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Two Pointers

Author: Darren Yao

Prerequisites

Silver - Sorting with Custom Comparators

Iterating two monotonic pointers across an array to search for a pair of indices satisfying some condition in linear time.

Table of Contents

Resources Problems

Status	Source	Problem Name	Difficulty	Tags	Solution
	CSES	Sum of Two Values	Easy		CPH 8.1
	CSES	Subarray Sums I	Easy		CPH 8.1

Resources

Resources
CPH	8.1 - Two Pointers	solutions to the problems above
IUSACO	14.1 - Two Pointers	above + mention of max subarray sum

Problems

Status	Source	Problem Name	Difficulty	Tags	Solution
	CF	Books	Easy	Show Tags 2P	Internal Sol
	CSES	Sum of Three Values	Easy	Show Tags 2P, Sorting	Internal Sol
	Silver	Paired Up	Easy	Show Tags 2P, Sorting	External Sol
	CF	Cellular Network	Easy		Internal Sol
	Silver	Diamond Collector	Normal	Show Tags 2P, Sorting	Internal Sol
	Silver	Sleepy Cow Herding	Normal	Show Tags 2P, Sorting	External Sol
	CF	Garland	Normal		Check CF
	CEOI	2010 - A Huge Tower	Hard	Show Tags 2P, Sorting	External Sol
	SAPO	2018 - Stadium	Very Hard	Show Tags 2P, Sorting	Internal Sol

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