09 Sept 2026•Go / Python / TypeScript•Easy
Add to Array-Form of Integer
Add an integer to a number represented as an array of decimal digits.
arraymath
Leetcode
See my leetcode problem solving notes
I collated all the leetcode problems i solved on here so you can learn from it. You can search for a problem, filter by language or problem type, narrow by difficulty.
Showing 1-10 of 439 problems
Page 1 of 44
09 Sept 2026•Go / Python / TypeScript•Easy
Available Captures for Rook
Count pawns an unmoving rook can capture along the four board directions before a bishop blocks it.
arraymatrixsimulation
09 Sept 2026•Go / Python / TypeScript•Easy
Backspace String Compare
Check whether two typed strings are equal after applying backspace characters.
two-pointersstringstacksimulation
09 Sept 2026•Go / Python / TypeScript•Easy
Baseball Game
Evaluate a sequence of baseball scoring operations and return the total score.
arraystacksimulation
09 Sept 2026•Go / Python / TypeScript•Easy
Binary Gap
Find the greatest distance between consecutive set bits in an integer.
bit-manipulation
09 Sept 2026•Go / Python / TypeScript•Easy
Binary Number with Alternating Bits
Determine whether adjacent bits in a positive integer alternate between zero and one.
bit-manipulation
09 Sept 2026•Go / Python / TypeScript•Easy
Binary Prefix Divisible By 5
Report whether each binary-array prefix represents a number divisible by five.
arraybit-manipulation
09 Sept 2026•Go / Python / TypeScript•Easy
Binary Search
Locate a target in a sorted integer array or report that it is absent.
arraybinary-search
09 Sept 2026•Go / Python / TypeScript•Easy
Buddy Strings
Check whether swapping exactly two characters in one string can produce another string.
hash-tablestring
09 Sept 2026•Go / Python / TypeScript•Easy
Can Place Flowers
Determine whether enough flowers can be planted without placing any two in adjacent plots.
arraygreedy