QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#670240 | #7686. The Phantom Menace | crush_codemaker | WA | 620ms | 700220kb | C++14 | 4.6kb | 2024-10-23 20:59:30 | 2024-10-23 20:59:31 |
Judging History
answer
#include <bits/stdc++.h>
#define int long long
#define N 1000007
using namespace std;
int T,n,m;
char a[N],b[N];
int ah1[N],ah2[N];
int bh1[N],bh2[N];
const int b1=103;
const int p1=998244353;
const int b2=107;
const int p2=1e9+7;
int cf1[N],cf2[N];
map<pair<int,int>,int>pID;
map<pair<int,int>,int>eID;
stack<int>sk[N];
int pn,en;
int first[N<<2],nxt[N<<1],to[N<<1],tot;
int d[N<<2];
void add(int u,int v)
{
tot++;
to[tot]=v;
nxt[tot]=first[u];
first[u]=tot;
d[u]++;
d[v]--;
}
void pre()
{
ah1[0]=ah2[0]=0;
bh1[0]=bh2[0]=0;
for(int i=1;i<=n*m;i++)
{
int c=a[i]-'a';
ah1[i]=(c+(ah1[i-1]*b1)%p1)%p1;
ah2[i]=(c+(ah2[i-1]*b2)%p2)%p2;
c=b[i]-'a';
bh1[i]=(c+(bh1[i-1]*b1)%p1)%p1;
bh2[i]=(c+(bh2[i-1]*b2)%p2)%p2;
}
cf1[0]=cf2[0]=1;
for(int i=1;i<=m;i++)
{
cf1[i]=(cf1[i-1]*b1)%p1;
cf2[i]=(cf2[i-1]*b2)%p2;
}
}
pair<int,int>ah(int l,int r)
{
return {((ah1[r]-(ah1[l-1]*cf1[r-l+1])%p1)%p1+p1)%p1,((ah2[r]-(ah2[l-1]*cf2[r-l+1])%p2)%p2+p2)%p2};
}
pair<int,int>bh(int l,int r)
{
return {((bh1[r]-(bh1[l-1]*cf1[r-l+1])%p1)%p1+p1)%p1,((bh2[r]-(bh2[l-1]*cf2[r-l+1])%p2)%p2+p2)%p2};
}
pair<int,int>ap(int i,int x)
{
pair<int,int>ans=ah((i-1)*m+1,(i-1)*m+x);
ans.first=2*ans.first+1;
ans.second=2*ans.second+1;
return ans;
}
pair<int,int>as(int i,int x)
{
pair<int,int>ans=ah((i-1)*m+m-x+1,(i-1)*m+m);
ans.first=2*ans.first;
ans.second=2*ans.second;
return ans;
}
pair<int,int>bp(int i,int x)
{
pair<int,int>ans=bh((i-1)*m+1,(i-1)*m+x);
ans.first=2*ans.first;
ans.second=2*ans.second;
return ans;
}
pair<int,int>bs(int i,int x)
{
pair<int,int>ans=bh((i-1)*m+m-x+1,(i-1)*m+m);
ans.first=2*ans.first+1;
ans.second=2*ans.second+1;
return ans;
}
stack<int>path;
void dfs(int u)
{
for(int i=first[u];i;i=first[u])
{
first[u]=nxt[i];
int v=to[i];
dfs(v);
}
path.push(u);
}
int A[N],B[N];
int ta,tb;
int deal(int x)
{
for(int i=1;i<=4*n;i++)
{
first[i]=0;
d[i]=0;
}
tot=0;
for(int i=1;i<=2*n;i++)
{
while((int)sk[i].size())
{
sk[i].pop();
}
}
pID.clear();
eID.clear();
pn=0,en=0;
for(int i=1;i<=n;i++)
{
pair<int,int>fi=ap(i,x),se=as(i,m-x);
if(!pID[fi])
{
pID[fi]=++pn;
}
if(!pID[se])
{
pID[se]=++pn;
}
int fid=pID[fi],sid=pID[se];
if(!eID[{fid,sid}])
{
eID[{fid,sid}]=++en;
}
sk[eID[{fid,sid}]].push(2*i);
add(fid,sid);
}
for(int i=1;i<=n;i++)
{
pair<int,int>fi=bp(i,m-x),se=bs(i,x);
if(!pID[fi])
{
pID[fi]=++pn;
}
if(!pID[se])
{
pID[se]=++pn;
}
int fid=pID[fi],sid=pID[se];
if(!eID[{fid,sid}])
{
eID[{fid,sid}]=++en;
}
sk[eID[{fid,sid}]].push(2*i+1);
add(fid,sid);
}
for(int i=1;i<=pn;i++)
{
if(d[i]!=0)
{
return 0;
}
}
while((int)path.size())
{
path.pop();
}
dfs(1);
ta=0;tb=0;
int u=path.top();
path.pop();
while((int)path.size())
{
int v=path.top();
path.pop();
int e=eID[{u,v}];
int z=sk[e].top();
sk[e].pop();
if(z&1)
{
B[++tb]=z/2;
}
else
{
A[++ta]=z/2;
}
u=v;
}
return 1;
}
void solve()
{
scanf("%lld%lld",&n,&m);
getchar();
for(int i=1;i<=n;i++)
{
for(int j=1;j<=m;j++)
{
a[(i-1)*m+j]=getchar();
}
getchar();
}
for(int i=1;i<=n;i++)
{
for(int j=1;j<=m;j++)
{
b[(i-1)*m+j]=getchar();
}
getchar();
}
pre();
for(int i=0;i<m;i++)
{
int jj=deal(i);
if(jj)
{
for(int j=1;j<=n;j++)
{
printf("%lld ",A[j]);
}
printf("\n");
for(int j=1;j<=n;j++)
{
printf("%lld ",B[j]);
}
printf("\n");
return ;
}
}
printf("-1\n");
return ;
}
signed main()
{
cin>>T;
while(T--)
{
solve();
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 119ms
memory: 677444kb
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: 620ms
memory: 696124kb
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: 0
Accepted
time: 438ms
memory: 699832kb
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:
ok 500000 cases (500000 test cases)
Test #4:
score: 0
Accepted
time: 432ms
memory: 700012kb
input:
500000 2 1 d d b a 2 1 c d b a 2 1 b d b a 2 1 a d b a 2 1 d c b a 2 1 c c b a 2 1 b c b a 2 1 a c b a 2 1 d b b a 2 1 c b b a 2 1 b b b a 2 1 a b b a 2 1 d a b a 2 1 c a b a 2 1 b a b a 2 1 a a b a 2 1 d d a a 2 1 c d a a 2 1 b d a a 2 1 a d a a 2 1 d c a a 2 1 c c a a 2 1 b c a a 2 1 a c a a 2 1 d...
output:
-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 2 1 1 2 -1 -1 2 1 2 1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 2 1 2 1 2 1 2 1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 2 1 2 1 -1 -1 2 1 1 2 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 2 1 2 1 -1 -1 -1 -1 -1 2 1 1 2 -1 -1 -1 -1 -1 -1 -1 -1 -...
result:
ok 500000 cases (500000 test cases)
Test #5:
score: 0
Accepted
time: 399ms
memory: 699996kb
input:
333333 1 3 cbb bfa 1 3 bbb bfa 1 3 abb bfa 1 3 fab bfa 1 3 eab bfa 1 3 dab bfa 1 3 cab bfa 1 3 bab bfa 1 3 aab bfa 1 3 ffa bfa 1 3 efa bfa 1 3 dfa bfa 1 3 cfa bfa 1 3 bfa bfa 1 3 afa bfa 1 3 fea bfa 1 3 eea bfa 1 3 dea bfa 1 3 cea bfa 1 3 bea bfa 1 3 aea bfa 1 3 fda bfa 1 3 eda bfa 1 3 dda bfa 1 3 c...
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 333333 cases (333333 test cases)
Test #6:
score: 0
Accepted
time: 388ms
memory: 700008kb
input:
333333 3 1 c b b b f a 3 1 b b b b f a 3 1 a b b b f a 3 1 f a b b f a 3 1 e a b b f a 3 1 d a b b f a 3 1 c a b b f a 3 1 b a b b f a 3 1 a a b b f a 3 1 f f a b f a 3 1 e f a b f a 3 1 d f a b f a 3 1 c f a b f a 3 1 b f a b f a 3 1 a f a b f a 3 1 f e a b f a 3 1 e e a b f a 3 1 d e a b f a 3 1 c...
output:
-1 -1 -1 3 2 1 1 3 2 -1 -1 -1 -1 -1 -1 -1 -1 -1 3 2 1 3 2 1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 3 2 1 3 1 2 -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 3 2 1 2 3 1 -1 -1 -1 -1 -...
result:
ok 333333 cases (333333 test cases)
Test #7:
score: 0
Accepted
time: 400ms
memory: 681824kb
input:
250000 1 4 hbca fhaa 1 4 gbca fhaa 1 4 fbca fhaa 1 4 ebca fhaa 1 4 dbca fhaa 1 4 cbca fhaa 1 4 bbca fhaa 1 4 abca fhaa 1 4 haca fhaa 1 4 gaca fhaa 1 4 faca fhaa 1 4 eaca fhaa 1 4 daca fhaa 1 4 caca fhaa 1 4 baca fhaa 1 4 aaca fhaa 1 4 hhba fhaa 1 4 ghba fhaa 1 4 fhba fhaa 1 4 ehba fhaa 1 4 dhba fhaa...
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 250000 cases (250000 test cases)
Test #8:
score: 0
Accepted
time: 377ms
memory: 700212kb
input:
250000 4 1 h b c a f h a a 4 1 g b c a f h a a 4 1 f b c a f h a a 4 1 e b c a f h a a 4 1 d b c a f h a a 4 1 c b c a f h a a 4 1 b b c a f h a a 4 1 a b c a f h a a 4 1 h a c a f h a a 4 1 g a c a f h a a 4 1 f a c a f h a a 4 1 e a c a f h a a 4 1 d a c a f h a a 4 1 c a c a f h a a 4 1 b a c a f...
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 4 3 2 1 4 3 2 1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 ...
result:
ok 250000 cases (250000 test cases)
Test #9:
score: 0
Accepted
time: 409ms
memory: 700176kb
input:
200000 1 5 jjjjj baaaa 1 5 ijjjj baaaa 1 5 hjjjj baaaa 1 5 gjjjj baaaa 1 5 fjjjj baaaa 1 5 ejjjj baaaa 1 5 djjjj baaaa 1 5 cjjjj baaaa 1 5 bjjjj baaaa 1 5 ajjjj baaaa 1 5 jijjj baaaa 1 5 iijjj baaaa 1 5 hijjj baaaa 1 5 gijjj baaaa 1 5 fijjj baaaa 1 5 eijjj baaaa 1 5 dijjj baaaa 1 5 cijjj baaaa 1 5 b...
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 200000 cases (200000 test cases)
Test #10:
score: 0
Accepted
time: 314ms
memory: 683592kb
input:
200000 5 1 j j j j j b a a a a 5 1 i j j j j b a a a a 5 1 h j j j j b a a a a 5 1 g j j j j b a a a a 5 1 f j j j j b a a a a 5 1 e j j j j b a a a a 5 1 d j j j j b a a a a 5 1 c j j j j b a a a a 5 1 b j j j j b a a a a 5 1 a j j j j b a a a a 5 1 j i j j j b a a a a 5 1 i i j j j b a a a a 5 1 h...
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 200000 cases (200000 test cases)
Test #11:
score: -100
Wrong Answer
time: 410ms
memory: 700220kb
input:
250000 2 2 hb ca fh aa 2 2 gb ca fh aa 2 2 fb ca fh aa 2 2 eb ca fh aa 2 2 db ca fh aa 2 2 cb ca fh aa 2 2 bb ca fh aa 2 2 ab ca fh aa 2 2 ha ca fh aa 2 2 ga ca fh aa 2 2 fa ca fh aa 2 2 ea ca fh aa 2 2 da ca fh aa 2 2 ca ca fh aa 2 2 ba ca fh aa 2 2 aa ca fh aa 2 2 hh ba fh aa 2 2 gh ba fh aa 2 2 f...
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 2 1 2 1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 1 1 ...
result:
wrong answer p is not permutation (test case 97)