Notes

• DP’s secret: think globally optimal, not just locally.

  • You have to break the problem into simpler subproblems, solving each of them just once, and building the solution combining these solved subproblems

• The opposite of DP is a greedy algorithm because the latter picks the locally optimal choice at each step. And locally optimal choices may result in a bad global solution.

Links

• ​Competitive Programmer’s Handbook​

• ​How to prepare for competitive programming?​

• ​What is the best strategy to improve my skills in competitive programming in C++ in 2-3 months?​