Past Challenges

leetle

8. Two Sum

Difficulty: 71%
Time: 00:00

Write a function solve that finds two numbers in a list that add up to a target value. Return a list with their indices in order. If the target cannot be made, return an empty list.

Example: Input: [2, 7, 11, 15], target=9
Output: [0, 1]

Make sure you return your solution, don't print!

def solve(nums, target):
    pass

Test Cases

• Test case 1: [2, 7, 11, 15], target=9
• Test case 2: [3, 2, 4], target=6
• Test case 3: [3, 3], target=6
• Test case 4: [1, 2, 3], target=6
• Test case 5: [], target=0

Attempts

• Attempt 1: Success
• Attempt 2: Failure