codeperfectplus

def twoSum(self, nums: List[int], target: int) -> List[int]:
    seen = {}

    for index, num in enumerate(nums):
        other = target - num 

        if other in seen:
            return[seen[other],index]
        else:
            seen[num] = index

codeperfectplus

def multiples(n):
    sum = 0
    for i in range(n):
        if(i%3==0) or (i%5==0):
            sum += i
    return sum

print(multiples(1000))

codeperfectplus

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

using namespace std;

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

codeperfectplus

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

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

codeperfectplus

// 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.

codeperfectplus

/**
 *   Calculate the area of a rectangle.
 *
 *   length: The length of the rectangle.
 *   width: The width of the rectangle.
 *   
 *	Return a number denoting the rectangle's area.
 **/
function getArea(length, width) {
    let area;

codeperfectplus

/*
 * Create the function factorial here
 * Recursion: To call itself is called recursion.
 */
function factorial(n) {
    if (n === 0) {
        return 1;
    }
    return n * factorial(n - 1);
}

codeperfectplus

function main() {
    // Write your code here. Read input using 'readLine()' and print output using 'console.log()'.
    let r = readLine();
    const PI = Math.PI;
    // Print the area of the circle:
    console.log(PI * (r * r) );
    // Print the perimeter of the circle:
    console.log(2 * PI * r);
}

codeperfectplus

function getGrade(score) {
    let grade;
    // Write your code here
    if(score<=5) {
        grade="F";
    }else if(score<=10) {
        grade='E';
    }else if(score<=15) {
        grade='D'
    }else if(score<=20) {

codeperfectplus

function getLetter(s) {
    let letter;
    // Write your code here
    switch (true) {
        case 'aeiou'.includes(s[0]):
            letter = 'A';
            break;
        case 'bcdfg'.includes(s[0]):
            letter = 'B';
            break;