翻转句子中单词的顺序
题目:输入一个英文句子,翻转句子中单词的顺序,但单词内字符的顺序不变。句子中单词以空格符隔开。为简单起见,标点符号和普通字母一样处理。
例如输入“I am a student.”,则输出“student. a am I”。
void Reverse(char* Begin,char* End){ if(Begin > End) return ; char temp; While(Begin < End){ temp = *Begin; *Begin = *End; *End = temp; Begin++; End--; } } char* WordReverse(char* str){ char* Begin = str; char* End = str; while(*End != '\0') End++; End--; Reverse(Begin,End);//反转整个句子 Begin = End = str; while(*Begin != '\0'){ while(*Begin == ' ') Begin++; End = Begin; while(*End != ' ' || *End != '\0') End++; Reverse(Beign,--End); Begin = ++End; } return str; }