学步园

解决问题的时间首先想到的是搜索引擎，并不是大脑。现在的习惯都变完了！！

//此段代码以解决以下方式的逆序</p> <p>//原字符串: who is your name;<br /> //目标字符: ;eman ruoy si ohw</p> <p>#include <iostream><br /> using namespace std;<br /> #define Max 200</p> <p>int main()<br /> {<br /> char str[Max];<br /> printf("请输入文本:");<br /> gets(str);</p> <p> int len=0;<br /> char *strlen=str;<br /> char *left=str;<br /> char temp;<br /> while(*strlen++)<br /> {<br /> len++;<br /> }<br /> strlen-=2;<br /> while(left!=strlen)<br /> {<br /> temp=*left;<br /> *left++=*strlen;<br /> *strlen--=temp;<br /> }<br /> printf("逆序后的字符串为:");</p> <p> for(int i=0;i<len;i++)<br /> {<br /> printf("%c",str[i]);</p> <p> }<br /> printf("/n");</p> <p> system("pause");<br /> return 0;<br /> }

//此段代码是以按单词来逆序</p> <p>#include <iostream><br /> #include <assert.h><br /> using namespace std;<br /> #define Max 200</p> <p>char* ReversedText(char *originalText)<br /> {<br /> int textLength = 0;<br /> int wordCount = 0;<br /> int wordlength = 0;<br /> char reversingText[Max];<br /> int i = 0;<br /> int j = 0;</p> <p>assert(originalText != NULL);<br /> textLength = strlen(originalText);<br /> reversingText[textLength] = '/0';<br /> printf("输入文本:/"%s/"/n", originalText);</p> <p>while (i < textLength)<br /> {<br /> for (j = i; (j < textLength) && (isalnum(originalText[j]) || ('-' == originalText[j])); j++)<br /> {<br /> //blank block<br /> }<br /> wordlength = j-i;</p> <p>if (wordlength > 0)<br /> {<br /> memcpy(reversingText + textLength - j, originalText + i,wordlength);<br /> wordCount++;<br /> wordlength = 0;<br /> }<br /> else<br /> {<br /> //Blank block<br /> }</p> <p>if (j < textLength)<br /> {<br /> reversingText[textLength - j - 1] = originalText[j];<br /> }<br /> else<br /> {<br /> break;<br /> }</p> <p>i = j+1;<br /> }</p> <p>reversingText[textLength] = '/0';<br /> memcpy(originalText, reversingText, textLength);<br /> printf("逆序文本:/"%s/"/n",originalText);<br /> return originalText;<br /> }</p> <p>int main()<br /> {<br /> char str[Max];<br /> printf("请输入文本:");<br /> gets(str);</p> <p> ReversedText(str);<br /> printf("/n");</p> <p> system("pause");<br /> return 0;<br /> }

#include "stdio.h"<br /> #include <iostream><br /> using namespace std;<br /> //原:"What is your name+"<br /> //目:"name+ your is What"<br /> int main(void)<br /> {<br /> char s[]="What is your name+" ;<br /> char *a = NULL ;<br /> int l = strlen(s) - 1 ;<br /> while( l-- >= 0 )<br /> {<br /> if ( *(s+l) == ' ' || !l )<br /> {<br /> a = s + l + ( ( l ) ? ( 1 ) : ( 0 ) ) ;<br /> while ( *a && *a != ' ' ) putchar( *a++ ) ;<br /> putchar(' ') ;<br /> }<br /> }<br /> printf("/n");<br /> system("pause");<br /> return 0 ;<br /> }

以上代码段在VS2008下测试通过.