#include #include int hash[128]; struct TrieNode{ int no; TrieNode *next[10]; }node[30005]; TrieNode *root = &node[0]; int cnt,result[5005]; char word[10],s[10]; void init() { hash['a']=hash['b']=hash['c']=2; hash['d']=hash['e']=hash['f']=3; hash['g']=hash['h']=hash['i']=4; hash['j']=hash['k']=hash['l']=5; hash['m']=hash['n']=hash['o']=6; hash['p']=hash['q']=hash['r']=hash['s']=7; hash['t']=hash['u']=hash['v']=8; hash['w']=hash['x']=hash['y']=hash['z']=9; } void initRoot() { int i; for(i=0;i<10;i++) { root->next[i]=NULL; } } void insert(char str[],int num) { TrieNode *p = root; int len=strlen(str),i,j; for(i=0;inext[str[i]-'0']==NULL) { p->next[str[i]-'0']=&node[cnt]; for(j=0;j<10;j++)node[cnt].next[j]=NULL; node[cnt].no=-1; cnt++; } p=p->next[str[i]-'0']; } p->no=num; } void query(char str[]) { int len=strlen(str),i; TrieNode *p=root; for(i=0;inext[hash[str[i]]]; if(p==NULL)break; } if(p==NULL)return; else{ if(p->no!=-1)result[p->no]++; } } int main() { int t,m,n,i; scanf("%d",&t); init(); while(t--) { cnt=1; initRoot(); memset(result,0,sizeof(result)); scanf("%d%d",&n,&m); for(i=0;i