Practice · judged on hidden tests
Problems
11 problems, ordered so each topic builds on the last.
- Not startedBest day to buy and sellDynamic programming, ArraysEasy
- Not startedBuilding Pascal's triangle row by rowBasics, Dynamic programming, ArraysEasy
- Not startedCan it be split into two equal halvesDynamic programming, ArraysMedium
- Not startedFewest coins to make the amountDynamic programming, GreedyMedium
- Not startedFitting the most value into the bagDynamic programming, ArraysMedium
- Not startedHow many ways down through the gridDynamic programming, Arrays, MatricesMedium
- Not startedHow many ways up the stairsDynamic programmingEasy
- Not startedLongest increasing subsequenceBinary search, Dynamic programmingMedium
- Not startedMaximum subarray sumDynamic programming, ArraysMedium
- Not startedThe best you can take without touching neighboursDynamic programming, ArraysMedium
- Not startedThe cheapest way down through the gridDynamic programming, Arrays, MatricesMedium