text: /*
  https://projecteuler.net/problem=6
  # Sum square difference
  
  The sum of the squares of the first ten natural numbers is,
  1^2 + 2^2 + ... + 10^2 = 385
  The square of the sum of the first ten natural numbers is,
  (1 + 2 + ... + 10)^2 = 55^2 = 3025
  Hence the difference between the sum of the squares of the first ten natural numbers and the square of the sum is 3025 − 385 = 2640.
  Find the difference between the sum of the squares of the first one hundred natural numbers and the square of the sum.
  
  
  */
  
  function test(input = 100) {
    let sum = 0;
    let sum_2 = 0;
    for (let i = 0; i <= input; i++) {
      sum += i;
      sum_2 += i * i;
    }
    return sum * sum - sum_2;
  }
  
  function run() {
    return test();
  }
  
  module.exports = {
    info: {
      id: '6',
      url: 'https://projecteuler.net/problem=6',
      title: 'Sum square difference',
      description:
        '\nThe sum of the squares of the first ten natural numbers is,\n12 + 22 + ... + 102 = 385\nThe square of the sum of the first ten natural numbers is,\n(1 + 2 + ... + 10)2 = 552 = 3025\nHence the difference between the sum of the squares of the first ten natural numbers and the square of the sum is 3025 − 385 = 2640.\nFind the difference between the sum of the squares of the first one hundred natural numbers and the square of the sum.\n\n',
    },
    run,
    test,
  };
  