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Programmingoneonone
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HackerRank The World of Numbers problem solution

YASH PAL, 31 July 2024

In this HackerRank The World of Numbers problem solution Values can be read from the command line using the read command. See the following code.

read a

read b

echo $a

echo $b

Invoked from the command line:

echo ‘1n2’|./read.sh

1

2

To perform an operation, surround the variables with (()) or [] and precede with a $ sign.

read a

read b

echo $[a+b]

echo $((a-b))

we have given two integers, X and Y, find their sum, difference, product, and quotient.

vHackerRank The World of Numbers problem solution

Problem solution.

read x
read y
echo $(expr $x + $y)
echo $(expr $x - $y)
echo $(expr $x * $y)
echo $(expr $x / $y)

Second solution.

read x
read y
echo "$[ $x + $y]"
echo "$[ $x - $y]"
echo "$[ $x * $y]"
echo "$[ $x / $y]"

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