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Bioinformatics Textbook Track

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Last win: Gokulkrishnan A vs. “Dictionaries”, 2 minutes ago
Problems: 284 (total), users: 112901
ID Title Solved By Correct Ratio
BA10A Compute the Probability of a Hidden Path 855
BA10B Compute the Probability of an Outcome Given a Hidden Path 708
BA10C Implement the Viterbi Algorithm 560
BA10D Compute the Probability of a String Emitted by an HMM 355
BA10E Construct a Profile HMM 198
BA10F Construct a Profile HMM with Pseudocounts 188
BA10G Perform a Multiple Sequence Alignment with a Profile HMM 108
BA10H Estimate the Parameters of an HMM 170
BA10I Implement Viterbi Learning 133
BA10J Solve the Soft Decoding Problem 155
BA10K Implement Baum-Welch Learning 147
BA11A Construct the Graph of a Spectrum 185
BA11B Implement DecodingIdealSpectrum 136
BA11C Convert a Peptide into a Peptide Vector 193
BA11D Convert a Peptide Vector into a Peptide 185
BA11E Sequence a Peptide 110
BA11F Find a Highest-Scoring Peptide in a Proteome against a Spectrum 109
BA11G Implement PSMSearch 102
BA11H Compute the Size of a Spectral Dictionary 94
BA11I Compute the Probability of a Spectral Dictionary 92
BA11J Find a Highest-Scoring Modified Peptide against a Spectrum 69
BA1A Compute the Number of Times a Pattern Appears in a Text 3042
BA1B Find the Most Frequent Words in a String 3122
BA1C Find the Reverse Complement of a String 2955
BA1D Find All Occurrences of a Pattern in a String 2846
BA1E Find Patterns Forming Clumps in a String 2476
BA1F Find a Position in a Genome Minimizing the Skew 2449
BA1G Compute the Hamming Distance Between Two Strings 2537
BA1H Find All Approximate Occurrences of a Pattern in a String 1964
BA1I Find the Most Frequent Words with Mismatches in a String 1541
BA1J Find Frequent Words with Mismatches and Reverse Complements 1404
BA1K Generate the Frequency Array of a String 1238
BA1L Implement PatternToNumber 1471
BA1M Implement NumberToPattern 1413
BA1N Generate the d-Neighborhood of a String 1277
BA2A Implement MotifEnumeration 1284
BA2B Find a Median String 1351
BA2C Find a Profile-most Probable k-mer in a String 1199
BA2D Implement GreedyMotifSearch 1080
BA2E Implement GreedyMotifSearch with Pseudocounts 964
BA2F Implement RandomizedMotifSearch 949
BA2G Implement GibbsSampler 726
BA2H Implement DistanceBetweenPatternAndStrings 1040
BA3A Generate the k-mer Composition of a String 1429
BA3B Reconstruct a String from its Genome Path 1331
BA3C Construct the Overlap Graph of a Collection of k-mers 1238
BA3D Construct the De Bruijn Graph of a String 1205
BA3E Construct the De Bruijn Graph of a Collection of k-mers 1105
BA3F Find an Eulerian Cycle in a Graph 871
BA3G Find an Eulerian Path in a Graph 801
BA3H Reconstruct a String from its k-mer Composition 909
BA3I Find a k-Universal Circular String 644
BA3J Reconstruct a String from its Paired Composition 653
BA3K Generate Contigs from a Collection of Reads 491
BA3L Construct a String Spelled by a Gapped Genome Path 491
BA3M Generate All Maximal Non-Branching Paths in a Graph 367
BA4A Translate an RNA String into an Amino Acid String 932
BA4B Find Substrings of a Genome Encoding a Given Amino Acid String 855
BA4C Generate the Theoretical Spectrum of a Cyclic Peptide 768
BA4D Compute the Number of Peptides of Given Total Mass 633
BA4E Find a Cyclic Peptide with Theoretical Spectrum Matching an Ideal Spectrum 629
BA4F Compute the Score of a Cyclic Peptide Against a Spectrum 498
BA4G Implement LeaderboardCyclopeptideSequencing 481
BA4H Generate the Convolution of a Spectrum 476
BA4I Implement ConvolutionCyclopeptideSequencing 317
BA4J Generate the Theoretical Spectrum of a Linear Peptide 451
BA4K Compute the Score of a Linear Peptide 395
BA4L Trim a Peptide Leaderboard 356
BA4M Solve the Turnpike Problem 199
BA5A Find the Minimum Number of Coins Needed to Make Change 1034
BA5B Find the Length of a Longest Path in a Manhattan-like Grid 874
BA5C Find a Longest Common Subsequence of Two Strings 962
BA5D Find the Longest Path in a DAG 638
BA5E Find a Highest-Scoring Alignment of Two Strings 883
BA5F Find a Highest-Scoring Local Alignment of Two Strings 748
BA5G Compute the Edit Distance Between Two Strings 777
BA5H Find a Highest-Scoring Fitting Alignment of Two Strings 532
BA5I Find a Highest-Scoring Overlap Alignment of Two Strings 463
BA5J Align Two Strings Using Affine Gap Penalties 617
BA5K Find a Middle Edge in an Alignment Graph in Linear Space 355
BA5L Align Two Strings Using Linear Space 316
BA5M Find a Highest-Scoring Multiple Sequence Alignment 362
BA5N Find a Topological Ordering of a DAG 344
BA6A Implement GreedySorting to Sort a Permutation by Reversals 544
BA6B Compute the Number of Breakpoints in a Permutation 578
BA6C Compute the 2-Break Distance Between a Pair of Genomes 393
BA6D Find a Shortest Transformation of One Genome into Another by 2-Breaks 247
BA6E Find All Shared k-mers of a Pair of Strings 312
BA6F Implement ChromosomeToCycle 285
BA6G Implement CycleToChromosome 279
BA6H Implement ColoredEdges 253
BA6I Implement GraphToGenome 217
BA6J Implement 2-BreakOnGenomeGraph 213
BA6K Implement 2-BreakOnGenome 183
BA7A Compute Distances Between Leaves 295
BA7B Compute Limb Lengths in a Tree 345
BA7C Implement AdditivePhylogeny 324
BA7D Implement UPGMA 224
BA7E Implement the Neighbor Joining Algorithm 208
BA7F Implement SmallParsimony 149
BA7G Adapt SmallParsimony to Unrooted Trees 108
BA8A Implement FarthestFirstTraversal 215
BA8B Compute the Squared Error Distortion 216
BA8C Implement the Lloyd Algorithm for k-Means Clustering 247
BA8D Implement the Soft k-Means Clustering Algorithm 172
BA8E Implement Hierarchical Clustering 175
BA9A Construct a Trie from a Collection of Patterns 391
BA9B Implement TrieMatching 409
BA9C Construct the Suffix Tree of a String 300
BA9D Find the Longest Repeat in a String 411
BA9E Find the Longest Substring Shared by Two Strings 298
BA9F Find the Shortest Non-Shared Substring of Two Strings 252
BA9G Construct the Suffix Array of a String 358
BA9H Pattern Matching with the Suffix Array 302
BA9I Construct the Burrows-Wheeler Transform of a String 414
BA9J Reconstruct a String from its Burrows-Wheeler Transform 363
BA9K Generate the Last-to-First Mapping of a String 301
BA9L Implement BWMatching 268
BA9M Implement BetterBWMatching 235
BA9N Find All Occurrences of a Collection of Patterns in a String 240
BA9O Find All Approximate Occurrences of a Collection of Patterns in a String 230
BA9P Implement TreeColoring 117
BA9Q Construct the Partial Suffix Array of a String 191
BA9R Construct a Suffix Tree from a Suffix Array 138