# Day 1: Data Types - 30 Days of Code HackerRank

Aayushi Sharma ・2 min read

## Task (30 Days of Code - HackerRank)

Complete the code in the editor below. The variables i,d ,s and are already declared and initialized for you. You must:

• Declare 3 variables: one of type int, one of type double, and one of type String.
• Read 3 lines of input from stdin (according to the sequence given in the Input Format section below) and initialize your 3 variables.
• Use the + operator to perform the following operations:
• Print the sum of i plus your int variable on a new line.
• Print the sum of d plus your double variable to a scale of one decimal place on a new line.
• Concatenate s with the string you read as input and print the result on a new line.

### Data Type HackerRank solution in CPP

#include <iostream>
#include <iomanip>
#include <limits>

using namespace std;

int main() {
int i = 4;
double d = 4.0;
string s = "HackerRank ";

// Declare second integer, double, and String variables.
int i2;
double d2;
string s2;
// Read and save an integer, double, and String to your variables.
// Note: If you have trouble reading the entire string, please go back and review the Tutorial closely.
cin >> i2;
cin >> d2;
cin.get();
getline(cin, s2);
// Print the sum of both integer variables on a new line.
cout << i+i2 << endl;
// Print the sum of the double variables on a new line.
cout<< std::fixed <<std::setprecision(1)<< d + d2 << endl;
// Concatenate and print the String variables on a new line
cout << s << s2;
// The 's' variable above should be printed first.

return 0;


### Data Type HackerRank solution in Python

i2 = int(input())
d2 = float(input())
s2 = input()

print(i + i2)
print(d + d2)
print(s + s2)


### Data Type HackerRank solution in JavaScript

// Declare second integer, double, and String variables.
// Read and save an integer, double, and String to your variables.
var i2 = +(readLine());
var d2 = +(readLine());
var s2 = readLine();

// Print the sum of both integer variables on a new line.
console.log(i + i2);

// Print the sum of the double variables on a new line.
console.log((d + d2).toFixed(1));

// Concatenate and print the String variables on a new line
// The 's' variable above should be printed first.
console.log(s + s2);


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### Aayushi Sharma

Machine Learning Student.