#include<bits/stdc++.h>
using namespace std;
bitset<2500>ext;
bool phase=0;
typedef long long ll;
ll p1=10061,p2=100000007,n1=396,n2=117;
ll PW(ll X,ll Y,ll P)
{
ll I=1ll<<62,cs=1;
for(;I;I>>=1)
{
cs=cs*cs%P;
if(I&Y)cs=cs*X%P;
}
return cs;
}
int N,K;
ll PS1,PS2;
vector<int>V;
struct C{
int H1,H2;
int from;
C RG(C&X)
{
return {((H1-X.H1*PS1)%p1+p1)%p1,((H2-X.H2*PS2)%p2+p2)%p2};
}
bool operator<(const C&X)const{return H1==X.H1?H2<X.H2:H1<X.H1;}
bool operator==(const C&X)const{return H1==X.H1&&H2==X.H2;}
};
vector<C>VC,TV,TTV;
void BH(int n)
{
int i;
TV.resize(n+1);
for(i=0;i<n;i++)
TV[i+1]={(TV[i].H1*n1+V[i])%p1,(TV[i].H2*n2+V[i])%p2};
}
int in()
{
int M;
cin>>M;
V.resize(M);
for(int&I:V)cin>>I;
return M;
}
void getH()
{
TTV.clear();
for(int i=K;i<=TV.size();i++)
{
TTV.push_back(TV[i].RG(TV[i-K]));
}
}
void first()
{
int L=in();
BH(L);
getH();
VC.clear();
VC.insert(VC.end(),TTV.begin(),TTV.end());
sort(VC.begin(),VC.end());
VC.resize(distance(VC.begin(),unique(VC.begin(),VC.end())) );
for(auto&I:VC)I.from=(&I-&VC[0]);
}
void second()
{
ext.reset();
int L=in();
BH(L);
getH();
for(auto&I:TTV)
{
if(I==*lower_bound(VC.begin(),VC.end(),I))
ext[(*lower_bound(VC.begin(),VC.end(),I)).from]=1;
}
reverse(V.begin(), V.end());
BH(L);
getH();
for(auto&I:TTV)
{
if(I==*lower_bound(VC.begin(),VC.end(),I))
ext[(*lower_bound(VC.begin(),VC.end(),I)).from]=1;
}
int w=0;
for(auto&I:VC)
{
if(ext[I.from])
VC[w++]=I;
}
VC.resize(w);
}
int main()
{
ios::sync_with_stdio(0);
cin.tie(0);
cin>>N>>K;
PS1=PW(n1,K,p1),PS2=PW(n2,K,p2);
first();
int i;
for(i=1;i<N;i++)
second();
printf("%s",VC.empty()? "NO":"YES");
}
Compilation message
vaccine.cpp: In member function 'C C::RG(C&)':
vaccine.cpp:25:34: warning: narrowing conversion of '((((((ll)((C*)this)->C::H1) - (((ll)X.C::H1) * PS1)) % p1) + p1) % p1)' from 'll {aka long long int}' to 'int' inside { } [-Wnarrowing]
return {((H1-X.H1*PS1)%p1+p1)%p1,((H2-X.H2*PS2)%p2+p2)%p2};
~~~~~~~~~~~~~~~~~~~~~^~~
vaccine.cpp:25:59: warning: narrowing conversion of '((((((ll)((C*)this)->C::H2) - (((ll)X.C::H2) * PS2)) % p2) + p2) % p2)' from 'll {aka long long int}' to 'int' inside { } [-Wnarrowing]
return {((H1-X.H1*PS1)%p1+p1)%p1,((H2-X.H2*PS2)%p2+p2)%p2};
~~~~~~~~~~~~~~~~~~~~~^~~
vaccine.cpp: In function 'void BH(int)':
vaccine.cpp:36:36: warning: narrowing conversion of '(((((ll)TV.std::vector<C>::operator[](((std::vector<C>::size_type)i)).C::H1) * n1) + ((ll)V.std::vector<int>::operator[](((std::vector<int>::size_type)i)))) % p1)' from 'll {aka long long int}' to 'int' inside { } [-Wnarrowing]
TV[i+1]={(TV[i].H1*n1+V[i])%p1,(TV[i].H2*n2+V[i])%p2};
~~~~~~~~~~~~~~~~~~^~~
vaccine.cpp:36:58: warning: narrowing conversion of '(((((ll)TV.std::vector<C>::operator[](((std::vector<C>::size_type)i)).C::H2) * n2) + ((ll)V.std::vector<int>::operator[](((std::vector<int>::size_type)i)))) % p2)' from 'll {aka long long int}' to 'int' inside { } [-Wnarrowing]
TV[i+1]={(TV[i].H1*n1+V[i])%p1,(TV[i].H2*n2+V[i])%p2};
~~~~~~~~~~~~~~~~~~^~~
vaccine.cpp: In function 'void getH()':
vaccine.cpp:49:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=K;i<=TV.size();i++)
~^~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
452 KB |
Output is correct |
3 |
Correct |
2 ms |
452 KB |
Output is correct |
4 |
Correct |
2 ms |
452 KB |
Output is correct |
5 |
Correct |
2 ms |
452 KB |
Output is correct |
6 |
Correct |
2 ms |
452 KB |
Output is correct |
7 |
Correct |
2 ms |
592 KB |
Output is correct |
8 |
Correct |
2 ms |
592 KB |
Output is correct |
9 |
Correct |
2 ms |
592 KB |
Output is correct |
10 |
Correct |
2 ms |
592 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
592 KB |
Output is correct |
2 |
Correct |
3 ms |
592 KB |
Output is correct |
3 |
Correct |
2 ms |
592 KB |
Output is correct |
4 |
Correct |
2 ms |
596 KB |
Output is correct |
5 |
Correct |
2 ms |
600 KB |
Output is correct |
6 |
Correct |
2 ms |
600 KB |
Output is correct |
7 |
Correct |
3 ms |
600 KB |
Output is correct |
8 |
Correct |
5 ms |
600 KB |
Output is correct |
9 |
Correct |
2 ms |
600 KB |
Output is correct |
10 |
Correct |
2 ms |
600 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
600 KB |
Output is correct |
2 |
Correct |
3 ms |
600 KB |
Output is correct |
3 |
Correct |
2 ms |
600 KB |
Output is correct |
4 |
Correct |
3 ms |
600 KB |
Output is correct |
5 |
Correct |
2 ms |
624 KB |
Output is correct |
6 |
Correct |
2 ms |
624 KB |
Output is correct |
7 |
Correct |
2 ms |
636 KB |
Output is correct |
8 |
Correct |
3 ms |
636 KB |
Output is correct |
9 |
Correct |
4 ms |
636 KB |
Output is correct |
10 |
Correct |
2 ms |
636 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
636 KB |
Output is correct |
2 |
Correct |
3 ms |
636 KB |
Output is correct |
3 |
Correct |
4 ms |
636 KB |
Output is correct |
4 |
Correct |
3 ms |
636 KB |
Output is correct |
5 |
Correct |
3 ms |
636 KB |
Output is correct |
6 |
Correct |
4 ms |
636 KB |
Output is correct |
7 |
Correct |
3 ms |
736 KB |
Output is correct |
8 |
Correct |
2 ms |
740 KB |
Output is correct |
9 |
Correct |
3 ms |
740 KB |
Output is correct |
10 |
Correct |
3 ms |
740 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
740 KB |
Output is correct |
2 |
Correct |
7 ms |
740 KB |
Output is correct |
3 |
Correct |
9 ms |
740 KB |
Output is correct |
4 |
Correct |
22 ms |
740 KB |
Output is correct |
5 |
Correct |
5 ms |
740 KB |
Output is correct |
6 |
Correct |
6 ms |
740 KB |
Output is correct |
7 |
Correct |
8 ms |
944 KB |
Output is correct |
8 |
Correct |
12 ms |
948 KB |
Output is correct |
9 |
Correct |
18 ms |
948 KB |
Output is correct |
10 |
Correct |
16 ms |
1252 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
14 ms |
1252 KB |
Output is correct |
2 |
Correct |
24 ms |
1252 KB |
Output is correct |
3 |
Correct |
27 ms |
1252 KB |
Output is correct |
4 |
Correct |
13 ms |
1252 KB |
Output is correct |
5 |
Correct |
21 ms |
1616 KB |
Output is correct |
6 |
Correct |
21 ms |
1980 KB |
Output is correct |
7 |
Correct |
23 ms |
2148 KB |
Output is correct |
8 |
Correct |
19 ms |
2148 KB |
Output is correct |
9 |
Correct |
32 ms |
2492 KB |
Output is correct |
10 |
Correct |
22 ms |
2848 KB |
Output is correct |