HACKERRANK - JAVASCRIPT - DAY 0
DATA TYPES
SOLUTION
'use strict';
process.stdin.resume();
process.stdin.setEncoding('utf-8');
let inputString = '';
let currentLine = 0;
process.stdin.on('data', inputStdin => {
inputString += inputStdin;
});
process.stdin.on('end', _ => {
inputString = inputString.trim().split('\n').map(string => {
return string.trim();
});
main();
});
function readLine() {
return inputString[currentLine++];
}
/**
* The variables 'firstInteger', 'firstDecimal', and 'firstString' are declared for you -- do not modify them.
* Print three lines:
* 1. The sum of 'firstInteger' and the Number representation of 'secondInteger'.
* 2. The sum of 'firstDecimal' and the Number representation of 'secondDecimal'.
* 3. The concatenation of 'firstString' and 'secondString' ('firstString' must be first).
*
* Parameter(s):
* secondInteger - The string representation of an integer.
* secondDecimal - The string representation of a floating-point number.
* secondString - A string consisting of one or more space-separated words.
**/
function performOperation(secondInteger, secondDecimal, secondString) {
// Declare a variable named 'firstInteger' and initialize with integer value 4.
const firstInteger = 4;
// Declare a variable named 'firstDecimal' and initialize with floating-point value 4.0.
const firstDecimal = 4.0;
// Declare a variable named 'firstString' and initialize with the string "HackerRank".
const firstString = 'HackerRank ';
// Write code that uses console.log to print the sum of the 'firstInteger' and 'secondInteger' (converted to a Number type) on a new line.
console.log(firstInteger + Math.floor(secondInteger));
// Write code that uses console.log to print the sum of 'firstDecimal' and 'secondDecimal' (converted to a Number type) on a new line.
console.log(firstDecimal + parseFloat(secondDecimal));
// Write code that uses console.log to print the concatenation of 'firstString' and 'secondString' on a new line. The variable 'firstString' must be printed first.
console.log(firstString + secondString);
}
function main() {
const secondInteger = readLine();
const secondDecimal = readLine();
const secondString = readLine();
performOperation(secondInteger, secondDecimal, secondString);
}
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