QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#527280#7686. The Phantom MenacehansiyuanWA 661ms274220kbC++142.4kb2024-08-22 13:22:572024-08-22 13:22:58

Judging History

你现在查看的是最新测评结果

  • [2024-10-08 14:11:03]
  • hack成功,自动添加数据
  • (/hack/941)
  • [2024-10-08 10:05:28]
  • hack成功,自动添加数据
  • (/hack/940)
  • [2024-10-07 19:51:15]
  • hack成功,自动添加数据
  • (/hack/938)
  • [2024-10-07 19:28:01]
  • hack成功,自动添加数据
  • (/hack/937)
  • [2024-10-07 17:16:32]
  • hack成功,自动添加数据
  • (/hack/936)
  • [2024-10-07 16:53:09]
  • hack成功,自动添加数据
  • (/hack/935)
  • [2024-10-07 16:22:17]
  • hack成功,自动添加数据
  • (/hack/934)
  • [2024-08-22 13:22:58]
  • 评测
  • 测评结果:WA
  • 用时:661ms
  • 内存:274220kb
  • [2024-08-22 13:22:57]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
typedef long long lol;
const int N=4e6+5;
const lol p1=131,p2=1e9+9,nip=526717562;
int T,n,m,tot,cnt[3],ok;
int p[N];
int res[N][3];
lol pw[N];
string A[N],B[N];
lol Alh[N],Blh[N],Arh[N],Brh[N];
map<string,vector<int> > mp;
map<int,int> mpl,mpr;
int h[N],to[N],ne[N],we[N],idx;
void add(int u,int v,int w){
	to[++idx]=v; we[idx]=w; ne[idx]=h[u]; h[u]=idx;
}
void add_front(lol &hsh,int x){
	hsh = (hsh*p1+x)%p2;
}
void add_back(lol &hsh,int x,int p){
	hsh = (hsh+pw[p]*x%p2)%p2;
}
void del_front(lol &hsh,int x){
	hsh = (hsh-x+p2)%p2*nip%p2;
}
void del_back(lol &hsh,int x,int p){
	hsh = (hsh-pw[p]*x%p2+p2)%p2;
}
void init(){
	ok=0;
	mp.clear();
	for(int i=1;i<=n;i++)
		Alh[i] = Blh[i] = Arh[i] = Brh[i] = 0;
}
void dfs(int u,int op){
	for(int i=h[u];i;i=ne[i]){
		h[u] = ne[i];
		int v = to[i];
		res[++cnt[op]][op]=we[i];
		dfs(v,3-op);
	}
}
int main(){
	//int a = clock();
	pw[0] = 1;
	for(int i=1;i<=1e6;i++) pw[i]=(pw[i-1]*p1)%p2;
	scanf("%d",&T);
	while(T--){
		init();
		scanf("%d%d",&n,&m);
		for(int i=1;i<=n;i++) cin>>A[i];
		for(int i=1;i<=n;i++) cin>>B[i];
		bool flag=1;
		for(int i=1;i<=n;i++) mp[A[i]].push_back(i);
		for(int i=1;i<=n;i++){
			if(!mp[B[i]].size()){flag=0; break;}
			p[mp[B[i]].back()] = i;
			mp[B[i]].pop_back();
		}
		if(flag){
			for(int i=1;i<=n;i++) printf("%d ",i); puts("");
			for(int i=1;i<=n;i++) printf("%d ",p[i]); puts("");
			continue;
		}
		for(int i=1;i<=n;i++)
			for(int j=0;j<m;j++){
				add_back(Arh[i],A[i][j]-'a'+1,j);
				add_back(Brh[i],B[i][j]-'a'+1,j);
			}
		for(int p=0;p<m-1;p++){
			for(int i=1;i<=tot;i++) h[i]=0; idx=0;
			mpl.clear(); mpr.clear(); tot=0;
			cnt[1]=cnt[2]=0;
			for(int i=1;i<=n;i++){
				int ca=A[i][p]-'a'+1,cb=B[i][m-p-1]-'a'+1;
				del_front(Arh[i],ca);
				del_back(Brh[i],cb,m-p-1);
				add_back(Alh[i],ca,p);
				add_front(Blh[i],cb);
			}
			for(int i=1;i<=n;i++){
				if(!mpl[Alh[i]]) mpl[Alh[i]]=++tot;
				if(!mpr[Arh[i]]) mpr[Arh[i]]=++tot;
				add(mpl[Alh[i]],mpr[Arh[i]],i);
			}
			for(int i=1;i<=n;i++){
				if(!mpl[Blh[i]]) mpl[Blh[i]]=++tot;
				if(!mpr[Brh[i]]) mpr[Brh[i]]=++tot;
				add(mpr[Brh[i]],mpl[Blh[i]],i);
			}
			dfs(1,1);
			if(cnt[1]==n && cnt[2]==n){
				ok=1;
				for(int i=1;i<=n;i++) printf("%d ",res[i][1]); puts("");
				for(int i=1;i<=n;i++) printf("%d ",res[i][2]); puts("");
				break;
			}
		}
		if(!ok) puts("-1");
	}
	//cerr<<clock()-a<<"ms"<<endl;
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 28ms
memory: 272080kb

input:

2
3 3
abc
ghi
def
bcd
efg
hia
1 3
abc
def

output:

1 3 2 
1 2 3 
-1

result:

ok 2 cases (2 test cases)

Test #2:

score: 0
Accepted
time: 661ms
memory: 274116kb

input:

1000000
1 1
b
b
1 1
a
b
1 1
b
a
1 1
a
a
1 1
b
b
1 1
a
b
1 1
b
a
1 1
a
a
1 1
b
b
1 1
a
b
1 1
b
a
1 1
a
a
1 1
b
b
1 1
a
b
1 1
b
a
1 1
a
a
1 1
b
b
1 1
a
b
1 1
b
a
1 1
a
a
1 1
b
b
1 1
a
b
1 1
b
a
1 1
a
a
1 1
b
b
1 1
a
b
1 1
b
a
1 1
a
a
1 1
b
b
1 1
a
b
1 1
b
a
1 1
a
a
1 1
b
b
1 1
a
b
1 1
b
a
1 1
a
a
1 1
...

output:

1 
1 
-1
-1
1 
1 
1 
1 
-1
-1
1 
1 
1 
1 
-1
-1
1 
1 
1 
1 
-1
-1
1 
1 
1 
1 
-1
-1
1 
1 
1 
1 
-1
-1
1 
1 
1 
1 
-1
-1
1 
1 
1 
1 
-1
-1
1 
1 
1 
1 
-1
-1
1 
1 
1 
1 
-1
-1
1 
1 
1 
1 
-1
-1
1 
1 
1 
1 
-1
-1
1 
1 
1 
1 
-1
-1
1 
1 
1 
1 
-1
-1
1 
1 
1 
1 
-1
-1
1 
1 
1 
1 
-1
-1
1 
1 
1 
1 
-1
-1
...

result:

ok 1000000 cases (1000000 test cases)

Test #3:

score: -100
Wrong Answer
time: 415ms
memory: 274220kb

input:

500000
1 2
dd
ba
1 2
cd
ba
1 2
bd
ba
1 2
ad
ba
1 2
dc
ba
1 2
cc
ba
1 2
bc
ba
1 2
ac
ba
1 2
db
ba
1 2
cb
ba
1 2
bb
ba
1 2
ab
ba
1 2
da
ba
1 2
ca
ba
1 2
ba
ba
1 2
aa
ba
1 2
dd
aa
1 2
cd
aa
1 2
bd
aa
1 2
ad
aa
1 2
dc
aa
1 2
cc
aa
1 2
bc
aa
1 2
ac
aa
1 2
db
aa
1 2
cb
aa
1 2
bb
aa
1 2
ab
aa
1 2
da
aa
1 2...

output:

-1
-1
-1
-1
-1
-1
-1
-1
1 
1 
1 
1 
1 
1 
1 
1 
-1
-1
1 
1 
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
1 
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
1 
1 
-1
-1
1 
1 
1 
1 
1 
1 
1 
1 
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
1 
1 
-1
-1
-1
-1
-1
1 
1 
1 
1 
1 
1 
1 
1 
-1
...

result:

wrong answer not cyclic isomorphism (test case 9)