摘要：
http://acm.hdu.edu.cn/showproblem.php?pid=1032View Code #include"iostream"using namespace std;int i,j,Max=0;int fun(int x,int y){ for(i=x; i<=y; i++) { int count=1; int xx=i; while(xx!=1) { if(xx%2!=0) xx=3*xx+1; else xx=xx/2; count++; } if(count>Max) Max=count; } return Max;}int mai 阅读全文
