[Solution] Rearrange Ranges solution codechef

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Rearrange Ranges solution codechef – Let f([x1,x2,⋯,xk])f([x1,x2,⋯,xk]) be the minimum number of subarrays such that each xixi belongs to exactly one subarray, and it’s possible to arrange the subarrays in a way that makes xx increasing. For example, f([5,4,1,2,3])=3f([5,4,1,2,3])=3 since we can divide xx into three subarrays: [5],[4],[1,2,3][5],[4],[1,2,3] then rearrange them to [1,2,3],[4],[5][1,2,3],[4],[5]. [Solution] Rearrange Ranges solution codechef You are given a permutation PP of length NN. You are also given QQ queries … Read more

[Ans] What language uses inverted question marks?

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[Ans] What language uses inverted question marks? The upside-down or inverted question marks are unique to the Spanish language. The idea makes a lot of sense: when you’re reading in Spanish, you can identify long before the end of a sentence whether you’re dealing with a question, something that isn’t always obvious in English. The … Read more

[Solution] Crazy Substrings solution codechef

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Crazy Substrings solution codechef – Gotham City is the home of Batman, and Batman likes to keep his people together. There are NN houses in the city. The resident of the ithith house is of type AiAi. It is known that people of the same type are friends and people of different types are not friends. [Solution] Crazy Substrings solution … Read more

[Solution] Compress the Video solution codechef

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Compress the Video solution codechef – Chef recorded a video explaining his favorite recipe. However, the size of the video is too large to upload on the internet. He wants to compress the video so that it has the minimum size possible. [Solution] Compress the Video solution codechef Chef’s video has NN frames initially. The value of … Read more

[Solution] Minimize Blocked Roads solution codechef

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Minimize Blocked Roads solution codechef – Given a network of NN cities (numbered from 11 to NN) and (N−1)(N−1) roads arranged in a tree format with the root at city 11. [Solution] Minimize Blocked Roads solution codechef Each of the (N−1)(N−1) roads is assigned a value of either 00 or 11. If the value of a road is 00, it cannot be blocked by the government. If the … Read more

[Solution] Closest Vowels solution codechef

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Closest Vowels solution codechef – Chef considers a string consisting of lowercase English alphabets beautiful if all the characters of the string are vowels. [Solution] Closest Vowels solution codechef Chef has a string SS consisting of lowercase English alphabets, of length NN. He wants to convert SS into a beautiful string TT. In order to do so, Chef does the following operation on every character of the string: If … Read more

[Solution] A or B solution codechef

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A or B solution codechef – There are two problems in a contest. Problem A is worth 500500 points at the start of the contest. Problem B is worth 10001000 points at the start of the contest. [Solution] A or B solution codechef Once the contest starts, after each minute: Maximum points of Problem A reduce by 22 points . Maximum points of Problem B reduce by 44 points. It is … Read more

[Solution] Recent contest problems solution codechef

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Recent contest problems solution codechef – Chef has been participating regularly in rated contests but missed the last two contests due to his college exams. He now wants to solve them and so he visits the practice page to view these problems. [Solution] Recent contest problems solution codechef Given a list of NN problem codes, where each … Read more

[Solution] Chess Ratings solution codechef

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Chess Ratings solution codechef – Alice has recently started playing Chess. Her current rating is XX. She noticed that when she wins a game, her rating increases by 88 points. [Solution] Chess Ratings solution codechef Can you help Alice in finding out the minimum number of games she needs to win in order to make her rating greater than … Read more

[Solution] My very 1st contest! solution codechef

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My very 1st contest! solution codechef – In a contest where NN new users visited the contest, AA users just saw the problems and didn’t make any submissions and hence won’t get any rating. BB users who made a submission but could not solve any problem correctly. Thus, after the contest, they will get a rating in the range 800−1000800−1000. … Read more