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UVA839 天平 Not so Mobile
UVA839 天平 Not so Mobile #include<bits/stdc++.h> using namespace std; #define debug(x) cout<<"# "<<x<<" "<<endl; typedef long long ll; const ll mod=2147483647; const ll N=1e5+7; /*输入一个子天平，返回子天平是否平衡，参数w修改UVa839
这个引用好精髓。 1 #include <iostream> 2 #include <cstring> 3 #include <string> 4 #include <map> 5 #include <set> 6 #include <algorithm> 7 #include <fstream> 8 #include <cstdio> 9 #include <cmath>10 #includeUVA839 Not so Mobile【递归树】
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 a simple mobile. It