What I've done today is Number spiral diagonals in Rust and Add Binary in JavaScript.

BTW, I decided to the change style of problem section~

What I've done today is Quadratic primes in Rust and Longest Absolute File Path in JavaScript.

What I've done today is Reciprocal cycles in Rust and Open the Lock in JavaScript.

What I've done today is 1000-digit Fibonacci number in Rust and Best Time to Buy and Sell Stock IV in JavaScript.

What I've done today is Lexicographic permutations in Rust and Unique Binary Search Trees II in JavaScript.

What I've done today is Non-abundant sums in Rust and Word Ladder in JavaScript.

What I've done today is Names scores in Rust and Optimal Division in JavaScript.