LeetCode solutions

1260. Day of the Year

My accepted Python solution to LeetCode problem 1260, Day of the Year, running in 11ms.

  • Difficulty: Easy
  • Python
  • Runtime 11ms
  • Memory 17.3MB

Read the problem on LeetCode View on GitHub

Python

Accepted on LeetCode — runtime 11ms, memory 17.3MB, accepted 2025-12-31.

python
class Solution:
    def dayOfYear(self, date: str) -> int:
        year, month, day = map(int, date.split('-'))
        days = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
        if (year % 4 == 0 and year % 100 != 0) or year % 400 == 0:
            days[1] = 29
        return sum(days[:month-1]) + day

Source