Prefix Sum

— A collection of 28 posts

July 2025

Perfect Rectangle Solution In C++/Java/Python/JS

July 24, 2025

July 2025

Rectangle Area II Solution In C++/Java/Python/JS

July 24, 2025

July 2025

Number of Flowers in Full Bloom Solution In C++/Java/Python/JS

July 24, 2025

July 2025

Minimum Cost to Make Array Equal Solution In C++/Java/Python/JS

July 24, 2025

July 2025

Count Vowel Strings in Ranges Solution In C++/Java/Python/JS

July 24, 2025

December 2024

Left and Right Sum Differences

December 31, 2024

December 2024

My Calendar II

December 31, 2024

December 2024

Shifting Letters II

December 30, 2024

December 2024

Car Pooling

December 27, 2024

December 2024

Pongal Bunk

December 27, 2024

December 2024

Points That Intersect With Cars

December 26, 2024

December 2024

Maximum Population Year

December 21, 2024

December 2024

Count Number of Nice Subarrays Solution In C++/Python/java/JS

December 18, 2024

December 2024

Find All Good Indices

December 18, 2024

December 2024

Movement of Robots

December 18, 2024

December 2024

Count of Interesting Subarrays

December 17, 2024

December 2024

Continuous Subarray Sum

December 14, 2024

December 2024

Count Number of Bad Pairs Solution In C++/Java/Python/JS

December 13, 2024

December 2024

Product of the Last K Numbers

December 11, 2024

December 2024

Removing Minimum Number of Magic Beans

December 11, 2024

December 2024

Make Sum Divisible by P

December 10, 2024

December 2024

Subarray Sums Divisible by K

December 09, 2024

December 2024

Find Good Days to Rob the Bank

December 06, 2024

December 2024

Sum of Absolute Differences in a Sorted Array

December 06, 2024

December 2024

Product of Array Except Self

December 05, 2024

November 2024

Minimum Penalty for a Shop

November 07, 2024

October 2024

Subarray Sum Equals K

October 27, 2024

October 2024

Range Sum Query - Immutable

October 27, 2024