Alternate Solution for 1787-G (Colorful Tree Again). It is supported only ICPC mode for virtual contests. The problem statement has recently been changed. However, it requires (n log n) ( n log n) construction time and memory. Weboutput. It is guaranteed that the sum of $$$n$$$ and the sum of $$$q$$$ over all test cases do not exceed $$$1.5 \cdot 10^5$$$. For example, if $$$k=5$$$ then $$$\lfloor\frac{k}{2}\rfloor=\lfloor\frac{5}{2}\rfloor=2$$$. Polycarp hasxdogs andycats. WebIn Search of an Easy Problem. query Santa has $$$n$$$ candies and he wants to gift them to $$$k$$$ kids. You can do binary search to find the farthest place on the queue such that this min is less If you just want to solve some problem from a contest, a virtual contest is not for you - solve this problem in the archive. Mrinal Kanti. #790. Days are $$$1$$$-indexed (numbered $$$1, 2, 3, \ldots$$$). (Sum, minimum, or maximum queries etc across a range), Also, please comment any range query problems below :). Codeforces Round #794 (Div. WebCodeforces / 1676E / eating-queries.cpp Go to file Go to file T; Go to line L; Copy path Copy permalink; This commit does not belong to any branch on this repository, and may belong If you've seen these problems, a virtual contest is not for you - solve these problems in the archive. set A [i] = new_value V. For the fourth test case, Alice will eat candies with weights $$$[7, 3, 20]$$$ and Bob will eat candies with weights $$$[10, 8, 11, 1]$$$, they each eat $$$30$$$ weight. 2) catwine My First Contest in CF . Something went wrong. For the first query, Timur can eat any candy, and he will reach the desired quantity. Queue - Codeforces If you just want to solve some problem from a contest, a virtual contest is not for you - solve this problem in the archive. Anton and Letters Solution, Codeforces 71A Way Too Long Words Solution, Codeforces 977A A. 2) 1684 B - Z Codeforces Round #792 (Div. Codeforces The answer is $$$2$$$ because they eat two candies in total. 1 branch 0 tags. There are $$$n$$$ candies put from left to right on a table. +1. Codeforces Round #790 (Div. E. Eating Queries || Codeforces Round #790 (Div. 4) - YouTube Eating Queries Wait a moment and try again. Problem - 1669F - Codeforces Please Each vertex of the tree has some color. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository. 3) Interesting Facts. For each test case print the answer on it the maximum number of candies Santa can give to kids so that he will be satisfied. Maximum Crossings (Hard Version) Codeforces Solution. Never use someone else's code, read the tutorials or communicate with other person during a virtual contest. For the third query: $$$(1,4)\to(1,5)$$$. WebIn each block, the complexity to solve each block is at most Qu Qr Q u Q r, i.e the number of update queries times the number of range queries. The second line contains $$$n$$$ integers $$$a_1, a_2, \dots, a_n$$$ ($$$1 \leq a_i \leq 10^4$$$) the quantity of sugar in each of the candies respectively. The first line contains two positive integers $$$n$$$, $$$q$$$ ($$$1\le n,q\le 10^5$$$) the length of the sequence $$$a$$$ and the number of the queries. I tried to code it as simple as possible. Codeforces The first query is $$$[3, 8, 9, 10]$$$. Codeforces But i guess some new problems were added or were skipped there. WebCodeforces. WebAll caught up! Alice and Bob eat candies. They want to be fair. The first line contains22integersnandq(1,1.51051n,q1.5105) the number of candies Timur has and the number of queries you have to print an answer for respectively. WebGukiZ also prepared a problem for you. The main challenge with the problem is finding $$$cost(i) = \min\limits_{1 \leq j \leq n}(p_j + |i-j|)$$$ quickly, We can split the cost into two parts: $$$cost(i) = \min(p_j + (i - j))$$$ when $$$j \leq i$$$ and $$$cost(i) = \min(p_j + (j - i))$$$ when $$$j \geq i$$$, Combining them together, we get $$$cost(i) = \min(\min\limits_{1 \leq j \leq i} (p_j - j) + i, \min\limits_{i \leq j \leq n}(p_j + j) - i)$$$. For the second test case, Alice will eat the first three candies from the left (with total weight $$$7$$$) and Bob will eat the first three candies from the right (with total weight $$$7$$$). For the $$$j$$$-th query you have to answer what is the minimum number of candies he needs to eat in order to reach a quantity of sugar greater than or equal to $$$x_j$$$ or print -1 if it's not possible to obtain such a quantity. Let dpi = k=0i Ak d p i = k = 0 i A k. Thus, k=ij Ak = dpj dpi1 k = i j A k = d p j d p i 1. Virtual contest is a way to take part in past contest, as close as possible to participation on time. Thei-th candy has a quantity of sugar equal toai. Codeforces Revision en1, by celestialidiot, 2022-07-03 09:51:04. 4) 1676 D. X-Sum Solution. For the $$$i$$$-th query you have two integers $$$l_i$$$ and $$$r_i$$$ ($$$1\le l_i\le r_i\le n$$$). In this video I have discussed about the Codeforces problem "Eating Queries"This video is a part of the Binary Search Playlist." CodeForces | Eating Queries - StopStalk WebInstead, we can generate some useful information about each index in O(n) O ( n) and then solve each query in O(1) O ( 1). Codeforces For the second test case, Alice will eat the first three candies from the left (with total weight 7) and Bob will eat the first three Alice can eat any number of candies from the left (she can't skip candies, she eats them in a row). Codeforces Round #790 (Div. 4) 1676 E. Eating Queries Solution Webchoice Codeforces Beta Round #25 Solution Analysis . Virtual contest is a way to take part in past contest, as close as possible to participation on time. Maximum Crossings (Easy Version) Codeforces Solution. 4) 1676B. In the first example, $$$n=5$$$ and $$$a=[2,5,4,1,3]$$$. The description of test cases follows. 4) 1676 A. To see all available qualifiers, see our documentation. WebFor the j-th query you have to answer what is the minimum number of candies he needs to eat in order to reach a quantity of sugar greater than or equal to x j or print -1 if it's not The first line contains two integers $$$n$$$ and $$$m$$$ ($$$1 \le m \le n \le 200\ 000$$$). Codeforces Problem Link:https://codeforces.com/contest/1676/problem/E. 1100: x20890: 1669F Eating Candies Queries about less or equal elements . WebEating Queries.cpp","displayUrl":"https://github.com/IsratJahanR/codeforces/blob/master/1676E.%20Eating%20Queries.cpp?raw=true","headerInfo":{"blobSize":"2.76 Eating the sweet $$$i$$$ at the $$$d$$$-th day will cause a sugar penalty of $$$(d \cdot a_i)$$$, as sweets become more sugary with time. The course will contain a set of lessons on various topics related to competitive programming. The problem statement has recently been changed. Wrong Subtraction Solution. White-Black Balanced Subtrees Codeforces Solution. WebIncrease the value of ai a i by X X. Lessons are prepared by teachers of ITMO University. There $$$a=3, b=3, a+1=4$$$. This is a pilot course in competitive programming to check what format will be the most convenient and useful. Codeforces Eating Queries UVA 12220 - Divisible Subsequences Solution. and " # " and m queries. Of course, if Alice ate a candy, Bob can't eat it (and vice versa). It's also possible to obtain the same answer by choosing the fourth candy. Tsumugi brought $$$n$$$ delicious sweets to the Light Music Club. 1100: x16328 : 1673B A Perfectly Balanced String? Maximum Crossings (Hard Version) Codeforces Solution. WebThey need to solve the following problem to pass the IT exam. If you've seen these problems, a virtual contest is not for you - solve these problems in the archive. Your task is to find the maximum number of candies Santa can give to kids so that he will be satisfied. main. Longest Strike Codeforces Solution. WebAs there aren't any range queries tags in Codeforces, I would like to ask if anyone know any range query problems in Codeforces, or any existing tags that imply range queries. binary search, greedy, sortings. Hello Friends my Name is Mohit Gupta. Note that he can't eat the same candy twice and queries are independent of each other (Timur can use the same candy in different queries). The problem statement has recently been changed. 2) 1686A. Now you need to answer $$$q$$$ queries. The only programming contests Web 2.0 platform, Codeforces Round 887 (Div 1, Div 2) Tutorial, [GYM] HIAST Collegiate Programming Contest 2023, Codeforces Round #884 (Div. Never use someone else's code, read the tutorials or communicate with other person during a virtual contest. No description, website, or topics provided. implementation. Learn More . to use Codespaces. A sweet can be eaten at most once. For the sixth query: $$$(2,3)\to(4,5)\to(1,3)\to(2,5)\to(1,5)$$$. Where to Practice Topic wise for Competitive Programming ? Find the sum of ai a i on the path from u u to v v for 2 nodes u u and v v. First, we flatten the tree using a preorder traversal. WebCodeforces / 1676E / eating-queries.cpp Go to file Go to file T; Go to line L; Copy path Copy permalink; This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository. Codeforces Clean Code Champions: Nominate Your Favorites! F can be sum, min, max or wide range of other functions. Stop and think about why this is true (it is very important that you understand this). For each test case output $$$q$$$ lines. The descriptions of the test cases follow. Codeforces Programming competitions and contests, programming community . Cannot retrieve contributors at this time. Suppose that Yui chooses exactly $$$k$$$ sweets, and eats them in any order she wants. Thentlines are given, each containing a description of one test case. Never use someone else's code, read the tutorials or communicate with other person during a virtual contest. standard output. Hi, Problem : 1676E Eating Queries My Approach : I sorted the array in descending order and then calculated the prefix sum, and then I am using binary search to find the least element greater than x. Spoj Solution PRIONPRI - Prime or not Prime! Problem - 1676E - Codeforces Programming competitions and contests, programming community. Programming competitions and contests, programming community. Codeforces Round #790 (Div. I am struggling in one such problem. 1, Div. $$$b - a \le 1$$$ (it means $$$b = a$$$ or $$$b = a + 1$$$); the number of kids who has $$$a+1$$$ candies (. Codeforces CSES Pizzeria Queries - Codeforces In other words, you should print the minimum possible $$$k$$$ such that after eating $$$k$$$ candies, Timur consumes a quantity of sugar of at least $$$x_j$$$ or say that no possible $$$k$$$ exists. For the first query: $$$(4,4)\to(1,1)\to(2,2)\to(5,5)\to(3,3)\to(4,4)\to\ldots$$$, so it's impossible to get $$$(1,5)$$$. Never use someone else's code, read the tutorials or communicate with other person during a virtual contest. That is, from a starting pair $$$(l, r)$$$ we get $$$f\big((l, r)\big)$$$, then $$$f\big(f\big((l, r)\big)\big)$$$, then $$$f\big(f\big(f\big((l, r)\big)\big)\big)$$$, and so on. ilyakrasnovv Codeforces Round #816 (Div. Each line of the following $$$q$$$ lines contains two integers $$$l_i$$$, $$$r_i$$$ ($$$1\le l_i\le r_i\le n$$$) the queries. The first line of input contains an integert(11041t104) the number of test cases in the input. So, by eating the $$$i$$$-th candy, Timur consumes a quantity of sugar equal to $$$a_i$$$. Code. Codeforces Round #790 (Div. Codeforces offline means that your solution reads all queries then process them , probably you sort the queries in some order so that you can process them faster. E. Eating Queries | Codeforces Round #790 (Div. 4) |Problem The answer cannot be greater because then the number of kids with $$$5$$$ candies will be $$$3$$$. The second line of each test case contains $$$n$$$ integers $$$w_1, w_2, \dots, w_n$$$ ($$$1 \leq w_i \leq 10^4$$$) the weights of candies from left to right. We can use two point-update, range-minimum-query segment trees to achieve this. Eating Queries | CodeForces Problem | Lecture 11 - YouTube It is supported only ICPC mode for virtual contests. WebA snake i can eat another snake j, if a j a i and after eating a snake, it's length is increased by 1. Codeforces Problems on Range Queries - Codeforces WebHere in this video we have discussed the approach to solve " E. Eating Queries of Codeforces round 790 (Div 4) " in hindi. The second line contains $$$n$$$ positive integers $$$a_1,a_2,\ldots,a_n$$$ ($$$1\le a_i\le n$$$) the sequence $$$a$$$. The problem statement has recently been changed. 4) 1676 E. Eating Queries Solution, ///Lailahaillellahumuhammadurrasulullah, ///******Bismillahir-Rahmanir-Rahim******///, ///**********ALLAHISALMIGHTY************///. It is supported only ICPC mode for virtual contests. 2. point update. He cannot distribute two remaining candies in a way to be satisfied. For the $$$j$$$-th line output the number of candies Timur needs to eat in order to reach a quantity of sugar greater than or equal to $$$x_j$$$ or print -1 if it's not possible to obtain such a quantity. WebCodeforces. Try again. (Sum, minimum, or maximum queries etc across a range) Also, please comment any range query problems below :) #range query , range query. Maximum Crossings (Easy Version) Codeforces Solution. https://codeforces.com/contest/1676/problem/E. I am on my adventure to solve CSES E. Eating Queries n q -1 ++ In this problem you need to answer to m queries. 1100: x20876: 1675C Detective Task . WebCodeforces Problems on Range Queries By jeqcho , history , 3 years ago , Hi all. Timur has $$$n$$$ candies. Virtual contest is a way to take part in past contest, as close as possible to participation on time. E. Eating Queries || Codeforces round 790(Div 4) - YouTube Codeforces Never use someone else's code, read the tutorials or communicate with other person during a virtual contest. I like C++ and please message me or comment on what I should program next. I am 20 year Old. Solve in C++: #include