HackerRank Display an element of an array problem solution YASH PAL, 31 July 2024 In this HackerRank Display an element of an array problem solution we have given a list of countries, each on a new line, your task is to read them into an array and then display the element indexed at 3. Note that indexing starts from 0. Input Format A list of country names. The only characters present in the country names will be upper or lower-case characters and hyphens. Output Format The element at index 3 of the array (one string). Problem solution. sed -n 4p Second solution. arr=($(cat)) echo ${arr[3]} Third solution. for((i=0; ;i++)) do read a[$i] if [ $? -ne 0 ] then break fi done echo ${a[3]} Fourth solution. #!/bin/sh a=() while read i; do a[${#a[@]}]="$i" done echo "${a[3]}" coding problems linux shell