The DSA logic building sheet

86 problems across 8 topics, ordered so each one reuses an idea from the problem before it. Easy and Medium only. Solve top to bottom, no skipping.

This is not an interview sheet. It is for people who are starting out and have the time to learn properly. 86 problems across 8 topics, Easy and Medium only, ordered so that each problem reuses a trick or a piece of logic from an earlier one in the same topic. Solve each topic top to bottom before moving to the next. Take your time.