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Coding | codecontest | Write Python code to solve the task.
India celebrates her Republic day on 26th January every year. It is celebrated in every colleges and schools.
While preparing for the celebration in BIT-Deoghar, Lemon Kumar, a student in-charge of the Republic day event, went to buy sweet packets.
In the shop n packets are kept in ... | Step 1: The problem requires finding the maximum overall profit from selecting any number of contiguous packets from the tray.
Step 2: We need to consider the cost of each packet and the cost per packet charged by the shopkeeper for the special offer.
Step 3: The maximum overall profit can be obtained by selecting t... | 01bf83c9eca5f70cbef05322d14c9691b315d612009ebc5c3c55e7cfecbea018_1_1 | 83a0d05e9f98231ef8023397603bfdcd5c99ddc53b3e9aee743ded71cf0b7a8e |
Coding | codecontest | Write Python code to solve the task.
Consider a long corridor which can be divided into n square cells of size 1 × 1. These cells are numbered from 1 to n from left to right.
There are two people in this corridor, a hooligan and a security guard. Initially, the hooligan is in the a-th cell, the guard is in the b-th ce... | Step 1: To maximize the number of firecrackers that can explode before the hooligan is caught, we need to find the optimal strategy for the hooligan.
Step 2: We should start by calculating the time taken for the guard to reach the hooligan's initial position.
Step 3: Then we can simulate the movement of the hooligan... | 94d93b41525d4f3be762494971215123a970f3ca9df2587685d42a545a17fcf1_1_1 | ce483753f4ebe0dcd75d5541944af245531fb88a5028ebb929a50ff0c99e1dfa |
Coding | codecontest | Write Python code to solve the task.
Consider a long corridor which can be divided into n square cells of size 1 × 1. These cells are numbered from 1 to n from left to right.
There are two people in this corridor, a hooligan and a security guard. Initially, the hooligan is in the a-th cell, the guard is in the b-th ce... | Step 1:
The given problem is to calculate the maximum number of firecrackers that the hooligan can explode before he is caught when he acts optimally. To solve this, we need to consider the location of the hooligan and the guard, the time it takes for each firecracker to explode, and the sequence of moves and actions.... | ad44b84c78a52e03a8b9fe47dac40036380159755948823466e2bb9e5d00455e_1_1 | ce483753f4ebe0dcd75d5541944af245531fb88a5028ebb929a50ff0c99e1dfa |
Coding | codecontest | Write Python code to solve the task.
Bash wants to become a Pokemon master one day. Although he liked a lot of Pokemon, he has always been fascinated by Bulbasaur the most. Soon, things started getting serious and his fascination turned into an obsession. Since he is too young to go out and catch Bulbasaur, he came up ... | Step 1: We need to find how many times we can form the word "Bulbasaur" from the given string.
Step 2: We can start by creating a dictionary to count the frequency of each letter in the string.
Step 3: Then we can use the counts of individual letters to determine how many times the word "Bulbasaur" can be formed.
St... | 05047ccb80ebc1b3d99f59a36a80b47fefbdbd2b20aa80b7eb197e7307e55a27_1_1 | 8aa0597ffb0e6625b488fb61c8435b7121b8f37bfab851fda4797d1f2cca391c |
Coding | codecontest | Write Python code to solve the task.
Bash wants to become a Pokemon master one day. Although he liked a lot of Pokemon, he has always been fascinated by Bulbasaur the most. Soon, things started getting serious and his fascination turned into an obsession. Since he is too young to go out and catch Bulbasaur, he came up ... | Step 1: We need to count the number of occurrences of the word "Bulbasaur" in the given text.
Step 2: We should consider both upper and lower case letters as different and we need to account for the frequency of each letter in the word "Bulbasaur".
Step 3: We can use a dictionary to keep track of the count of each l... | c3b12bdf64f8fc82162c8f3e1aeffc1eb627e437ba0db83e044aff83a888ac9e_1_1 | 8aa0597ffb0e6625b488fb61c8435b7121b8f37bfab851fda4797d1f2cca391c |
Coding | codecontest | Write Python code to solve the task.
Digits Are Not Just Characters
Mr. Manuel Majorana Minore made a number of files with numbers in their names. He wants to have a list of the files, but the file listing command commonly used lists them in an order different from what he prefers, interpreting digit sequences in them... | Step 1: We need to compare the file names and determine their order based on their interpretation as numeric values.
Step 2: We can start by creating a function to parse the file names into numeric and letter items, and then compare them based on the order specified.
Step 3: We also need to consider the case where o... | 8e60d6c1983ce35efcd85aec2780b050444c9f7bb98541a1f4f88c37310992b2_1_1 | 3b4a07152e3e8d2391a59b9810d3964821c7827b0c14be4ecde46a475966b1e8 |
Coding | codecontest | Write Python code to solve the task.
Digits Are Not Just Characters
Mr. Manuel Majorana Minore made a number of files with numbers in their names. He wants to have a list of the files, but the file listing command commonly used lists them in an order different from what he prefers, interpreting digit sequences in them... | Step 1: We need to compare the given file names and decide their order based on certain rules.
Step 2: We can start by defining a custom comparison function that follows the specified rules for ordering file names.
Step 3: This function should compare the file names item by item, considering both letter items and nu... | 8b241f8e1b9a5e57652d37a88faf4da139c560394cc2adca35b476cdbdf6893f_1_1 | 3b4a07152e3e8d2391a59b9810d3964821c7827b0c14be4ecde46a475966b1e8 |
Coding | codecontest | Write Python code to solve the task.
Polycarp took n videos, the duration of the i-th video is a_i seconds. The videos are listed in the chronological order, i.e. the 1-st video is the earliest, the 2-nd video is the next, ..., the n-th video is the last.
Now Polycarp wants to publish exactly k (1 ≤ k ≤ n) posts in In... | Step 1: We need to find such positive integer values s1, s2, ..., sk that satisfy all the given conditions.
Step 2: The total duration of videos in each post should be the same, and the number of videos in each post should also be determined.
Step 3: We can start by summing the duration of all the videos and then tr... | 70abb7e7104810300ec84bfd48dcea0f3e66449ed00e2bb6db0edb35694eb85d_1_1 | df3c20c9bc33a5ce320ae305d263f26d9768af700616bdec07e7e38a73127438 |
Coding | codecontest | Write Python code to solve the task.
Polycarp took n videos, the duration of the i-th video is a_i seconds. The videos are listed in the chronological order, i.e. the 1-st video is the earliest, the 2-nd video is the next, ..., the n-th video is the last.
Now Polycarp wants to publish exactly k (1 ≤ k ≤ n) posts in In... | Step 1: We need to find a way to partition the videos into k posts such that each post has an equal total duration of videos.
Step 2: First, we should calculate the total duration of all the videos and ensure that it can be divided evenly into k parts.
Step 3: Then, we can iterate through the durations of the videos... | 76f0f7c134fe3082c7cb7f96c530b97c9cc03f65a31f5a002f3d5f44994997f1_1_1 | df3c20c9bc33a5ce320ae305d263f26d9768af700616bdec07e7e38a73127438 |
Coding | codecontest | Write Python code to solve the task.
Manku has still not learnt from KK's hard problem and continues bragging about himself. He claims that he can code problems even in his sleep. So one day Shark wakes him from sleep and asks him to solve a problem.
Shark gives him a number x and another number m and asks him to che... | Step 1: We need to check whether any power of x is divisible by m.
Step 2: We can start by writing a function to calculate the power of x and check if it's divisible by m.
Step 3: Then we can iterate through the test cases and use the function to determine the output for each case.
Step 4: We need to consider the c... | b77a2775452c9b0383af9d2b43460cd722e10c12eeddc8fe0db1da9a57c33c8e_1_1 | 5d137cab420205a6e998ecd2b3d69ec1fb6cb7d942d436c13a90e285fec13c5f |
Coding | codecontest | Write Python code to solve the task.
Manku has still not learnt from KK's hard problem and continues bragging about himself. He claims that he can code problems even in his sleep. So one day Shark wakes him from sleep and asks him to solve a problem.
Shark gives him a number x and another number m and asks him to che... | Step 1: We need to check if any power of x is divisible by m.
Step 2: We can start by creating a function to find the power of x and check if it's divisible by m.
Step 3: The function should take x and m as input and return "YES" if any power of x is divisible by m, otherwise "NO".
Step 4: We should also consider t... | 8073d5f3d0258c5b6be62c614378c3b4c6e28b8eed366d273e970b5b5ff58473_1_1 | 5d137cab420205a6e998ecd2b3d69ec1fb6cb7d942d436c13a90e285fec13c5f |
Coding | codecontest | Write Python code to solve the task.
You are given a marine area map that is a mesh of squares, each representing either a land or sea area. Figure B-1 is an example of a map.
<image>
Figure B-1: A marine area map
You can walk from a square land area to another if they are horizontally, vertically, or diagonally adja... | Step 1: We need to determine the number of islands on the map by identifying connected land areas.
Step 2: We can achieve this by performing a depth-first search for each land area, and marking all connected land areas as visited.
Step 3: We should also account for the boundaries of the map and avoid accessing inval... | 2dc3a7f2ec99ebcd1736656449708baca4c710ed269729cc1d6da87e01b45ea0_1_1 | dabfb5496c1b0277e6642b360c4f97a4fc30318a3b1dd1d08709b94e939af15a |
Coding | codecontest | Write Python code to solve the task.
You are given a marine area map that is a mesh of squares, each representing either a land or sea area. Figure B-1 is an example of a map.
<image>
Figure B-1: A marine area map
You can walk from a square land area to another if they are horizontally, vertically, or diagonally adja... | Step 1: We need to write a program that reads a 2D map and counts the number of islands in the map.
Step 2: Islands are defined as groups of contiguous land areas, where each land area is reachable from any other land area in the group.
Step 3: We can approach this problem with a depth-first search (DFS) algorithm t... | dc45f6580a5ab500c18c60a927587fe6713da18623404ae2e6625b9c5d631806_1_1 | dabfb5496c1b0277e6642b360c4f97a4fc30318a3b1dd1d08709b94e939af15a |
Coding | codecontest | Write Python code to solve the task.
Write a program of a Merge Sort algorithm implemented by the following pseudocode. You should also report the number of comparisons in the Merge function.
Merge(A, left, mid, right)
n1 = mid - left;
n2 = right - mid;
create array L[0...n1], R[0...n2]
for i = 0 to n1-1
do L[i] = A[... | Step 1: We need to implement the Merge Sort algorithm using the given pseudocode.
Step 2: The pseudocode provides the implementation of the Merge function and the Merge-Sort function.
Step 3: We also need to keep track of the number of comparisons made in the Merge function.
Step 4: We can start by implementing the... | e57f8a17bf43bc1d38b1914c9c8d0e272881af239fda871b16747de73961b5df_1_1 | 9d861431ffeedef27aa4b89c9912e0e644ae4bc0d2af737e30bd3e82a72788da |
Coding | codecontest | Write Python code to solve the task.
Write a program of a Merge Sort algorithm implemented by the following pseudocode. You should also report the number of comparisons in the Merge function.
Merge(A, left, mid, right)
n1 = mid - left;
n2 = right - mid;
create array L[0...n1], R[0...n2]
for i = 0 to n1-1
do L[i] = A[... | Step 1: The problem requires us to implement the Merge Sort algorithm and count the number of comparisons made in the Merge function.
Step 2: We can start by implementing the Merge function as described in the pseudocode.
Step 3: The function should merge two sorted arrays within a given array A.
Step 4: We will al... | 59424f2f98be6dabcc5608161744daf5daaf7a9dcc412cd5da2759f2c2d75e18_1_1 | 9d861431ffeedef27aa4b89c9912e0e644ae4bc0d2af737e30bd3e82a72788da |
Coding | codecontest | Write Python code to solve the task.
View Russian Translation
In this problem the goal is to implement a program managing an elevator designed especially for mathematicians.
The elevator can go to any of N floors numbered from 1 to N and it can carry an arbitrary number of people at one time.
Initially the elevator... | Step 1: We need to keep track of the current position of the elevator, the number of people inside, and handle the entry and exit events based on the conditions provided.
Step 2: We can start by creating functions to calculate prime numbers, divisors, and handle the entry and exit events.
Step 3: We should also cons... | 99e945d32b03a6ee3a13a16b7254ded4d35a1ea5b4948850c098b0bac5a1fa80_1_1 | 050589f58abf3d256d0192d0de05f1215d93b81cc2f0ed75c78d31708a77d992 |
Coding | codecontest | Write Python code to solve the task.
View Russian Translation
In this problem the goal is to implement a program managing an elevator designed especially for mathematicians.
The elevator can go to any of N floors numbered from 1 to N and it can carry an arbitrary number of people at one time.
Initially the elevator... | Step 1: To solve this problem, we need to keep track of the current floor and the number of people inside the elevator.
Step 2: We also need to determine the possible events based on the conditions provided.
Step 3: We can create a function to check if a number is prime and another function to check the number of di... | 7284b633d2356079b50a5bb132bc1f83e66daf9ce1d7297e94c0fe8c3c71c9ed_1_1 | 050589f58abf3d256d0192d0de05f1215d93b81cc2f0ed75c78d31708a77d992 |
Coding | codecontest | Write Python code to solve the task.
You are given an equation:
Ax2 + Bx + C = 0.
Your task is to find the number of distinct roots of the equation and print all of them in ascending order.
Input
The first line contains three integer numbers A, B and C ( - 105 ≤ A, B, C ≤ 105). Any coefficient may be equal to 0.
... | Step 1: To find the number of distinct roots of the equation, we can use the quadratic formula: x = (-B ± √(B^2 - 4AC)) / (2A)
Step 2: We need to consider different cases including when A=0, B=0, and the discriminant (B^2 - 4AC) is negative, zero, or positive.
Step 3: Based on the number of distinct roots and their ... | e7b4c897aff46dd859a9e448e38035a2f51a52b94ceffb1434484a04510ad9d5_1_1 | e0bb6936910fea4a3615370d9b39bf9fcb1170699a42bcb463781b01202f31e1 |
Coding | codecontest | Write Python code to solve the task.
You are given an equation:
Ax2 + Bx + C = 0.
Your task is to find the number of distinct roots of the equation and print all of them in ascending order.
Input
The first line contains three integer numbers A, B and C ( - 105 ≤ A, B, C ≤ 105). Any coefficient may be equal to 0.
... | Step 1: To solve this problem, we need to handle different cases for the coefficients of the quadratic equation, A, B, and C.
Step 2: We first check for any special cases, such as infinite roots or no roots, and handle these accordingly.
Step 3: After handling the special cases, we can proceed to calculate the roots... | 994f265d9d22882a18ec38b5d4d3b41b30fb36ee9c82f9190c201da41e8df2e8_1_1 | e0bb6936910fea4a3615370d9b39bf9fcb1170699a42bcb463781b01202f31e1 |
Coding | codecontest | Write Python code to solve the task.
Rupsa recently started to intern under Chef. He gave her N type of ingredients of varying quantity A1, A2, ..., AN respectively to store it. But as she is lazy to arrange them she puts them all in a storage box.
Chef comes up with a new recipe and decides to prepare it. He asks Rup... | Step 1: We need to find the maximum number of times Rupsa would need to pick items from the box in the worst case so that it is guaranteed that she gets at least two units of each type of ingredient.
Step 2: We can start by sorting the quantities of each ingredient in descending order.
Step 3: Then, we can iterate t... | 13a9a60b9c591df1574ba085e118640eb68f8e295ef86cb9c9870d6fa7b0ee7d_1_1 | 4f3a4e149028c8d2eceeada9a7eff58d1937f9cbd9d5bbf5ab7b07940a66f906 |
Coding | codecontest | Write Python code to solve the task.
Rupsa recently started to intern under Chef. He gave her N type of ingredients of varying quantity A1, A2, ..., AN respectively to store it. But as she is lazy to arrange them she puts them all in a storage box.
Chef comes up with a new recipe and decides to prepare it. He asks Rup... | Step 1: One way to approach this problem is to keep track of the maximum occurrence of any ingredient and multiply it by 2, as she needs at least 2 units of each type of ingredient.
Step 2: We also need to consider the scenario where it is impossible to pick items in such a way to get at least 2 units of each type of... | 6888e64e44d6fb63f7e100899e7de2f59da0a17f0879201a62ba0e03c123bcfa_1_1 | 4f3a4e149028c8d2eceeada9a7eff58d1937f9cbd9d5bbf5ab7b07940a66f906 |
Coding | codecontest | Write Python code to solve the task.
Chef likes to travel very much. He plans some travel routes and wants to know their lengths. He hired you to make these calculations. But be careful, some of the routes are incorrect. There may be some misspelling in city names or there will be no road between some two consecutive c... | Step 1: To solve this problem, we need to create a function to calculate the length of a route and check if the route is correct based on the given roads and cities.
Step 2: We also need to account for misspelled cities and repeated cities in the route.
Step 3: We can start by creating a function to check if a route... | 1801cc2efe0b4d7e5d2022dc6acc4f36aa164aacbcaa128549637576c69e5d96_1_1 | fb1236203293f3ca5b58725db83b617f4c422e9be72b86fb43eb4d158bcae881 |
Coding | codecontest | Write Python code to solve the task.
Chef likes to travel very much. He plans some travel routes and wants to know their lengths. He hired you to make these calculations. But be careful, some of the routes are incorrect. There may be some misspelling in city names or there will be no road between some two consecutive c... | Step 1: To solve this problem, we need to parse the input data, create a graph of cities and roads, and then check each travel route for correctness.
Step 2: We can start by creating a function to build the graph of cities and roads with their distances.
Step 3: Then we need to implement a function to check if a rou... | 7aaefc5d02e2987dcc004b9f8b867a5dd54a6d457bd87f0cc17f29037d84d96c_1_1 | fb1236203293f3ca5b58725db83b617f4c422e9be72b86fb43eb4d158bcae881 |
Coding | codecontest | Write Python code to solve the task.
Eleven wants to choose a new name for herself. As a bunch of geeks, her friends suggested an algorithm to choose a name for her. Eleven wants her name to have exactly n characters.
<image>
Her friend suggested that her name should only consist of uppercase and lowercase letters '... | Step 1: We need to generate a name for Eleven by following the rules specified for each letter in the name.
Step 2: We can start by creating a function to determine whether a given index is a member of the Fibonacci sequence.
Step 3: Then we can iterate through the indices and determine the type of letter (uppercase... | fd1019486e1102760a4fda4b0e231bc2474eb4147fcf6e6043189ab2150a47ac_1_1 | 76f0cedaf1295fcc7d310d62d1a0547876d56974623b560e9d9b33ae62ad96fd |
Coding | codecontest | Write Python code to solve the task.
Eleven wants to choose a new name for herself. As a bunch of geeks, her friends suggested an algorithm to choose a name for her. Eleven wants her name to have exactly n characters.
<image>
Her friend suggested that her name should only consist of uppercase and lowercase letters '... | Step 1: We need to generate a string of length n where each character follows the pattern based on whether its position is in the Fibonacci sequence or not.
Step 2: We can start by creating a function to check if a number is in the Fibonacci sequence.
Step 3: Then we can iterate through the range of n and generate t... | 8d24a3cccf7c0c7a0d9d32745f4957b1660290fc729abd77df8d60565f73abd6_1_1 | 76f0cedaf1295fcc7d310d62d1a0547876d56974623b560e9d9b33ae62ad96fd |
Coding | codecontest | Write Python code to solve the task.
Its Alice's birthday and her friend Bob gets him a birthday cake. Its nice delicious circle shaped cake of radius R. Now they need to cut and eat that cake, so Alice fetches a cutter from her kitchen. It is a rectangular cutter of length A and breadth B that would knock of the part... | Step 1: We need to determine who will get more to eat by taking turns to cut and eat the cake using a rectangular cutter.
Step 2: We can calculate the area of the cake and the area of the cutter on each turn to determine who will get more to eat.
Step 3: We need to consider the optimal strategy for both Alice and Bo... | 2d92946637810c427fb84e097e5c627696db260ab90de2f47b13017719648a35_1_1 | d3e255e068b72e389fc2f24dab257a23b1199b9bcffd8f08153dc5b95e72d776 |
Coding | codecontest | Write Python code to solve the task.
Its Alice's birthday and her friend Bob gets him a birthday cake. Its nice delicious circle shaped cake of radius R. Now they need to cut and eat that cake, so Alice fetches a cutter from her kitchen. It is a rectangular cutter of length A and breadth B that would knock of the part... | Step 1: We need to compare the area of the cake that can be cut by the cutter and determine who will eat more.
Step 2: We can calculate the area of the cake and the area of the cutter, then compare the two to determine the result.
Step 3: We should also consider the case when the cutter is larger than the cake and w... | aa3ea822ff2dfa78689362fe070c525fdd1025d7a22c64aa686cfafb01e11157_1_1 | d3e255e068b72e389fc2f24dab257a23b1199b9bcffd8f08153dc5b95e72d776 |
Coding | codecontest | Write Python code to solve the task.
A monster is chasing after Rick and Morty on another planet. They're so frightened that sometimes they scream. More accurately, Rick screams at times b, b + a, b + 2a, b + 3a, ... and Morty screams at times d, d + c, d + 2c, d + 3c, ....
<image>
The Monster will catch them if at ... | Step 1: We need to find the first time Rick and Morty scream at the same time or determine if they will never scream at the same time.
Step 2: To solve this problem, we can simulate their scream times and check when they scream at the same time.
Step 3: We can do this by finding the multiples of a and c and adding b... | dd6e43ab30b359e2bb399482395073e95bed2a0142561dedb9e10808ff84e800_1_1 | 268a50e96d2123a618e309efcca4e4ec8097d59e6a7cd6d6135a6aabbccc03d9 |
Coding | codecontest | Write Python code to solve the task.
A monster is chasing after Rick and Morty on another planet. They're so frightened that sometimes they scream. More accurately, Rick screams at times b, b + a, b + 2a, b + 3a, ... and Morty screams at times d, d + c, d + 2c, d + 3c, ....
<image>
The Monster will catch them if at ... | Step 1: We need to find when Rick and Morty will scream at the same time, or determine if they will never scream at the same time.
Step 2: We can start by calculating the screaming times for Rick and Morty using the given formulas and find the first time they scream at the same time.
Step 3: If we find a time when t... | 2d4c20386f086761efca2eebaa8e7245d09f268ba1e43b31c722e5e51b25c96c_1_1 | 268a50e96d2123a618e309efcca4e4ec8097d59e6a7cd6d6135a6aabbccc03d9 |
Coding | codecontest | Write Python code to solve the task.
Masha works in an advertising agency. In order to promote the new brand, she wants to conclude contracts with some bloggers. In total, Masha has connections of n different bloggers. Blogger numbered i has a_i followers.
Since Masha has a limited budget, she can only sign a contract... | Step 1: We need to find the number of ways to select k bloggers so that the total number of their followers is maximum possible.
Step 2: We can start by sorting the bloggers based on the number of followers.
Step 3: Then we can count the number of ways to select k bloggers with the maximum total number of followers.... | f308da95391e3377e6a1fcfabd59fdceff209b790cb18fc30ba037d6b2aa9061_1_1 | 625f00d63bb234ae142c30ef0e7314a1c4377dd02135ff7f9c2360fb93c1e7b6 |
Coding | codecontest | Write Python code to solve the task.
Masha works in an advertising agency. In order to promote the new brand, she wants to conclude contracts with some bloggers. In total, Masha has connections of n different bloggers. Blogger numbered i has a_i followers.
Since Masha has a limited budget, she can only sign a contract... | Step 1: We need to find all possible combinations of k bloggers that will give the maximum total number of followers.
Step 2: To do this, we can sort the bloggers by the number of followers in descending order.
Step 3: Then we can calculate the total number of ways to select k bloggers from the list by iterating thr... | 85f042327c0acf682fab7c0ef194f30ff2b3e5102f16991a91b87e6570536950_1_1 | 625f00d63bb234ae142c30ef0e7314a1c4377dd02135ff7f9c2360fb93c1e7b6 |
Coding | codecontest | Write Python code to solve the task.
Chilly Willy loves playing with numbers. He only knows prime numbers that are digits yet. These numbers are 2, 3, 5 and 7. But Willy grew rather bored of such numbers, so he came up with a few games that were connected with them.
Chilly Willy wants to find the minimum number of len... | Step 1: We need to find the smallest number of length n that is divisible by 2, 3, 5, and 7.
Step 2: We should consider the constraints of the input and the potential edge cases such as when the number doesn't exist.
Step 3: We can use brute force to find the smallest number, but we should optimize the solution to a... | 27d8f36b0327c7627d101097e8101f24fdfec047a1133d8859f1ae32e612afde_1_1 | f1aae197b4f00f434908a6a5fb58e32f9b3a65d42f3d1164f96145c2840a6357 |
Coding | codecontest | Write Python code to solve the task.
Chilly Willy loves playing with numbers. He only knows prime numbers that are digits yet. These numbers are 2, 3, 5 and 7. But Willy grew rather bored of such numbers, so he came up with a few games that were connected with them.
Chilly Willy wants to find the minimum number of len... | Step 1: We need to find the minimum number of length n that is simultaneously divisible by 2, 3, 5, and 7.
Step 2: We can start by checking the divisibility of numbers starting from the smallest possible n-digit number.
Step 3: If a number is found that is divisible by all 4 primes, we output that number.
Step 4: I... | be7e382e01b9d00d6cc791585cce21c7aed59fc8c23a90baa0b698d9409c3504_1_1 | f1aae197b4f00f434908a6a5fb58e32f9b3a65d42f3d1164f96145c2840a6357 |
Coding | codecontest | Write Python code to solve the task.
There is a new magician in town. His trick is known as "Find the Ring".
He puts 3 glasses at 3 spots on the table, labeling them as 0, 1 and 2. Now, he hides a ring under one of the glasses. The glasses are opaque and placed upside down, so that the ring is not visible to the audie... | Step 1: We need to calculate the probability of the ring ending up at each index after a certain number of swaps.
Step 2: We can calculate the probabilities for each index based on the initial index and the number of swaps made.
Step 3: We should then compare the probabilities and choose the index with the highest p... | 3ce8f8c988a646cd715079a85313290165891933102d20d2333bfb9f3383e38a_1_1 | fb1e0599072882bb0c3574c258b6581d34613493b789060679ec99f7f0120536 |
Coding | codecontest | Write Python code to solve the task.
There is a new magician in town. His trick is known as "Find the Ring".
He puts 3 glasses at 3 spots on the table, labeling them as 0, 1 and 2. Now, he hides a ring under one of the glasses. The glasses are opaque and placed upside down, so that the ring is not visible to the audie... | Step 1: We need to find the index of the glass that is most likely to have the ring at the end, given the initial position of the ring and the number of swaps.
Step 2: We can calculate the probability of the ring ending up at each index after the given number of swaps.
Step 3: Then, we can select the index with the ... | 64e167ac5a51e60674691adfca6eee3151f6757dc34f4d22e3997e41e1ca4592_1_1 | fb1e0599072882bb0c3574c258b6581d34613493b789060679ec99f7f0120536 |
Coding | codecontest | Write Python code to solve the task.
For years, the Day of city N was held in the most rainy day of summer. New mayor decided to break this tradition and select a not-so-rainy day for the celebration. The mayor knows the weather forecast for the n days of summer. On the i-th day, a_i millimeters of rain will fall. All ... | Step 1: We need to find the earliest not-so-rainy day of summer based on the given constraints.
Step 2: We can start by iterating through each day and checking if it's a not-so-rainy day based on the given conditions.
Step 3: We also need to consider the x days before and y days after the current day and compare the... | 81d6dbab549b6502d90bbc9181268bdbd0002190a1a2903d23620bfffca4aebe_1_1 | bd683ce406a4d322c7ad11d6ce101ea3c3808260d6ecd486a588209fb2ff7c87 |
Coding | codecontest | Write Python code to solve the task.
For years, the Day of city N was held in the most rainy day of summer. New mayor decided to break this tradition and select a not-so-rainy day for the celebration. The mayor knows the weather forecast for the n days of summer. On the i-th day, a_i millimeters of rain will fall. All ... | Step 1: We need to find the earliest not-so-rainy day of summer based on the given weather forecast.
Step 2: To do this, we need to iterate through each day and check if each a_d is smaller than rain amounts at each of x days before day d and each of y days after day d.
Step 3: We can use a windowing approach to che... | 051a1b7468df60aa10ecdaab0a4c00569998b6fa79148b5c75b1a98080b5100c_1_1 | bd683ce406a4d322c7ad11d6ce101ea3c3808260d6ecd486a588209fb2ff7c87 |
Coding | codecontest | Write Python code to solve the task.
The Greatest Secret Ever consists of n words, indexed by positive integers from 1 to n. The secret needs dividing between k Keepers (let's index them by positive integers from 1 to k), the i-th Keeper gets a non-empty set of words with numbers from the set Ui = (ui, 1, ui, 2, ..., u... | Step 1: To find the partition of the set of words into subsets such that the secret is safe, we need to first check if it's possible to create a safe partition.
Step 2: We can start by checking if it's possible to satisfy the conditions for a safe secret by analyzing the given n and k.
Step 3: If it's not possible t... | 5277ee7798bee0dd6ffd14a28b0ed5e0df0a21b9f111666b2c75c1ffe206076e_1_1 | 183911320ee47319e881a3daec8384f755f5f06feda4b1b1d6b517a72c6e3c1a |
Coding | codecontest | Write Python code to solve the task.
The Greatest Secret Ever consists of n words, indexed by positive integers from 1 to n. The secret needs dividing between k Keepers (let's index them by positive integers from 1 to k), the i-th Keeper gets a non-empty set of words with numbers from the set Ui = (ui, 1, ui, 2, ..., u... | Step 1: We need to divide the words into subsets for each keeper while satisfying the given conditions.
Step 2: We can start by creating a function to check if a set of elements forms an arithmetic progression.
Step 3: Then we can generate subsets for each keeper while ensuring that the intersection of sets is empty... | 9c87cd5a9dfb21ff885e0981d48995be3f6bc3fe03bfd274b9c3d98581af89cd_1_1 | 183911320ee47319e881a3daec8384f755f5f06feda4b1b1d6b517a72c6e3c1a |
Coding | codecontest | Write Python code to solve the task.
A necklace can be described as a string of links ('-') and pearls ('o'), with the last link or pearl connected to the first one.
<image>
You can remove a link or a pearl and insert it between two other existing links or pearls (or between a link and a pearl) on the necklace. This ... | Step 1: We need to check if the number of links between adjacent pearls can be made equal by moving the links and pearls around.
Step 2: We can start by counting the number of links and pearls in the given necklace.
Step 3: Then we need to find the maximum number of links between any two adjacent pearls in the neckl... | 3f3cb611ae4b11c2494c34170a8ae5fb5809f4893a5cd9bb4c6b12db2944d723_1_1 | 06e43a6ccd3281f1d45581b5f0a2c9f0294584d334bd7a0658b8e40361279f27 |
Coding | codecontest | Write Python code to solve the task.
A necklace can be described as a string of links ('-') and pearls ('o'), with the last link or pearl connected to the first one.
<image>
You can remove a link or a pearl and insert it between two other existing links or pearls (or between a link and a pearl) on the necklace. This ... | Step 1: We need to determine if it's possible to rearrange the necklace so that the number of links between each pair of adjacent pearls is equal.
Step 2: One approach is to simulate the process of rearranging the necklace and checking if the condition is satisfied.
Step 3: We could consider the number of links and ... | 14faaa9590ad877d0f080f536a085968b4a06fd7185a53ea2ca9d078bb29748f_1_1 | 06e43a6ccd3281f1d45581b5f0a2c9f0294584d334bd7a0658b8e40361279f27 |
Coding | codecontest | Write Python code to solve the task.
This morning Tolik has understood that while he was sleeping he had invented an incredible problem which will be a perfect fit for Codeforces! But, as a "Discuss tasks" project hasn't been born yet (in English, well), he decides to test a problem and asks his uncle.
After a long ti... | Step 1: We need to visit each cell exactly once and use each vector exactly once while making jumps.
Step 2: We can start by considering the rules for making jumps and how they affect the order of visiting cells.
Step 3: We can also consider different cases and constraints for the cell field. For example, if the num... | fa413c1fe00c271991564e9b5342b450a64f7a9a56fcefe56905f476fef5e0b1_1_1 | ea8c7e85cdb2fa9bb5e511869c59d5d07593544197fc0d68da6af569c5cb3a09 |
Coding | codecontest | Write Python code to solve the task.
This morning Tolik has understood that while he was sleeping he had invented an incredible problem which will be a perfect fit for Codeforces! But, as a "Discuss tasks" project hasn't been born yet (in English, well), he decides to test a problem and asks his uncle.
After a long ti... | Step 1: We need to visit each cell of the field exactly once using unique vectors for each move.
Step 2: We can start by creating a grid of size n x m to represent the field.
Step 3: We can then define the possible vectors that can be used to move to adjacent cells.
Step 4: We need to come up with a plan to ensure ... | 4910783fcfa91a4fb98f16f7cbec47e3b479fee5e020b0868e192572910697e0_1_1 | ea8c7e85cdb2fa9bb5e511869c59d5d07593544197fc0d68da6af569c5cb3a09 |
Coding | codecontest | Write Python code to solve the task.
This is yet another problem dealing with regular bracket sequences.
We should remind you that a bracket sequence is called regular, if by inserting «+» and «1» into it we can get a correct mathematical expression. For example, sequences «(())()», «()» and «(()(()))» are regular, wh... | Step 1: We need to find the longest substring that forms a regular bracket sequence and count the number of such substrings.
Step 2: A regular bracket sequence can be computed by inserting "+" and "1" into it to form a correct mathematical expression.
Step 3: We can start by iterating through the string and keeping ... | dd01a163a22ee4b000d19cfc4759ef2f724faaedda3e80a801e091718aef3ea1_1_1 | 2521180b6c8c5dc2fe211f4f37e432eedc63f505135edf2124115e8ad825e0ae |
Coding | codecontest | Write Python code to solve the task.
This is yet another problem dealing with regular bracket sequences.
We should remind you that a bracket sequence is called regular, if by inserting «+» and «1» into it we can get a correct mathematical expression. For example, sequences «(())()», «()» and «(()(()))» are regular, wh... | Step 1: We need to find the longest substring of the input string that forms a regular bracket sequence and count the number of such substrings.
Step 2: We can start by iterating through the input string and keeping track of the open and close brackets.
Step 3: We could use a stack to keep track of the positions of ... | 3d61778118878709fde9bd09e03ff45f8a76d905ab7e83c75efbbbc51620c9cb_1_1 | 2521180b6c8c5dc2fe211f4f37e432eedc63f505135edf2124115e8ad825e0ae |
Coding | codecontest | Write Python code to solve the task.
You are a coach at your local university. There are n students under your supervision, the programming skill of the i-th student is a_i.
You have to form k teams for yet another new programming competition. As you know, the more students are involved in competition the more probabl... | Step 1: To maximize the total number of students in no more than k non-empty balanced teams, we need to find the maximum number of students that can be divided into k teams.
Step 2: We can start by sorting the students' programming skills.
Step 3: Then we can use dynamic programming to find the maximum number of stu... | 3daa17c896d3508c03580768f3e03fa8920303c7dd9a090695df0d42c0a15d5b_1_1 | 7d478d20b00e23de669dcba91a19517ac69985e3c4f39b6851a63488c8ada444 |
Coding | codecontest | Write Python code to solve the task.
You are a coach at your local university. There are n students under your supervision, the programming skill of the i-th student is a_i.
You have to form k teams for yet another new programming competition. As you know, the more students are involved in competition the more probabl... | Step 1: We need to form teams with a maximum number of students that are balanced in terms of programming skills.
Step 2: One approach is to sort the students by their programming skills so that we can easily form balanced teams.
Step 3: Then we can use dynamic programming to find the maximum possible total number o... | 968bc896b1c80046a7975e033b5a8a8674cc26ee49a78d3a2c72512ef7728744_1_1 | 7d478d20b00e23de669dcba91a19517ac69985e3c4f39b6851a63488c8ada444 |
Coding | codecontest | Write Python code to solve the task.
Peter visited Big Bazar and he was very delighted to know the Loot offer on marbles. The offer was that, If he buys a marble with price p', then he will get all other marbles whose price lies between [p′,p′+4] (both inclusive) in free of cost. Suppose there are N marbles and their p... | Step 1: We need to find an optimal way for Peter to take all marbles to his home, given the price range for the loot offer.
Step 2: One way to approach this problem is to sort the array of marble prices and then iterate through the sorted array to find the optimal selection of marbles based on the loot offer.
Step 3:... | 21e5b409757459e24e27a79e5f3c29a2768f66989e5c13694a020efa79f097f5_1_1 | b69b659b2c8ab17df43bb575419dee05acc93ac6a6c18164fb50fefd5acb8810 |
Coding | codecontest | Write Python code to solve the task.
Peter visited Big Bazar and he was very delighted to know the Loot offer on marbles. The offer was that, If he buys a marble with price p', then he will get all other marbles whose price lies between [p′,p′+4] (both inclusive) in free of cost. Suppose there are N marbles and their p... | Step 1: We need to find the optimal way for Peter to buy marbles to get the maximum number of marbles for free.
Step 2: We can start by sorting the array of marble prices so that we can easily find the marbles that are within the price range.
Step 3: Then, we can iterate through the sorted array, keeping track of th... | 35aa7786a93d598a309e361d09750ce8420824184800f39abea3c8aa8a7e971c_1_1 | b69b659b2c8ab17df43bb575419dee05acc93ac6a6c18164fb50fefd5acb8810 |
Coding | codecontest | Write Python code to solve the task.
Takahashi, Aoki and Snuke love cookies. They have A, B and C cookies, respectively. Now, they will exchange those cookies by repeating the action below:
* Each person simultaneously divides his cookies in half and gives one half to each of the other two persons.
This action will... | Step 1: We need to find the number of times the action of dividing the cookies in half and giving one half to each of the other two persons will be performed.
Step 2: We can start by finding the smallest number of cookies among the three persons and check if it is odd or even.
Step 3: If the smallest number of cooki... | b182cb1bf313dc4873be3cf689bad04e7de048ec25827a107cad54fe41048bcc_1_1 | da00f27dd7f9227c4cfa9f2412949be4a1bc4cb6e671d493a38ed2043e8ec052 |
Coding | codecontest | Write Python code to solve the task.
Takahashi, Aoki and Snuke love cookies. They have A, B and C cookies, respectively. Now, they will exchange those cookies by repeating the action below:
* Each person simultaneously divides his cookies in half and gives one half to each of the other two persons.
This action will... | Step 1: We need to repeatedly divide the cookies in half and give one half to each of the other two persons until there is a person with an odd number of cookies.
Step 2: The action will be repeated until there is a person with an odd number of cookies or until the number of actions becomes infinite.
Step 3: Let's f... | e092a1cbeb885a8b36e51f9e5d3481f4e2002e32e0074de8b230fdce790a50f1_1_1 | da00f27dd7f9227c4cfa9f2412949be4a1bc4cb6e671d493a38ed2043e8ec052 |
Coding | codecontest | Write Python code to solve the task.
A social network for dogs called DH (DogHouse) has k special servers to recompress uploaded videos of cute cats. After each video is uploaded, it should be recompressed on one (any) of the servers, and only after that it can be saved in the social network.
We know that each server ... | Step 1: We need to consider the time each video is uploaded and how long it takes to recompress the video on the servers.
Step 2: We also need to keep track of the order in which the videos are being recompressed and handle the queue of videos waiting for available servers.
Step 3: We can start by creating a functio... | 831c390b48c9dd85d5de20f24de977506e608a0d77ec06d7d63338406f1135f0_1_1 | 2f6cc5733039ae907c3d4b5c9d66f017f739292829f0cc7e9e85e81938957665 |
Coding | codecontest | Write Python code to solve the task.
A social network for dogs called DH (DogHouse) has k special servers to recompress uploaded videos of cute cats. After each video is uploaded, it should be recompressed on one (any) of the servers, and only after that it can be saved in the social network.
We know that each server ... | Step 1: We need to keep track of the recompression time for each video based on the server availability.
Step 2: We can start by sorting the videos based on their upload time.
Step 3: Then we can use a priority queue to keep track of the available servers and their next available time.
Step 4: As we iterate through... | fc9f0347c462b180efa6afe5779500fa1df975c43a131c3eb67187fc530e8172_1_1 | 2f6cc5733039ae907c3d4b5c9d66f017f739292829f0cc7e9e85e81938957665 |
Coding | codecontest | Write Python code to solve the task.
Perhaps many have heard that the World Biathlon Championship has finished. Although our hero Valera was not present at this spectacular event himself and only watched it on TV, it excited him so much that he decided to enroll in a biathlon section.
Of course, biathlon as any sport,... | Step 1: Given a list of targets and shots, we need to determine which targets are hit by the shots, and the order of the first successful shot for each target.
Step 2: We can start by defining a function to check if a shot is within a target's circle.
Step 3: Then, we can iterate through the shots and determine whic... | 58d0c3cdfda0f54d106e329d558e56ab3c5c0312be7ca14eaf29b819a87a1926_1_1 | 19623a71f3530a1dc0bf5a6e6435813a6ecc223d6b75436569c7fbde101c06e1 |
Coding | codecontest | Write Python code to solve the task.
Perhaps many have heard that the World Biathlon Championship has finished. Although our hero Valera was not present at this spectacular event himself and only watched it on TV, it excited him so much that he decided to enroll in a biathlon section.
Of course, biathlon as any sport,... | Step 1: We need to determine which targets Valera hit with his shots and return the first successful shot for each target or -1 if the target was not hit.
Step 2: We can start by creating a function to determine if a shot hits a given target.
Step 3: Then we can iterate through each shot and check if it hits any tar... | dd2ccda5281ab912e6a69f2d2673fbf322743e3625aa08f38c5b19a27d3ae6f9_1_1 | 19623a71f3530a1dc0bf5a6e6435813a6ecc223d6b75436569c7fbde101c06e1 |
Coding | codecontest | Write Python code to solve the task.
You've got array a[1], a[2], ..., a[n], consisting of n integers. Count the number of ways to split all the elements of the array into three contiguous parts so that the sum of elements in each part is the same.
More formally, you need to find the number of such pairs of indices i... | Step 1: We need to find the number of ways to split the array into three parts with the same sum.
Step 2: One approach is to iterate through each possible pair of indices (i, j), where 2 ≤ i ≤ j ≤ n - 1 and check if the sum of the elements in the three parts is the same.
Step 3: We also need to consider edge cases, ... | aeee8322cda61fe50bd9a767e8a7b4e2d049e37eb2682d7c77056ff9140432e0_1_1 | 5aa8d8582f572f6940f41a7dd2d4f8c5919df1c7a381c640783eed7775f43ae7 |
Coding | codecontest | Write Python code to solve the task.
You've got array a[1], a[2], ..., a[n], consisting of n integers. Count the number of ways to split all the elements of the array into three contiguous parts so that the sum of elements in each part is the same.
More formally, you need to find the number of such pairs of indices i... | Step 1: We need to find the number of ways to split the array into three parts with the same sum.
Step 2: One approach is to iterate through each possible pair of indices (i, j) and check if the sum of elements in the three parts is the same.
Step 3: We should also consider the edge cases and constraints provided in... | 7077ea05e68ad560ad6c22bfcaaf248386b0e71fadcd8b62aa7c3ac69662784f_1_1 | 5aa8d8582f572f6940f41a7dd2d4f8c5919df1c7a381c640783eed7775f43ae7 |
Coding | codecontest | Write Python code to solve the task.
Oleg the bank client checks share prices every day. There are n share prices he is interested in. Today he observed that each second exactly one of these prices decreases by k rubles (note that each second exactly one price changes, but at different seconds different prices can chan... | Step 1: We need to find the minimum time needed for all the share prices to become equal, or determine if it is impossible.
Step 2: We can start by creating a function to find the minimum time for the prices to become equal.
Step 3: Then we can iterate through the share prices, checking if it's possible for the pric... | b06bf5934b43ce348cb9d9eb302eb0178f9a0c5c617dc393729e49121ed9745f_1_1 | 618a394d25b0db6b8b32fa31f8c121a4cb4e4a64a0284c2f8045ac23407003ef |
Coding | codecontest | Write Python code to solve the task.
Oleg the bank client checks share prices every day. There are n share prices he is interested in. Today he observed that each second exactly one of these prices decreases by k rubles (note that each second exactly one price changes, but at different seconds different prices can chan... | Step 1: We need to find the minimum time needed for all share prices to become equal, given that each second exactly one price decreases by k rubles.
Step 2: We can start by finding the minimum initial price, then check if it is possible for all prices to become equal.
Step 3: We can calculate the difference between... | 45add6b73d57cf0b590fa6b15ba9dd0f45488abca7514a613b6aa772e34e7226_1_1 | 618a394d25b0db6b8b32fa31f8c121a4cb4e4a64a0284c2f8045ac23407003ef |
Coding | codecontest | Write Python code to solve the task.
There is a kingdom, that has a long straight road of length L meters and width 0. Coordinate x on the road denotes point that is at x meters from the start of the road. That is coordinate 0 denotes beginning of the road and coordinate L denotes end of the road. The road has to be pa... | Step 1: We need to find the minimum cost required to paint the entire road, or determine if it's impossible to paint the entire road.
Step 2: To solve this problem, we should consider the overlapping paint proposals and how they affect the cost and the ability to paint the entire road.
Step 3: We also need to handle... | 98cae5886e91d57c07394e47eb6fa90dcd742aa9c6322332ffa5337c621f399e_1_1 | c0627f569069d10c3327090c2941d8eed289b76c1257d4b437650c9fc55cd61e |
Coding | codecontest | Write Python code to solve the task.
There is a kingdom, that has a long straight road of length L meters and width 0. Coordinate x on the road denotes point that is at x meters from the start of the road. That is coordinate 0 denotes beginning of the road and coordinate L denotes end of the road. The road has to be pa... | Step 1: We need to find the minimum cost required to paint the entire road.
Step 2: We should consider the proposals and the cost for painting different parts of the road.
Step 3: We can iterate through the road and implement a dynamic programming approach to keep track of the minimum cost to paint the road up to e... | 2bb11a4204e1c5508589e07c1344c3f097037a65e5e12774131dbd1f16f58b9d_1_1 | c0627f569069d10c3327090c2941d8eed289b76c1257d4b437650c9fc55cd61e |
Coding | codecontest | Write Python code to solve the task.
Shil has a permutation p1 , p2 .. pN of numbers from 1 to N and M queries. Each query consists of two integers l and r . Answer to each query is total number of pairs[i , j] such that l ≤ i ≤ j ≤ r and|pi - pj| ≤ D.
INPUT:
First line consists of three integers N, M and D. Next li... | Step 1: To solve this problem, we need to iterate through each query and calculate the total number of pairs that satisfy the given conditions.
Step 2: We can start by defining a function to calculate the total number of pairs for a single query.
Step 3: Then we can iterate through the queries and apply the function... | 1e856da79a5b9b62010a275098c77194fc1290cf97fd12581216f1b18d6baf4a_1_1 | 24d21a8199ef9cfe809c0ce3132ecd1dc7fa3afd89dc930627e85a1df1e49389 |
Coding | codecontest | Write Python code to solve the task.
Shil has a permutation p1 , p2 .. pN of numbers from 1 to N and M queries. Each query consists of two integers l and r . Answer to each query is total number of pairs[i , j] such that l ≤ i ≤ j ≤ r and|pi - pj| ≤ D.
INPUT:
First line consists of three integers N, M and D. Next li... | Step 1: We need to calculate the total number of pairs that satisfy the given condition for each query.
Step 2: To do this, we can iterate through the permutation array and for each pair of numbers, check if |pi - pj| <= D.
Step 3: We also need to account for the constraints of l and r for each query.
Step 4: We ca... | f8672e4f2edd665dffcecdb67d8b0ca13094a2046623373c4a8d8043a0f8fcb2_1_1 | 24d21a8199ef9cfe809c0ce3132ecd1dc7fa3afd89dc930627e85a1df1e49389 |
Coding | codecontest | Write Python code to solve the task.
Joisino the magical girl has decided to turn every single digit that exists on this world into 1.
Rewriting a digit i with j (0≤i,j≤9) costs c_{i,j} MP (Magic Points).
She is now standing before a wall. The wall is divided into HW squares in H rows and W columns, and at least one ... | Step 1: To solve this problem, we need to consider the cost of rewriting each digit to 1.
Step 2: We also need to find the minimum total amount of MP required to turn every digit on the wall into 1.
Step 3: We can do this by considering all possible combinations of rewriting the digits and finding the minimum cost.
... | 1262befc1ed7edb2cbfa2f584b5d64d5180486c200791b492d31c6effde1b32d_1_1 | 755c3479f8130d365458aa143c7881c45e2fdb38d4c8866ae59f6f1e42b3e501 |
Coding | codecontest | Write Python code to solve the task.
Joisino the magical girl has decided to turn every single digit that exists on this world into 1.
Rewriting a digit i with j (0≤i,j≤9) costs c_{i,j} MP (Magic Points).
She is now standing before a wall. The wall is divided into HW squares in H rows and W columns, and at least one ... | Step 1: We need to find the minimum total amount of MP required to turn every digit on the wall into 1 in the end.
Step 2: We can do this by calculating the minimum cost to change each digit to 1 and then summing these costs.
Step 3: We should consider the constraints and ensure that the solution works for a grid wi... | 7234c7e093a435392b682f4e7ba616020a2173f12440c4f02c7e790754bec5bf_1_1 | 755c3479f8130d365458aa143c7881c45e2fdb38d4c8866ae59f6f1e42b3e501 |
Coding | codecontest | Write Python code to solve the task.
You are given the array a consisting of n positive (greater than zero) integers.
In one move, you can choose two indices i and j (i ≠ j) such that the absolute difference between a_i and a_j is no more than one (|a_i - a_j| ≤ 1) and remove the smallest of these two elements. If two... | Step 1: We need to check if it's possible to obtain an array with only one element by removing elements based on the given conditions.
Step 2: We can start by iterating through the array and checking if there are any adjacent elements with a difference of more than 1.
Step 3: If there are such elements, we need to c... | d4800082907653d51ede4c4ac1d3f02acf65c04951f443530fef97d7326ea7dc_1_1 | 5376b4b658ca5e048f1e92e146b03ba5baede5959e35fe407e160abfaff92a27 |
Coding | codecontest | Write Python code to solve the task.
You are given the array a consisting of n positive (greater than zero) integers.
In one move, you can choose two indices i and j (i ≠ j) such that the absolute difference between a_i and a_j is no more than one (|a_i - a_j| ≤ 1) and remove the smallest of these two elements. If two... | Step 1: We need to determine if it is possible to obtain an array consisting of only one element using several moves that satisfy the given conditions.
Step 2: We can start by checking if there are any consecutive elements with a difference of 1 or no difference at all, as these can be removed to leave a single eleme... | 076cd5a8eeb505cabe17350b6657c5a899daed7258f6a099a121b0b6991ce2cc_1_1 | 5376b4b658ca5e048f1e92e146b03ba5baede5959e35fe407e160abfaff92a27 |
Coding | codecontest | Write Python code to solve the task.
Dima has a hamsters farm. Soon N hamsters will grow up on it and Dima will sell them in a city nearby.
Hamsters should be transported in boxes. If some box is not completely full, the hamsters in it are bored, that's why each box should be completely full with hamsters.
Dima can b... | Step 1: To maximize the number of hamsters transported, Dima should buy boxes of the highest capacity that can completely fill with hamsters without any leftover space.
Step 2: We need to find the type of box and the number of boxes that Dima should buy to transport the maximum number of hamsters.
Step 3: We can sta... | 81321a6c97ff547a1dcdc6243b0295a06a6009f7e3548f11e400eecb2e087fd4_1_1 | 05ed9c891fd6fcbbd7161c4decae87cd7466b46606ef682aee1010e9c77eeadf |
Coding | codecontest | Write Python code to solve the task.
Dima has a hamsters farm. Soon N hamsters will grow up on it and Dima will sell them in a city nearby.
Hamsters should be transported in boxes. If some box is not completely full, the hamsters in it are bored, that's why each box should be completely full with hamsters.
Dima can b... | Step 1: We need to find the type of boxes and the number of boxes of that type that Dima should buy to transport the maximum number of hamsters.
Step 2: To do this, we can iterate through the capacities of boxes and see which type of box can fit the maximum number of hamsters and in which quantity.
Step 3: We can th... | 0be9d13e24a861244ccb51c37abbbc369a71b628c290ef55e34ccc6be13fb696_1_1 | 05ed9c891fd6fcbbd7161c4decae87cd7466b46606ef682aee1010e9c77eeadf |
Coding | codecontest | Write Python code to solve the task.
Somewhere in Andromeda, (yeah our neighbor galaxy!) Mystery Land, is having some signs of life. We just have found stairs there. But with different heights of each step.
Pictorially the stairs are like this:
The width of each step is same W, but for each stair numbered 'i', the t... | Step 1: We need to calculate the total length of carpet needed to cover the stairs, taking into account the width of each step and the different height functions used to calculate the height of each step.
Step 2: We can start by writing a function to calculate the height of each step based on the given function numbe... | 9cfa88e70191f21cbe426ff8e4aa942e7417338313bd42c526aaa673eb3d975e_1_1 | 3109f083b1dcb0c097ad5d12440032ae214f8b63d2a1ba1f66010f2309b72d85 |
Coding | codecontest | Write Python code to solve the task.
Somewhere in Andromeda, (yeah our neighbor galaxy!) Mystery Land, is having some signs of life. We just have found stairs there. But with different heights of each step.
Pictorially the stairs are like this:
The width of each step is same W, but for each stair numbered 'i', the t... | Step 1: We need to calculate the total length of carpet needed to cover the stairs based on the width of the steps and the height of each step.
Step 2: We can start by understanding the two functions used to calculate the height of each step.
Step 3: We can then iterate through the steps and calculate the height of ... | 84ec03b3b9ae6ae6b2beb90fa8626ecc9a5fef5915380b66f7ba6e876be65d50_1_1 | 3109f083b1dcb0c097ad5d12440032ae214f8b63d2a1ba1f66010f2309b72d85 |
Coding | codecontest | Write Python code to solve the task.
There are n houses along the road where Anya lives, each one is painted in one of k possible colors.
Anya likes walking along this road, but she doesn't like when two adjacent houses at the road have the same color. She wants to select a long segment of the road such that no two ad... | Step 1: We need to find the longest segment of the road where no two adjacent houses have the same color.
Step 2: We can iterate through the houses and keep track of the length of the current segment without neighboring houses of the same color.
Step 3: We also need to keep track of the maximum length of such a segm... | 28aa840209b4fc9ad860e9e3460e48c5cc5490c4b5431905a414285ff36ddf7e_1_1 | baaa5ccdf70b8d03bc14a30dcd4fa49fe69fd7ff04faed1da27c746949337e31 |
Coding | codecontest | Write Python code to solve the task.
There are n houses along the road where Anya lives, each one is painted in one of k possible colors.
Anya likes walking along this road, but she doesn't like when two adjacent houses at the road have the same color. She wants to select a long segment of the road such that no two ad... | Step 1: To solve this problem, we need to iterate through the list of colors and find the longest segment where no two adjacent houses have the same color.
Step 2: We can keep track of the current segment length and the maximum segment length seen so far.
Step 3: We should also account for the cases where the segmen... | 866c1491f9cc430146688bb6179a9443dfb61d7cc45ce00569e7d9a3040a5f2e_1_1 | baaa5ccdf70b8d03bc14a30dcd4fa49fe69fd7ff04faed1da27c746949337e31 |
Coding | codecontest | Write Python code to solve the task.
Panda is fond of numbers. Given a number, he subtracts it with squares of any one particular digit of that number to get new numbers. This operation can be applied any number of times (possibly zero) till he obtains a pandatic number. If he is able to reach to a pandatic number then... | Step 1: We need to determine if it's possible to reach a pandatic number by repeatedly subtracting the squares of any one particular digit from the number.
Step 2: We can start by creating a function to check if a number is a pandatic number.
Step 3: Then, we can iterate through the digits of the number, subtracting... | 7286d778bbd3b24d442af958fa8655192cabbad9d7648fe6a1a8910583628508_1_1 | 0e7d019615af6c48be5ae107820f865c3084c6d23f3318754b2b0249c0d14055 |
Coding | codecontest | Write Python code to solve the task.
Panda is fond of numbers. Given a number, he subtracts it with squares of any one particular digit of that number to get new numbers. This operation can be applied any number of times (possibly zero) till he obtains a pandatic number. If he is able to reach to a pandatic number then... | Step 1: We need to check if it's possible to reach a pandatic number by subtracting the squares of any one particular digit of the given number.
Step 2: We can start by writing a function to calculate the squares of any one particular digit of a number.
Step 3: Then we can iterate through the possible operations of ... | d4396a5cc0b51a5859657f1b74cc712c89a336d4f5c4b04e28b6344ba9acdf7e_1_1 | 0e7d019615af6c48be5ae107820f865c3084c6d23f3318754b2b0249c0d14055 |
Coding | codecontest | Write Python code to solve the task.
The teacher gave Anton a large geometry homework, but he didn't do it (as usual) as he participated in a regular round on Codeforces. In the task he was given a set of n lines defined by the equations y = ki·x + bi. It was necessary to determine whether there is at least one point o... | Step 1: We need to determine if there is at least one point of intersection between two lines, strictly inside the strip defined by x1 and x2.
Step 2: We can start by defining a function to check if two lines intersect at a point within the given x1 and x2 range.
Step 3: We should also consider how to determine if t... | 01d8636fc983c5a7eea9dc767952364ba74f02c609e0e32b6144bd38ed145a3f_1_1 | 3ba22b845bccc92cecdd2052859a878ce127ab32a2717341ace321e739ee9a3c |
Coding | codecontest | Write Python code to solve the task.
The teacher gave Anton a large geometry homework, but he didn't do it (as usual) as he participated in a regular round on Codeforces. In the task he was given a set of n lines defined by the equations y = ki·x + bi. It was necessary to determine whether there is at least one point o... | Step 1: We need to determine if there is at least one intersection of two distinct lines inside the specified strip.
Step 2: We can start by creating a function to determine the intersection of two lines.
Step 3: Then we can iterate through all pairs of lines and check for intersections inside the specified strip.
S... | 277e41c3b6030ea68bdff09373929e22a94fec9d90122fb3cc643594a68dcf52_1_1 | 3ba22b845bccc92cecdd2052859a878ce127ab32a2717341ace321e739ee9a3c |
Coding | codecontest | Write Python code to solve the task.
One day Sasha visited the farmer 2D and his famous magnetic farm. On this farm, the crop grows due to the influence of a special magnetic field. Maintaining of the magnetic field is provided by n machines, and the power of the i-th machine is a_i.
This year 2D decided to cultivate... | Step 1: To find the minimum total power, we need to calculate the powers of the machines after reducing the power of one machine and increasing the power of another.
Step 2: We can iterate through each pair of machines and calculate the total power after making the power change.
Step 3: Next, we need to find the min... | 3e05be5a570961a2641aebb4a63d50f5bf3a0c2408b3a9954830080306fff666_1_1 | fe42c466d4a1a7a58291431acb03fa88ab3c76f9c15ccccfe10e0330e6975f9c |
Coding | codecontest | Write Python code to solve the task.
One day Sasha visited the farmer 2D and his famous magnetic farm. On this farm, the crop grows due to the influence of a special magnetic field. Maintaining of the magnetic field is provided by n machines, and the power of the i-th machine is a_i.
This year 2D decided to cultivate... | Step 1: We need to find the minimum total power the farmer can reach by adjusting the powers of the machines.
Step 2: The primary goal is to reduce the power of one machine and increase the power of another machine by a common factor.
Step 3: We can start by finding the factors of each machine's power and calculatin... | c13f21723d638649e74cddf2c055acef72a872f5c39b1d2e6cf8a6d0b0ecdb54_1_1 | fe42c466d4a1a7a58291431acb03fa88ab3c76f9c15ccccfe10e0330e6975f9c |
Coding | codecontest | Write Python code to solve the task.
Alfie was a prisoner in mythland. Though Alfie was a witty and intelligent guy.He was confident of escaping prison.After few days of observation,He figured out that the prison consists of (N × N) cells.i.e The shape of prison was (N × N) matrix. Few of the cells of the prison contai... | Step 1: To solve this problem, we need to find all the unique possible paths that Alfie can take to escape the prison.
Step 2: We can achieve this by using a depth-first search (DFS) algorithm to traverse the matrix and find all possible paths from the starting cell to the end cell while avoiding cells containing mot... | 8335fcfaa3e344666a5260789f6911d7b159938cc571a28a07d919c9fa1bfe27_1_1 | b75dd1f476641a0934d8e05eeb4a066733996135a39440817776880f6cf7d5ad |
Coding | codecontest | Write Python code to solve the task.
Alfie was a prisoner in mythland. Though Alfie was a witty and intelligent guy.He was confident of escaping prison.After few days of observation,He figured out that the prison consists of (N × N) cells.i.e The shape of prison was (N × N) matrix. Few of the cells of the prison contai... | Step 1: To solve this problem, we can use a backtracking algorithm to explore all possible paths from the starting cell to the exit cell, avoiding the cells with motion detectors.
Step 2: We need to keep track of the cells visited during the traversal and ensure that we do not visit cells with motion detectors.
Step ... | b49df1b4ee1f28bfe0ff9695b6287a49e053bdcc5a7946a2e54ae7373f579267_1_1 | b75dd1f476641a0934d8e05eeb4a066733996135a39440817776880f6cf7d5ad |
Coding | codecontest | Write Python code to solve the task.
Vasya has n different points A_1, A_2, … A_n on the plane. No three of them lie on the same line He wants to place them in some order A_{p_1}, A_{p_2}, …, A_{p_n}, where p_1, p_2, …, p_n — some permutation of integers from 1 to n.
After doing so, he will draw oriented polygonal lin... | Step 1: To solve this problem, we need to consider the given coordinates of the points and the string s which determines the orientation of the polygonal line.
Step 2: We should also consider the conditions for the polygonal line to be non-self-intersecting and winding.
Step 3: We can start by finding the direction ... | 4427fbe56fe60c02d5074b101648b5ee095d58179ba3c6bf2119f9d188c8117a_1_1 | 54f1ad945390a3973cad5e5d8c1078f91c3f95d00b5b84c2da912a30f4c16452 |
Coding | codecontest | Write Python code to solve the task.
Vasya has n different points A_1, A_2, … A_n on the plane. No three of them lie on the same line He wants to place them in some order A_{p_1}, A_{p_2}, …, A_{p_n}, where p_1, p_2, …, p_n — some permutation of integers from 1 to n.
After doing so, he will draw oriented polygonal lin... | Step 1: We need to find a permutation of the given points such that the resulting polygonal line meets the specified conditions.
Step 2: To do this, we can iterate through all possible permutations of the points and check if the resulting polygonal line satisfies the conditions.
Step 3: We also need to consider the ... | dfd617c5c22638e023f718bb63f2683756ea64bd3d49262c79dcfcf7856e976f_1_1 | 54f1ad945390a3973cad5e5d8c1078f91c3f95d00b5b84c2da912a30f4c16452 |
Coding | codecontest | Write Python code to solve the task.
A queen is the strongest chess piece. In modern chess the queen can move any number of squares in any horizontal, vertical or diagonal direction (considering that there're no other pieces on its way). The queen combines the options given to the rook and the bishop.
There are m quee... | Step 1: We need to count the number of queens that each queen threatens in each direction (horizontal, vertical, and diagonal).
Step 2: The direction a queen threatens another queen depends on its position relative to the other queen.
Step 3: We can create a function to check the number of threatened queens for each... | 04e8e97ded97f2e4317f0fd1ba6ca1f212ce7ff8e68fbd20b3228acfdebddb0a_1_1 | d72c19ad440e7e2f62b0c50cbd1a7926076c76508ed10bb4086e22208c3e3803 |
Coding | codecontest | Write Python code to solve the task.
A queen is the strongest chess piece. In modern chess the queen can move any number of squares in any horizontal, vertical or diagonal direction (considering that there're no other pieces on its way). The queen combines the options given to the rook and the bishop.
There are m quee... | Step 1: To solve this problem, we need to determine the number of queens that each queen threatens. We can do this by considering all possible directions (horizontal, vertical, and diagonal) and checking if there's another queen in that direction.
Step 2: We can create a function to check the number of threatening qu... | e83394aff8a6c2d0d93462ba2b55c8bc5f0ff1fa4734411fd5b0133a21801527_1_1 | d72c19ad440e7e2f62b0c50cbd1a7926076c76508ed10bb4086e22208c3e3803 |
Coding | codecontest | Write Python code to solve the task.
Once again Tavas started eating coffee mix without water! Keione told him that it smells awful, but he didn't stop doing that. That's why Keione told his smart friend, SaDDas to punish him! SaDDas took Tavas' headphones and told him: "If you solve the following problem, I'll return ... | Step 1: We need to find the 1-based index of the lucky number n among all lucky numbers in increasing order.
Step 2: Lucky numbers are those that only contain the digits 4 and 7.
Step 3: We can start by generating all lucky numbers in increasing order and then finding the index of the given lucky number n.
Step 4: ... | 0524d7d8be9341dd5b8111ecdbf86ee092881995da4f6030116ade359ef8c673_1_1 | f6fba59fd8585fb532c070a8fa60233b10729dfa1692ab0cd7fe82565dfa0fba |
Coding | codecontest | Write Python code to solve the task.
Once again Tavas started eating coffee mix without water! Keione told him that it smells awful, but he didn't stop doing that. That's why Keione told his smart friend, SaDDas to punish him! SaDDas took Tavas' headphones and told him: "If you solve the following problem, I'll return ... | Step 1: We need to find the index of the given lucky number n among all lucky numbers in increasing order.
Step 2: We can start by generating all lucky numbers and then find the index of the given number among them.
Step 3: We need to consider how to efficiently generate all lucky numbers and find the index of the g... | 11126badcea41bd9bf78332d1579fa1cc6baedb85fac1ff9f13e743783a5839b_1_1 | f6fba59fd8585fb532c070a8fa60233b10729dfa1692ab0cd7fe82565dfa0fba |
Coding | codecontest | Write Python code to solve the task.
The arrival times of N trains are given in the format hours : minutes : seconds. However for the sake of simplicity the time is considered only in seconds format i.e., 3600hours + 60minutes + seconds (Let's say this x). Now if x is a prime number, the halt for the train at the stati... | Step 1: To solve this problem, we need to calculate the arrival time of each train in seconds format and determine the halt time based on whether the arrival time is prime, odd, or even.
Step 2: Then we need to keep track of the time intervals where trains are present at the station and calculate the minimum number o... | 9e8df4bbe30579756d938d9a070112b4d14423a8bed00027b873a9d514ea8b29_1_1 | ebfd4b20fecca6e85e0b7c556e77322e541c3dffbb937b1f8e50133c2b8964da |
Coding | codecontest | Write Python code to solve the task.
The arrival times of N trains are given in the format hours : minutes : seconds. However for the sake of simplicity the time is considered only in seconds format i.e., 3600hours + 60minutes + seconds (Let's say this x). Now if x is a prime number, the halt for the train at the stati... | Step 1: We need to calculate the arrival time of each train in seconds and determine the halt time based on whether the number of seconds is prime, odd, or even.
Step 2: Then we can keep track of the time intervals in which the trains are at the station, and calculate the minimum number of platforms needed to accommo... | 3ac4707bdc747077d154f235cd0accda06ec630ff2df301571d8b21bd78f0861_1_1 | ebfd4b20fecca6e85e0b7c556e77322e541c3dffbb937b1f8e50133c2b8964da |
Coding | codecontest | Write Python code to solve the task.
Gandalf the Grey is in trouble as Saurons eye Rearrived in the middle
world. Now he has to prepare for the war, But in order to defeat Sauron
he has to know the power of saurons eye on the day in which he wants to
attack.
According to the Elves(Good Friends of ... | Step 1: We need to find a way to calculate the power of Sauron's Eye on the Nth day based on the given formula.
Step 2: We can start by using a dynamic programming approach to calculate the power on the Nth day.
Step 3: We can create a function to calculate the power based on the formula provided in the problem.
Ste... | e23b4aa4e4ca0cfe55f4f97c52a03500175459faac4a14841c9621c4c0972fe9_1_1 | 283f72eb8099b09c6dd99fe1914049b3d66aa79bf6d5e148bd9c67f72c66dfcc |
Coding | codecontest | Write Python code to solve the task.
Gandalf the Grey is in trouble as Saurons eye Rearrived in the middle
world. Now he has to prepare for the war, But in order to defeat Sauron
he has to know the power of saurons eye on the day in which he wants to
attack.
According to the Elves(Good Friends of ... | Step 1: We need to find the power of Saurons Eye on the nth day based on a specific formula.
Step 2: We can start by creating a function to calculate the power of Saurons Eye for a given day using the given formula.
Step 3: We also need to consider using the modulo operation to handle large values and optimize the s... | c4310401f25c32ede51eae5650efcdd27285fa3f3e110212c2c0082c2efc337f_1_1 | 283f72eb8099b09c6dd99fe1914049b3d66aa79bf6d5e148bd9c67f72c66dfcc |
Coding | codecontest | Write Python code to solve the task.
The circle line of the Berland subway has n stations. We know the distances between all pairs of neighboring stations:
* d1 is the distance between the 1-st and the 2-nd station;
* d2 is the distance between the 2-nd and the 3-rd station;
...
* dn - 1 is the distance betwee... | Step 1: To find the shortest distance between two stations, we can calculate the minimum of the sum of the distances in the clockwise and counterclockwise directions between the two stations.
Step 2: We need to consider the case where the stations are the same and the case where the distance crosses the start station... | f92670dbe2744e5b0673e2bb2847c8c1c88729622b570b24505237cfa72ca5b5_1_1 | 993bf36500fcf452f50e092c3e02789c42f779b3c423fbc0b48aae28c9eeaf09 |
Coding | codecontest | Write Python code to solve the task.
The circle line of the Berland subway has n stations. We know the distances between all pairs of neighboring stations:
* d1 is the distance between the 1-st and the 2-nd station;
* d2 is the distance between the 2-nd and the 3-rd station;
...
* dn - 1 is the distance betwee... | Step 1: We need to find the shortest distance between stations s and t on the circular line.
Step 2: We can start by creating a function to calculate the distance between two stations based on the distances between neighboring stations.
Step 3: Then we can compare the distance from s to t directly and the distance f... | dadb93c77528e0ea243b48919e22984884a67dffb84dcf46e701f812a5f9befc_1_1 | 993bf36500fcf452f50e092c3e02789c42f779b3c423fbc0b48aae28c9eeaf09 |
Coding | codecontest | Write Python code to solve the task.
Recently Duff has been a soldier in the army. Malek is her commander.
Their country, Andarz Gu has n cities (numbered from 1 to n) and n - 1 bidirectional roads. Each road connects two different cities. There exist a unique path between any two cities.
There are also m people livi... | Step 1: To solve this problem, we need to find the path from city v to city u, find all the people living in the cities on that path, and then find the minimum of "a" and the number of people living on that path.
Step 2: We can use a graph data structure to represent the cities and roads, and use DFS to find the path... | fbc38d3e006ac62a27160f08ae8f25cf051f254e97a280deb35502b929de383e_1_1 | 36b9c7ffa6d8065b097eda2dc198619b11fd22d49feb53924dd115c05340791f |
Coding | codecontest | Write Python code to solve the task.
Recently Duff has been a soldier in the army. Malek is her commander.
Their country, Andarz Gu has n cities (numbered from 1 to n) and n - 1 bidirectional roads. Each road connects two different cities. There exist a unique path between any two cities.
There are also m people livi... | Step 1: We need to find the path between 2 given cities, find the people living on that path, and output the minimum number of people along with their IDs.
Step 2: We can start by creating a function to find the path between 2 cities using a graph traversal algorithm, like DFS.
Step 3: Then we can create a function ... | c25f0f84da29fee9cda0edd6ab2f91a925b69c4020125c8e056bf837987a24d5_1_1 | 36b9c7ffa6d8065b097eda2dc198619b11fd22d49feb53924dd115c05340791f |
Coding | codecontest | Write Python code to solve the task.
You have a fence consisting of n vertical boards. The width of each board is 1. The height of the i-th board is a_i. You think that the fence is great if there is no pair of adjacent boards having the same height. More formally, the fence is great if and only if for all indices from... | Step 1: We need to iterate through each query and calculate the minimum number of rubles needed to make the fence great again.
Step 2: We can start by finding the minimum cost to increase the length of each board by 1 such that adjacent boards have different heights.
Step 3: We should consider the cost of increasing... | 4946c31977b12d48f6e314356355eec36d1e1f3d74363aaa77a118a8297f2426_1_1 | 514675a4b6736d1b1c382d84c6cc466d3f63cb75db914380b455d35a9d00eaab |
Coding | codecontest | Write Python code to solve the task.
You have a fence consisting of n vertical boards. The width of each board is 1. The height of the i-th board is a_i. You think that the fence is great if there is no pair of adjacent boards having the same height. More formally, the fence is great if and only if for all indices from... | Step 1: We need to calculate the minimum number of rubles needed to make the fence great again by adjusting the heights of the boards.
Step 2: To solve this, we can iterate through the boards and check if the adjacent boards have the same height.
Step 3: If they do, we can calculate the minimum cost to adjust the he... | 855d9d0825da4e7c8f05b20c81b381b25fe14198b4c39d2e00ba6f0cea392365_1_1 | 514675a4b6736d1b1c382d84c6cc466d3f63cb75db914380b455d35a9d00eaab |
Coding | codecontest | Write Python code to solve the task.
A Martian boy is named s — he has got this name quite recently from his parents for his coming of age birthday. Now he enjoys looking for his name everywhere. If he sees that he can obtain his name from some string by removing zero or more letters (at that, the remaining letters rem... | Step 1: We need to find all the distinct ways to cut the given string t into two parts so that each part makes the Martian boy happy.
Step 2: We can start by checking if the string s is a subsequence of the string t.
Step 3: Then we can iterate through all possible ways to split the string t into two parts and check... | df12fe31b1f031c9978d83b1a156010d335751de70ca3a8443ecf1c0129d761b_1_1 | b324348bfe11b8ce52d7197c9bd0ce80a28b701a469b41361d5fde68bc2a3547 |
Coding | codecontest | Write Python code to solve the task.
A Martian boy is named s — he has got this name quite recently from his parents for his coming of age birthday. Now he enjoys looking for his name everywhere. If he sees that he can obtain his name from some string by removing zero or more letters (at that, the remaining letters rem... | Step 1: We need to find all the possible ways to cut the given string t into two parts such that both parts make s happy.
Step 2: We can start by iterating through all possible positions to split the string t into two parts.
Step 3: For each split position, we can check if the left and right parts concatenated toget... | 75bda8a823f6cfd168670157f582bdc95a48f57a1f4043cc4758679be2d7fc89_1_1 | b324348bfe11b8ce52d7197c9bd0ce80a28b701a469b41361d5fde68bc2a3547 |
Coding | codecontest | Write Python code to solve the task.
After setting up the area and his toys. Chandu is up for playing his very first game. His first game is played on a N X N board with some initial stones placed on each cell. He can move each stone in all four direction i.e up,down, left or right. His target of the game is to move a... | Step 1: To solve this problem, we need to find the minimum number of moves required to move all the stones to the corners of the board.
Step 2: One possible approach is to calculate the distance of each stone from each corner and find the minimum of these distances.
Step 3: We can define a function to calculate the ... | 7b9298cf3d978decec2edd8b94dcfa056c2a0148d100d69a18e026e6f7037d8e_1_1 | ae6858a01d9aa4d551164f743d9b4f5e7e1c1e99a72ff9eeb309c8501e868a65 |
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