Sample Problem Statement

Here are some sample problem statements. 

Given an integer N, print 'hello world' N times.

Sample Input

5

Sample Output

hello world 

 hello world 

 hello world 

 hello world 

 hello world

Solutions by language

C

#include <stdio.h>

int main() {

    int i, n;

    scanf("%d", &n);

    for (i=0; i<n; i++) {

        printf("hello world\n");

    }

    return 0;

}

C++

#include <iostream>

using namespace std;

int main() {

    int i, n;

    cin >> n;

    for (i=0; i<n; i++) {

        cout << "hello world\n";

    }

    return 0;

}

C#

using System;

namespace Solution {

    class Solution {

        static void Main(string[] args) {

            var line1 = System.Console.ReadLine().Trim();

            var N = Int32.Parse(line1);

            for (var i = 0; i < N; i++) {

                System.Console.WriteLine("hello world");

            }

        }

    }

}

Java

import java.io.*;

public class Solution {

    public static void main(String args[] ) throws Exception {

        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

        String line = br.readLine();

        int N = Integer.parseInt(line);

        for (int i = 0; i < N; i++) {

            System.out.println("hello world");

        }

    }

}

Objective C

#import<Foundation/Foundation.h>




int main(int argc, const char* argv[])

{

    @autoreleasepool {

        NSInteger n;

        scanf("%lu", &n);




        for (NSInteger i = 0; i < n; i++) {

            /*

             * Do not use NSLog to print to stdout

             */

            printf("hello world\n");

        }




        return 0;

    }

}

Javascript

function processData(input) {

    var i;

    for (i = 0; i < parseInt(input); i++) {

        console.log("hello world");

    }

}




process.stdin.resume();

process.stdin.setEncoding("ascii");

_input = "";

process.stdin.on("data", function (input) {

    _input += input;

});




process.stdin.on("end", function () {

   processData(_input);

});

Python

N = int(raw_input())

for i in xrange(N):

    print "hello world"

Ruby

N = gets

1.step(N.to_i, 1) { |i| print "hello world\n" }

PHP

<?php

fscanf(STDIN, "%d\n", $number);




for ( $i = 0; $i < $number; $i++) {

    echo "hello world\n";

}

Lua

N = io.read ()

for i = 1, tonumber(N), 1 do

    print("hello world")

end

Common Lisp (SBCL)

(let ((n (parse-integer (read-line))))

    (dotimes (i n)

        (format t "hello world~%")))

ERLANG

-module(solution).

-export([main/0]).




main() ->

    {ok, [Num]} = io:fread("", "~d"),

    print_hello(Num).




print_hello(0) ->

    0;

print_hello(N) ->

    io:format("Hello World~n"),

    print_hello(N - 1).

Go

>/* Contributed by https://www.hackerrank.com/rciovati */




package main




import (

    "fmt"

)




func main() {

    times := readInt()

    for i := 0; i < times; i++ {

        fmt.Println("hello world")

    }

}




func readInt() int {

    var n int

    _, err := fmt.Scanf("%d", &n)




    if err != nil {

        panic(err)

    }




    return n

}

Clojure

/* Contributed by https://www.hackerrank.com/dmarjenburgh */




(let [n (Integer/parseInt (read-line))]

  (dotimes [_ n]

      (println "hello world")))

R

f <- file("stdin")

on.exit(close(f))




T <- readLines(f)

T <- strsplit(T, " ")

Ti <- as.numeric(T[[1]])




for(i in 1:Ti){

    write("hello world", stdout())

}

Swift

import Foundation




let n = Int(readLine()!)!




for i in 1...n {

    print("hello world")

}