Description:
Given an array of integers and a target, return indices of two numbers that add up to target.
Given an array of integers and a target, return indices of two numbers that add up to target.
Python Code
def twoSum(nums, target):
seen = {}
for i, num in enumerate(nums):
diff = target - num
if diff in seen:
return [seen[diff], i]
seen[num] = i
return []
print(twoSum([2, 7, 11, 15], 9))
Expected Output
[0, 1]