Sort Big List Dates Problem Statement

Mary is an enthusiastic party-goer who struggles with remembering event dates. Help Mary by sorting a given list of event dates in an ascending order.

Example:

Input:

dates = [ [13,6,2007] , [2,6,2001] , [10,8,2019] , [1,6,2007] ]

Output:

dates = [ [2,6,2001] , [1,6,2007] , [13,6,2007] , [10,8,2019] ]

Explanation:

The list of dates is sorted in ascending order based on year, then month, and finally day.

Constraints:

• 1 <= T <= 10
• 1 <= N <= 106
• 1 <= dates[i][0] <= 31
• 1 <= dates[i][1] <= 12
• 2000 <= dates[i][2] <= 2099
• Time limit: 1 second