poj 1057 trie树

#include<iostream>#include<cstring>#include<cstdio>#include<cmath>#include<algorithm>#include<cstdlib>#include<map>#include<queue>#include <deque>#include <list>#include <ctime>#include <stack>#include <vector>#include<iomanip>#include<set>#define Maxn#define modtypedef long long ll;#define FOR(i,j,n) for(int i=j;i<=n;i++)#define DFR(i,j,k) for(int i=j;i>=k;--i)#define lowbit(a) a&-a#define lson l,m,rt<<1#define rson m+1,r,rt<<1|1#define mem(a) memset(a,0,sizeof(a))#define eps 1e-9const int inf = 0x3f3f3f3f;const double pi = acos(-1.0);using namespace std;int main(){    return 0;}