Divide and Conquer
As the name suggests, this approach breaks a complex problem into two or more identical or similar subproblems, solves the smaller problems, and then combines the results to produce the final answer.
Advantages
- Reduces the difficulty of solving the problem.
- Can improve execution efficiency.
- In some cases, enables parallel processing to boost performance.
Steps
- Divide: Break the problem into several smaller subproblems that are relatively independent and share the same form as the original problem.
- Conquer: If the subproblem is small enough and easy to solve, solve it directly. Otherwise, solve the subproblems recursively.
- Combine: Merge the solutions of the subproblems into the solution for the original problem.
Resources:
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