RookieCoder

摘要：for f in *.$1;do filename=`basename $f` mv $f "${filename%.*}".$2;done;Usage:：renamesuffixrename_suffixeg:renamedattxt> ls> a.dat> rename dat tx... 阅读全文

摘要：Givennballoons, indexed from0ton-1. Each balloon is painted with a number on it represented by arraynums. You are asked to burst all the balloons. If ... 阅读全文