DataStructure and Algorithms Solutions with Supercool 💯

Geeks for Geeks cheat code Book Practice problems in different levels If we manage to complete easy level We can easily crack service based companies

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1. What is Linux? Solution:- Linux is around us since the mid 90's. It is used from wristwatches to supercomputers. (i). Linux is an open-source operating system. (ii). Linux Operating system is software that enables to communicate between computer hardware and software (iii). It coveys inputs to the processed by the processer bring output to the hardware to display it 2. Evolution of Linux . ? Solution:- (i). Developed by Linus Torvalds in 1991 (ii). Sprouted as an idea to improve UNIX O.S (iii). Linux is the fastest-growing O.S. It is used from phones to supercomputers by almost all major hardware devices 3. Why Linux? Solution:- (i). Free (ii). Open-source (iii). Secure (iv). Distribution (v). Perform Fast 4. How does Linux Work ? Solution:- (i). Linux is like UNIX O.S. UNIX was earlier known as UNICS(UNiplexed Information Computer Science) (ii). Every Linux-Based O.S has the Linux Kernels and a set of software packages to manage hardware resources. (iii). Linux includes some core GNU(GNU's not UNIX) tools to provide a way to manage hardware resources. 5. How to use Linux ? Solution:- We can use Linux through an intractive user interface as well as from the terminal command-line interface

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Given three integers (X,Y , and Z) representing the three sides of a triangle, identify whether the triangle is scalene, isosceles, or equilateral. If all three sides are equal, output EQUILATERAL. Otherwise, if any two sides are equal, output ISOSCELES. Otherwise, output SCALENE. Input Format Three integers, each on a new line. Constraints The sum of any two sides will be greater than the third. Output Format One word: either "SCALENE" or "EQUILATERAL" or "ISOSCELES" (quotation marks excluded). Sample Input Sample Input 1 2 3 4 Sample Input 2 6 6 6 Sample Output Sample Output 1 SCALENE Sample Output 2 EQUILATERAL Solution:- read firsti read secondi read thirdi if [ $firsti -eq $secondi ]; then if [ $secondi -eq $thirdi ]; then echo EQUILATERAL else echo ISOSCELES fi elif [ $firsti -eq $secondi ]; then echo ISOSCELES elif [ $secondi -eq $thirdi ]; then echo ISOSCELES else echo SCALENE fi

Read in one character from STDIN. If the character is 'Y' or 'y' display "YES". If the character is 'N' or 'n' display "NO". No other character will be provided as input. Input Format One character Constraints The character will be from the set . Output Format echo YES or NO to STDOUT. Sample Input Solution:- read char case $char in Y|y) echo "YES";; N|n) echo "NO";; *) echo esac

Given two integers, X and ,Y identify whether XY or X=Y . Exactly one of the following lines: - X is less than Y - X is greater than Y - X is equal to Y Input Format Two lines containing one integer each (X and , Y respectively). Constraints - Output Format Exactly one of the following lines: - X is less than Y - X is greater than Y - X is equal to Y Sample Input Sample Input 1 5 2 Sample Input 2 2 2 Sample Input 3 2 3 Sample Output Sample Output 1 X is greater than Y Sample Output 2 X is equal to Y Sample Output 3 X is less than Y Solution :- read firsti read secondi if [ $firsti -lt $secondi ]; then echo X is less than Y elif [ $firsti -gt $secondi ]; then echo X is greater than Y else [ $firsti -eq $secondi ] echo X is equal to Y fi

Given two integers, Y and , X find their sum, difference, product, and quotient. Input Format Two lines containing one integer each ( and , respectively). Constraints Output Format Four lines containing the sum (X+Y), difference (X-Y), product (X * Y), and quotient (X / Y), respectively. (While computing the quotient, print only the integer part.) Sample Input 5 2 Sample Output 7 3 10 2 Explanation 5 + 2 = 7 5 - 2 = 3 5 * 2 = 10 5 / 2 = 2 (Integer part) Solution:- read firsti read secondi add=$(($firsti+secondi)) echo $add sub=$(($firsti-$secondi)) echo $sub multi=$(($firsti*$secondi)) echo $multi div=$(($firsti/$secondi)) echo $div

Use a for loop to display the natural numbers from 1 to 50 ? Solution :- for i in {1..50..0} do echo $i done

Write a Bash script which accepts name as input and displays the greeting "Welcome (name)" ? Solution:- read name echo Welcome $name output :- username called anything like , supercool , Dan , javaTpoint and more.

Your task is to use for loops to display only odd natural numbers from 1 to 99 ? Solution:- for i in {1..99..2} do echo $i done This is how we can use for loop in Linux Operating system

How to print Hello world in Linux ? printf "Hello guys, Welcome to my channel😉" echo "code with supercool_5" We can use this commands to print strings in Linux

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