Prefix Sums solution codechef

Prefix Sums solution codechef For a positive, eveneven integer NN, we call a pair of arrays AA and BB to be interesting if they satisfy the following conditions : |A|=|B|=N/2|A|=|B|=N/2 i.e. the length of array AA is equal to the length of array BB. Each integer from 11 to NN occurs exactly once in exactly one of the arrays. The ithith prefix sum of AA is not equal to ithith prefix sum of BB for all 1≤i≤N/2−11≤i≤N/2−1. Formally, ∑j=1iAj≠∑j=1iBj∑j=1iAj≠∑j=1iBj for all 1≤i≤N/2−11≤i≤N/2−1 Sum of … Read more

Two Dishes solution codechef

Two Dishes solution codechef Chef will have NN guests in his house today. He wants to serve at least one dish to each of the NN guests. Chef can make two types of dishes. He needs one fruit and one vegetable to make the first type of dish and one vegetable and one fish to make the second type … Read more

Vaccine Dates solution codechef

Vaccine Dates solution codechef Chef has taken his first dose of vaccine DD days ago. He may take the second dose no less than LL days and no more than RR days since his first dose. Determine if Chef is too early, too late, or in the correct range for taking his second dose. First line will contain TT, number of testcases. … Read more

Udaariyaan Written Update Today 22nd September 2021

Udaariyaan written update today 22 september  – Udaariyaan  is one the most popular television drama telecasted on Colors TV. This show is created and Produced by a famous actor couple of television industry Sargun Mehta and Ravi Dubey. This show was first premiered on premiered on 20 March 2021. This show features some interesting personalities … Read more

You are given two binary strings SS and PP. You need to convert SS into PP using the following operation any number of times (possibly zero):

You are given two binary strings SS and PP. You need to convert SS into PP using the following operation any number of times (possibly zero): Pick three binary values XX, YY, and ZZ, such that at least one of them is equal to 11 and at least one of them is equal to 00. Then, pick three distinct indices ii, jj, and kk, and assign Si=XSi=X, Sj=YSj=Y, and Sk=ZSk=Z. Determine whether it’s possible … Read more

There’s a zebra crossing appearing in the middle of nowhere with NN blocks in it. The colors of the zebra crossing is represented by a binary string SS, where SiSi is 1 if the ii-th block from the left is white, and 0 if the block is black.

There’s a zebra crossing appearing in the middle of nowhere with NN blocks in it. The colors of the zebra crossing is represented by a binary string SS, where SiSi is 1 if the ii-th block from the left is white, and 0 if the block is black. Chef really wants to play with the zebra crossing. Although the given zebra crossing might not have … Read more

An array is called lovely if the sum of absolute differences of each adjacent pair of elements is odd; formally, the array SS of size mm is lovely if ∑m−1i=1∑i=1m−1 |Si−Si+1||Si−Si+1| is odd.

An array is called lovely if the sum of absolute differences of each adjacent pair of elements is odd; formally, the array SS of size mm is lovely if ∑m−1i=1∑i=1m−1 |Si−Si+1||Si−Si+1| is odd. You are given an array AA of NN integers. You need to reorder the array in any manner such that the array becomes lovely. If there is no reordering operation that makes the array lovely, … Read more

You are given an integer NN. Output a permutation of values from 11 to NN that satisfies the following condition:

You are given an integer NN. Output a permutation of values from 11 to NN that satisfies the following condition: gcd([1+A1,2+A2,3+A3,…,N+AN])>1gcd([1+A1,2+A2,3+A3,…,N+AN])>1 It can be proven that a solution always exists. If there are multiple permutations that can satisfy the condition, then output any one of them. As a reminder, A permutation of values from 11 to NN is an array containing integers from 11 to NN in any … Read more

Chef opened a company which manufactures cars and bikes. Each car requires 44 tyres while each bike requires 22 tyres. Chef has a total of NN tyres (NN is even). He wants to manufacture maximum number of cars from these tyres and then manufacture bikes from the remaining tyres.

Chef opened a company which manufactures cars and bikes. Each car requires 44 tyres while each bike requires 22 tyres. Chef has a total of NN tyres (NN is even). He wants to manufacture maximum number of cars from these tyres and then manufacture bikes from the remaining tyres. Chef’s friend went to Chef to purchase a bike. If Chef’s company has … Read more

Trash Bins kickstart solution – In the city where you live, Kickstartland, there is one particularly long street with NN houses on it. This street has length NN, and the NN houses are evenly placed along it, that is, the first house is at position 11, the second house is at position 22, and so on

Trash Bins kickstart solution Problem In the city where you live, Kickstartland, there is one particularly long street with NN houses on it. This street has length NN, and the NN houses are evenly placed along it, that is, the first house is at position 11, the second house is at position 22, and so on. The distance between any pair of … Read more