Module 10 · unordered_set and unordered_map: Hashing, Collisions and the Anti-Hash Test
Problems: unordered_set and unordered_map
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Ten problems, graded against hidden tests. Each one practises an idea from a lesson of this module, from lesson 01's banned words to lesson 06's sliding puzzle. Problems 1, 2 and 5 are free. The other seven open with Learn Pro or with the track.
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What is inside Problems: unordered_set and unordered_map
- Every starter has the same shape
- The order comes from your input
- A pair needs a hash you write
- Keys chosen against GCC's own hash
- The first idea, at the largest input