<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[languagec的专栏]]></title><description><![CDATA[]]></description><link>https://blog.csdn.net/languagec</link><language>zh-cn</language><generator>https://blog.csdn.net/</generator><copyright><![CDATA[Copyright &copy; languagec]]></copyright><item><title><![CDATA[由索引向组合串的转换]]></title><link>https://blog.csdn.net/languagec/article/details/658431</link><guid>https://blog.csdn.net/languagec/article/details/658431</guid><author>languagec</author><pubDate>Tue, 11 Apr 2006 09:53:00 +0800</pubDate><description><![CDATA[#include "stdio.h"#include "stdlib.h"int main(){ int index; while(scanf("%d",&index)!=EOF) {  int mod[]={40320,5040,720,120,24,6,2,1};  char src[]="012345678";  for(int i=0;i  {   putchar( src[index]]></description><category></category></item><item><title><![CDATA[组合串和组合串索引的转换]]></title><link>https://blog.csdn.net/languagec/article/details/658429</link><guid>https://blog.csdn.net/languagec/article/details/658429</guid><author>languagec</author><pubDate>Tue, 11 Apr 2006 09:50:00 +0800</pubDate><description><![CDATA[#include "stdio.h"#include "stdlib.h"int main(){ char str[20]; while(scanf("%s",str)!=EOF) {  int index=0;  int step[]={40320,5040,720,120,24,6,2,1};  for(int i=0;i  {   index+=(str[i]-0)*step[i];]]></description><category></category></item></channel></rss>