LeetCode Pattern: 19 Tips & Strategies for Solving Backtracking Problems (Including 10 Classic Problems & Solutions)

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36 min readDec 11, 2023
Photo by Ussama Azam on Unsplash

Backtracking is a systematic approach for solving problems by exploring all possible solutions. Here are tips and strategies for solving problems using backtracking

I. TIPS & STRATEGIES FOR SOLVING BACKTRACKING PROBLEMS:

1. Understand the Problem:

  • Clearly understand the problem statement, constraints, and the objective of the problem.

1.1. Indicators of Backtracking Problems:

i. Exploration of All Possibilities:

  • Backtracking is often used when you need to explore all possible solutions or combinations of a problem space.
  • If the problem asks for finding all valid configurations or combinations, it might be a backtracking problem.

ii. Decision Tree Structure:

  • Look for problems where decisions are made at each step, leading to a tree-like structure of possibilities.
  • Each decision at a particular step may result in multiple subproblems, and backtracking is used to explore each decision path.

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