学步园

#include <iostream>
using namespace std;

struct trie
{
	trie():occur(0){
		for(int i = 0; i < 26; ++i)
			next[i] = NULL;
	}
	trie *next[26];
	int occur;
};

trie *root = new trie;

void insert(char *a)
{
	int len = strlen(a);
	trie *p = root;
	for(int i = 0; i < len; ++i)
	{
		if(! (p->next[a[i] - 'a']) )
		{
			trie *t = new trie;
			t->occur = 1;
			p->next[a[i] - 'a'] = t;
		}
		else
			p->next[a[i] - 'a']->occur ++;
			
		p = p->next[a[i] - 'a'];
	}	
}

int search(const char * targ)
{
	int len = strlen(targ);
	trie *p = root;
	
	for(int i = 0; i < len; ++i)
	{
		if(!p->next[targ[i] - 'a'])
			return 0;
		else
			p = p->next[targ[i] - 'a'];
	}	
	if(p)
		return p->occur;
	else
		return 0;
}

int main(void)
{
	//freopen("1.txt", "r", stdin);
	char a[10],b[10];
	while(gets(a) && a[0])
		insert(a);	
	while(gets(b))
		cout << search(b) << endl;
	return 0;
}