UVa 839 Not so Mobile(树的递归输入) 判断一个树状天平是否平衡,每个测试样例每行4个数 wl,dl,wr,dr,当wl*dl=wr*dr时,视为这个天平平衡,当wl或wr等于0是,下一行将是一个子天平,如果子天平平衡,wl为子天平的wl+wr ,否则整个天平不平衡 #include<iostream> using namespace std; bool solve(int &w) { int wl,dl,wr,dr; cin>>wl>>dl…
Not so Mobile Before being an ubiquous communications gadget, a mobile was just a structure made of strings and wires suspending colourfull things. This kind of mobile is usually found hanging over cradles of small babies. The figure illustrates…
Before being an ubiquous communications gadget, a mobilewas just a structure made of strings and wires suspendingcolourfull things. This kind of mobile is usually found hangingover cradles of small babies.The gure illustrates a simple mobile. It is j…