Repeat Evolution

1980. Find Unique Binary String

3 attempts over 843 days. This page compares how the solution size, thinking trace, and stuck markers changed between posts.

3 attempts

843 days apart

-4 line delta

3 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.

16.11.2023 20.02.2025 08.03.2026

Attempt Gallery

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

Attempt 1 · 16.11.2023

medium

1980. Find Unique Binary String

Solution 8 lines

Thoughts 0 lines

compact kotlin

First absent number in a binary string array

Full post LeetCode

Attempt 2 · 20.02.2025

medium

1980. Find Unique Binary String

Solution 3 lines

Thoughts 0 lines

tiny kotlin

462 days later lines -5 chars +16 thoughts 0

Binary number not in a set

Full post LeetCode

Attempt 3 · 08.03.2026

medium

1980. Find Unique Binary String

Solution 4 lines

Thoughts 0 lines

tiny rust

381 days later lines +1 chars -77 thoughts 0

Uniq bits not in a set

Full post LeetCode

What Changed

Compact generated readout from the first and latest attempts.

Solution size compressed

-4 lines, -61 chars.

Thinking trace steady

0 lines between first and latest attempt.

Best snapshot 20.02.2025

3 lines, 210 chars.

Honesty markers 0 stuck

0 stuck attempts, 0 one-liner attempts.