freeCodeCamp/curriculum/challenges/chinese/10-coding-interview-prep/project-euler/problem-36-double-base-pali...

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id challengeType videoUrl localeTitle
5900f3901000cf542c50fea3 5 问题36双基回文

Description

十进制数585 = 10010010012二进制在两个碱基中都是回文。找到所有数字的总和小于n而1000 <= n <= 1000000它们在基数10和基数2中是回文的。请注意任一基数中的回文数可能不包括前导零。

Instructions

Tests

tests:
  - text: <code>doubleBasePalindromes(1000)</code>应该返回1772。
    testString: assert(doubleBasePalindromes(1000) == 1772);
  - text: <code>doubleBasePalindromes(50000)</code>应该返回105795。
    testString: assert(doubleBasePalindromes(50000) == 105795);
  - text: <code>doubleBasePalindromes(500000)</code>应该返回286602。
    testString: assert(doubleBasePalindromes(500000) == 286602);
  - text: <code>doubleBasePalindromes(1000000)</code>应该返回872187。
    testString: assert(doubleBasePalindromes(1000000) == 872187);

Challenge Seed

function doubleBasePalindromes(n) {
  // Good luck!
  return n;
}

doubleBasePalindromes(1000000);

Solution

// solution required

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