摘要：
Expanding RodsTime Limit:1000MSMemory Limit:30000KTotal Submissions:10187Accepted:2593DescriptionWhen a thin rod of length L is heated n degrees, it expands to a new length L'=(1+n*C)*L, where C is the coefficient of heat expansion.When a thin rod is mounted on two solid walls and then he... 阅读全文
摘要：
一些关于GCD的代码。。。。 1 #include 2 #include 3 #include 4 5 using namespace std; 6 7 typedef long long int LL; 8 9 LL EX_GCD(LL a,LL b,LL& x,LL& y)10 {11 if(b==0)12 {13 x=1;y=0;14 return a;15 }16 else17 {18 LL ret=EX_GCD(b,a%b,x,y);19 int t=x;20 ... 阅读全文