128.md

Results of GPT-4 on HumanEval/128

Date: 18 July, 2023
Model: gpt-4
Temperature: 0.2
Passing runs: 6
Total runs: 10
Success rate: 60%

Prompt

Tokens: 148

def prod_signs(arr):
    """
    You are given an array arr of integers and you need to return
    sum of magnitudes of integers multiplied by product of all signs
    of each number in the array, represented by 1, -1 or 0.
    Note: return None for empty arr.

    Example:
    >>> prod_signs([1, 2, 2, -4]) == -9
    >>> prod_signs([0, 1]) == 0
    >>> prod_signs([]) == None
    """

The above is an incomplete Python code fragment. Return the complete and correct code with no additional text.

Correct solution

def prod_signs(arr):
    """
    You are given an array arr of integers and you need to return
    sum of magnitudes of integers multiplied by product of all signs
    of each number in the array, represented by 1, -1 or 0.
    Note: return None for empty arr.

    Example:
    >>> prod_signs([1, 2, 2, -4]) == -9
    >>> prod_signs([0, 1]) == 0
    >>> prod_signs([]) == None
    """if not arr: return None
    prod = 0 if 0 in arr else (-1) ** len(list(filter(lambda x: x < 0, arr)))
    return prod * sum([abs(i) for i in arr])

Unit tests

def check(candidate):

    # Check some simple cases
    assert True, "This prints if this assert fails 1 (good for debugging!)"
    assert candidate([1, 2, 2, -4]) == -9
    assert candidate([0, 1]) == 0
    assert candidate([1, 1, 1, 2, 3, -1, 1]) == -10
    assert candidate([]) == None
    assert candidate([2, 4,1, 2, -1, -1, 9]) == 20
    assert candidate([-1, 1, -1, 1]) == 4
    assert candidate([-1, 1, 1, 1]) == -4
    assert candidate([-1, 1, 1, 0]) == 0

    # Check some edge cases that are easy to work out by hand.
    assert True, "This prints if this assert fails 2 (also good for debugging!)"

Runs

✅ Run 1

Start time: 2023-07-18 18:00:38
Duration: 17.21s
Completion tokens: 209
Result: Pass

def prod_signs(arr):
    """
    You are given an array arr of integers and you need to return
    sum of magnitudes of integers multiplied by product of all signs
    of each number in the array, represented by 1, -1 or 0.
    Note: return None for empty arr.

    Example:
    >>> prod_signs([1, 2, 2, -4]) == -9
    >>> prod_signs([0, 1]) == 0
    >>> prod_signs([]) == None
    """
    if not arr:
        return None
    else:
        sign_product = 1
        magnitude_sum = 0
        for num in arr:
            if num > 0:
                sign_product *= 1
                magnitude_sum += num
            elif num < 0:
                sign_product *= -1
                magnitude_sum += abs(num)
            else:
                return 0
        return sign_product * magnitude_sum

✅ Run 2

Start time: 2023-07-18 18:00:18
Duration: 19.32s
Completion tokens: 202
Result: Pass

def prod_signs(arr):
    """
    You are given an array arr of integers and you need to return
    sum of magnitudes of integers multiplied by product of all signs
    of each number in the array, represented by 1, -1 or 0.
    Note: return None for empty arr.

    Example:
    >>> prod_signs([1, 2, 2, -4]) == -9
    >>> prod_signs([0, 1]) == 0
    >>> prod_signs([]) == None
    """
    if not arr:
        return None
    else:
        sign_product = 1
        magnitude_sum = 0
        for num in arr:
            if num < 0:
                sign_product *= -1
                magnitude_sum += abs(num)
            elif num > 0:
                magnitude_sum += num
            else:
                return 0
        return sign_product * magnitude_sum

❌ Run 3

Start time: 2023-07-18 17:59:55
Duration: 23.07s
Completion tokens: 212
Result: Fail

def prod_signs(arr):
    """
    You are given an array arr of integers and you need to return
    sum of magnitudes of integers multiplied by product of all signs
    of each number in the array, represented by 1, -1 or 0.
    Note: return None for empty arr.

    Example:
    >>> prod_signs([1, 2, 2, -4]) == -9
    >>> prod_signs([0, 1]) == 0
    >>> prod_signs([]) == None
    """
    if not arr:
        return None
    else:
        product_of_signs = 1
        sum_of_magnitudes = 0
        for num in arr:
            if num < 0:
                product_of_signs *= -1
                sum_of_magnitudes += abs(num)
            elif num > 0:
                sum_of_magnitudes += num
        return product_of_signs * sum_of_magnitudes

❌ Run 4

Start time: 2023-07-18 17:59:37
Duration: 17.75s
Completion tokens: 212
Result: Fail

def prod_signs(arr):
    """
    You are given an array arr of integers and you need to return
    sum of magnitudes of integers multiplied by product of all signs
    of each number in the array, represented by 1, -1 or 0.
    Note: return None for empty arr.

    Example:
    >>> prod_signs([1, 2, 2, -4]) == -9
    >>> prod_signs([0, 1]) == 0
    >>> prod_signs([]) == None
    """
    if not arr:
        return None
    else:
        product_of_signs = 1
        sum_of_magnitudes = 0
        for num in arr:
            if num < 0:
                product_of_signs *= -1
                sum_of_magnitudes += abs(num)
            elif num > 0:
                sum_of_magnitudes += num
        return product_of_signs * sum_of_magnitudes

❌ Run 5

Start time: 2023-07-18 17:59:21
Duration: 16.14s
Completion tokens: 194
Result: Fail

def prod_signs(arr):
    """
    You are given an array arr of integers and you need to return
    sum of magnitudes of integers multiplied by product of all signs
    of each number in the array, represented by 1, -1 or 0.
    Note: return None for empty arr.

    Example:
    >>> prod_signs([1, 2, 2, -4]) == -9
    >>> prod_signs([0, 1]) == 0
    >>> prod_signs([]) == None
    """
    if not arr:
        return None
    else:
        sign_product = 1
        magnitude_sum = 0
        for num in arr:
            if num < 0:
                sign_product *= -1
                magnitude_sum += abs(num)
            elif num > 0:
                magnitude_sum += num
        return sign_product * magnitude_sum

✅ Run 6

Start time: 2023-07-18 17:59:11
Duration: 9.86s
Completion tokens: 103
Result: Pass

def prod_signs(arr):
    if not arr:
        return None
    else:
        sum_magnitudes = sum(abs(i) for i in arr)
        prod_signs = 1
        for i in arr:
            if i > 0:
                prod_signs *= 1
            elif i < 0:
                prod_signs *= -1
            else:
                prod_signs *= 0
        return sum_magnitudes * prod_signs

✅ Run 7

Start time: 2023-07-18 17:59:03
Duration: 7.57s
Completion tokens: 107
Result: Pass

def prod_signs(arr):
    if len(arr) == 0:
        return None
    else:
        sum_magnitudes = sum(abs(i) for i in arr)
        prod_signs = 1
        for i in arr:
            if i > 0:
                prod_signs *= 1
            elif i < 0:
                prod_signs *= -1
            else:
                prod_signs *= 0
        return sum_magnitudes * prod_signs

✅ Run 8

Start time: 2023-07-18 17:58:48
Duration: 15.45s
Completion tokens: 206
Result: Pass

def prod_signs(arr):
    """
    You are given an array arr of integers and you need to return
    sum of magnitudes of integers multiplied by product of all signs
    of each number in the array, represented by 1, -1 or 0.
    Note: return None for empty arr.

    Example:
    >>> prod_signs([1, 2, 2, -4]) == -9
    >>> prod_signs([0, 1]) == 0
    >>> prod_signs([]) == None
    """
    if not arr:
        return None
    else:
        prod_sign = 1
        sum_magnitude = 0
        for num in arr:
            if num < 0:
                prod_sign *= -1
                sum_magnitude += abs(num)
            elif num > 0:
                sum_magnitude += num
            else:
                return 0
        return prod_sign * sum_magnitude

✅ Run 9

Start time: 2023-07-18 17:58:26
Duration: 21.58s
Completion tokens: 202
Result: Pass

def prod_signs(arr):
    """
    You are given an array arr of integers and you need to return
    sum of magnitudes of integers multiplied by product of all signs
    of each number in the array, represented by 1, -1 or 0.
    Note: return None for empty arr.

    Example:
    >>> prod_signs([1, 2, 2, -4]) == -9
    >>> prod_signs([0, 1]) == 0
    >>> prod_signs([]) == None
    """
    if not arr:
        return None
    else:
        sign_product = 1
        magnitude_sum = 0
        for num in arr:
            if num < 0:
                sign_product *= -1
                magnitude_sum += abs(num)
            elif num > 0:
                magnitude_sum += num
            else:
                return 0
        return sign_product * magnitude_sum

❌ Run 10

Start time: 2023-07-18 17:58:18
Duration: 8.27s
Completion tokens: 95
Result: Fail

def prod_signs(arr):
    if not arr:
        return None
    else:
        prod_signs = 1
        sum_magnitudes = 0
        for num in arr:
            if num < 0:
                prod_signs *= -1
                sum_magnitudes += abs(num)
            elif num > 0:
                sum_magnitudes += num
        return prod_signs * sum_magnitudes