摘要：
代码 Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--x=x*2;/*n(1+n)/2=x*/n=(int)sqrt(x);/*a*b=c^2thena<=c<=b,son<=sqrt(2x)<=n+1*/for(;n>=... 阅读全文
摘要：
大概思路：用一个变量记录当前搜索的步数m，枚举m步内的所有组合，为了保证唯一，按降序枚举代码Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--voidsplitN(intn,intm){for(inti=1;i<=n;++i){if(x[m-1]&... 阅读全文