传送门：http://www.51nod.com/onlineJudge/questionCode.html#!problemId=1095

解析

最终答案=单个字符串排序后 哈希值相同的个数 - 未排序时 字符串相同的个数

#include <cstdio>
#include <cstring>
#include <cmath>
#include <algorithm>
#include <set>
#define LL long long

using namespace std;

const LL bse = 131;
const LL mod = 212370440130137957 ;

inline int wread(){
	char c(getchar ());int wans(0),flag(1);
	while (c<'0' || c>'9'){if (c=='-') flag=-1;c=getchar ();}
	while (c>='0' && c<='9'){wans=wans*10+c-'0';c=getchar ();}
	return wans*=flag;
} 

void init (){
	freopen ("A.in","r",stdin);
	freopen ("A.out","w",stdout);
}

LL get_hash(char s[]){
	int len(strlen(s));
	LL ans(0);
	
	for (int i(0);i<len;++i)
		ans=(ans*bse+(LL)s[i])%mod;
	
	return ans;
}

int n,m;
multiset <LL> cnt1;
multiset <LL> cnt2;

int main (){
//	init ();
	n=wread();
	for (int i(1);i<=n;++i){
		char c[14];
		scanf ("%s",c);
		cnt1.insert (get_hash(c));
		sort (c,c+strlen (c));
		cnt2.insert (get_hash(c));
	}
	m=wread();
	while (m--){
		char c[14];
		scanf ("%s",c);
		int num2(cnt1.count (get_hash(c)));
		sort (c,c+strlen (c));
		int num1(cnt2.count (get_hash(c)));
		printf("%d\n",num1-num2);	
	}
	return 0;
}