摘要：
输入正整数n以及n个文件名，排序后按列优先的方式左对齐输出。假设最长文件名有M字符，则最右列有M字符，其他列都是M+2字符。 附加条件每行最多输出60个字符，在此条件下要求行最少。 Sample input Sample output 阅读全文
摘要：
Description In a speech contest, when a contestant finishes his speech, the judges will then grade his performance. The staff remove the highest grade 阅读全文