QOJ.ac

QOJ

ID题目提交者结果用时内存语言文件大小提交时间测评时间
#881786#10041. Periodic SequenceNana7WA 18ms14412kbC++201.2kb2025-02-04 18:04:382025-02-04 18:04:39

Judging History

This is the latest submission verdict.

  • [2025-02-04 18:04:39]
  • Judged
  • Verdict: WA
  • Time: 18ms
  • Memory: 14412kb
  • [2025-02-04 18:04:38]
  • Submitted

answer

#include<bits/stdc++.h>
#define I inline
using namespace std;

const int N = 1000010;
int a[N],b[N],nxt[N],nxtb[N];
int n,m;

I void gnxt(int l) {
	int j=0;
	for(int i=1;i<l;++i) {
		while(j&&a[j+1]!=a[i+1]) j=nxt[j];
		if(a[i+1]==a[j+1]) j++;
		nxt[i+1]=j;
	}
}
I void gnxtb() {
	int j=0;
	for(int i=1;i<m;++i) {
		while(j&&b[j+1]!=b[i+1]) j=nxtb[j];
		if(b[i+1]==b[j+1]) j++;
		nxtb[i+1]=j;
	}
}
I void solve() {
	cin>>n>>m;
	for(int i=1;i<=n;++i) cin>>a[i];
	for(int i=1;i<=m;++i) cin>>b[i];
//	if(n<m) {
//		swap(a,b);
//		swap(m,n);
//	}
	
	//求a和b循环节 
	int xh1=n,xh2=m;
	gnxt(n); gnxtb();
	if(m%(m-nxtb[m])==0) xh2=m-nxtb[m];
	if(n%(n-nxt[n])==0) xh1=n-nxt[n];
	
	//长度是否相等
	srand(time(0));
	int rd=rand();
	if(xh1!=xh2) {
		cout<<"NO"<<endl;
		return ;
	}
	//a循环节的两倍是否包含 b循环节 
	for(int i=xh1+1;i<=xh1*2;++i) a[i]=a[i-xh1];
	gnxt(xh1*2);
	int l=0;
	for(int i=0;i<xh1*2;++i) {
		while(l&&a[i+1]!=b[l+1]) l=nxt[l];
		if(a[i+1]==b[l+1]) l++;
		if(l==xh2) {
			cout<<"YES"<<endl;
			return ;
		}
	}
	if(n==83160) {
		cout<<xh1<<' '<<xh2<<' '<<l<<endl;
	}
	cout<<"NO"<<endl;
}
int main()
{
	solve();	
} 

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 9808kb

input:

6 3
1 5 6 1 5 6
6 1 5

output:

YES

result:

ok answer is YES

Test #2:

score: 0
Accepted
time: 0ms
memory: 9764kb

input:

7 3
1 5 6 1 5 6 7
5 6 7

output:

NO

result:

ok answer is NO

Test #3:

score: 0
Accepted
time: 0ms
memory: 9804kb

input:

2 3
3 3
3 3 3

output:

YES

result:

ok answer is YES

Test #4:

score: 0
Accepted
time: 0ms
memory: 9932kb

input:

3 2
3 3 3
3 3

output:

YES

result:

ok answer is YES

Test #5:

score: 0
Accepted
time: 0ms
memory: 9936kb

input:

27 81
3 3 9 6 5 8 3 8 7 0 6 3 2 0 5 1 0 5 9 0 3 6 8 1 1 3 5
3 9 6 5 8 3 8 7 0 6 3 2 0 5 1 0 5 9 0 3 6 8 1 1 3 5 3 3 9 6 5 8 3 8 7 0 6 3 2 0 5 1 0 5 9 0 3 6 8 1 1 3 5 3 3 9 6 5 8 3 8 7 0 6 3 2 0 5 1 0 5 9 0 3 6 8 1 1 3 5 3

output:

YES

result:

ok answer is YES

Test #6:

score: 0
Accepted
time: 0ms
memory: 9800kb

input:

42 42
8 1 3 2 8 0 1 1 9 2 4 8 9 2 8 1 3 2 8 0 1 1 9 2 4 8 9 2 8 1 3 2 8 0 1 1 9 2 4 8 9 2
3 2 8 0 1 1 9 2 4 8 9 2 8 1 3 2 8 0 1 1 9 2 4 8 9 2 8 1 3 2 8 0 1 1 9 2 4 8 9 2 8 1

output:

YES

result:

ok answer is YES

Test #7:

score: 0
Accepted
time: 0ms
memory: 9932kb

input:

55 22
3 9 5 8 5 2 4 6 4 3 9 3 9 5 8 5 2 4 6 4 3 9 3 9 5 8 5 2 4 6 4 3 9 3 9 5 8 5 2 4 6 4 3 9 3 9 5 8 5 2 4 6 4 3 9
4 6 4 3 9 3 9 5 8 5 2 4 6 4 3 9 3 9 5 8 5 2

output:

YES

result:

ok answer is YES

Test #8:

score: 0
Accepted
time: 0ms
memory: 9756kb

input:

27 81
9 6 8 1 4 2 3 2 6 0 6 0 1 2 0 0 8 8 0 9 2 7 5 9 1 7 2
2 7 5 9 1 7 2 9 6 1 1 4 2 3 2 6 0 6 0 1 2 0 0 8 8 0 9 2 7 5 9 1 7 2 9 6 1 1 4 2 3 2 6 0 6 0 1 2 0 0 8 8 0 9 2 7 5 9 1 7 2 9 6 1 4 4 2 3 2 6 0 6 0 1 2 0 0 8 8 0 9

output:

NO

result:

ok answer is NO

Test #9:

score: 0
Accepted
time: 0ms
memory: 9888kb

input:

69 69
9 0 6 7 3 4 8 0 7 1 5 3 7 4 0 7 8 9 2 4 3 6 9 9 0 6 8 3 4 8 0 7 1 5 3 7 4 0 7 8 9 2 4 3 6 9 9 0 6 7 3 4 8 0 7 1 5 3 7 4 0 7 8 9 2 4 3 6 9
4 0 7 8 9 2 4 3 6 9 9 0 6 7 3 4 8 0 7 1 5 3 7 4 0 7 8 9 2 4 3 6 9 9 0 6 7 3 4 8 0 7 1 5 3 7 4 0 7 8 9 2 4 8 6 9 9 0 6 7 3 4 8 0 7 1 5 3 7

output:

NO

result:

ok answer is NO

Test #10:

score: 0
Accepted
time: 13ms
memory: 10060kb

input:

63088 63088
2 1 1 0 9 4 3 0 1 0 7 0 2 8 6 9 8 9 5 1 5 1 0 7 7 1 5 0 9 0 4 1 3 3 7 6 2 8 3 2 2 6 7 6 9 8 7 3 8 3 1 4 0 7 8 3 7 2 6 1 1 3 4 9 1 2 3 1 1 6 4 7 5 7 1 2 2 0 5 8 6 0 2 0 4 2 9 9 5 9 1 8 1 5 9 0 1 4 7 6 0 6 3 0 0 5 1 5 1 7 6 2 7 3 8 1 6 1 4 1 6 7 4 2 4 3 1 3 3 6 6 3 5 3 5 1 5 0 4 5 7 4 6 1 ...

output:

NO

result:

ok answer is NO

Test #11:

score: 0
Accepted
time: 8ms
memory: 9928kb

input:

32051 32051
3 5 1 3 5 1 5 8 2 6 9 4 8 0 0 2 4 4 7 8 9 6 1 4 2 5 3 0 5 4 2 6 4 3 1 1 6 0 5 1 6 2 9 3 2 5 0 7 9 1 3 0 9 1 5 0 7 4 3 5 0 6 5 6 2 3 0 7 1 2 7 2 0 5 8 5 1 2 9 5 0 0 2 6 2 7 2 4 0 9 7 4 9 8 7 0 7 6 8 3 4 9 6 7 4 9 1 1 6 5 8 4 5 8 5 2 9 1 0 2 7 1 7 0 6 9 3 1 0 6 4 3 7 8 3 5 8 4 2 1 5 6 3 5 ...

output:

NO

result:

ok answer is NO

Test #12:

score: 0
Accepted
time: 7ms
memory: 9932kb

input:

30020 60040
4 5 4 6 4 6 8 3 1 3 3 4 7 3 4 5 5 5 5 7 3 3 6 5 5 2 1 2 6 5 0 4 3 0 9 0 6 0 3 0 7 1 1 7 6 4 3 1 4 3 5 6 1 2 4 9 2 9 8 3 2 4 2 5 5 3 3 8 2 7 4 1 3 0 5 0 7 7 8 3 5 1 2 0 8 2 9 9 7 8 9 1 6 6 5 4 3 3 0 6 3 2 0 6 6 8 2 6 2 2 2 6 8 4 2 5 9 8 6 2 9 9 0 2 4 4 3 6 0 8 5 7 8 4 0 7 3 9 9 7 2 8 6 1 ...

output:

NO

result:

ok answer is NO

Test #13:

score: 0
Accepted
time: 11ms
memory: 9932kb

input:

31549 63098
1 8 9 8 8 5 9 5 3 6 2 7 6 7 4 5 9 9 4 1 5 9 1 2 4 6 2 8 0 2 6 0 1 1 8 2 6 2 1 9 4 7 0 8 6 9 1 7 3 4 1 0 1 4 7 9 6 4 5 5 9 7 3 8 7 0 0 3 1 2 5 5 8 8 1 4 9 0 3 5 9 2 8 1 1 7 7 6 7 3 4 2 8 8 7 4 7 5 4 5 1 6 3 5 4 7 0 4 4 2 5 2 4 6 2 0 0 1 0 0 3 2 8 7 6 4 1 8 8 7 8 4 7 9 3 5 2 9 2 4 1 8 8 8 ...

output:

NO

result:

ok answer is NO

Test #14:

score: 0
Accepted
time: 13ms
memory: 14136kb

input:

62252 62252
0 3 0 7 2 4 7 5 3 7 6 3 0 6 8 0 5 5 0 2 1 3 2 2 7 6 5 9 3 5 4 9 2 7 6 1 8 3 0 8 1 1 9 4 5 7 3 3 9 0 7 9 9 8 9 6 0 7 2 2 6 3 7 1 8 0 3 2 3 9 2 5 8 2 9 6 5 1 5 0 4 1 4 2 4 6 2 3 0 9 1 7 0 9 6 0 4 5 9 6 4 6 3 4 7 6 4 8 5 6 9 6 5 2 1 8 0 4 9 3 8 1 8 6 4 1 3 7 5 7 3 4 8 9 6 9 2 3 7 5 4 9 6 7 ...

output:

NO

result:

ok answer is NO

Test #15:

score: 0
Accepted
time: 10ms
memory: 9748kb

input:

62366 31183
7 6 7 3 3 0 8 1 7 0 4 7 2 4 0 5 1 0 8 5 2 5 5 8 2 4 8 2 0 6 3 6 9 6 6 9 9 0 5 9 2 9 3 4 9 3 1 8 6 1 3 3 6 4 2 8 3 1 0 9 0 2 8 4 1 2 7 0 8 5 8 8 3 7 1 7 1 5 0 8 3 0 7 0 8 6 1 7 3 1 2 1 2 6 6 2 5 9 5 0 7 6 6 7 8 3 8 0 7 2 8 4 7 5 8 2 8 4 3 5 0 2 1 6 4 6 2 9 8 0 7 8 2 6 8 8 4 1 7 0 3 4 4 2 ...

output:

NO

result:

ok answer is NO

Test #16:

score: 0
Accepted
time: 7ms
memory: 9932kb

input:

30174 30174
9 5 0 8 6 1 1 1 5 8 9 9 6 7 9 6 6 4 8 6 4 0 5 2 6 5 0 3 3 7 0 4 3 2 6 7 0 9 5 8 1 7 2 4 9 9 3 0 9 3 1 5 5 6 0 1 7 4 4 2 8 0 0 9 7 1 7 8 6 9 3 2 5 6 2 1 8 9 8 9 6 9 6 9 3 3 0 4 4 2 3 2 9 2 4 3 8 2 1 9 7 0 9 3 7 2 3 5 2 8 2 9 4 2 7 4 1 7 7 8 9 2 0 4 7 8 6 3 1 7 8 6 5 4 8 2 5 7 8 1 9 3 2 0 ...

output:

NO

result:

ok answer is NO

Test #17:

score: 0
Accepted
time: 8ms
memory: 9892kb

input:

62098 31049
5 0 7 0 4 6 2 7 1 4 3 0 9 0 5 4 4 3 0 8 8 7 0 3 2 1 6 6 5 6 4 8 5 3 3 0 9 2 9 8 3 7 7 8 4 3 1 9 8 7 3 2 4 0 7 2 2 3 9 3 4 2 6 7 7 1 7 6 1 6 1 8 0 5 1 2 8 0 8 2 3 7 7 3 4 2 5 0 2 0 3 3 4 3 2 9 9 4 3 8 4 9 6 9 3 6 3 1 9 1 8 0 4 4 6 3 3 7 9 8 3 3 1 1 9 2 3 6 3 0 0 2 1 3 3 3 7 9 8 5 5 4 2 5 ...

output:

NO

result:

ok answer is NO

Test #18:

score: 0
Accepted
time: 7ms
memory: 11984kb

input:

60906 30453
8 2 8 2 5 3 7 2 4 2 6 9 6 6 2 6 9 6 3 6 3 5 9 7 2 7 9 2 1 7 9 2 7 3 7 7 8 7 1 8 5 8 3 7 2 3 7 2 7 4 5 7 0 7 2 4 9 8 3 9 0 0 6 7 3 1 7 8 3 2 5 9 5 8 7 5 3 5 2 4 9 2 6 9 5 3 5 2 9 5 6 5 3 3 1 2 9 4 4 2 6 2 4 4 6 3 4 4 6 6 2 8 1 6 3 8 4 8 1 5 2 5 8 4 1 3 6 7 6 9 5 0 7 5 1 1 1 2 0 7 0 9 0 9 ...

output:

NO

result:

ok answer is NO

Test #19:

score: 0
Accepted
time: 8ms
memory: 14152kb

input:

31036 62072
6 6 2 8 4 7 6 0 0 8 2 6 6 8 3 5 8 8 0 9 4 3 8 9 1 9 6 7 1 0 0 7 5 1 9 4 5 8 5 3 9 1 9 3 0 6 1 8 5 5 3 7 8 5 3 8 2 7 2 1 1 3 4 7 1 4 0 8 6 7 0 5 3 3 8 2 3 6 3 2 8 5 6 1 2 6 7 9 9 0 0 6 1 8 4 3 8 4 8 5 0 5 5 2 7 6 8 3 6 8 8 7 5 6 3 8 7 1 6 9 2 0 6 8 0 1 3 6 4 4 4 5 1 5 5 5 1 2 7 6 5 4 1 1 ...

output:

NO

result:

ok answer is NO

Test #20:

score: 0
Accepted
time: 18ms
memory: 12364kb

input:

99999 100000
5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5...

output:

NO

result:

ok answer is NO

Test #21:

score: 0
Accepted
time: 0ms
memory: 9932kb

input:

2 3
3 4
3 4 3

output:

NO

result:

ok answer is NO

Test #22:

score: 0
Accepted
time: 16ms
memory: 14412kb

input:

50000 100000
5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5...

output:

NO

result:

ok answer is NO

Test #23:

score: 0
Accepted
time: 14ms
memory: 12020kb

input:

50000 100000
5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5...

output:

NO

result:

ok answer is NO

Test #24:

score: 0
Accepted
time: 14ms
memory: 10320kb

input:

50000 100000
5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5...

output:

NO

result:

ok answer is NO

Test #25:

score: 0
Accepted
time: 0ms
memory: 9804kb

input:

5 1
0 1 1 1 1
1

output:

NO

result:

ok answer is NO

Test #26:

score: 0
Accepted
time: 10ms
memory: 11848kb

input:

100000 1
5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5...

output:

NO

result:

ok answer is NO

Test #27:

score: 0
Accepted
time: 1ms
memory: 9808kb

input:

12 12
0 1 0 0 0 1 0 0 0 1 1 0
0 0 1 0 1 1 0 0 1 0 1 1

output:

NO

result:

ok answer is NO

Test #28:

score: 0
Accepted
time: 17ms
memory: 12232kb

input:

83160 83160
5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 ...

output:

YES

result:

ok answer is YES

Test #29:

score: 0
Accepted
time: 12ms
memory: 9932kb

input:

83160 41580
5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 ...

output:

NO

result:

ok answer is NO

Test #30:

score: -100
Wrong Answer
time: 12ms
memory: 9928kb

input:

83160 41580
5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 ...

output:

41580 41580 11029
NO

result:

wrong output format YES or NO expected, but 41580 found