Repeat Evolution

1970. Last Day Where You Can Still Cross

2 attempts over 915 days. This page compares how the solution size, thinking trace, and stuck markers changed between posts.

2 attempts

915 days apart

-4 line delta

8 best lines

0 thought lines

0 stuck attempts

Repeat lab Latest post Back to library LeetCode

Timeline Shape

Bars are normalized inside this problem, so the widest bar is the largest attempt in that metric.

Each card is a daily post, with local deltas from the previous attempt.

Attempt 1 · 30.06.2023

hard

Solution 12 lines

Thoughts 0 lines

compact kotlin

Last day matrix connected top-bottom when flooded each day at cells[day]

Full post LeetCode

Attempt 2 · 31.12.2025

hard

Solution 8 lines

Thoughts 0 lines

compact kotlin

915 days later lines -4 chars -126 thoughts 0

Last day top connected to bottom in 2D matrix

Full post LeetCode

Compact generated readout from the first and latest attempts.

Solution size compressed

-4 lines, -126 chars.

Thinking trace steady

0 lines between first and latest attempt.

Best snapshot 31.12.2025

8 lines, 429 chars.

Honesty markers 0 stuck

0 stuck attempts, 0 one-liner attempts.