Date: 18 July, 2023
Model: gpt-4
Temperature: 0.2
Passing runs: 10
Total runs: 10
Success rate: 100%
Tokens: 197
def fib4(n: int):
"""The Fib4 number sequence is a sequence similar to the Fibbonacci sequnece that's defined as follows:
fib4(0) -> 0
fib4(1) -> 0
fib4(2) -> 2
fib4(3) -> 0
fib4(n) -> fib4(n-1) + fib4(n-2) + fib4(n-3) + fib4(n-4).
Please write a function to efficiently compute the n-th element of the fib4 number sequence. Do not use recursion.
>>> fib4(5)
4
>>> fib4(6)
8
>>> fib4(7)
14
"""
The above is an incomplete Python code fragment. Return the complete and correct code with no additional text.
def fib4(n: int):
"""The Fib4 number sequence is a sequence similar to the Fibbonacci sequnece that's defined as follows:
fib4(0) -> 0
fib4(1) -> 0
fib4(2) -> 2
fib4(3) -> 0
fib4(n) -> fib4(n-1) + fib4(n-2) + fib4(n-3) + fib4(n-4).
Please write a function to efficiently compute the n-th element of the fib4 number sequence. Do not use recursion.
>>> fib4(5)
4
>>> fib4(6)
8
>>> fib4(7)
14
"""results = [0, 0, 2, 0]
if n < 4:
return results[n]
for _ in range(4, n + 1):
results.append(results[-1] + results[-2] + results[-3] + results[-4])
results.pop(0)
return results[-1]
METADATA = {}
def check(candidate):
assert candidate(5) == 4
assert candidate(8) == 28
assert candidate(10) == 104
assert candidate(12) == 386
Start time: 2023-07-18 18:39:38
Duration: 12.64s
Completion tokens: 156
Result: Pass
def fib4(n: int) -> int:
if n == 0:
return 0
elif n == 1:
return 0
elif n == 2:
return 2
elif n == 3:
return 0
else:
fib4_sequence = [0, 0, 2, 0]
for i in range(4, n+1):
fib4_sequence.append(sum(fib4_sequence[-4:]))
return fib4_sequence[-1]
# Test cases
print(fib4(5)) # 4
print(fib4(6)) # 8
print(fib4(7)) # 14
Start time: 2023-07-18 18:39:18
Duration: 19.92s
Completion tokens: 271
Result: Pass
def fib4(n: int):
"""The Fib4 number sequence is a sequence similar to the Fibbonacci sequnece that's defined as follows:
fib4(0) -> 0
fib4(1) -> 0
fib4(2) -> 2
fib4(3) -> 0
fib4(n) -> fib4(n-1) + fib4(n-2) + fib4(n-3) + fib4(n-4).
Please write a function to efficiently compute the n-th element of the fib4 number sequence. Do not use recursion.
>>> fib4(5)
4
>>> fib4(6)
8
>>> fib4(7)
14
"""
if n == 0:
return 0
elif n == 1:
return 0
elif n == 2:
return 2
elif n == 3:
return 0
else:
fib4_seq = [0, 0, 2, 0]
for i in range(4, n+1):
fib4_seq.append(sum(fib4_seq[-4:]))
return fib4_seq[-1]
Start time: 2023-07-18 18:38:59
Duration: 18.34s
Completion tokens: 263
Result: Pass
def fib4(n: int):
"""The Fib4 number sequence is a sequence similar to the Fibbonacci sequnece that's defined as follows:
fib4(0) -> 0
fib4(1) -> 0
fib4(2) -> 2
fib4(3) -> 0
fib4(n) -> fib4(n-1) + fib4(n-2) + fib4(n-3) + fib4(n-4).
Please write a function to efficiently compute the n-th element of the fib4 number sequence. Do not use recursion.
>>> fib4(5)
4
>>> fib4(6)
8
>>> fib4(7)
14
"""
if n == 0 or n == 1 or n == 3:
return 0
elif n == 2:
return 2
else:
fib = [0, 0, 2, 0]
for i in range(4, n + 1):
fib.append(fib[-1] + fib[-2] + fib[-3] + fib[-4])
return fib[-1]
Start time: 2023-07-18 18:38:47
Duration: 11.94s
Completion tokens: 136
Result: Pass
def fib4(n: int) -> int:
if n == 0:
return 0
elif n == 1:
return 0
elif n == 2:
return 2
elif n == 3:
return 0
else:
fib4 = [0, 0, 2, 0]
for i in range(4, n + 1):
fib4.append(fib4[i - 1] + fib4[i - 2] + fib4[i - 3] + fib4[i - 4])
return fib4[n]
Start time: 2023-07-18 18:38:35
Duration: 11.99s
Completion tokens: 116
Result: Pass
def fib4(n: int) -> int:
if n == 0:
return 0
elif n == 1:
return 0
elif n == 2:
return 2
elif n == 3:
return 0
else:
fib4_values = [0, 0, 2, 0]
for i in range(4, n+1):
fib4_values.append(sum(fib4_values[-4:]))
return fib4_values[-1]
Start time: 2023-07-18 18:38:27
Duration: 8.4s
Completion tokens: 109
Result: Pass
def fib4(n: int) -> int:
if n < 2:
return 0
elif n == 2:
return 2
elif n == 3:
return 0
else:
fib = [0, 0, 2, 0]
for i in range(4, n+1):
fib.append(fib[-1] + fib[-2] + fib[-3] + fib[-4])
return fib[-1]
Start time: 2023-07-18 18:38:13
Duration: 14.11s
Completion tokens: 149
Result: Pass
def fib4(n: int) -> int:
if n == 0:
return 0
elif n == 1:
return 0
elif n == 2:
return 2
elif n == 3:
return 0
else:
fib = [0, 0, 2, 0]
for i in range(4, n + 1):
fib.append(sum(fib[-4:]))
return fib[-1]
# Test cases
print(fib4(5)) # 4
print(fib4(6)) # 8
print(fib4(7)) # 14
Start time: 2023-07-18 18:38:01
Duration: 11.21s
Completion tokens: 157
Result: Pass
def fib4(n: int) -> int:
if n == 0:
return 0
elif n == 1:
return 0
elif n == 2:
return 2
elif n == 3:
return 0
else:
fib = [0, 0, 2, 0]
for i in range(4, n+1):
fib.append(sum(fib[-4:]))
return fib[-1]
# Test cases
print(fib4(5)) # Expected output: 4
print(fib4(6)) # Expected output: 8
print(fib4(7)) # Expected output: 14
Start time: 2023-07-18 18:37:51
Duration: 10.21s
Completion tokens: 116
Result: Pass
def fib4(n: int) -> int:
if n == 0:
return 0
elif n == 1:
return 0
elif n == 2:
return 2
elif n == 3:
return 0
else:
fib4_values = [0, 0, 2, 0]
for i in range(4, n+1):
fib4_values.append(sum(fib4_values[-4:]))
return fib4_values[-1]
Start time: 2023-07-18 18:37:40
Duration: 11.19s
Completion tokens: 116
Result: Pass
def fib4(n: int) -> int:
if n == 0:
return 0
elif n == 1:
return 0
elif n == 2:
return 2
elif n == 3:
return 0
else:
fib4_sequence = [0, 0, 2, 0]
for i in range(4, n+1):
fib4_sequence.append(sum(fib4_sequence[-4:]))
return fib4_sequence[-1]