摘要:
[代码]要求:o(n)以下是 phyton实现defreplaceString(a,b,c):letterList={}tmp=97i=0k=0l=0myList=[]whilei<26:letterList.setdefault(chr(tmp))letterList[chr(tmp)]=0tmp=tmp+1i=i+1forjina:letterList[j]=1whilek<len... 阅读全文
posted @ 2010-03-12 21:52
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