Codechef

Problem link. Submit here

Solution:

All we have to do is to find the train partner where seats are following the pattern given in question:

3UB   |  6UB  
2MB   |  5MB  
1LB   |  4LB  
7SL   |  8SU

PROBLEM:-CHSQR SUBMIT IN PRACTICE :-submit

DIFFICULTY:- EASY

PREREQUISITE:- Knowledge of Loops .

PROBLEM:- Chef has to fill a K x K square grid of integers in a certain way. Let us say that such a grid is valid…

PROBLEM link for practice FOR PRACTICE : SUBMIT

Difficulty : Easy

Prerequisite: Simple Maths

Problem Description:

Sherlock and the Ugly Flower — UGLYF

PROBLEM: UGLYF FOR PRACTICE : SUBMIT

PROBLEM :- PERMEXIS SUBMIT IN PRACTICE :- SUBMIT

DIFFICULTY :-EASY

PREREQUISITE :-Any Sorting Algorithm Having good time complexity about O(n Log n)

PROBLEM BOOKSHEF link SUBMIT link

Prerequisite –Sorting ,vector in C++, Hashing C/C++.

Coding Difficulty: Easy

Algorithms Used: Sorting

Problem Description:

PROBLEM :- CHEFKEY SUBMIT IN PRACTICE- SUBMIT

DIFFICULTY- very easy

EXPLANATION-

This is one of the easy problem.
Assume here that you are given a rectangle of some dimension say n × m.

PROBLEM link SUBMIT in practice

DIFFICULTY LEVEL- Easy

PREREQUISITE- Fenwick tree basics, Bit manipulation.

PROBLEM: