Submission #20,891

2026-01-10 22:51:08

pypy3

Accepted 40/40

45ms

19608 KiB

# UUID: 262014fb-e099-4a3c-951e-f663f2b71cc9
N=int(input())
A=[1,1,2]

while len(A)<=N:
    A.append(2*A[-1]+A[-3]) 

print(A[N])

	Sum	Test	Verdict		Time	Memory
base	40/40
		1	Accepted	0/0	39ms	19568 KiB
		2	Accepted	0/0	43ms	19436 KiB
		3	Accepted	2/2	39ms	19608 KiB
		4	Accepted	2/2	43ms	19392 KiB
		5	Accepted	2/2	43ms	19440 KiB
		6	Accepted	2/2	45ms	19436 KiB
		7	Accepted	2/2	39ms	19456 KiB
		8	Accepted	3/3	37ms	19412 KiB
		9	Accepted	3/3	43ms	19420 KiB
		10	Accepted	3/3	39ms	19404 KiB
		11	Accepted	3/3	39ms	19376 KiB
		12	Accepted	3/3	45ms	19436 KiB
		13	Accepted	3/3	39ms	19420 KiB
		14	Accepted	3/3	39ms	19432 KiB
		15	Accepted	3/3	43ms	19352 KiB
		16	Accepted	3/3	43ms	19372 KiB
		17	Accepted	3/3	39ms	19444 KiB