PWC 293 相似多米诺骨牌处理不当
原文英文,约700词,阅读约需3分钟。发表于: 。Perl Weekly Challenge 293 gave us a problem that didn't really look that hard, yet I did it wrong at least three times before finishing. It reminded me of the song How to Save a Life, where the...
Perl每周挑战293要求计算相似多米诺骨牌的数量。通过比较每对骨牌,发现存在双重计数的问题。最终,使用哈希表记录频率,确保只计算出现至少两次的骨牌,从而成功解决了该问题。