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Algorithms
Classic ideas for solving problems step by step, from sorting to ranking the web and squeezing files.
0 of 13 doneStart: PageRank
- RecursionSolving a problem by solving a smaller copy of it · Coming soon
- Merge sortSort halves, then merge them, in n log n time · Coming soon
- QuicksortPick a pivot, split around it, repeat · Coming soon
- Dynamic programmingRemembering answers to small problems to solve big ones · Coming soon
- Greedy algorithmsTaking the best step now, and when that is enough · Coming soon
- Breadth-first searchExploring a graph ring by ring from the start · Coming soon
- Dijkstra's algorithmHow a map app finds the shortest route · Coming soon
- Markov chainsRandom steps where only the current state matters · Coming soon
- PageRankRanking pages by the pages that link to them · 4 min
- EntropyMeasuring surprise, and the limit on compression · Coming soon
- Huffman codingShort codes for common symbols · 5 min
- Hamming distanceCounting the bits two messages differ in · Coming soon
- Error-correcting codesSpare bits that repair damaged data · 4 min