# tutorialtime

## Udaariyaan 19 January written update today

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## A Random Code Problem solution codeforces- You are given an integer array a0,a1,…,an−1a0,a1,…,an−1, and an integer kk. You perform the following code with it:

A Random Code Problem solution codeforces For Solution Click Here! A Random Code Problem solution codeforces:- You are given an integer array a0,a1,…,an−1a0,a1,…,an−1, and an integer kk. You perform the following code with it: long long ans = 0; // create a 64-bit signed variable which is initially equal to 0 for(int i = 1; i …

## Black and White Tree solution codeforces- You are given a tree consisting of nn vertices. Some of the vertices (at least two) are black, all the other vertices are white. You place a chip on one of the vertices of the tree, and then perform the following operations: let the current vertex where the chip is located is xx. You choose a black vertex yy, and then move the chip along the first edge on the simple path from xx to yy. You are not allowed to choose the same black vertex yy in two operations in a row (i. e., for every two consecutive operations, the chosen black vertex should be different). Black and White Tree solution codeforces You end your operations when the chip moves to the black vertex (if it is initially placed in a black vertex, you don’t perform the operations at all), or when the number of performed operations exceeds 100500100500. For every vertex ii, you have to determine if there exists a (possibly empty) sequence of operations that moves the chip to some black vertex, if the chip is initially placed on the vertex ii.

Black and White Tree solution codeforces For Solution Click Here! Black and White Tree solution codeforces:- You are given a tree consisting of nn vertices. Some of the vertices (at least two) are black, all the other vertices are white. You place a chip on one of the vertices of the tree, and then perform the …

## Martial Arts Tournament solution codeforces- Monocarp is planning to host a martial arts tournament. There will be three divisions based on weight: lightweight, middleweight and heavyweight. The winner of each division will be determined by a single elimination system. In particular, that implies that the number of participants in each division should be a power of two. Additionally, each division should have a non-zero amount of participants. Martial Arts Tournament solution codeforces nn participants have registered for the tournament so far, the ii-th of them weighs aiai. To split participants into divisions, Monocarp is going to establish two integer weight boundaries xx and yy (x

Martial Arts Tournament solution codeforces For Solution Click Here! Martial Arts Tournament solution codeforces:- Monocarp is planning to host a martial arts tournament. There will be three divisions based on weight: lightweight, middleweight and heavyweight. The winner of each division will be determined by a single elimination system. In particular, that implies that the number …

## Monsters And Spells solution codeforces- Monocarp is playing a computer game once again. He is a wizard apprentice, who only knows a single spell. Luckily, this spell can damage the monsters. The level he’s currently on contains nn monsters. The ii-th of them appears kiki seconds after the start of the level and has hihi health points. As an additional constraint, hi≤kihi≤ki for all 1≤i≤n1≤i≤n. All kiki are different. Monocarp can cast the spell at moments which are positive integer amounts of second after the start of the level: 1,2,3,…1,2,3,… The damage of the spell is calculated as follows. If he didn’t cast the spell at the previous second, the damage is 11. Otherwise, let the damage at the previous second be xx. Then he can choose the damage to be either x+1x+1 or 11. A spell uses mana: casting a spell with damage xx uses xx mana. Mana doesn’t regenerate. Monsters And Spells solution codeforces To kill the ii-th monster, Monocarp has to cast a skill with damage at least hihi at the exact moment the monster appears, which is kiki.

Monsters And Spells solution codeforces For Solution Click Here! Monsters And Spells solution codeforces:- Monocarp is playing a computer game once again. He is a wizard apprentice, who only knows a single spell. Luckily, this spell can damage the monsters. The level he’s currently on contains nn monsters. The ii-th of them appears kiki seconds after the start of the …

## Minor Reduction solution codeforces- ou are given a decimal representation of an integer xx without leading zeros. You have to perform the following reduction on it exactly once: take two neighboring digits in xx and replace them with their sum without leading zeros (if the sum is 00, it’s represented as a single 00). For example, if x=10057x=10057, the possible reductions are: choose the first and the second digits 11 and 00, replace them with 1+0=11+0=1; the result is 10571057; choose the second and the third digits 00 and 00, replace them with 0+0=00+0=0; the result is also 10571057; choose the third and the fourth digits 00 and 55, replace them with 0+5=50+5=5; the result is still 10571057; choose the fourth and the fifth digits 55 and 77, replace them with 5+7=125+7=12; the result is 1001210012. What’s the largest number that can be obtained?

Minor Reduction solution codeforces For Solution Click Here! Minor Reduction solution codeforces:- You are given a decimal representation of an integer xx without leading zeros. You have to perform the following reduction on it exactly once: take two neighboring digits in xx and replace them with their sum without leading zeros (if the sum is 00, it’s represented as a …

## Equidistant Letters solution codeforces- You are given a string ss, consisting of lowercase Latin letters. Every letter appears in it no more than twice. Your task is to rearrange the letters in the string in such a way that for each pair of letters that appear exactly twice, the distance between the letters in the pair is the same. You are not allowed to add or remove letters. It can be shown that the answer always exists. If there are multiple answers, print any of them.

Equidistant Letters solution codeforces For Solution Click Here! Equidistant Letters solution codeforces:- You are given a string ss, consisting of lowercase Latin letters. Every letter appears in it no more than twice. Your task is to rearrange the letters in the string in such a way that for each pair of letters that appear exactly …

## Maximum Running Time of N Computers solution leetcode:- You have n computers. You are given the integer n and a 0-indexed integer array batteries where the ith battery can run a computer for batteries[i] minutes. You are interested in running all n computers simultaneously using the given batteries. Initially, you can insert at most one battery into each computer. After that and at any integer time moment, you can remove a battery from a computer and insert another battery any number of times. The inserted battery can be a totally new battery or a battery from another computer. You may assume that the removing and inserting processes take no time.

Maximum Running Time of N Computers solution leetcode For Solution Click Here! Maximum Running Time of N Computers solution leetcode:– You have n computers. You are given the integer n and a 0-indexed integer array batteries where the ith battery can run a computer for batteries[i] minutes. You are interested in running all n computers simultaneously using the given batteries. Initially, you can insert at most one battery into each computer. After that and at …

## Solving Questions With Brainpower solution leetcode:- You are given a 0-indexed 2D integer array questions where questions[i] = [pointsi, brainpoweri]. The array describes the questions of an exam, where you have to process the questions in order (i.e., starting from question 0) and make a decision whether to solve or skip each question. Solving question i will earn you pointsi points but you will be unable to solve each of the next brainpoweri questions. If you skip question i, you get to make the decision on the next question.

Solving Questions With Brainpower solution leetcode For Solution Click Here! Solving Questions With Brainpower solution leetcode:- You are given a 0-indexed 2D integer array questions where questions[i] = [pointsi, brainpoweri]. The array describes the questions of an exam, where you have to process the questions in order (i.e., starting from question 0) and make a decision whether to solve or skip each question. Solving question i will earn you pointsi points but …

## Minimum Moves to Reach Target Score solution leetcode:- You are playing a game with integers. You start with the integer 1 and you want to reach the integer target. In one move, you can either: Increment the current integer by one (i.e., x = x + 1). Double the current integer (i.e., x = 2 * x). You can use the increment operation any number of times, however, you can only use the double operation at most maxDoubles times.

Minimum Moves to Reach Target Score solution leetcode For Solution Click Here! Minimum Moves to Reach Target Score solution leetcode:– You are playing a game with integers. You start with the integer 1 and you want to reach the integer target. In one move, you can either: Increment the current integer by one (i.e., x = x + 1). …