Repeat Evolution

2563. Count the Number of Fair Pairs

2 attempts over 157 days. This page compares how the solution size, thinking trace, and stuck markers changed between posts.

2 attempts

157 days apart

-3 line delta

7 best lines

35 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 · 13.11.2024

medium

Solution 10 lines

Thoughts 0 lines

compact kotlin

Count pairs a[i] + a[j] in lower..upper search pointers

Full post LeetCode

Attempt 2 · 19.04.2025

medium

Solution 7 lines

Thoughts 35 lines

compact rust

157 days later lines -3 chars -81 thoughts +35

Pairs a + b in lower..upper pointers

Full post LeetCode

Compact generated readout from the first and latest attempts.

Solution size compressed

-3 lines, -81 chars.

Thinking trace expanded

+35 lines between first and latest attempt.

Best snapshot 19.04.2025

7 lines, 244 chars.

Honesty markers 0 stuck

0 stuck attempts, 0 one-liner attempts.