2025-08-24 14:36:54 +0300 MSK

class Solution:
    def buttonWithLongestTime(self, events: List[List[int]]) -> int:
        (mx_idx, mx_time), n = events[0], len(events)
        for i in range(n):
            (cur_idx, cur_time), (prv_idx, prv_time) = events[i], events[i - 1]
            diff = cur_time - prv_time
            if diff > mx_time or (diff == mx_time and cur_idx < mx_idx):
                mx_idx, mx_time = cur_idx, diff
        return mx_idx