By difficulty

Browse problems by difficulty

Three index pages, each listing every NeetCode 150 problem of one difficulty class, grouped by pattern category for quick scanning.

• Easy problems (28 problems)
• Medium problems (99 problems)
• Hard problems (22 problems)

Why this view exists

The default leetcode-150 layout is grouped by pattern (heap, two pointers, etc.). When you’re warming up or saving the hard ones for last, sorting by difficulty is the more useful axis.