Uploaded April 2020 | Updated September 2026, 2 days ago

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I try to solve Google Code Jam Qualification Round 2020 problems while explaining my thinking process.

A: 00:45
B: 05:53
C: 12:10 (O(nlogn) solution)
D: 26:38

Unfortunately, my solution to E is too complicated for me to explain :(

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