该博客转自www.pyimagesearch.com,进行了相关修改补充. Over the past few months I've gotten quite the number of requests landing in my inbox to build a bubble sheet/Scantron-like[简而言之答题卡] test reader using computer vision and image processing techniques. And while I'
最近在OJ上用python答题,偶尔会遇到结果“放回非零”的情况(Non-zero Exit Code) 总结了以下,目前知道的是这些: 1. 在python2中用了input(),或在python3中用了raw_input() 如果是python2提交,就要用raw_input(); 如果是python3提交,就要用input(); 2.列表index out of range 有时候也会返回这个错误