu...
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39b1f598516a087308fa30523c895988658518e9421cf481f6e372055ff39910
Coding
codecontest
Write Python code to solve the task. Recall that a binary search tree is a rooted binary tree, whose nodes each store a key and each have at most two distinguished subtrees, left and right. The key in each node must be greater than any key stored in the left subtree, and less than any key stored in the right subtree. ...
Step 1: The problem requires us to find the number of perfectly balanced striped binary search trees with n vertices. Step 2: We need to consider the definition of perfectly balanced striped binary search trees and the conditions for such trees. Step 3: We should define a function to determine the number of perfectl...
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39b1f598516a087308fa30523c895988658518e9421cf481f6e372055ff39910
Coding
codecontest
Write Python code to solve the task. Recall that a binary search tree is a rooted binary tree, whose nodes each store a key and each have at most two distinguished subtrees, left and right. The key in each node must be greater than any key stored in the left subtree, and less than any key stored in the right subtree. ...
Step 1: To solve this problem, we need to find the number of perfectly balanced striped binary search trees with n vertices. Step 2: We can start by understanding the conditions for a perfectly balanced striped binary search tree and the properties of such trees. Step 3: Then, we can find a systematic way to generat...
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39b1f598516a087308fa30523c895988658518e9421cf481f6e372055ff39910
Coding
codecontest
Write Python code to solve the task. Slava plays his favorite game "Peace Lightning". Now he is flying a bomber on a very specific map. Formally, map is a checkered field of size 1 × n, the cells of which are numbered from 1 to n, in each cell there can be one or several tanks. Slava doesn't know the number of tanks a...
Step 1: To solve this problem, we need to minimize the number of bombs required to destroy all the tanks on the map. Step 2: We can achieve this by dropping bombs in cells that will destroy as many tanks as possible in one go. Step 3: We need to consider the movement of tanks after taking damage and ensure that we d...
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d4de1d5593384d1c9da3ad9edc4e5d1d90c06cd6406df0b38b810f0f9feca4a9
Coding
codecontest
Write Python code to solve the task. Slava plays his favorite game "Peace Lightning". Now he is flying a bomber on a very specific map. Formally, map is a checkered field of size 1 × n, the cells of which are numbered from 1 to n, in each cell there can be one or several tanks. Slava doesn't know the number of tanks a...
Step 1: To solve this problem, we can iterate through the cells of the checkered field and drop bombs to minimize the number of moves made by the tanks. Step 2: We need to make sure that all tanks are destroyed using as few bombs as possible. Step 3: We can maintain a list of cells where we drop bombs, making sure t...
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d4de1d5593384d1c9da3ad9edc4e5d1d90c06cd6406df0b38b810f0f9feca4a9
Coding
codecontest
Write Python code to solve the task. Slava plays his favorite game "Peace Lightning". Now he is flying a bomber on a very specific map. Formally, map is a checkered field of size 1 × n, the cells of which are numbered from 1 to n, in each cell there can be one or several tanks. Slava doesn't know the number of tanks a...
Step 1: To solve this problem, we need to find the minimum number of bombs needed to destroy all tanks on the map. Step 2: We should note that tanks can move to neighboring cells after taking damage, and they are considered destroyed after the second hit. Step 3: We need to come up with a strategy to minimize the nu...
c99feaab5b53349dcc1d0c18b2cd53a3868ed12ff48dc95cb360daee78d3e1ef_1_1
d4de1d5593384d1c9da3ad9edc4e5d1d90c06cd6406df0b38b810f0f9feca4a9
Coding
codecontest
Write Python code to solve the task. Slava plays his favorite game "Peace Lightning". Now he is flying a bomber on a very specific map. Formally, map is a checkered field of size 1 × n, the cells of which are numbered from 1 to n, in each cell there can be one or several tanks. Slava doesn't know the number of tanks a...
Step 1: To solve this problem, we need to find a systematic way to destroy all the tanks using the fewest number of bombs. Step 2: We can start by determining the pattern of cell locations where the tanks are located and plan our bomb drops accordingly. Step 3: We should consider using a strategy that allows the tan...
b7e25ef386864dabf5be1084de5bd3e17ee5574c092f87066475a8ae9f4484fe_1_1
d4de1d5593384d1c9da3ad9edc4e5d1d90c06cd6406df0b38b810f0f9feca4a9
Coding
codecontest
Write Python code to solve the task. After Joeffrey chocked to death, Cercei blamed Tyrian for his death. After seeing his love, Shae betrayed him, he demanded trial by combat. Now this combat is not with swords but with logic and problem solving. Tywin will ask Tyrian questions and he have to answer them correctly. Ty...
Step 1: The problem requires a simulation of the changes in the sitting and standing order of the lannisters over a given number of hours following a specific rule. Step 2: We need to iterate through each hour and update the sitting and standing order of the lannisters according to the rule provided. Step 3: We also...
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9841ee3a6025fd2d7dbd9f2febc1924859185644a6e86b1ab955eaa704d44046
Coding
codecontest
Write Python code to solve the task. After Joeffrey chocked to death, Cercei blamed Tyrian for his death. After seeing his love, Shae betrayed him, he demanded trial by combat. Now this combat is not with swords but with logic and problem solving. Tywin will ask Tyrian questions and he have to answer them correctly. Ty...
Step 1: The question describes a rule for lannisters to change their sitting or standing position based on whether their neighbors are sitting or standing. Step 2: We need to identify the sitting and standing order of the lannisters after a given number of hours based on the given rule. Step 3: To solve this problem...
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9841ee3a6025fd2d7dbd9f2febc1924859185644a6e86b1ab955eaa704d44046
Coding
codecontest
Write Python code to solve the task. After Joeffrey chocked to death, Cercei blamed Tyrian for his death. After seeing his love, Shae betrayed him, he demanded trial by combat. Now this combat is not with swords but with logic and problem solving. Tywin will ask Tyrian questions and he have to answer them correctly. Ty...
Step 1: To solve the problem, we need to model the process described in the question using logic and iteration. The problem can be solved using a loop and conditional logic to determine which lannisters will be seated based on the neighbors' positions in the previous hour. We also need to keep track of the state of la...
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9841ee3a6025fd2d7dbd9f2febc1924859185644a6e86b1ab955eaa704d44046
Coding
codecontest
Write Python code to solve the task. After Joeffrey chocked to death, Cercei blamed Tyrian for his death. After seeing his love, Shae betrayed him, he demanded trial by combat. Now this combat is not with swords but with logic and problem solving. Tywin will ask Tyrian questions and he have to answer them correctly. Ty...
Step 1: To solve this problem, we need to simulate the sitting and standing order of the Lannisters in each hour based on the rule provided. Step 2: We should create a loop that runs for the number of hours and applies the rule for each hour. Step 3: We need to keep track of the changes in the sitting and standing o...
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9841ee3a6025fd2d7dbd9f2febc1924859185644a6e86b1ab955eaa704d44046
Coding
codecontest
Write Python code to solve the task. Wherever the destination is, whoever we meet, let's render this song together. On a Cartesian coordinate plane lies a rectangular stage of size w × h, represented by a rectangle with corners (0, 0), (w, 0), (w, h) and (0, h). It can be seen that no collisions will happen before one...
Step 1: The problem requires us to simulate the movements of dancers on a rectangular stage until they stop (i.e., reach the border of the stage or collide with another dancer). Step 2: We need to keep track of the positions and movements of the dancers and decide the order in which they move to handle the eventual c...
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345600e35dd666a7a768271d20288626d72daae58fcbb32495c29b72237df398
Coding
codecontest
Write Python code to solve the task. Wherever the destination is, whoever we meet, let's render this song together. On a Cartesian coordinate plane lies a rectangular stage of size w × h, represented by a rectangle with corners (0, 0), (w, 0), (w, h) and (0, h). It can be seen that no collisions will happen before one...
Step 1: The problem requires us to simulate the movement of dancers on a rectangular stage and determine their stopping positions. Step 2: We can track the dancers by their groups and coordinates on the stage. We also need to consider the time period for each dancer to start moving. Step 3: Based on the choreography...
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345600e35dd666a7a768271d20288626d72daae58fcbb32495c29b72237df398
Coding
codecontest
Write Python code to solve the task. Wherever the destination is, whoever we meet, let's render this song together. On a Cartesian coordinate plane lies a rectangular stage of size w × h, represented by a rectangle with corners (0, 0), (w, 0), (w, h) and (0, h). It can be seen that no collisions will happen before one...
Step 1: Since the problem asks to simulate the motion of dancers on a rectangular stage, we need to create classes and data structures to represent the dancers and their positions. Step 2: We also need to handle the logic of dancers' movements and collisions. Step 3: After defining the classes and data structures, w...
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345600e35dd666a7a768271d20288626d72daae58fcbb32495c29b72237df398
Coding
codecontest
Write Python code to solve the task. Wherever the destination is, whoever we meet, let's render this song together. On a Cartesian coordinate plane lies a rectangular stage of size w × h, represented by a rectangle with corners (0, 0), (w, 0), (w, h) and (0, h). It can be seen that no collisions will happen before one...
Step 1: The solution first defines a Dancer class, which holds information about a dancer's group, position, and waiting time. Then it reads the input for the number of dancers, the width and height of the stage, and each dancer's details. It uses a dictionary to group dancers by their vertical position. Then it itera...
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345600e35dd666a7a768271d20288626d72daae58fcbb32495c29b72237df398
Coding
codecontest
Write Python code to solve the task. Vasya has a string s of length n consisting only of digits 0 and 1. Also he has an array a of length n. Vasya performs the following operation until the string becomes empty: choose some consecutive substring of equal characters, erase it from the string and glue together the rema...
Step 1: The problem involves maximizing the total points Vasya can get by erasing consecutive substrings of equal characters from a given string and adding the points obtained for erasing each substring. Step 2: We need to determine the optimal way to remove a group of i of the same characters, calculate the score, a...
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f5d883919799c4c7bbcbe7ede127de56db5ec642dd77523a64bcf637620e6d29
Coding
codecontest
Write Python code to solve the task. Vasya has a string s of length n consisting only of digits 0 and 1. Also he has an array a of length n. Vasya performs the following operation until the string becomes empty: choose some consecutive substring of equal characters, erase it from the string and glue together the rema...
Step 1: To solve this problem, we need to devise a strategy to maximize the total points by erasing substrings from the given string. Step 2: We will use dynamic programming to determine the optimal way to remove a group of consecutive characters from the string, considering the points associated with each length of ...
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f5d883919799c4c7bbcbe7ede127de56db5ec642dd77523a64bcf637620e6d29
Coding
codecontest
Write Python code to solve the task. Vasya has a string s of length n consisting only of digits 0 and 1. Also he has an array a of length n. Vasya performs the following operation until the string becomes empty: choose some consecutive substring of equal characters, erase it from the string and glue together the rema...
Step 1: The problem involves finding the optimal way to remove a group of consecutive characters from a given string to maximize points. Step 2: We can start by parsing the input to get the length of the string, the string itself, and the points for erasing substrings of different lengths. Step 3: Then, we can use d...
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f5d883919799c4c7bbcbe7ede127de56db5ec642dd77523a64bcf637620e6d29
Coding
codecontest
Write Python code to solve the task. Vasya has a string s of length n consisting only of digits 0 and 1. Also he has an array a of length n. Vasya performs the following operation until the string becomes empty: choose some consecutive substring of equal characters, erase it from the string and glue together the rema...
Step 1: The problem requires finding the optimal way to remove a group of consecutive characters in a string to maximize the total points. Step 2: We can start by defining a recursive function to calculate the total points for erasing substrings. Step 3: This function should consider every possible substring of equa...
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f5d883919799c4c7bbcbe7ede127de56db5ec642dd77523a64bcf637620e6d29
Coding
codecontest
Write Python code to solve the task. Galya is playing one-dimensional Sea Battle on a 1 × n grid. In this game a ships are placed on the grid. Each of the ships consists of b consecutive cells. No cell can be part of two ships, however, the ships can touch each other. Galya doesn't know the ships location. She can sho...
Step 1: The problem requires us to find the minimum number of cells that Galya needs to shoot at in order to hit at least one ship. Step 2: We can start by iterating through the cells where Galya has already made shots and calculate the remaining cells where she can shoot to hit a ship. Step 3: After that, we can re...
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793de7c98b726ba791f44598a2fd5027ad5aed5332af03a1d3bbb8529560f20d
Coding
codecontest
Write Python code to solve the task. Galya is playing one-dimensional Sea Battle on a 1 × n grid. In this game a ships are placed on the grid. Each of the ships consists of b consecutive cells. No cell can be part of two ships, however, the ships can touch each other. Galya doesn't know the ships location. She can sho...
Step 1: The goal is to identify the minimum number of cells Galya needs to shoot at to hit at least one ship. Step 2: We need to iterate through the grid and find consecutive cells with no shots and record their positions as the minimum number of cells and the shooting positions. Step 3: We then output the minimum n...
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793de7c98b726ba791f44598a2fd5027ad5aed5332af03a1d3bbb8529560f20d
Coding
codecontest
Write Python code to solve the task. Galya is playing one-dimensional Sea Battle on a 1 × n grid. In this game a ships are placed on the grid. Each of the ships consists of b consecutive cells. No cell can be part of two ships, however, the ships can touch each other. Galya doesn't know the ships location. She can sho...
Step 1: The goal is to calculate the minimum number of cells for Galya to shoot in order to hit at least one ship. We also need to determine which cells Galya should shoot at. To solve this, we need to check consecutive cells and count them as a ship if the cell is '0' and if it reaches the length of a ship. In this c...
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793de7c98b726ba791f44598a2fd5027ad5aed5332af03a1d3bbb8529560f20d
Coding
codecontest
Write Python code to solve the task. Galya is playing one-dimensional Sea Battle on a 1 × n grid. In this game a ships are placed on the grid. Each of the ships consists of b consecutive cells. No cell can be part of two ships, however, the ships can touch each other. Galya doesn't know the ships location. She can sho...
Step 1: To solve this problem, we need to identify the minimum number of cells that Galya needs to shoot at in order to hit at least one ship. Step 2: We can iterate through the cells of the grid and use the information about the shots Galya has already made to determine the cells she should shoot at. Step 3: We nee...
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793de7c98b726ba791f44598a2fd5027ad5aed5332af03a1d3bbb8529560f20d
Coding
codecontest
Write Python code to solve the task. There are n cities in the country where the Old Peykan lives. These cities are located on a straight line, we'll denote them from left to right as c1, c2, ..., cn. The Old Peykan wants to travel from city c1 to cn using roads. There are (n - 1) one way roads, the i-th road goes from...
Step 1: To solve this problem, we need to consider the fuel consumption and refueling process for each city as the Old Peykan travels from the first city to the last city. Step 2: We can calculate the total time required for the journey by considering the fuel consumption and refueling process at each city. Step 3: ...
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45b1d10719d50bd32e1f294d1bd5861f173d44f94b7a3dc24c29dccb811174a3
Coding
codecontest
Write Python code to solve the task. There are n cities in the country where the Old Peykan lives. These cities are located on a straight line, we'll denote them from left to right as c1, c2, ..., cn. The Old Peykan wants to travel from city c1 to cn using roads. There are (n - 1) one way roads, the i-th road goes from...
Step 1: To determine the minimum time required for the Old Peykan to travel from city c1 to cn, we need to consider the fuel supply and refueling time at each city. Step 2: We can calculate the time it takes for the Old Peykan to pass between each city and account for the time spent refueling. Step 3: We will track ...
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45b1d10719d50bd32e1f294d1bd5861f173d44f94b7a3dc24c29dccb811174a3
Coding
codecontest
Write Python code to solve the task. There are n cities in the country where the Old Peykan lives. These cities are located on a straight line, we'll denote them from left to right as c1, c2, ..., cn. The Old Peykan wants to travel from city c1 to cn using roads. There are (n - 1) one way roads, the i-th road goes from...
Step 1: The problem requires us to find the minimum time required for the Old Peykan to reach the last city cn from city c1, given some initial fuel supplies and time delays for the fuel supplies to refresh. Step 2: We can start by reading the input value and initializing a few variables to store the fuel, time, and ...
6ce5f993a455a2ac1edd1257bf2cb4c5d9ed5e3a63afdd15c39a901bbe411e47_1_1
45b1d10719d50bd32e1f294d1bd5861f173d44f94b7a3dc24c29dccb811174a3
Coding
codecontest
Write Python code to solve the task. There are n cities in the country where the Old Peykan lives. These cities are located on a straight line, we'll denote them from left to right as c1, c2, ..., cn. The Old Peykan wants to travel from city c1 to cn using roads. There are (n - 1) one way roads, the i-th road goes from...
Step 1: To solve this problem, we need to consider the fuel consumption and supply at each city as the Old Peykan travels. Step 2: We will calculate the time needed to reach each city, taking into account the fuel consumption and refilling at each city. Step 3: The total time will be the sum of the time needed to ...
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45b1d10719d50bd32e1f294d1bd5861f173d44f94b7a3dc24c29dccb811174a3
Coding
codecontest
Write Python code to solve the task. In the probability theory the following paradox called Benford's law is known: "In many lists of random numbers taken from real sources, numbers starting with digit 1 occur much more often than numbers starting with any other digit" (that's the simplest form of the law). Having rea...
Step 1: The problem requires finding the probability that the first digits of at least K% of the values will be equal to one. Step 2: To solve this problem, we need to compute the probability of the first digit of a given random variable being equal to one. Step 3: Then we need to calculate the required probability ...
bbf0c9ded620bd369b919dedeb844e034f8bb6fdb85209224f2f1b8909dddb65_1_1
6b8a89af968fb40de961bea8019960c0458790beacafa28656c69e1c2afc59cd
Coding
codecontest
Write Python code to solve the task. In the probability theory the following paradox called Benford's law is known: "In many lists of random numbers taken from real sources, numbers starting with digit 1 occur much more often than numbers starting with any other digit" (that's the simplest form of the law). Having rea...
Step 1: Given the descriptions of the random variables and a percentage K, we want to calculate the probability that at least K% of the values will have a first digit of 1 when their MSD is considered. Step 2: To achieve this, we need to calculate the possible range of first digits for each random variable. Step 3: ...
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6b8a89af968fb40de961bea8019960c0458790beacafa28656c69e1c2afc59cd
Coding
codecontest
Write Python code to solve the task. In the probability theory the following paradox called Benford's law is known: "In many lists of random numbers taken from real sources, numbers starting with digit 1 occur much more often than numbers starting with any other digit" (that's the simplest form of the law). Having rea...
Step 1: The problem requires calculating the probability that the first digits of at least K% of the random variables will be equal to one. Step 2: To solve this, we need to calculate the cumulative probability for each random variable and combine them to find the total probability of the set being "good". Step 3: ...
5cb3cf685ffed6650fba5923e90039b29409ccf31bd8aa1fb05c4c5baeff1d62_1_1
6b8a89af968fb40de961bea8019960c0458790beacafa28656c69e1c2afc59cd
Coding
codecontest
Write Python code to solve the task. In the probability theory the following paradox called Benford's law is known: "In many lists of random numbers taken from real sources, numbers starting with digit 1 occur much more often than numbers starting with any other digit" (that's the simplest form of the law). Having rea...
Step 1: The problem involves calculating probabilities based on a set of random variables that can take any integer value from a given segment. Step 2: We need to understand how to calculate the probability of at least K% of the first digits of the set of random variables being equal to 1. Step 3: We can start by de...
32be43c31cb04277c6eed00b65c87bd711bca87f1344a0076d8a3eef3cdec248_1_1
6b8a89af968fb40de961bea8019960c0458790beacafa28656c69e1c2afc59cd
Coding
codecontest
Write Python code to solve the task. You are given an array a consisting of n integers. You can perform the following operations arbitrary number of times (possibly, zero): 1. Choose a pair of indices (i, j) such that |i-j|=1 (indices i and j are adjacent) and set a_i := a_i + |a_i - a_j|; 2. Choose a pair of ind...
Step 1: This problem requires first obtaining an array of equal elements and print the order of operations to do it. Step 2: We can start by analyzing the given operations and determining the minimum number of operations required to obtain the array of equal elements. Step 3: Then, we can implement the logic to perf...
d065e860bea4b01a0de9df61332bb61c54af0a4f35370ec732d0ca7b9f3ce98b_1_1
8054be396b223e345139fadfadad748059bc17fd2cfc79ef562149039ae43a0a
Coding
codecontest
Write Python code to solve the task. You are given an array a consisting of n integers. You can perform the following operations arbitrary number of times (possibly, zero): 1. Choose a pair of indices (i, j) such that |i-j|=1 (indices i and j are adjacent) and set a_i := a_i + |a_i - a_j|; 2. Choose a pair of ind...
Step 1: The problem is to find the minimum number of operations required to make all the elements of the array equal. Step 2: We can solve this problem by iterating through the array and checking adjacent element pairs. Step 3: If the adjacent elements are not equal, we can perform the corresponding operation (addi...
244dadebe042edfbebbb80a081a88f0e11f53f3bf118123e4910858a63141215_1_1
8054be396b223e345139fadfadad748059bc17fd2cfc79ef562149039ae43a0a
Coding
codecontest
Write Python code to solve the task. You are given an array a consisting of n integers. You can perform the following operations arbitrary number of times (possibly, zero): 1. Choose a pair of indices (i, j) such that |i-j|=1 (indices i and j are adjacent) and set a_i := a_i + |a_i - a_j|; 2. Choose a pair of ind...
Step 1: The problem involves finding the minimum number of operations required to obtain an array of equal elements. We need to iterate through the array to determine the required modifications. Step 2: We should keep track of the number of occurrences of each distinct value in the array. This information may help us...
df406783ffc69f9c03f4fb0e62d4f31a5d0e4dd32e17c59375bbb976daae4ed6_1_1
8054be396b223e345139fadfadad748059bc17fd2cfc79ef562149039ae43a0a
Coding
codecontest
Write Python code to solve the task. You are given an array a consisting of n integers. You can perform the following operations arbitrary number of times (possibly, zero): 1. Choose a pair of indices (i, j) such that |i-j|=1 (indices i and j are adjacent) and set a_i := a_i + |a_i - a_j|; 2. Choose a pair of ind...
Step 1: To solve this problem, we need to find the minimum number of operations required to make all elements of the array equal. Step 2: We also need to print the order of operations for this. Step 3: We can approach this problem in several steps: Step 4: First, we can count the frequency of each element in the ...
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8054be396b223e345139fadfadad748059bc17fd2cfc79ef562149039ae43a0a
Coding
codecontest
Write Python code to solve the task. Nura wants to buy k gadgets. She has only s burles for that. She can buy each gadget for dollars or for pounds. So each gadget is selling only for some type of currency. The type of currency and the cost in that currency are not changing. Nura can buy gadgets for n days. For each d...
Step 1: The problem statement suggests that we can minimize the index of the day when Nura will have k gadgets by using a binary search. Step 2: This task has a lot of variables to consider, including the exchange rates, the cost of gadgets, and the number of gadgets Nura needs to buy. Step 3: We can use binary sear...
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8c3135f7f3ca9534e78114ea40c7b574178ac0c8a0a9dbe868820773563ac096
Coding
codecontest
Write Python code to solve the task. Nura wants to buy k gadgets. She has only s burles for that. She can buy each gadget for dollars or for pounds. So each gadget is selling only for some type of currency. The type of currency and the cost in that currency are not changing. Nura can buy gadgets for n days. For each d...
Step 1: The problem seems to involve finding the minimum day index when Nura will have k gadgets, given the number of days, the total number, and the required number of gadgets, as well as the number of burles Nura has. Step 2: The first step is to read the input values and store them in appropriate variables for fur...
f8824cf18e17008b54b2e9a9ee79e9c0537ec4ea499db30799fcaf2d0105a4b0_1_1
8c3135f7f3ca9534e78114ea40c7b574178ac0c8a0a9dbe868820773563ac096
Coding
codecontest
Write Python code to solve the task. Nura wants to buy k gadgets. She has only s burles for that. She can buy each gadget for dollars or for pounds. So each gadget is selling only for some type of currency. The type of currency and the cost in that currency are not changing. Nura can buy gadgets for n days. For each d...
Step 1: The problem describes a situation where multiple gadgets are available for sale on different days, and each gadget can only be bought once over a few days. Step 2: The condition for acquiring a gadget is that it has to be converted to euros and the total cost of purchasing k gadgets must not exceed the total ...
05c65d563df183ac70e3008acbe19cbd727e92c2e4d8b1027212cd9c9a732db4_1_1
8c3135f7f3ca9534e78114ea40c7b574178ac0c8a0a9dbe868820773563ac096
Coding
codecontest
Write Python code to solve the task. Nura wants to buy k gadgets. She has only s burles for that. She can buy each gadget for dollars or for pounds. So each gadget is selling only for some type of currency. The type of currency and the cost in that currency are not changing. Nura can buy gadgets for n days. For each d...
Step 1: The problem requires us to minimize the day index when Nura will have k gadgets, taking into account exchange rates and budget constraints. Step 2: We need to keep track of the number of gadgets purchased, their types, and the cost, and then use comparison criteria to order the indices and determine the minim...
5b99d49fb8bd4e1d04d9a6a49a58ee12e93d6e716eb28e84a9342fe89f65e200_1_1
8c3135f7f3ca9534e78114ea40c7b574178ac0c8a0a9dbe868820773563ac096
Coding
codecontest
Write Python code to solve the task. You are given an integer m as a product of integers a1, a2, ... an <image>. Your task is to find the number of distinct decompositions of number m into the product of n ordered positive integers. Decomposition into n products, given in the input, must also be considered in the answ...
Step 1: The problem requires us to calculate the number of distinct decompositions of the given number m into the product of n ordered positive integers. Step 2: To solve this problem, we have to find a way to calculate the number of distinct decompositions modulo 1000000007 (109 + 7). Step 3: We are given a positiv...
6d9ef9a69d778b2b10b7121019e7e6d641b8f99aebef7674c907869ad893b109_1_1
29033e614d56624f6b58c9cd441ef8736ba1afdf37dc66c474dea3fed95df381
Coding
codecontest
Write Python code to solve the task. You are given an integer m as a product of integers a1, a2, ... an <image>. Your task is to find the number of distinct decompositions of number m into the product of n ordered positive integers. Decomposition into n products, given in the input, must also be considered in the answ...
Step 1: The problem requires finding the number of distinct decompositions of a number m into n ordered positive integers and printing the result modulo 10^9 + 7. Step 2: To solve this problem, we need to calculate the number of distinct ordered integer compositions of the number m by utilizing prime factorization an...
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29033e614d56624f6b58c9cd441ef8736ba1afdf37dc66c474dea3fed95df381
Coding
codecontest
Write Python code to solve the task. You are given an integer m as a product of integers a1, a2, ... an <image>. Your task is to find the number of distinct decompositions of number m into the product of n ordered positive integers. Decomposition into n products, given in the input, must also be considered in the answ...
Step 1: This code aims to count the number of distinct decompositions of a number m into the product of n ordered positive integers. Step 2: The main function reads the input values, calculates the prime factors of the given integers, and then uses combinatorics to calculate the distinct decompositions. Step 3: It u...
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29033e614d56624f6b58c9cd441ef8736ba1afdf37dc66c474dea3fed95df381
Coding
codecontest
Write Python code to solve the task. You are given an integer m as a product of integers a1, a2, ... an <image>. Your task is to find the number of distinct decompositions of number m into the product of n ordered positive integers. Decomposition into n products, given in the input, must also be considered in the answ...
Step 1: The problem is asking us to calculate the number of distinct decompositions of a number into the product of n ordered positive integers. Step 2: We can solve this problem by using prime factorization to find the factors of the number and then applying combinatorial math to find the distinct decompositions. ...
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29033e614d56624f6b58c9cd441ef8736ba1afdf37dc66c474dea3fed95df381
Coding
codecontest
Write Python code to solve the task. On some square in the lowest row of a chessboard a stands a pawn. It has only two variants of moving: upwards and leftwards or upwards and rightwards. The pawn can choose from which square of the lowest row it can start its journey. On each square lay from 0 to 9 peas. The pawn want...
Step 1: The problem requires us to find the optimal path for the pawn to reach the uppermost row with the maximum number of peas that is divisible by k + 1. Step 2: We need to traverse the given chessboard from the lowest row to the uppermost row and maximize the number of peas collected considering the constraints. ...
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ed27038d68a942b69e8ba8ac8693f4cf96c7e07f846b24378f7a4c8fb926bfb0
Coding
codecontest
Write Python code to solve the task. On some square in the lowest row of a chessboard a stands a pawn. It has only two variants of moving: upwards and leftwards or upwards and rightwards. The pawn can choose from which square of the lowest row it can start its journey. On each square lay from 0 to 9 peas. The pawn want...
Step 1: To solve this problem, we need to find the optimal path for the pawn to collect the maximum number of peas. Step 2: We need to determine the maximum number of peas the pawn can collect such that the number of peas is divisible by k + 1. Step 3: To achieve this, we need to iterate through the chessboard and ...
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ed27038d68a942b69e8ba8ac8693f4cf96c7e07f846b24378f7a4c8fb926bfb0
Coding
codecontest
Write Python code to solve the task. On some square in the lowest row of a chessboard a stands a pawn. It has only two variants of moving: upwards and leftwards or upwards and rightwards. The pawn can choose from which square of the lowest row it can start its journey. On each square lay from 0 to 9 peas. The pawn want...
Step 1: The problem involves calculating the maximum number of peas the pawn can collect on its journey from the lowest row to the highest row of a chessboard. Step 2: We need to consider the movement of the pawn, ensure that the total number of peas collected is divisible by k + 1, and return the maximum number of ...
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ed27038d68a942b69e8ba8ac8693f4cf96c7e07f846b24378f7a4c8fb926bfb0
Coding
codecontest
Write Python code to solve the task. On some square in the lowest row of a chessboard a stands a pawn. It has only two variants of moving: upwards and leftwards or upwards and rightwards. The pawn can choose from which square of the lowest row it can start its journey. On each square lay from 0 to 9 peas. The pawn want...
Step 1: The problem requires finding the maximal number of peas the pawn can collect if the number must be divisible by k + 1. Step 2: The problem also requires finding the journey consisting of moves to reach the highest row. Step 3: The given chessboard can be represented as a 2D array of integers. Step 4: An app...
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ed27038d68a942b69e8ba8ac8693f4cf96c7e07f846b24378f7a4c8fb926bfb0
Coding
codecontest
Write Python code to solve the task. Ken loves ken-ken-pa (Japanese version of hopscotch). Today, he will play it on a directed graph G. G consists of N vertices numbered 1 to N, and M edges. The i-th edge points from Vertex u_i to Vertex v_i. First, Ken stands on Vertex S. He wants to reach Vertex T by repeating ken-...
Step 1: To solve this problem, we need to determine if Ken can reach Vertex T from Vertex S by repeating ken-ken-pa, and if he can, find the minimum number of ken-ken-pa needed to reach Vertex T. Step 2: We can use a breadth-first search (BFS) algorithm to discover the minimum number of ken-ken-pa needed to reach Ve...
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800c76378e29465f8f93dda2d320184e2f6154edb74d9802631e2b160c74cf33
Coding
codecontest
Write Python code to solve the task. Ken loves ken-ken-pa (Japanese version of hopscotch). Today, he will play it on a directed graph G. G consists of N vertices numbered 1 to N, and M edges. The i-th edge points from Vertex u_i to Vertex v_i. First, Ken stands on Vertex S. He wants to reach Vertex T by repeating ken-...
Step 1: The problem requires determining if Ken can reach Vertex T by repeatedly following three edges, i.e., ken-ken-pa. Step 2: We can solve this problem using a graph traversal algorithm to explore the vertices reachable from the starting vertex S within the constraints of the ken-ken-pa repetition. Step 3: To f...
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800c76378e29465f8f93dda2d320184e2f6154edb74d9802631e2b160c74cf33
Coding
codecontest
Write Python code to solve the task. Ken loves ken-ken-pa (Japanese version of hopscotch). Today, he will play it on a directed graph G. G consists of N vertices numbered 1 to N, and M edges. The i-th edge points from Vertex u_i to Vertex v_i. First, Ken stands on Vertex S. He wants to reach Vertex T by repeating ken-...
Step 1: The problem requires us to determine if Ken can reach Vertex T from Vertex S by repeating ken-ken-pa and find the minimum number of ken-ken-pa needed to reach Vertex T. Step 2: To solve this problem, we need to implement an algorithm to traverse the graph, considering the constraints of repeating ken-ken-pa. ...
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800c76378e29465f8f93dda2d320184e2f6154edb74d9802631e2b160c74cf33
Coding
codecontest
Write Python code to solve the task. Ken loves ken-ken-pa (Japanese version of hopscotch). Today, he will play it on a directed graph G. G consists of N vertices numbered 1 to N, and M edges. The i-th edge points from Vertex u_i to Vertex v_i. First, Ken stands on Vertex S. He wants to reach Vertex T by repeating ken-...
Step 1: This problem involves using a depth-first search or breadth-first search algorithm to traverse a directed graph and find the minimum number of steps to reach a target vertex from a starting vertex. Step 2: We should start by implementing a function to represent the graph and the ken-ken-pa traversal process. ...
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800c76378e29465f8f93dda2d320184e2f6154edb74d9802631e2b160c74cf33
Coding
codecontest
Write Python code to solve the task. Little Vasya had n boxes with balls in the room. The boxes stood in a row and were numbered with numbers from 1 to n from left to right. Once Vasya chose one of the boxes, let's assume that its number is i, took all balls out from it (it is guaranteed that this box originally had a...
Step 1: The problem involves a process that redistributes balls across boxes based on a starting point. We need to understand the sequence of ball distribution to determine the original arrangement of balls. Step 2: We also need to consider the minimum number of balls in the boxes to find the starting position and th...
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773538c745133d0a43cb7efe5a7386dae6fce18b02fc9339e89b3b634e63817e
Coding
codecontest
Write Python code to solve the task. Little Vasya had n boxes with balls in the room. The boxes stood in a row and were numbered with numbers from 1 to n from left to right. Once Vasya chose one of the boxes, let's assume that its number is i, took all balls out from it (it is guaranteed that this box originally had a...
Step 1: The problem requires us to find the initial arrangement of balls in the boxes based on the final arrangement and the box number where Vasya put the last ball. Step 2: We are given the number of boxes, the index of the box that received the last ball, and the final number of balls in each box. Step 3: The pro...
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773538c745133d0a43cb7efe5a7386dae6fce18b02fc9339e89b3b634e63817e
Coding
codecontest
Write Python code to solve the task. Little Vasya had n boxes with balls in the room. The boxes stood in a row and were numbered with numbers from 1 to n from left to right. Once Vasya chose one of the boxes, let's assume that its number is i, took all balls out from it (it is guaranteed that this box originally had a...
Step 1: We need to find the initial arrangement of the balls in the boxes. We are given the current arrangement of the balls and the number of the box where the last ball was placed. We need to reverse the process to find the initial arrangement. To achieve this, we should iterate through the boxes, starting from the ...
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773538c745133d0a43cb7efe5a7386dae6fce18b02fc9339e89b3b634e63817e
Coding
codecontest
Write Python code to solve the task. Little Vasya had n boxes with balls in the room. The boxes stood in a row and were numbered with numbers from 1 to n from left to right. Once Vasya chose one of the boxes, let's assume that its number is i, took all balls out from it (it is guaranteed that this box originally had a...
Step 1: To solve this problem, we need to find the original arrangement of balls in the boxes by simulating Vasya's actions. Step 2: Start by reading the input values for the number of boxes, the index of the box where the last ball was put, and the number of balls in each box after Vasya completes all the actions. ...
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773538c745133d0a43cb7efe5a7386dae6fce18b02fc9339e89b3b634e63817e
Coding
codecontest
Write Python code to solve the task. Little Vasya had n boxes with balls in the room. The boxes stood in a row and were numbered with numbers from 1 to n from left to right. Once Vasya chose one of the boxes, let's assume that its number is i, took all balls out from it (it is guaranteed that this box originally had a...
Step 1: To solve this problem, we need to understand the process Vasya is following when redistributing the balls. He starts with a box, takes out all the balls from it, and then starts adding the balls to the subsequent boxes. Step 2: The process wraps around if he reaches the last box and continues until he has no...
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773538c745133d0a43cb7efe5a7386dae6fce18b02fc9339e89b3b634e63817e
Coding
codecontest
Write Python code to solve the task. Have you ever tried to explain to the coordinator, why it is eight hours to the contest and not a single problem has been prepared yet? Misha had. And this time he has a really strong excuse: he faced a space-time paradox! Space and time replaced each other. The entire universe tur...
Step 1: The task is to determine whether Misha can move from t1 to t2 on the clock face without stepping over the clock hands. Step 2: We can start by organizing the input data and adjusting the position of t1 and t2 to the clock face with distances. Step 3: Then, we'll calculate the movement of t1 and t2 and check ...
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18eddcf383916e1b72b1ee237ecb9645943918ad2e5cfd55e9fa726c608bac91
Coding
codecontest
Write Python code to solve the task. Have you ever tried to explain to the coordinator, why it is eight hours to the contest and not a single problem has been prepared yet? Misha had. And this time he has a really strong excuse: he faced a space-time paradox! Space and time replaced each other. The entire universe tur...
Step 1: The problem requires determining whether Misha can move from position t1 to position t2 on a clock face, given the positions of the clock's hands. Step 2: To solve this problem, we should convert the time values into positions on the clock face and compare the positions of t1 and t2 to determine if Misha can ...
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18eddcf383916e1b72b1ee237ecb9645943918ad2e5cfd55e9fa726c608bac91
Coding
codecontest
Write Python code to solve the task. Have you ever tried to explain to the coordinator, why it is eight hours to the contest and not a single problem has been prepared yet? Misha had. And this time he has a really strong excuse: he faced a space-time paradox! Space and time replaced each other. The entire universe tur...
Step 1: The problem is to determine if Misha can prepare the contest on time based on the positions of the clock hands and t1 and t2. Step 2: We can start by calculating the position of each hand on the clock face as a fraction of the entire clock. Step 3: Then, we'll compare the positions of t1 and t2 to determine ...
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18eddcf383916e1b72b1ee237ecb9645943918ad2e5cfd55e9fa726c608bac91
Coding
codecontest
Write Python code to solve the task. Have you ever tried to explain to the coordinator, why it is eight hours to the contest and not a single problem has been prepared yet? Misha had. And this time he has a really strong excuse: he faced a space-time paradox! Space and time replaced each other. The entire universe tur...
Step 1: The problem requires checking if Misha can move from the starting time to the target time by considering the positions of the hands on the clock. Step 2: We need to consider the relative positions of the starting and ending times on the clock face, along with the clockwise or anticlockwise direction of moveme...
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18eddcf383916e1b72b1ee237ecb9645943918ad2e5cfd55e9fa726c608bac91
Coding
codecontest
Write Python code to solve the task. Limak is a little bear who loves to play. Today he is playing by destroying block towers. He built n towers in a row. The i-th tower is made of hi identical blocks. For clarification see picture for the first sample. Limak will repeat the following operation till everything is dest...
Step 1: To solve this problem, we need to find a way to keep track of the number of operations needed to destroy all towers. Step 2: We can use dynamic programming to solve this problem, where we calculate and store the time needed to destroy each tower. Step 3: We can then use the calculated times to determine the ...
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d6e8ea8b0ba3f28bca8241d7017c4235b174d653502a2711ec7aa49b3d2938eb
Coding
codecontest
Write Python code to solve the task. Limak is a little bear who loves to play. Today he is playing by destroying block towers. He built n towers in a row. The i-th tower is made of hi identical blocks. For clarification see picture for the first sample. Limak will repeat the following operation till everything is dest...
Step 1: To solve this problem, we need to find the number of operations needed to destroy all towers. Step 2: We can use a dynamic programming approach to calculate the time it takes for each tower to be destroyed. Step 3: We can then take the maximum time from the tower times to determine the total number of operat...
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d6e8ea8b0ba3f28bca8241d7017c4235b174d653502a2711ec7aa49b3d2938eb
Coding
codecontest
Write Python code to solve the task. Limak is a little bear who loves to play. Today he is playing by destroying block towers. He built n towers in a row. The i-th tower is made of hi identical blocks. For clarification see picture for the first sample. Limak will repeat the following operation till everything is dest...
Step 1: The task is to count the number of operations required to destroy all towers of blocks. We can start by understanding the rules for destroying blocks and then devise a strategy to count the number of operations required. Step 2: We can destroy boundary blocks at each step until all towers are destroyed. We sh...
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d6e8ea8b0ba3f28bca8241d7017c4235b174d653502a2711ec7aa49b3d2938eb
Coding
codecontest
Write Python code to solve the task. Limak is a little bear who loves to play. Today he is playing by destroying block towers. He built n towers in a row. The i-th tower is made of hi identical blocks. For clarification see picture for the first sample. Limak will repeat the following operation till everything is dest...
Step 1: The task is to count how many operations are needed for Limak to destroy all towers. Step 2: We want to find the number of operations needed to destroy all towers by considering the sizes of the towers and the number of blocks that are internal and boundary blocks. Step 3: We'll iterate through the towers an...
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d6e8ea8b0ba3f28bca8241d7017c4235b174d653502a2711ec7aa49b3d2938eb
Coding
codecontest
Write Python code to solve the task. You are responsible for installing a gas pipeline along a road. Let's consider the road (for simplicity) as a segment [0, n] on OX axis. The road can have several crossroads, but for simplicity, we'll denote each crossroad as an interval (x, x + 1) with integer x. So we can represen...
Step 1: The function mincost takes three parameters: a, b, and r. The 'a' represents the cost of one unit of the pipeline, the 'b' represents the cost of one unit of the pillar, and 'r' represents the description of the road. Step 2: The function calculates the minimum possible cost of constructing the pipeline while...
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0bc8730ae79fe8f40833335087d7bd40ffc54756f1fa458a0a861c7a2db2e174
Coding
codecontest
Write Python code to solve the task. You are responsible for installing a gas pipeline along a road. Let's consider the road (for simplicity) as a segment [0, n] on OX axis. The road can have several crossroads, but for simplicity, we'll denote each crossroad as an interval (x, x + 1) with integer x. So we can represen...
Step 1: The problem requires us to find the optimal pipeline shape with minimum cost for each query. Step 2: We need to account for the pipeline cost, pillar cost, and elevation changes at crossroads while minimizing the overall cost. Step 3: To solve this problem, for each query, the most important step is to calc...
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0bc8730ae79fe8f40833335087d7bd40ffc54756f1fa458a0a861c7a2db2e174
Coding
codecontest
Write Python code to solve the task. You are responsible for installing a gas pipeline along a road. Let's consider the road (for simplicity) as a segment [0, n] on OX axis. The road can have several crossroads, but for simplicity, we'll denote each crossroad as an interval (x, x + 1) with integer x. So we can represen...
Step 1: To solve this problem, we need to minimize the cost of constructing the pipeline by considering different options and calculating the cost for each option. Step 2: We need to analyze the input data to determine when to lift the pipeline to height 2, and decide the height and cost of the supporting pillars acc...
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0bc8730ae79fe8f40833335087d7bd40ffc54756f1fa458a0a861c7a2db2e174
Coding
codecontest
Write Python code to solve the task. You are responsible for installing a gas pipeline along a road. Let's consider the road (for simplicity) as a segment [0, n] on OX axis. The road can have several crossroads, but for simplicity, we'll denote each crossroad as an interval (x, x + 1) with integer x. So we can represen...
Step 1: The approach to this problem would be to use dynamic programming to determine the minimum cost of constructing the pipeline. Step 2: We would define a 2D array to track the minimum cost of constructing the pipeline on each segment of the road, considering the different possibilities of road segments and cross...
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0bc8730ae79fe8f40833335087d7bd40ffc54756f1fa458a0a861c7a2db2e174
Coding
codecontest
Write Python code to solve the task. Olya has got a directed non-weighted graph, consisting of n vertexes and m edges. We will consider that the graph vertexes are indexed from 1 to n in some manner. Then for any graph edge that goes from vertex v to vertex u the following inequation holds: v < u. Now Olya wonders, ho...
Step 1: The task of this problem is to find the number of ways to add an arbitrary number of edges to the graph such that certain conditions are met. Step 2: We need to handle the input of graph properties such as the vertexes, edges, edge description, the shortest distance between vertex pairs, and how the edges are...
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3f0611cf7d00ecd113e7e47a26e1785ee31862e381c35fbc027e1dca77c95473
Coding
codecontest
Write Python code to solve the task. Olya has got a directed non-weighted graph, consisting of n vertexes and m edges. We will consider that the graph vertexes are indexed from 1 to n in some manner. Then for any graph edge that goes from vertex v to vertex u the following inequation holds: v < u. Now Olya wonders, ho...
Step 1: The main challenge in this problem is to understand how to add edges to the given directed graph in order to satisfy the given conditions. Step 2: We might need to calculate the number of pathways in the graph, but the number of vertices and edges is too large for brute force algorithms. Step 3: The problem ...
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3f0611cf7d00ecd113e7e47a26e1785ee31862e381c35fbc027e1dca77c95473
Coding
codecontest
Write Python code to solve the task. Olya has got a directed non-weighted graph, consisting of n vertexes and m edges. We will consider that the graph vertexes are indexed from 1 to n in some manner. Then for any graph edge that goes from vertex v to vertex u the following inequation holds: v < u. Now Olya wonders, ho...
Step 1: The objective is to find the number of ways to add an arbitrary number of edges to a given directed graph, satisfying specific conditions. The solution will involve processing the input graph and counting the number of ways the additional edges can be added according to the given conditions. The solution is pr...
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3f0611cf7d00ecd113e7e47a26e1785ee31862e381c35fbc027e1dca77c95473
Coding
codecontest
Write Python code to solve the task. Olya has got a directed non-weighted graph, consisting of n vertexes and m edges. We will consider that the graph vertexes are indexed from 1 to n in some manner. Then for any graph edge that goes from vertex v to vertex u the following inequation holds: v < u. Now Olya wonders, ho...
Step 1: The problem involves adding an arbitrary number of edges to a directed non-weighted graph in a way that fulfills the given conditions. Step 2: We need to calculate the number of ways to add the edges such that the specified shortest distances between pairs of vertices are satisfied. Step 3: To solve this pro...
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3f0611cf7d00ecd113e7e47a26e1785ee31862e381c35fbc027e1dca77c95473
Coding
codecontest
Write Python code to solve the task. Valera has array a, consisting of n integers a0, a1, ..., an - 1, and function f(x), taking an integer from 0 to 2n - 1 as its single argument. Value f(x) is calculated by formula <image>, where value bit(i) equals one if the binary representation of number x contains a 1 on the i-t...
Step 1: The function bits2int(bits) can be used to convert a list of bits to an integer using its binary representation. Step 2: We can store the input values and then modify or define the necessary variables for the calculations. Step 3: We can define the function f(x) to calculate the value according to the formul...
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f3172f01de0ac6eb740ad687089bef668fc81793c04a6a8424bc0c46dbb894ba
Coding
codecontest
Write Python code to solve the task. Valera has array a, consisting of n integers a0, a1, ..., an - 1, and function f(x), taking an integer from 0 to 2n - 1 as its single argument. Value f(x) is calculated by formula <image>, where value bit(i) equals one if the binary representation of number x contains a 1 on the i-t...
Step 1: The problem requires us to determine the maximum value of the function f(x) based on the given inputs n, a, and m. Step 2: To accomplish this, we can start by converting the binary representation of m to an integer. Step 3: Then we can initialize two arrays t and f with values based on array a and binary rep...
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