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 |
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Coding | codecontest | Write Python code to solve the task.
Ujan decided to make a new wooden roof for the house. He has n rectangular planks numbered from 1 to n. The i-th plank has size a_i × 1 (that is, the width is 1 and the height is a_i).
Now, Ujan wants to make a square roof. He will first choose some of the planks and place them sid... | Step 1: The problem requires finding the maximum possible side length of a square using a given set of planks.
Step 2: The maximum possible side length of the square can be obtained by considering the lengths of the planks and forming the square with the maximum possible dimensions.
Step 3: The planks can be sorted ... | 5393bde7c98fb51c884105200e922d809069a43a8414b39647deb616bf002551_1_1 | e5b9b641570a11572f79e07ad5a58597fc479020aab509bad28a44b1111d27c4 |
Coding | codecontest | Write Python code to solve the task.
<image>
Input
The input contains two integers a, b (1 ≤ a ≤ 10, 0 ≤ b ≤ 22·a - 1) separated by a single space.
Output
Output two integers separated by a single space.
Examples
Input
1 0
Output
0 0
Input
2 15
Output
3 0
Input
4 160
Output
12 12 | Step 1: The given problem seems to be performing some kind of mathematical computation based on the input values a and b.
Step 2: Looking at the code, it appears to be a recursive function that processes the input values and returns a new set of values based on some conditions.
Step 3: We need to analyze the recursi... | 46786c0d11730349b8f09266440451136580877da2c81ed3b6159571b9b430de_1_1 | 7294361d9f3487769b280ca549973ae57a6c2855715b5aa112195b5390fae3a3 |
Coding | codecontest | Write Python code to solve the task.
<image>
Input
The input contains two integers a, b (1 ≤ a ≤ 10, 0 ≤ b ≤ 22·a - 1) separated by a single space.
Output
Output two integers separated by a single space.
Examples
Input
1 0
Output
0 0
Input
2 15
Output
3 0
Input
4 160
Output
12 12 | Step 1: The given code computes the output values based on the input values a and b using a recursive function.
Step 2: The function returns a tuple of two values based on the computation of a and b.
Step 3: The input values a and b are then converted to integers for further processing.
Step 4: The function f(a, b)... | 072e6d61907e0940d8b3a6005169c079f4ac681b887fede30bf73eeab5a8ead3_1_1 | 7294361d9f3487769b280ca549973ae57a6c2855715b5aa112195b5390fae3a3 |
Coding | codecontest | Write Python code to solve the task.
<image>
Input
The input contains two integers a, b (1 ≤ a ≤ 10, 0 ≤ b ≤ 22·a - 1) separated by a single space.
Output
Output two integers separated by a single space.
Examples
Input
1 0
Output
0 0
Input
2 15
Output
3 0
Input
4 160
Output
12 12 | Step 1: The given function seems to implement a recursive algorithm to calculate the output based on the input integers a and b.
Step 2: The function uses a base case when a is 0, and the output is (0, 0).
Step 3: The size of the quadrant is calculated using the formula 1<<(n-1).
Step 4: The output coordinates are ... | 703b013cd9656420c2e28d3e969f4e8b12e4e059f34e90a504366285e1a163f6_1_1 | 7294361d9f3487769b280ca549973ae57a6c2855715b5aa112195b5390fae3a3 |
Coding | codecontest | Write Python code to solve the task.
Two players play a game. The game is played on a rectangular board with n × m squares. At the beginning of the game two different squares of the board have two chips. The first player's goal is to shift the chips to the same square. The second player aims to stop the first one with ... | Step 1: The problem involves determining the winner of a game played on a rectangular board with chips.
Step 2: The game is played by two players who move in turns, and players need to be played optimally to win.
Step 3: We can consider the different conditions under which the first player or the second player wins... | 119d7ffd7119fc97476b565f68790bf84a3e77287ebbc5d6673b5e30edb38a3a_1_1 | 0c64121dcc7aa635046203874d26221015aa1f8acce60434a64227f0442ebf00 |
Coding | codecontest | Write Python code to solve the task.
Two players play a game. The game is played on a rectangular board with n × m squares. At the beginning of the game two different squares of the board have two chips. The first player's goal is to shift the chips to the same square. The second player aims to stop the first one with ... | Step 1: The problem requires us to determine the winner of a game played on a rectangular board, given the board size and the initial positions of two chips.
Step 2: We need to implement a method to check the outcome of the game based on the optimal moves of both players.
Step 3: We will need to consider the chip p... | 8af2ab682c121d42828462b774e48402d134592870f88b53ef4c17780ce7c15a_1_1 | 0c64121dcc7aa635046203874d26221015aa1f8acce60434a64227f0442ebf00 |
Coding | codecontest | Write Python code to solve the task.
Two players play a game. The game is played on a rectangular board with n × m squares. At the beginning of the game two different squares of the board have two chips. The first player's goal is to shift the chips to the same square. The second player aims to stop the first one with ... | Step 1: To determine the winner of the game, we need to consider the positions of the chips and the board size.
Step 2: The first player's goal is to shift the chips to the same square. The second player aims to stop the first one with a tube of superglue.
Step 3: We can calculate the distances between the chips in ... | 80549c821d917d19743f1c42919d8d0cab08450f01e3e2dbb83c0c1ef72414b7_1_1 | 0c64121dcc7aa635046203874d26221015aa1f8acce60434a64227f0442ebf00 |
Coding | codecontest | Write Python code to solve the task.
You are given a string s consisting of lowercase English letters and a number k. Let's call a string consisting of lowercase English letters beautiful if the number of occurrences of each letter in that string is divisible by k. You are asked to find the lexicographically smallest b... | Step 1: To solve this problem, we need to find the lexicographically smallest beautiful string greater than or equal to the given string.
Step 2: We need to consider the number of occurrences of each letter in the string and ensure that it is divisible by k.
Step 3: We also need to consider the length of the string ... | ed08e3e3283a7c396ae8c4b432812dcb470fee37b4b4713b7e5223131ddd9c2d_1_1 | cc41749beec78a8156a1e417d26fedf92f18b2c816370cd5ff5a3b3ce74f9b46 |
Coding | codecontest | Write Python code to solve the task.
You are given a string s consisting of lowercase English letters and a number k. Let's call a string consisting of lowercase English letters beautiful if the number of occurrences of each letter in that string is divisible by k. You are asked to find the lexicographically smallest b... | Step 1: The problem asks us to find the lexicographically smallest beautiful string of length n, which is greater than or equal to string s.
Step 2: We need to implement a function that finds the lexicographically smallest beautiful string according to the given constraints.
Step 3: The function should take the leng... | 4e338e0f3be81714483c2090f661025f215c97482840c24627ea64b6c41678c4_1_1 | cc41749beec78a8156a1e417d26fedf92f18b2c816370cd5ff5a3b3ce74f9b46 |
Coding | codecontest | Write Python code to solve the task.
You are given a string s consisting of lowercase English letters and a number k. Let's call a string consisting of lowercase English letters beautiful if the number of occurrences of each letter in that string is divisible by k. You are asked to find the lexicographically smallest b... | Step 1: The problem requires generating a string that is lexicographically smallest, higher or equal to the given string, and beautiful.
Step 2: To solve this problem, we need to check if the given string is already beautiful. If it is beautiful, we output the string as the result.
Step 3: If the given string is not... | 64245bca9d3b107b75745164dbbcb641efc0ccb1ede1a40e24191eb29198fcf9_1_1 | cc41749beec78a8156a1e417d26fedf92f18b2c816370cd5ff5a3b3ce74f9b46 |
Coding | codecontest | Write Python code to solve the task.
Fibonacci number f(i) appear in a variety of puzzles in nature and math, including packing problems, family trees or Pythagorean triangles. They obey the rule f(i) = f(i - 1) + f(i - 2), where we set f(0) = 1 = f(-1).
Let V and d be two certain positive integers and be N ≡ 1001 a c... | Step 1: To solve this problem, we need to calculate the Fibonacci label for each node and then determine the number of connected subsets based on the given conditions.
Step 2: We can start by reading the input that defines the number of nodes V and the distance d.
Step 3: Then we can calculate the Fibonacci labels f... | 2675bf63bd4832f786f4b8c092da70fb60f79e83467078334e4309847928d080_1_1 | 57fe9ff0583104c0fdd3c728b11f429b5e9794b37fef5d6326d5f626d5b30d55 |
Coding | codecontest | Write Python code to solve the task.
Fibonacci number f(i) appear in a variety of puzzles in nature and math, including packing problems, family trees or Pythagorean triangles. They obey the rule f(i) = f(i - 1) + f(i - 2), where we set f(0) = 1 = f(-1).
Let V and d be two certain positive integers and be N ≡ 1001 a c... | Step 1: The problem requires us to find connected subsets of nodes based on the given Fibonacci labels and the distance between the labels.
Step 2: First, we need to calculate the Fibonacci label for each node using the formula f(i) = f(i - 1) + f(i - 2) and considering the modulo N.
Step 3: Then we need to sort the... | 58f5936d5f00ea514dd12f456a71bc9ed4a7224647c7da3602536d11c0b47284_1_1 | 57fe9ff0583104c0fdd3c728b11f429b5e9794b37fef5d6326d5f626d5b30d55 |
Coding | codecontest | Write Python code to solve the task.
Fibonacci number f(i) appear in a variety of puzzles in nature and math, including packing problems, family trees or Pythagorean triangles. They obey the rule f(i) = f(i - 1) + f(i - 2), where we set f(0) = 1 = f(-1).
Let V and d be two certain positive integers and be N ≡ 1001 a c... | Step 1: The problem asks for the number of connected subsets of nodes given certain positive integers V and d.
Step 2: We need to calculate the Fibonacci labels for each node using the Fibonacci sequence formula (f(i) = f(i - 1) + f(i - 2)).
Step 3: Then, we need to check for pairs of nodes where the difference betw... | 25a59636a699d7327794db2a0a951bb8556492d6dcc3a24c868d13d36d13013d_1_1 | 57fe9ff0583104c0fdd3c728b11f429b5e9794b37fef5d6326d5f626d5b30d55 |
Coding | codecontest | Write Python code to solve the task.
Phoenix has decided to become a scientist! He is currently investigating the growth of bacteria.
Initially, on day 1, there is one bacterium with mass 1.
Every day, some number of bacteria will split (possibly zero or all). When a bacterium of mass m splits, it becomes two bacteri... | Step 1: To solve this problem, we need to determine the minimum number of nights needed to achieve a total mass of n using the given bacteria splitting and mass increase rules.
Step 2: We can start by iterating through the mass increase and splitting operations, keeping track of the mass and the splitting decisions m... | f436767864e170eeadfdf3be46993a99e9dc69381418a190c93cc25506d8b944_1_1 | 8a30606f7aad494f03d48a00d33d7487fc306f20ca8bf7dbd7440720ee1bd54f |
Coding | codecontest | Write Python code to solve the task.
Phoenix has decided to become a scientist! He is currently investigating the growth of bacteria.
Initially, on day 1, there is one bacterium with mass 1.
Every day, some number of bacteria will split (possibly zero or all). When a bacterium of mass m splits, it becomes two bacteri... | Step 1: To solve this problem, we need to figure out the minimum number of nights needed and the number of bacteria that need to split on each day to achieve a specific total mass n.
Step 2: We'll start by taking input for the number of test cases and the sum of bacteria masses n.
Step 3: The next step is to calcula... | 4312b6b220bb3ace957b61d13178b03711a5f173929518a5194b1e5f7d0741d0_1_1 | 8a30606f7aad494f03d48a00d33d7487fc306f20ca8bf7dbd7440720ee1bd54f |
Coding | codecontest | Write Python code to solve the task.
Phoenix has decided to become a scientist! He is currently investigating the growth of bacteria.
Initially, on day 1, there is one bacterium with mass 1.
Every day, some number of bacteria will split (possibly zero or all). When a bacterium of mass m splits, it becomes two bacteri... | Step 1: The problem requires us to determine the minimum number of nights needed for bacteria to exactly achieve a certain total mass.
Step 2: To solve this, we need to iterate through each test case and identify the number of bacteria that should split on each day to reach the target mass while minimizing the number... | 8ada78d280f0513ad7425bdaf0e087af23ad5b174639d211a791ecc29c4f11c4_1_1 | 8a30606f7aad494f03d48a00d33d7487fc306f20ca8bf7dbd7440720ee1bd54f |
Coding | codecontest | Write Python code to solve the task.
Karafs is some kind of vegetable in shape of an 1 × h rectangle. Tavaspolis people love Karafs and they use Karafs in almost any kind of food. Tavas, himself, is crazy about Karafs.
<image>
Each Karafs has a positive integer height. Tavas has an infinite 1-based sequence of Karafs... | Step 1: The problem involves processing a series of queries, each of which involves determining the largest number r such that a certain condition is satisfied.
Step 2: The formula "si = A + (i - 1) × B" defines the height of each Karafs where "si" represents the i-th Karafs, A is the initial height, and B is a const... | 8a22d69c4f5a8f9d4c58cf0cb4a5152ee2baedd45a9d474bda67cc2cc90741ac_1_1 | d3e62921e36d40a336d961062264e74c2120dd722123aff89d971e7302027c7d |
Coding | codecontest | Write Python code to solve the task.
Karafs is some kind of vegetable in shape of an 1 × h rectangle. Tavaspolis people love Karafs and they use Karafs in almost any kind of food. Tavas, himself, is crazy about Karafs.
<image>
Each Karafs has a positive integer height. Tavas has an infinite 1-based sequence of Karafs... | Step 1: The problem involves queries about Karafs heights and bite operations.
Step 2: For each query, we need to find the largest number r within the given constraints of l, t, and m, or print -1 if there is no such number r.
Step 3: To solve each query, we can utilize binary search to efficiently find the larges... | 4914117baff4ed60ccb3ac23834d09de2d9e9e5b3791642f994119085b9c90e1_1_1 | d3e62921e36d40a336d961062264e74c2120dd722123aff89d971e7302027c7d |
Coding | codecontest | Write Python code to solve the task.
Karafs is some kind of vegetable in shape of an 1 × h rectangle. Tavaspolis people love Karafs and they use Karafs in almost any kind of food. Tavas, himself, is crazy about Karafs.
<image>
Each Karafs has a positive integer height. Tavas has an infinite 1-based sequence of Karafs... | Step 1: The first step is to understand the problem and the requirements for each query.
Step 2: We need to find the largest number r such that the sequence s-l, s-l + 1, ..., s-r can be eaten by performing m-bite no more than t times.
Step 3: To find r, we need to use a binary search algorithm to efficiently determ... | 75c52018df084eee2b837337cfa028fc7e62bb646131d59bd5d8f6594ace870d_1_1 | d3e62921e36d40a336d961062264e74c2120dd722123aff89d971e7302027c7d |
Coding | codecontest | Write Python code to solve the task.
Fox Ciel is playing a mobile puzzle game called "Two Dots". The basic levels are played on a board of size n × m cells, like this:
<image>
Each cell contains a dot that has some color. We will use different uppercase Latin characters to express different colors.
The key of this g... | Step 1: The problem is to determine if there exists a cycle of dots on the board with the same color. To solve this, we need to look for cycles of at least 4 dots with the same color and in adjacent cells.
Step 2: We can use a graph traversal algorithm to explore the board and look for cycles.
Step 3: We can iterate... | 179a452cdb340cec32edcd77fce7eb0de2494aa3ee5c6f65214657106d90dfd2_1_1 | 2ad1d61cabc9e6ba57671166577ab5abb78e2588551bf721a6fd1d27c0c58c4d |
Coding | codecontest | Write Python code to solve the task.
Fox Ciel is playing a mobile puzzle game called "Two Dots". The basic levels are played on a board of size n × m cells, like this:
<image>
Each cell contains a dot that has some color. We will use different uppercase Latin characters to express different colors.
The key of this g... | Step 1: The problem requires us to determine if there exists a cycle on the game board, where the cycle consists of dots of the same color that are adjacent to each other.
Step 2: To solve this problem, we can implement a depth-first search (DFS) algorithm to search for cycles of dots with the same color.
Step 3: We... | acb54e75a340d0b7f27a3e0a4f053ed17971c2521952300108f6f475c88268ea_1_1 | 2ad1d61cabc9e6ba57671166577ab5abb78e2588551bf721a6fd1d27c0c58c4d |
Coding | codecontest | Write Python code to solve the task.
Fox Ciel is playing a mobile puzzle game called "Two Dots". The basic levels are played on a board of size n × m cells, like this:
<image>
Each cell contains a dot that has some color. We will use different uppercase Latin characters to express different colors.
The key of this g... | Step 1: The problem is to determine if there exists a cycle of dots of the same color in the given board.
Step 2: We can create a function to perform depth-first search (DFS) on the board to find a cycle for each cell.
Step 3: If at any point in DFS, we revisit a cell that we have already been to, a cycle is detecte... | 98e17489bba68ad893d38cfbb6e9fb716b3ad146e8d4a106664db79461f3db5e_1_1 | 2ad1d61cabc9e6ba57671166577ab5abb78e2588551bf721a6fd1d27c0c58c4d |
Coding | codecontest | Write Python code to solve the task.
After Vitaly was expelled from the university, he became interested in the graph theory.
Vitaly especially liked the cycles of an odd length in which each vertex occurs at most once.
Vitaly was wondering how to solve the following problem. You are given an undirected graph consist... | Step 1: The problem involves identifying the minimum number of edges that must be added to a given graph in order to form a simple cycle of odd length, and finding the number of ways to add these edges.
Step 2: To solve this problem, we can use a depth-first search (DFS) algorithm to traverse the graph and identify t... | 0f26df6ea53218e147a3f46bd94d897bfba1c5aa7f924ebe7f4146eaebceda12_1_1 | 98bc440e1bdee757b06b55e7be10097a5aae73e23b9388d49ac633dbb8044459 |
Coding | codecontest | Write Python code to solve the task.
After Vitaly was expelled from the university, he became interested in the graph theory.
Vitaly especially liked the cycles of an odd length in which each vertex occurs at most once.
Vitaly was wondering how to solve the following problem. You are given an undirected graph consist... | Step 1: The problem is asking for the minimum number of edges that must be added to the given graph to form a simple cycle of an odd length, and also find the number of ways to add these edges.
Step 2: To solve this problem, we can use depth-first search (DFS) to explore the graph and find the cycles of unique vertic... | e5cea9412c04db07f3f13067c397d22d1fcbcd1a5f119f0803c1e36ebee8b378_1_1 | 98bc440e1bdee757b06b55e7be10097a5aae73e23b9388d49ac633dbb8044459 |
Coding | codecontest | Write Python code to solve the task.
After Vitaly was expelled from the university, he became interested in the graph theory.
Vitaly especially liked the cycles of an odd length in which each vertex occurs at most once.
Vitaly was wondering how to solve the following problem. You are given an undirected graph consist... | Step 1: The problem asks to find the minimum number of edges required to add to the given graph in order to form a simple cycle of an odd length, where each vertex occurs at most once.
Step 2: To solve this, we need to determine the number of edges that need to be added to form a cycle of an odd length, and also calc... | 8eeaca2163f389cc63aeb146d08a819eb4c8e7fb11b1dd540d74e75b6f03b34d_1_1 | 98bc440e1bdee757b06b55e7be10097a5aae73e23b9388d49ac633dbb8044459 |
Coding | codecontest | Write Python code to solve the task.
Andryusha goes through a park each day. The squares and paths between them look boring to Andryusha, so he decided to decorate them.
The park consists of n squares connected with (n - 1) bidirectional paths in such a way that any square is reachable from any other using these paths... | Step 1: The problem is asking to assign balloon colors to squares in such a way that adjacent squares have distinct colors.
Step 2: To solve this problem, we can represent the park as a graph where each square is a node and the paths between squares are edges.
Step 3: Then we can perform a traversal of the graph to ... | 6d000912999885c0f3f193a7e6d4213a4a2246a6867b9e5b5f9882962cf59b1c_1_1 | bc2491dfa75772fc95c85f39708fa8f086c57360eeb7e894606a04d092605aa8 |
Coding | codecontest | Write Python code to solve the task.
Andryusha goes through a park each day. The squares and paths between them look boring to Andryusha, so he decided to decorate them.
The park consists of n squares connected with (n - 1) bidirectional paths in such a way that any square is reachable from any other using these paths... | Step 1: This problem requires us to choose the minimum number of colors for coloring the balloons in Andryusha's park while satisfying the given conditions.
Step 2: We need to represent the park's structure as an undirected graph to determine the connected squares and their colors.
Step 3: We can use the breadth-fir... | b4ee559258b1ffc2b7e6cd942572f5391350ed3a45449b26349857158425405d_1_1 | bc2491dfa75772fc95c85f39708fa8f086c57360eeb7e894606a04d092605aa8 |
Coding | codecontest | Write Python code to solve the task.
Andryusha goes through a park each day. The squares and paths between them look boring to Andryusha, so he decided to decorate them.
The park consists of n squares connected with (n - 1) bidirectional paths in such a way that any square is reachable from any other using these paths... | Step 1: To solve this problem, we need to assign colors to each square in the park while meeting certain constraints.
Step 2: We can use a breadth-first search approach to find the minimum number of colors needed to satisfy the constraints.
Step 3: We'll keep track of the colors assigned to each square and ensure th... | 6b211eff4682d5a2fa13d2582a28d91b76acb35377b8de0a7cba2fd1ed8d60a1_1_1 | bc2491dfa75772fc95c85f39708fa8f086c57360eeb7e894606a04d092605aa8 |
Coding | codecontest | Write Python code to solve the task.
You are given an array a of n integers, where n is odd. You can make the following operation with it:
* Choose one of the elements of the array (for example a_i) and increase it by 1 (that is, replace it with a_i + 1).
You want to make the median of the array the largest poss... | Step 1: The problem requires finding the maximum possible median after performing at most k operations on an odd-sized array.
Step 2: We need to sort the array and determine the maximum median by incrementing elements within the constraints of k operations.
Step 3: We can start by sorting the input array and countin... | 04f96432470f1b79bf47a2f538623dcedfd5b72c93ded38312e9846d49d38f87_1_1 | 850a043cc8cfe820481df3a2870f1642a64e51c624fb3b9b086507533f974cc6 |
Coding | codecontest | Write Python code to solve the task.
You are given an array a of n integers, where n is odd. You can make the following operation with it:
* Choose one of the elements of the array (for example a_i) and increase it by 1 (that is, replace it with a_i + 1).
You want to make the median of the array the largest poss... | Step 1: The given solution seems to be using dynamic programming to solve the problem.
Step 2: It computes the incremental cost for increasing each element in the subarray containing the elements greater than the original median.
Step 3: Then, it uses binary search to find the number of elements that can be increase... | 21736a441041c984e0f3f95e1cc2bd93adf14da25ec9c67cca069f7195fd6fde_1_1 | 850a043cc8cfe820481df3a2870f1642a64e51c624fb3b9b086507533f974cc6 |
Coding | codecontest | Write Python code to solve the task.
You are given an array a of n integers, where n is odd. You can make the following operation with it:
* Choose one of the elements of the array (for example a_i) and increase it by 1 (that is, replace it with a_i + 1).
You want to make the median of the array the largest poss... | Step 1: The problem requires us to find the maximum possible median of an array after performing a certain number of operations.
Step 2: We can start by sorting the input array.
Step 3: After we have the sorted array, we identify the middle element to get the current median of the array.
Step 4: Next, we consider t... | 735550f29fd1f6639b416825b2b7bd8fa0d8d3fbfe272bcbdc14fcb90ae5596e_1_1 | 850a043cc8cfe820481df3a2870f1642a64e51c624fb3b9b086507533f974cc6 |
Coding | codecontest | Write Python code to solve the task.
Write a program that reads the coordinates of the vertices of a convex n-sided polygon (a polygon whose internal angles are less than 180 degrees, that is, a polygon that is not dented) and outputs its area. The vertices are named Vertex 1, Vertex 2, Vertex 3, ... Vertex n according... | Step 1: To calculate the area of a convex n-sided polygon, we need to use the formula for the area of a polygon in terms of its vertices.
Step 2: We can iterate through the vertices of the polygon and calculate the area of each triangle formed with the first vertex.
Step 3: We need to calculate the distance between ... | ac509b5af62b3512dfe227659eb6b888baa2f0ba7f813b0d6644921c3728f0ad_1_1 | 369589f63e5d3461ea184d783a852c3eca289485616cfdb64e37c8d7b7178ec6 |
Coding | codecontest | Write Python code to solve the task.
Write a program that reads the coordinates of the vertices of a convex n-sided polygon (a polygon whose internal angles are less than 180 degrees, that is, a polygon that is not dented) and outputs its area. The vertices are named Vertex 1, Vertex 2, Vertex 3, ... Vertex n according... | Step 1: The problem requires us to calculate the area of a convex n-sided polygon using the coordinates of its vertices.
Step 2: We can achieve this by implementing a program that reads the coordinates as input, calculates the area using the given formula, and outputs the result as a real number.
Step 3: It is impor... | 71d721348f2310a6ecd59f0af749bd57930d5ff893e487be3cff5745b72990e5_1_1 | 369589f63e5d3461ea184d783a852c3eca289485616cfdb64e37c8d7b7178ec6 |
Coding | codecontest | Write Python code to solve the task.
Write a program that reads the coordinates of the vertices of a convex n-sided polygon (a polygon whose internal angles are less than 180 degrees, that is, a polygon that is not dented) and outputs its area. The vertices are named Vertex 1, Vertex 2, Vertex 3, ... Vertex n according... | Step 1: To find the area of a convex polygon given its vertices, we can use the formula for finding the area of a polygon using its side lengths.
Step 2: We can start by reading the coordinates of the vertices of the polygon, calculating the lengths of the sides, and then apply the formula to find the area.
Step 3: ... | 59cab61f94cef22aefbc24eb63201b58ab0691ab1975e868c1a1f9cb49f29fdc_1_1 | 369589f63e5d3461ea184d783a852c3eca289485616cfdb64e37c8d7b7178ec6 |
Coding | codecontest | Write Python code to solve the task.
One day Vasya was going home when he saw a box lying on the road. The box can be represented as a rectangular parallelepiped. Vasya needed no time to realize that the box is special, as all its edges are parallel to the coordinate axes, one of its vertices is at point (0, 0, 0), and... | Step 1: The problem requires us to calculate the sum of numbers that Vasya sees when looking at the box from a particular point. We need to consider if Vasya is looking from a point lying on the plane of some face, he cannot see the number on that face.
Step 2: We also need to consider the coordinates of Vasya's posi... | 57df6314f6051844e285829ca9bdbe60676c958db2080c840c2151c8f9e858ea_1_1 | 35316af8a440b8c8f0213cb6c7981b4c0c2a986b13892b43e4f6da2aa5aa8610 |
Coding | codecontest | Write Python code to solve the task.
One day Vasya was going home when he saw a box lying on the road. The box can be represented as a rectangular parallelepiped. Vasya needed no time to realize that the box is special, as all its edges are parallel to the coordinate axes, one of its vertices is at point (0, 0, 0), and... | Step 1:
The problem statement describes a scenario where Vasya sees a box located in space and needs to calculate the sum of numbers visible on the box faces from his position. He looks at the box from a point with coordinates (x, y, z), and the box is defined by two vertices - (0, 0, 0) and (x1, y1, z1). Each face of... | f3e7d25aaab2d4b6f5f302ec2c2f84531432e51c08ec67e8c2668dd264fc0a8b_1_1 | 35316af8a440b8c8f0213cb6c7981b4c0c2a986b13892b43e4f6da2aa5aa8610 |
Coding | codecontest | Write Python code to solve the task.
One day Vasya was going home when he saw a box lying on the road. The box can be represented as a rectangular parallelepiped. Vasya needed no time to realize that the box is special, as all its edges are parallel to the coordinate axes, one of its vertices is at point (0, 0, 0), and... | Step 1: The problem asks us to determine the sum of numbers on the box faces that Vasya sees from his position.
Step 2: We need to consider which numbers are visible to Vasya based on his position relative to the box.
Step 3: We can start by parsing the input to extract Vasya's position, the box's vertex, and the nu... | 4789ec02cd93353eae8547065f0f467018ea1904993f021432734e95fae27b7e_1_1 | 35316af8a440b8c8f0213cb6c7981b4c0c2a986b13892b43e4f6da2aa5aa8610 |
Coding | codecontest | Write Python code to solve the task.
problem
You decide to invite your friends of the school and your friends of a friend to the Christmas party. The number of students in your school is n, and each student is assigned a number from 1 to n. Your number is 1. You have a list of who and who are your friends. Based on th... | Step 1: To solve this problem, we need to find the number of students to invite to the Christmas party based on the list of friends provided.
Step 2: We need to parse the input to extract the number of students in the school, the list of friendships, and the number of students in each friendship.
Step 3: Then, we ne... | e651562efe44530ac294aa0ee33768a10343784b5d4e95df35edd82ddd70bf49_1_1 | 529425430045c9d67cfad402e6b993e2eff0b521398faf85e94502253b3b86dd |
Coding | codecontest | Write Python code to solve the task.
problem
You decide to invite your friends of the school and your friends of a friend to the Christmas party. The number of students in your school is n, and each student is assigned a number from 1 to n. Your number is 1. You have a list of who and who are your friends. Based on th... | Step 1: The problem involves taking input for the number of students in the school, the number of friendships, and the friendships between students. We need to store the friendships in a suitable data structure and calculate the number of students to invite to the Christmas party.
Step 2: We will create a dictionary ... | e3c5ae7020c56fab9f63be9a0660fcd1b99979dd8a9c559ee60f66de5720b3ad_1_1 | 529425430045c9d67cfad402e6b993e2eff0b521398faf85e94502253b3b86dd |
Coding | codecontest | Write Python code to solve the task.
problem
You decide to invite your friends of the school and your friends of a friend to the Christmas party. The number of students in your school is n, and each student is assigned a number from 1 to n. Your number is 1. You have a list of who and who are your friends. Based on th... | Step 1: The problem requires us to create a program that asks for the number of students to invite to a Christmas party based on a list of friends.
Step 2: We can solve the problem by using dictionaries to represent the friendships between students and then using the information to determine the number of students to... | 02a4b5b2d97aa529a0615f6c967bace5d704b9e6718123d73bbbff6c6b0a8b03_1_1 | 529425430045c9d67cfad402e6b993e2eff0b521398faf85e94502253b3b86dd |
Coding | codecontest | Write Python code to solve the task.
IT City administration has no rest because of the fame of the Pyramids in Egypt. There is a project of construction of pyramid complex near the city in the place called Emerald Walley. The distinction of the complex is that its pyramids will be not only quadrangular as in Egypt but ... | Step 1: The problem requires us to calculate the volume of three different types of pyramids - triangular, quadrangular, and pentagonal.
Step 2: We need to calculate the volume of each pyramid based on its base shape and edge length.
Step 3: Then, we need to compute the total volume of the three pyramids and return ... | a463ac49fb216b86de8a0afdf3a3c7c3f4ec4b6d3b8d292172d5c8e06599f6df_1_1 | 3bb63e1cddf8dd3359676771a104d2c29dec105c429be1cf732cedaed2839766 |
Coding | codecontest | Write Python code to solve the task.
IT City administration has no rest because of the fame of the Pyramids in Egypt. There is a project of construction of pyramid complex near the city in the place called Emerald Walley. The distinction of the complex is that its pyramids will be not only quadrangular as in Egypt but ... | Step 1: To solve this problem, we need to calculate the volume of each pyramid and then add them together.
Step 2: The volume of a triangular pyramid, quadrangular pyramid, and a pentagonal pyramid can be calculated using their respective formulas.
Step 3: We can then add the volumes of the three pyramids to get the... | f151cfbe54585254c329d1038c583eb36b3ca6364e21b9f601843fd594b6d4a4_1_1 | 3bb63e1cddf8dd3359676771a104d2c29dec105c429be1cf732cedaed2839766 |
Coding | codecontest | Write Python code to solve the task.
IT City administration has no rest because of the fame of the Pyramids in Egypt. There is a project of construction of pyramid complex near the city in the place called Emerald Walley. The distinction of the complex is that its pyramids will be not only quadrangular as in Egypt but ... | Step 1: The problem is asking for the total volume of three pyramids, each with a different base and edge lengths.
Step 2: We can calculate the volume of each pyramid separately using the given edge lengths and then sum them to get the total volume.
Step 3: For the triangular pyramid, we can use the formula for the ... | 262295e8a699f0210ebd8360cb9cff2ae456dedcfb4861f4aa4f7b6dfe9f73ab_1_1 | 3bb63e1cddf8dd3359676771a104d2c29dec105c429be1cf732cedaed2839766 |
Coding | codecontest | Write Python code to solve the task.
Lavrenty, a baker, is going to make several buns with stuffings and sell them.
Lavrenty has n grams of dough as well as m different stuffing types. The stuffing types are numerated from 1 to m. Lavrenty knows that he has ai grams left of the i-th stuffing. It takes exactly bi grams... | Step 1: The function reads the input values and initializes variables to keep track of dough, stuffing, dough cost, and earn.
Step 2: It then constructs a two-dimensional list to perform dynamic programming to calculate the maximum gain.
Step 3: The `dp[j][i]` represents the maximum gain up to i using j grams of do... | 2e173e3f325fd5024ff5a602bb7e06e3689945e2d29dcd098d457070c89e576b_1_1 | 4e1b1262b11279076a1c3ebfafb69bd239d39f9dd0f9c7caff15b765cef86055 |
Coding | codecontest | Write Python code to solve the task.
Lavrenty, a baker, is going to make several buns with stuffings and sell them.
Lavrenty has n grams of dough as well as m different stuffing types. The stuffing types are numerated from 1 to m. Lavrenty knows that he has ai grams left of the i-th stuffing. It takes exactly bi grams... | Step 1: The problem is asking us to find the maximum number of tugriks Lavrenty can earn by cooking buns using different stuffings and dough.
Step 2: We are given the amount of dough Lavrenty has, the number of stuffing types, the amount of stuffings left, the grams of stuffing and dough to cook a bun, and the price ... | bb8796cae3325ccb55212597c1c8a89b3407f8ef4d3a24273456ad958649c24c_1_1 | 4e1b1262b11279076a1c3ebfafb69bd239d39f9dd0f9c7caff15b765cef86055 |
Coding | codecontest | Write Python code to solve the task.
Lavrenty, a baker, is going to make several buns with stuffings and sell them.
Lavrenty has n grams of dough as well as m different stuffing types. The stuffing types are numerated from 1 to m. Lavrenty knows that he has ai grams left of the i-th stuffing. It takes exactly bi grams... | Step 1: The given code reads the inputs and stores them into appropriate variables. It then uses dynamic programming to find the maximum number of tugriks Lavrenty can earn.
Step 2: The code uses a nested loop and the concept of knapsack problem to populate a 2D array f with the maximum number of tugriks that Lavrent... | b16b27264a07543a66923067fcddb9fdeaba2b00769791d821b6f8ddf29e892c_1_1 | 4e1b1262b11279076a1c3ebfafb69bd239d39f9dd0f9c7caff15b765cef86055 |
Coding | codecontest | Write Python code to solve the task.
It's been almost a week since Polycarp couldn't get rid of insomnia. And as you may already know, one week in Berland lasts k days!
When Polycarp went to a doctor with his problem, the doctor asked him about his sleeping schedule (more specifically, the average amount of hours of s... | Step 1: To calculate the average sleep time of Polycarp over all weeks, we need to consider k consecutive days as a week and then calculate the sum of sleep times for each week.
Step 2: We then divide the total sum by the number of weeks to get the average sleep time.
Step 3: To do this, we need to iterate through t... | 66e42beca96bd9f0af519e81ab8a7177abff3475ba4f1d150470fa857127be57_1_1 | 3838124a60d4118a743e768095f30e0fa744bb3536685d5732dc12627585c439 |
Coding | codecontest | Write Python code to solve the task.
It's been almost a week since Polycarp couldn't get rid of insomnia. And as you may already know, one week in Berland lasts k days!
When Polycarp went to a doctor with his problem, the doctor asked him about his sleeping schedule (more specifically, the average amount of hours of s... | Step 1: To solve this problem, we need to calculate the average sleep time over all weeks for Polycarp.
Step 2: We can start by reading the input, which includes the number of days n, the number of days in a week k, and the sequence of sleep times for each day.
Step 3: Then, we need to sum the sleep times for each w... | bc827df5e1239bc02e06d587c87f15e4f125d32ff6d56f3a7d266f32feb20d95_1_1 | 3838124a60d4118a743e768095f30e0fa744bb3536685d5732dc12627585c439 |
Coding | codecontest | Write Python code to solve the task.
It's been almost a week since Polycarp couldn't get rid of insomnia. And as you may already know, one week in Berland lasts k days!
When Polycarp went to a doctor with his problem, the doctor asked him about his sleeping schedule (more specifically, the average amount of hours of s... | Step 1: To solve this problem, we need to calculate the average sleep times of Polycarp over all weeks.
Step 2: The input specifies n, the number of records of sleep times, and k, the number of days in a week.
Step 3: We need to loop through the records to calculate the average sleep time over each week.
Step 4: Fo... | fd1302d87119d41bf7fdaea0cdeb243c5a3dcfed8d8176a97ce37b08db4c5e2f_1_1 | 3838124a60d4118a743e768095f30e0fa744bb3536685d5732dc12627585c439 |
Coding | codecontest | Write Python code to solve the task.
Alice lives on a flat planet that can be modeled as a square grid of size n × n, with rows and columns enumerated from 1 to n. We represent the cell at the intersection of row r and column c with ordered pair (r, c). Each cell in the grid is either land or water.
<image> An example... | Step 1: This problem involves finding the minimum possible cost of creating at most one tunnel so that Alice can travel from one cell to another on a flat planet.
Step 2: At first glance, we need to identify whether we need to create any tunnel or not.
Step 3: If a tunnel is required, we should calculate the minimu... | f0745febcb298ab6c4f28723407ca14fac047a15acf0a2831f460720792a39db_1_1 | 53a5bb587cbffc73017aa3747146e6661be6e36657692c4d47ed0a23beba50f3 |
Coding | codecontest | Write Python code to solve the task.
Alice lives on a flat planet that can be modeled as a square grid of size n × n, with rows and columns enumerated from 1 to n. We represent the cell at the intersection of row r and column c with ordered pair (r, c). Each cell in the grid is either land or water.
<image> An example... | Step 1: The problem requires finding the minimum possible cost of creating at most one tunnel that allows Alice to travel from one cell to another.
Step 2: We need to calculate the distance between potential land cells for creating a tunnel.
Step 3: We also need to iterate through the grid to check for other valid t... | 66ca907ad695589fa698c86a502c2db75c4f9e0b224e544167a75e9039f4759c_1_1 | 53a5bb587cbffc73017aa3747146e6661be6e36657692c4d47ed0a23beba50f3 |
Coding | codecontest | Write Python code to solve the task.
Alice lives on a flat planet that can be modeled as a square grid of size n × n, with rows and columns enumerated from 1 to n. We represent the cell at the intersection of row r and column c with ordered pair (r, c). Each cell in the grid is either land or water.
<image> An example... | Step 1: The problem requires identifying land cells and assessing the minimum cost of creating at most one tunnel between land cells.
Step 2: We can start by reading the input and initializing the necessary variables.
Step 3: Afterwards, we can perform breadth-first search to traverse the land cells and identify the... | 9f4a5e297407e5677313ed631101d79a9b48aced0f3d1bb48c5ab69454e9042b_1_1 | 53a5bb587cbffc73017aa3747146e6661be6e36657692c4d47ed0a23beba50f3 |
Coding | codecontest | Write Python code to solve the task.
While Vasya finished eating his piece of pizza, the lesson has already started. For being late for the lesson, the teacher suggested Vasya to solve one interesting problem. Vasya has an array a and integer x. He should find the number of different ordered pairs of indexes (i, j) suc... | Step 1: To solve this problem, we need to calculate the number of different ordered pairs of indexes (i, j) such that ai ≤ aj and there are exactly k integers y such that ai ≤ y ≤ aj and y is divisible by x.
Step 2: We can iterate through the array and calculate the different pairs of indexes based on the given condi... | 51999cef79cfbb1bc3d3e8c4d8de3f76e6deda221df39a3eb7f4e7cbe5e65d5e_1_1 | 70f2eb2d595549749adff62ba5eed1c39bf0856d48415a4824e666808f33a36c |
Coding | codecontest | Write Python code to solve the task.
While Vasya finished eating his piece of pizza, the lesson has already started. For being late for the lesson, the teacher suggested Vasya to solve one interesting problem. Vasya has an array a and integer x. He should find the number of different ordered pairs of indexes (i, j) suc... | Step 1: The problem description outlines the steps to find the number of different ordered pairs of indexes (i, j) that satisfy certain conditions.
Step 2: We should first focus on interpreting the requirements of the problem and ensure that it is correctly translated into code.
Step 3: After that, the code should b... | dee4e0210ddcf3a8282b6c28f00bee88f70db285d9f6f0310b74084911a73018_1_1 | 70f2eb2d595549749adff62ba5eed1c39bf0856d48415a4824e666808f33a36c |
Coding | codecontest | Write Python code to solve the task.
While Vasya finished eating his piece of pizza, the lesson has already started. For being late for the lesson, the teacher suggested Vasya to solve one interesting problem. Vasya has an array a and integer x. He should find the number of different ordered pairs of indexes (i, j) suc... | Step 1: The problem requires us to find the number of different ordered pairs of indices (i, j) such that ai ≤ aj and there are exactly k integers y such that ai ≤ y ≤ aj and y is divisible by x.
Step 2: We can start by parsing the input to get the values of n, x, k, and the array a.
Step 3: Then we can use a dictio... | 74a356855f604674d9fe68467d454cde45531c3a9569a7c3fcf77a50290db5e2_1_1 | 70f2eb2d595549749adff62ba5eed1c39bf0856d48415a4824e666808f33a36c |
Coding | codecontest | Write Python code to solve the task.
Russian Translation Available
You have a graph with N vertices and M edges. Someone has chosen N-1 edges of these M and claims that they form a spanning tree. Just check whether it's true or not.
Input
The first line contains one integer T denoting the number of test cases.
Each ... | Step 1: The given code sequentially processes each test case and checks if the chosen N-1 edges form a spanning tree. It uses a list 'flag' to keep track of vertices connected by the chosen edges and flags them as True.
Step 2: The code then iterates through the graph to ensure all vertices have been connected by the... | 58881a824af665fbec0337720115637706dd2cac4466eb02666a83d22e39cb51_1_1 | 1be3d5f1044fdf21ab93e9beab362d2efb15bd7a8a9ea8aa19818b7688ef3bb7 |
Coding | codecontest | Write Python code to solve the task.
Russian Translation Available
You have a graph with N vertices and M edges. Someone has chosen N-1 edges of these M and claims that they form a spanning tree. Just check whether it's true or not.
Input
The first line contains one integer T denoting the number of test cases.
Each ... | Step 1: We have to determine whether the chosen N-1 edges form a spanning tree or not.
Step 2: To solve this problem, we need to iterate through the given edges and check if they form a tree.
Step 3: We will use some graph traversal algorithm to check if the tree is formed with given edges.
Step 4: We also need to ... | 1cbaefee26d6fef010489643ab2ffc8413ef00150aea7312d456959d85e25680_1_1 | 1be3d5f1044fdf21ab93e9beab362d2efb15bd7a8a9ea8aa19818b7688ef3bb7 |
Coding | codecontest | Write Python code to solve the task.
Russian Translation Available
You have a graph with N vertices and M edges. Someone has chosen N-1 edges of these M and claims that they form a spanning tree. Just check whether it's true or not.
Input
The first line contains one integer T denoting the number of test cases.
Each ... | Step 1: The problem requires us to determine if a set of edges form a spanning tree for a given graph. We can start by reading the input data, such as the number of test cases, the number of vertices and edges for each test case, the edges, and the chosen edges. We then need to compare the chosen edges to the actual e... | 91672a3c4d9030594aa382f87f38be9091f4bd511ecfbffa4e50762eaf0e8ee8_1_1 | 1be3d5f1044fdf21ab93e9beab362d2efb15bd7a8a9ea8aa19818b7688ef3bb7 |
Coding | codecontest | Write Python code to solve the task.
Recenlty Luba got a credit card and started to use it. Let's consider n consecutive days Luba uses the card.
She starts with 0 money on her account.
In the evening of i-th day a transaction ai occurs. If ai > 0, then ai bourles are deposited to Luba's account. If ai < 0, then ai b... | Step 1: The problem requires processing a series of transactions representing deposits, withdrawals, and checks to Luba's account over multiple days.
Step 2: If the total amount of money on her account goes over the limit at any point, the function should return -1.
Step 3: We need to parse the transactions and grou... | 02669eee15dcea0751a25339f7ea169fd68a2ec048cad614323472aff0dfe489_1_1 | 45bb2f55b9fd7bb7fafeb13f04da5c76faa2f6a0831f730b00f80b71fa94e26b |
Coding | codecontest | Write Python code to solve the task.
Recenlty Luba got a credit card and started to use it. Let's consider n consecutive days Luba uses the card.
She starts with 0 money on her account.
In the evening of i-th day a transaction ai occurs. If ai > 0, then ai bourles are deposited to Luba's account. If ai < 0, then ai b... | Step 1: The problem involves simulating Luba's account transaction for several days and ensuring that the account meets certain requirements.
Step 2: We need to keep track of the minimum and maximum amount of money in Luba's account and update these values based on her daily transactions.
Step 3: We also need to ens... | 28a0a0b9b5d4542276a831297d5590e77e6a3eaaeeb8cbe23c84859ac40d91c6_1_1 | 45bb2f55b9fd7bb7fafeb13f04da5c76faa2f6a0831f730b00f80b71fa94e26b |
Coding | codecontest | Write Python code to solve the task.
Recenlty Luba got a credit card and started to use it. Let's consider n consecutive days Luba uses the card.
She starts with 0 money on her account.
In the evening of i-th day a transaction ai occurs. If ai > 0, then ai bourles are deposited to Luba's account. If ai < 0, then ai b... | Step 1: To solve this problem, we need to keep track of the total money Luba has throughout the consecutive days and make sure it adheres to the constraints outlined in the problem.
Step 2: We will iterate through each day and update her minimum, maximum, and total money depending on the day's transaction and the con... | 17d0dabaa192dd739359ef363410f944822f485dca84d35f3f539d6a3e7ebf80_1_1 | 45bb2f55b9fd7bb7fafeb13f04da5c76faa2f6a0831f730b00f80b71fa94e26b |
Coding | codecontest | Write Python code to solve the task.
You are given a sequence of n integers a1, a2, ..., an.
Determine a real number x such that the weakness of the sequence a1 - x, a2 - x, ..., an - x is as small as possible.
The weakness of a sequence is defined as the maximum value of the poorness over all segments (contiguous s... | Step 1:
The objective of this problem is to find the minimum possible weakness of a given sequence. The weakness is defined as the maximum value of the poorness over all segments of the sequence. This can be achieved by finding a real number x that minimizes the poorness of the sequence a1 - x, a2 - x, ..., an - x.
T... | 3a683bb86920d0eaa88980aa3ed33282a80d9107dad111c6fbd979e5f98f7008_1_1 | 5831534a4350958f591f3bc756abe18a075f0289fce2c69a76bbb5786fa41000 |
Coding | codecontest | Write Python code to solve the task.
You are given a sequence of n integers a1, a2, ..., an.
Determine a real number x such that the weakness of the sequence a1 - x, a2 - x, ..., an - x is as small as possible.
The weakness of a sequence is defined as the maximum value of the poorness over all segments (contiguous s... | Step 1: To solve this problem, we need to find the real number x that minimizes the weakness of the sequence a1 - x, a2 - x, ..., an - x.
Step 2: We can use binary search to find the optimal value of x that minimizes the weakness of the sequence.
Step 3: We can also calculate the poorness of each segment of the sequ... | 3f6cc5788f85d5db6f001e678530b59f60bc41b4d72fb0c3bb78eb60e729227f_1_1 | 5831534a4350958f591f3bc756abe18a075f0289fce2c69a76bbb5786fa41000 |
Coding | codecontest | Write Python code to solve the task.
You are given a sequence of n integers a1, a2, ..., an.
Determine a real number x such that the weakness of the sequence a1 - x, a2 - x, ..., an - x is as small as possible.
The weakness of a sequence is defined as the maximum value of the poorness over all segments (contiguous s... | Step 1:
The problem requires finding a real number x such that the weakness of the sequence a1 - x, a2 - x, ..., an - x is as small as possible. Weakness of a sequence is defined as the maximum value of the poorness over all segments of a sequence. The poorness of a segment is defined as the absolute value of the sum ... | 3fb1f160cff1546c96837e1981bdf85cf6a6d9a86b8ac1b6b50217809a4d1c71_1_1 | 5831534a4350958f591f3bc756abe18a075f0289fce2c69a76bbb5786fa41000 |
Coding | codecontest | Write Python code to solve the task.
Find the number of integers between 1 and N (inclusive) that contains exactly K non-zero digits when written in base ten.
Constraints
* 1 \leq N < 10^{100}
* 1 \leq K \leq 3
Input
Input is given from Standard Input in the following format:
N
K
Output
Print the count.
Examp... | Step 1: To solve this problem, we need to count the number of integers between 1 and N (inclusive) that contain exactly K non-zero digits when written in base ten.
Step 2: We can solve this problem by using combinations and recursively checking all the integers between 1 and N.
Step 3: The base case will consist of... | feb7ee2f2dbace1537a62efc8d73c2f721bc4fa4888d43ec1a1dc6c9931bded6_1_1 | 3163406ae9164d853e5e59033af1d40ea651ac8a450455b14397ade96c561ae8 |
Coding | codecontest | Write Python code to solve the task.
Find the number of integers between 1 and N (inclusive) that contains exactly K non-zero digits when written in base ten.
Constraints
* 1 \leq N < 10^{100}
* 1 \leq K \leq 3
Input
Input is given from Standard Input in the following format:
N
K
Output
Print the count.
Examp... | Step 1: The problem requires a function to find the number of integers between 1 and N that contain exactly K non-zero digits when written in base ten.
Step 2: We can start by defining a function to calculate the factorial and another function to calculate the combination of two numbers.
Step 3: We can then use a re... | dec38f8db306754374ab8a7cb8a70ec5ba1d8e2ba0bbb509597a735c59249765_1_1 | 3163406ae9164d853e5e59033af1d40ea651ac8a450455b14397ade96c561ae8 |
Coding | codecontest | Write Python code to solve the task.
Find the number of integers between 1 and N (inclusive) that contains exactly K non-zero digits when written in base ten.
Constraints
* 1 \leq N < 10^{100}
* 1 \leq K \leq 3
Input
Input is given from Standard Input in the following format:
N
K
Output
Print the count.
Examp... | Step 1: The goal is to find the number of integers between 1 and N (inclusive) that contain exactly K non-zero digits when written in base ten.
Step 2: To solve this problem, we can use dynamic programming to handle the large input constraints efficiently.
Step 3: We need to consider the constraints on the input val... | 506ba7985b7e4a3c337651dd1fc24c3d5706e4187f5d6fa15c7f6da42ba35ff7_1_1 | 3163406ae9164d853e5e59033af1d40ea651ac8a450455b14397ade96c561ae8 |
Coding | codecontest | Write Python code to solve the task.
Peter got a new snow blower as a New Year present. Of course, Peter decided to try it immediately. After reading the instructions he realized that it does not work like regular snow blowing machines. In order to make it work, you need to tie it to some point that it does not cover, ... | Step 1:
The problem requires finding the area cleared from snow after a snow-blowing machine tied to a point. Our approach should be to first understand the problem statement and then work out the logic to derive a formula to calculate the cleared area effectively.
We can derive a function to calculate the area based... | 42d2865dd7aa840da031e68f507dd328690009ad4cbdf47e1c96a4da181f1753_1_1 | 637b7230714f739ed6f30b03ef483173d962bddb53f61b67ccc6c77e7778597d |
Coding | codecontest | Write Python code to solve the task.
Peter got a new snow blower as a New Year present. Of course, Peter decided to try it immediately. After reading the instructions he realized that it does not work like regular snow blowing machines. In order to make it work, you need to tie it to some point that it does not cover, ... | Step 1:
The problem seems to involve calculating the area of the region that will be cleared by a circular path around a given polygon.
We need to iterate over each vertex of the polygon and calculate the distance of each vertex from the point to which the machine is tied. We then calculate the maximum and minimum di... | 2893e51cec3ae3dd9024ae5de124ae996c46a467023e91f2a0637268fa1ea4e3_1_1 | 637b7230714f739ed6f30b03ef483173d962bddb53f61b67ccc6c77e7778597d |
Coding | codecontest | Write Python code to solve the task.
Peter got a new snow blower as a New Year present. Of course, Peter decided to try it immediately. After reading the instructions he realized that it does not work like regular snow blowing machines. In order to make it work, you need to tie it to some point that it does not cover, ... | Step 1: Since Python 2 codes are being used, the raw_input function should be replaced with input() to make it work in Python 3.
Step 2: The input consists of the number of vertices of the polygon, the coordinates of point P, and the coordinates of the polygon's vertices.
Step 3: We can start by creating classes to ... | 7ca2575f916fe4d59ab3194cdb43defec2dbd4fc3211a531db08d9373b7a95b0_1_1 | 637b7230714f739ed6f30b03ef483173d962bddb53f61b67ccc6c77e7778597d |
Coding | codecontest | Write Python code to solve the task.
In 20XX, the Aizu Chuo Road, which has a total distance of 58km and 6 sections from Atsushiokanomachi, Kitakata City to Minamiaizucho, is scheduled to be completed and opened.
For half a year after opening, the toll will be halved for vehicles that pass the departure IC or arrival ... | Step 1: The problem provides the rates and distances between 7 travel points. We need to calculate the toll based on the given conditions.
Step 2: We can start by implementing a data structure to represent the rates and distances.
Step 3: Then we can create a function to calculate the toll based on the departure IC,... | f49cae467051a67668326c753495e1a340de5afe188c662286e92c3117d1613a_1_1 | 2a3abe7c647d5032efa02a34ed0b0dd8ebe965c90c2e95c2f99a38c8eb5826ac |
Coding | codecontest | Write Python code to solve the task.
In 20XX, the Aizu Chuo Road, which has a total distance of 58km and 6 sections from Atsushiokanomachi, Kitakata City to Minamiaizucho, is scheduled to be completed and opened.
For half a year after opening, the toll will be halved for vehicles that pass the departure IC or arrival ... | Step 1: This problem involves calculating the toll fee for vehicles traveling on the Aizu Chuo Road based on departure and arrival details. The fare calculation depends on specific conditions, such as half price if the vehicle passes the departure or arrival IC between 17:30 and 19:30 and has a mileage of 40km or less... | 441ce5732a93476afd8fb1e4751f6eecc401856993c0cca66ae13f717c92b543_1_1 | 2a3abe7c647d5032efa02a34ed0b0dd8ebe965c90c2e95c2f99a38c8eb5826ac |
Coding | codecontest | Write Python code to solve the task.
In 20XX, the Aizu Chuo Road, which has a total distance of 58km and 6 sections from Atsushiokanomachi, Kitakata City to Minamiaizucho, is scheduled to be completed and opened.
For half a year after opening, the toll will be halved for vehicles that pass the departure IC or arrival ... | Step 1: The problem is asking to create a program that calculates and outputs the charge by inputting the departure IC, the transit time of the departure IC, the arrival IC, and the transit time of the arrival IC. <br>
Step 2: The program requires parsing multiple datasets to obtain input <br>
Step 3: The program th... | d11fb7899434a106a85ca385a7f89a26eddb58efc9b4db32b56aa2a21c7749bb_1_1 | 2a3abe7c647d5032efa02a34ed0b0dd8ebe965c90c2e95c2f99a38c8eb5826ac |
Coding | codecontest | Write Python code to solve the task.
Today, Osama gave Fadi an integer X, and Fadi was wondering about the minimum possible value of max(a, b) such that LCM(a, b) equals X. Both a and b should be positive integers.
LCM(a, b) is the smallest positive integer that is divisible by both a and b. For example, LCM(6, 8) = 2... | Step 1: To find the minimum possible value of max(a, b) such that LCM(a, b) equals X, we need to consider the factors of X and how they can be combined to minimize max(a, b).
Step 2: One way to approach this problem is to find the greatest common divisor (GCD) of the factors of X, and then use this GCD to combine the... | 73e2b2838dddda149d581c5ba05ddd77f316301c1fca4089044510c4300f850a_1_1 | f19567e651858923362ab1e75619002e5de6b9abf9184114b1135ade6d8cfe5d |
Coding | codecontest | Write Python code to solve the task.
Today, Osama gave Fadi an integer X, and Fadi was wondering about the minimum possible value of max(a, b) such that LCM(a, b) equals X. Both a and b should be positive integers.
LCM(a, b) is the smallest positive integer that is divisible by both a and b. For example, LCM(6, 8) = 2... | Step 1: To solve this problem, we need to find two positive integers a and b such that their LCM is equal to X and the value of max(a, b) is minimal.
Step 2: We can start by finding all the positive divisors of X, then iterate through the divisors to find the optimal pair that meets the conditions.
Step 3: We also n... | ecb4ea62123203913601e9dce025e7dd5efd2633b6a94c8c679936437f15bc79_1_1 | f19567e651858923362ab1e75619002e5de6b9abf9184114b1135ade6d8cfe5d |
Coding | codecontest | Write Python code to solve the task.
Today, Osama gave Fadi an integer X, and Fadi was wondering about the minimum possible value of max(a, b) such that LCM(a, b) equals X. Both a and b should be positive integers.
LCM(a, b) is the smallest positive integer that is divisible by both a and b. For example, LCM(6, 8) = 2... | Step 1: The problem requires finding two positive integers, a and b, such that the least common multiple (LCM) of a and b equals X.
Step 2: The brute force approach would be to iterate through all pairs of positive integers and check their LCM to find the minimum max(a, b) value.
Step 3: However, this process would ... | 56ce195ea7139ebbf49ead68344b62de661de2009d5f087ccdb98bbcbc4782eb_1_1 | f19567e651858923362ab1e75619002e5de6b9abf9184114b1135ade6d8cfe5d |
Coding | codecontest | Write Python code to solve the task.
Everything got unclear to us in a far away constellation Tau Ceti. Specifically, the Taucetians choose names to their children in a very peculiar manner.
Two young parents abac and bbad think what name to give to their first-born child. They decided that the name will be the permut... | Step 1: The problem requires us to generate lexicographically minimum permutation of letters of string s that is strictly larger than the neighbour's son's name t.
Step 2: We can start by preprocessing the strings s and t to count the occurrences of each character.
Step 3: Then, we can iterate through the characters... | 252d4b0f0134a19baeaf42ba09cc637ab1e059666f842b06df9a5159aafcba45_1_1 | 7c646b8f12a75eaa4569888e37e019c1f504abcb105a7f96f22ef77f63006f0c |
Coding | codecontest | Write Python code to solve the task.
Everything got unclear to us in a far away constellation Tau Ceti. Specifically, the Taucetians choose names to their children in a very peculiar manner.
Two young parents abac and bbad think what name to give to their first-born child. They decided that the name will be the permut... | Step 1: The problem asks for lexicographically minimum string which is strictly greater than the neighbor's child's name t.
Step 2: To solve this problem, we need to determine a string that is the result of permutation of letters in s and is lexicographically strictly more than t and lexicographically minimum.
Step 3... | 4b4d197024f0d55ea329e1847a534c763c988bc2396e2e8f01c38736a06e9bc7_1_1 | 7c646b8f12a75eaa4569888e37e019c1f504abcb105a7f96f22ef77f63006f0c |
Coding | codecontest | Write Python code to solve the task.
Everything got unclear to us in a far away constellation Tau Ceti. Specifically, the Taucetians choose names to their children in a very peculiar manner.
Two young parents abac and bbad think what name to give to their first-born child. They decided that the name will be the permut... | Step 1: The problem involves finding a string, which is a permutation of string s and lexicographically greater than string t. We can start by considering the characters of s and t and the relationship between them.
Step 2: If the sorted string s is lexicographically less than or equal to the string t, we print -1 as... | 2238a754023ad328e2e5087da224e494b3c80683258bf6807d9144b0e6f66bc6_1_1 | 7c646b8f12a75eaa4569888e37e019c1f504abcb105a7f96f22ef77f63006f0c |
Coding | codecontest | Write Python code to solve the task.
A monster is attacking the Cyberland!
Master Yang, a braver, is going to beat the monster. Yang and the monster each have 3 attributes: hitpoints (HP), offensive power (ATK) and defensive power (DEF).
During the battle, every second the monster's HP decrease by max(0, ATKY - DEFM)... | Step 1: To solve this problem, we need to find the minimum number of bitcoins Master Yang should spend in order to win.
Step 2: We need to consider the decreasing HP of the monster and Master Yang's HP during the battle and calculate the minimum required attributes to defeat the monster.
Step 3: We can use dynamic p... | 814b36b41a36073e5ddc289e77bdb907c4f328df1e2425f8e44c20b904ee5895_1_1 | f20f3a23728f9888bd4048964fb110c2a9692d197dad817a37ebca8cdb770e08 |
Coding | codecontest | Write Python code to solve the task.
A monster is attacking the Cyberland!
Master Yang, a braver, is going to beat the monster. Yang and the monster each have 3 attributes: hitpoints (HP), offensive power (ATK) and defensive power (DEF).
During the battle, every second the monster's HP decrease by max(0, ATKY - DEFM)... | Step 1: To solve this problem, we need to consider the battle dynamics between Master Yang and the monster. Yang and the monster's attributes change every second, and we need to minimize the cost for Yang to win the battle.
Step 2: The task requires a game theory approach where we need to consider different scenarios... | cb466e252405718a1990d3cdb6cd6f1f8920afe8bb8faee07b9f1f674907950b_1_1 | f20f3a23728f9888bd4048964fb110c2a9692d197dad817a37ebca8cdb770e08 |
Coding | codecontest | Write Python code to solve the task.
A monster is attacking the Cyberland!
Master Yang, a braver, is going to beat the monster. Yang and the monster each have 3 attributes: hitpoints (HP), offensive power (ATK) and defensive power (DEF).
During the battle, every second the monster's HP decrease by max(0, ATKY - DEFM)... | Step 1: The objective is to calculate the minimum number of bitcoins required by Master Yang to win against the monster.
Step 2: To do this, we'll need to consider the battle mechanics, including the simultaneous decrease in HP for both Master Yang and the monster.
Step 3: We'll also need to consider the cost of buy... | 2af11b8c354417be99d4c09cc9864affaf36aabce050be720793cec33c9a7987_1_1 | f20f3a23728f9888bd4048964fb110c2a9692d197dad817a37ebca8cdb770e08 |
Coding | codecontest | Write Python code to solve the task.
Vanya and his friend Vova play a computer game where they need to destroy n monsters to pass a level. Vanya's character performs attack with frequency x hits per second and Vova's character performs attack with frequency y hits per second. Each character spends fixed time to raise a... | Step 1: The problem involves getting the last hit by Vanya or Vova on a series of monsters based on their attack frequency.
Step 2: If their attack frequencies are different, we need to calculate the hit points for each monster to determine who makes the last hit.
Step 3: If the attack frequencies are the same, both... | 11b00acc138c91e53757e24bd156f7153df4064c7549dcfa1a3e9c34af2e2a7f_1_1 | a7d7c9dd0055ef24c7e10d8ad3dd4e2937817b1ceef0bd88cbf06ae3613acd41 |
Coding | codecontest | Write Python code to solve the task.
Vanya and his friend Vova play a computer game where they need to destroy n monsters to pass a level. Vanya's character performs attack with frequency x hits per second and Vova's character performs attack with frequency y hits per second. Each character spends fixed time to raise a... | Step 1: We are given the number of monsters, the frequency of Vanya's and Vova's attacks, and the number of hits needed to destroy each monster.
Step 2: The input specifies whether Vanya or Vova makes the last hit on each monster or both make the last hit.
Step 3: The solution needs to calculate the last hit for eac... | 0fa26ffa710b534e54922e98da880ec673e9f4c999e9789146b1f2178b9ff307_1_1 | a7d7c9dd0055ef24c7e10d8ad3dd4e2937817b1ceef0bd88cbf06ae3613acd41 |
Coding | codecontest | Write Python code to solve the task.
Vanya and his friend Vova play a computer game where they need to destroy n monsters to pass a level. Vanya's character performs attack with frequency x hits per second and Vova's character performs attack with frequency y hits per second. Each character spends fixed time to raise a... | Step 1: This problem requires us to determine which character, Vanya or Vova, makes the last hit on each monster based on their attack frequency and the number of hits needed to destroy each monster.
Step 2: We need to calculate the attack times for each character and find the sequence of hit times. Then, for each mo... | 9954a19564e7a9f725878ecc4c2c057e310ec78261d00c01d09f3c293ff04532_1_1 | a7d7c9dd0055ef24c7e10d8ad3dd4e2937817b1ceef0bd88cbf06ae3613acd41 |
Coding | codecontest | Write Python code to solve the task.
Two strings are said to be anagrams of each other if the letters of one string may be rearranged to make the other string. For example, the words 'elvis' and 'lives' are anagrams.
In this problem you’ll be given two strings. Your job is to find if the two strings are anagrams of ea... | Step 1: This problem involves determining if two given strings are anagrams of each other and finding the lexicographically smallest palindrome that can be appended to either of the strings to make them anagrams.
Step 2: We will need a method to check for anagrams, find the lexicographically smallest palindrome, and ... | bfe93e47fd10c55721486653d5bd3c8ef62f4ae44d7ca4e86f743ece873faf58_1_1 | 81fc9a84560c747d8d84714b160ca184e3161f70a0d481e8fa940378ff32a12a |
Coding | codecontest | Write Python code to solve the task.
Two strings are said to be anagrams of each other if the letters of one string may be rearranged to make the other string. For example, the words 'elvis' and 'lives' are anagrams.
In this problem you’ll be given two strings. Your job is to find if the two strings are anagrams of ea... | Step 1: To solve this problem, we need to handle the input and process it accordingly.
Step 2: We can start by defining a function to construct the lexicographically smallest palindrome from a given input string.
Step 3: Then, we should use the palindrome construction function and anagram check to solve the given p... | 0f5c7cf8d8700445f2d782fe0cd08d07202b38988476244c70c3fa3e0b866d24_1_1 | 81fc9a84560c747d8d84714b160ca184e3161f70a0d481e8fa940378ff32a12a |
Coding | codecontest | Write Python code to solve the task.
Two strings are said to be anagrams of each other if the letters of one string may be rearranged to make the other string. For example, the words 'elvis' and 'lives' are anagrams.
In this problem you’ll be given two strings. Your job is to find if the two strings are anagrams of ea... | Step 1: The problem can be divided into several subproblems:
Step 2: 1. Cleaning and preprocessing the input strings to remove non-alphabetic characters and convert the strings to lowercase.
Step 3: 2. Checking if two strings are anagrams of each other. This can be done by counting the occurrences of each character ... | a884b5a4e2805b8d54874c62b8f52a7f897cbfaf9c83d4f951da0cb68f9fa9e4_1_1 | 81fc9a84560c747d8d84714b160ca184e3161f70a0d481e8fa940378ff32a12a |
Coding | codecontest | Write Python code to solve the task.
The Fair Nut found a string s. The string consists of lowercase Latin letters. The Nut is a curious guy, so he wants to find the number of strictly increasing sequences p_1, p_2, …, p_k, such that:
1. For each i (1 ≤ i ≤ k), s_{p_i} = 'a'.
2. For each i (1 ≤ i < k), there is ... | Step 1: The problem requires finding the number of strictly increasing sequences of 'a' in the given string, such that between the indices of two consecutive 'a's, there is at least one 'b'.
Step 2: We can start by iterating through the string and keeping track of the count of consecutive 'a's. We also need to keep t... | f52283966db6c5c552d41aa3bce68137ff06073ac12eb0fbcf162828fe049ea0_1_1 | 3c3a0621b4a3a316a840ce568b9aebe0fbb733404ff7affba119e73f1ddfe8e3 |
Coding | codecontest | Write Python code to solve the task.
The Fair Nut found a string s. The string consists of lowercase Latin letters. The Nut is a curious guy, so he wants to find the number of strictly increasing sequences p_1, p_2, …, p_k, such that:
1. For each i (1 ≤ i ≤ k), s_{p_i} = 'a'.
2. For each i (1 ≤ i < k), there is ... | Step 1: To solve this problem, we need to identify the rules for finding the number of strictly increasing sequences
Step 2: We have to iterate through the input string and identify if we have 'a' and 'b' according to the given conditions
Step 3: We need to use modulo to handle large numbers and find substrings that... | 746701010eec02127419f670142b1b47d92433235683cd159695d800fa85a80b_1_1 | 3c3a0621b4a3a316a840ce568b9aebe0fbb733404ff7affba119e73f1ddfe8e3 |
Coding | codecontest | Write Python code to solve the task.
The Fair Nut found a string s. The string consists of lowercase Latin letters. The Nut is a curious guy, so he wants to find the number of strictly increasing sequences p_1, p_2, …, p_k, such that:
1. For each i (1 ≤ i ≤ k), s_{p_i} = 'a'.
2. For each i (1 ≤ i < k), there is ... | Step 1: To solve this problem, we need to count the number of strictly increasing sequences with 'a's followed by 'b's in the given string.
Step 2: We can start by traversing the string and counting the number of 'a's between 'b's.
Step 3: We then need to calculate the product of the counts of 'a's between 'b's and ... | b55563de4a10134822d4f80675dbdd8086da39dbcc025e475241704cd75d38f9_1_1 | 3c3a0621b4a3a316a840ce568b9aebe0fbb733404ff7affba119e73f1ddfe8e3 |
Coding | codecontest | Write Python code to solve the task.
The only difference between easy and hard versions is constraints.
Now elections are held in Berland and you want to win them. More precisely, you want everyone to vote for you.
There are n voters, and two ways to convince each of them to vote for you. The first way to convince th... | Step 1: The problem requires finding the minimum number of coins you have to spend so that everyone votes for you.
Step 2: We need to consider the two ways to convince each voter: paying him coins or making other voters vote for you.
Step 3: We can loop through the test cases and process the input to calculate the m... | dc691e1a8ecbf5262727186f2ee87b266fb9170ca9774ea3c6e35812b194d494_1_1 | aeed3b6a7187fbef336cb64db85084f5f910014acdec4d0f2ea8294c75d23fa9 |
Coding | codecontest | Write Python code to solve the task.
The only difference between easy and hard versions is constraints.
Now elections are held in Berland and you want to win them. More precisely, you want everyone to vote for you.
There are n voters, and two ways to convince each of them to vote for you. The first way to convince th... | Step 1: The problem asks to calculate the minimum number of coins required to convince all voters to vote for us.
Step 2: To solve the problem, we can use a greedy approach to prioritize convincing voters that require fewer votes to be convinced.
Step 3: We need to consider the cost associated with convincing each v... | b63d4eda172d4f5ae6fe86a883cbb792a6a2dcb926529f747da3975343d2a956_1_1 | aeed3b6a7187fbef336cb64db85084f5f910014acdec4d0f2ea8294c75d23fa9 |
Coding | codecontest | Write Python code to solve the task.
The only difference between easy and hard versions is constraints.
Now elections are held in Berland and you want to win them. More precisely, you want everyone to vote for you.
There are n voters, and two ways to convince each of them to vote for you. The first way to convince th... | Step 1: The problem seems to involve identifying the most cost-effective way to purchase votes in order to ensure that everyone votes for you.
Step 2: We'll need to carefully analyze the given input to determine the appropriate approach to minimize the number of coins spent.
Step 3: It may be useful to consider sor... | 3c405da90aa451572730310f5ad46b77489cec5e7ab84bbf56350b7873ba8be2_1_1 | aeed3b6a7187fbef336cb64db85084f5f910014acdec4d0f2ea8294c75d23fa9 |
Coding | codecontest | Write Python code to solve the task.
Alice and Bob are playing yet another card game. This time the rules are the following. There are n cards lying in a row in front of them. The i-th card has value a_i.
First, Alice chooses a non-empty consecutive segment of cards [l; r] (l ≤ r). After that Bob removes a single car... | Step 1: The problem requires finding the maximum possible score by choosing a segment of cards and removing a single card from that segment.
Step 2: We need to iterate through all possible segments and calculate the score for each segment by removing a card.
Step 3: For each segment, we need to update the maximum sc... | bc581e30c58028b1075c94005a5098d07087b36ec5c32b5dda91780c75473177_1_1 | d857340409c0c5557a0e412112232d1f1d47120b28f9379b78d189f6c608b736 |
Coding | codecontest | Write Python code to solve the task.
Alice and Bob are playing yet another card game. This time the rules are the following. There are n cards lying in a row in front of them. The i-th card has value a_i.
First, Alice chooses a non-empty consecutive segment of cards [l; r] (l ≤ r). After that Bob removes a single car... | Step 1: The problem requires finding the maximum score that Alice can achieve by choosing a segment of cards and have Bob remove a single card to minimize the remaining score, where the score is the total value of the remaining cards.
Step 2: To maximize the score, we can consider using Kadane's algorithm to find the... | 9f06a385b8bc73e90d43e80454136d5c865f609c133fa1a5f02b65d0f58d0675_1_1 | d857340409c0c5557a0e412112232d1f1d47120b28f9379b78d189f6c608b736 |
Coding | codecontest | Write Python code to solve the task.
Alice and Bob are playing yet another card game. This time the rules are the following. There are n cards lying in a row in front of them. The i-th card has value a_i.
First, Alice chooses a non-empty consecutive segment of cards [l; r] (l ≤ r). After that Bob removes a single car... | Step 1: The problem requires finding an optimal segment for Alice to choose that maximizes the score of the remaining cards after Bob removes one card.
Step 2: To find the optimal segment, we can use the Kadane's algorithm to find the contiguous subarray with the maximum sum. The difference of the maximum sum and the... | bcd9b07da4cecacbbe4cd9850c968c247a28d49086704bc10a95aca7ba5f2f2b_1_1 | d857340409c0c5557a0e412112232d1f1d47120b28f9379b78d189f6c608b736 |
Coding | codecontest | Write Python code to solve the task.
Let’s define a grid to be a set of tiles with 2 rows and 13 columns. Each tile has an English letter written in it. The letters don't have to be unique: there might be two or more tiles with the same letter written on them. Here is an example of a grid:
ABCDEFGHIJKLM ... | Step 1: The problem is to find a 2x13 grid of English letters such that the sequence of letters forms the given string s. We can start by initializing the grid with the given length and populate it with the letters from the provided string such that each tile is adjacent to the next one in the path. If such a grid can... | 66242f442f6cb68c47b9a592702ea91dda4c8457dcc41b9123efa1a7e4e3455e_1_1 | f20ad91c307bfd18540f13405061e21130c864039a9248202a3335575998ef35 |
Coding | codecontest | Write Python code to solve the task.
Let’s define a grid to be a set of tiles with 2 rows and 13 columns. Each tile has an English letter written in it. The letters don't have to be unique: there might be two or more tiles with the same letter written on them. Here is an example of a grid:
ABCDEFGHIJKLM ... | Step 1:
The given problem asks us to create a grid that contains a path whose tiles, viewed in the order that the path visits them, form the given string s. We need to find a solution by arranging the given letters into a 2x13 grid that satisfies the conditions for adjacency while forming the given path.
We need to c... | 522ccd8611a9694cf099580f50cc77969c3aa55f1b44e3c03afc7a762d003d69_1_1 | f20ad91c307bfd18540f13405061e21130c864039a9248202a3335575998ef35 |
Coding | codecontest | Write Python code to solve the task.
Let’s define a grid to be a set of tiles with 2 rows and 13 columns. Each tile has an English letter written in it. The letters don't have to be unique: there might be two or more tiles with the same letter written on them. Here is an example of a grid:
ABCDEFGHIJKLM ... | Step 1: There are multiple possible solutions to this problem, so we need to come up with an approach that can generate any valid grid that contains a path for the given string.
Step 2: The first step would be to calculate the position of each letter in the given string so that we can construct a grid with a path tha... | d26b2b67673ad6858aa04c00dda41bc3a4296ad29a64bbce939952fd4c1295a0_1_1 | f20ad91c307bfd18540f13405061e21130c864039a9248202a3335575998ef35 |
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