百度之星程序设计大赛-初赛题3-字符串替换
第三题(共四题100分):字符串替换(30分)
题目描述:请编写程序,根据指定的对应关系,把一个文本中的字符串替换成另外的字符串。
输入数据:程序读入已被命名为text.txt和dict.txt的两个输入数据文本文件,text.txt为一个包含大量字符串(含中文)的文本,以whitespace为分隔符;dict.txt为表示字符串(s1)与字符串(s2)的对应关系的另一个文本(含中文),大约在1万行左右,每行两个字符串(即s1和s2),用一个\t或空格分隔。dict.txt中各行的s1没有排序,并有可能有重复,这时以最后出现的那次s1所对应的s2为准。text.txt和dict.txt中的每个字符串都可能包含除whitespace之外的任何字符。text.txt中的字符串必须和dict.txt中的某s1完全匹配才能被替换。(为便于调试,您可下载测试text.txt和dict.txt文件,实际运行时我们会使用不同内容的输入文件。)
输出数据:在标准输出上打印text.txt被dict.txt替换后了的整个文本。
评分标准:程序输出结果必须正确,内存使用越少越好,程序的执行时间越快越好。
我的程序:
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