Rosalind is a platform for learning bioinformatics and programming through problem solving. Take a tour to get the hang of how Rosalind works.

Last win: salmanh084 vs. “Variables and Some Arithmetic”, 9 minutes ago
Problems: 285 (total), users: 83266, attempts: 1372035, correct: 759239
ID Title Solved By Correct Ratio
DNA Counting DNA Nucleotides 48075
RNA Transcribing DNA into RNA 42895
REVC Complementing a Strand of DNA 38792
FIB Rabbits and Recurrence Relations 22403
GC Computing GC Content 22525
HAMM Counting Point Mutations 25353
IPRB Mendel's First Law 14984
PROT Translating RNA into Protein 19856
SUBS Finding a Motif in DNA 20182
CONS Consensus and Profile 11145
FIBD Mortal Fibonacci Rabbits 9529
GRPH Overlap Graphs 9081
IEV Calculating Expected Offspring 8597
LCSM Finding a Shared Motif 7846
LIA Independent Alleles 4563
MPRT Finding a Protein Motif 4843
MRNA Inferring mRNA from Protein 7402
ORF Open Reading Frames 5750
PERM Enumerating Gene Orders 10055
PRTM Calculating Protein Mass 9657
REVP Locating Restriction Sites 6063
SPLC RNA Splicing 6758
LEXF Enumerating k-mers Lexicographically 5608
LGIS Longest Increasing Subsequence 2472
LONG Genome Assembly as Shortest Superstring 2763
PMCH Perfect Matchings and RNA Secondary Structures 2704
PPER Partial Permutations 3675
PROB Introduction to Random Strings 3656
SIGN Enumerating Oriented Gene Orderings 3663
SSEQ Finding a Spliced Motif 4035
TRAN Transitions and Transversions 3940
TREE Completing a Tree 3266
CAT Catalan Numbers and RNA Secondary Structures 1106
CORR Error Correction in Reads 1753
INOD Counting Phylogenetic Ancestors 2400
KMER k-Mer Composition 2646
KMP Speeding Up Motif Finding 2098
LCSQ Finding a Shared Spliced Motif 1862
LEXV Ordering Strings of Varying Length Lexicographically 2956
MMCH Maximum Matchings and RNA Secondary Structures 1336
PDST Creating a Distance Matrix 1957
REAR Reversal Distance 922
RSTR Matching Random Motifs 1482
SSET Counting Subsets 2218
ASPC Introduction to Alternative Splicing 1414
EDIT Edit Distance 1345
EVAL Expected Number of Restriction Sites 1111
MOTZ Motzkin Numbers and RNA Secondary Structures 693
NWCK Distances in Trees 850
SCSP Interleaving Two Motifs 822
SETO Introduction to Set Operations 1731
SORT Sorting by Reversals 700
SPEC Inferring Protein from Spectrum 1342
TRIE Introduction to Pattern Matching 1048
CONV Comparing Spectra with the Spectral Convolution 856
CTBL Creating a Character Table 485
DBRU Constructing a De Bruijn Graph 885
EDTA Edit Distance Alignment 890
FULL Inferring Peptide from Full Spectrum 612
INDC Independent Segregation of Chromosomes 703
ITWV Finding Disjoint Motifs in a Gene 342
LREP Finding the Longest Multiple Repeat 471
NKEW Newick Format with Edge Weights 532
RNAS Wobble Bonding and RNA Secondary Structures 481
AFRQ Counting Disease Carriers 593
CSTR Creating a Character Table from Genetic Strings 316
CTEA Counting Optimal Alignments 337
CUNR Counting Unrooted Binary Trees 305
GLOB Global Alignment with Scoring Matrix 643
PCOV Genome Assembly with Perfect Coverage 638
PRSM Matching a Spectrum to a Protein 459
QRT Quartets 251
SGRA Using the Spectrum Graph to Infer Peptides 398
SUFF Encoding Suffix Trees 340
CHBP Character-Based Phylogeny 167
CNTQ Counting Quartets 178
EUBT Enumerating Unrooted Binary Trees 164
GASM Genome Assembly Using Reads 356
GCON Global Alignment with Constant Gap Penalty 392
LING Linguistic Complexity of a Genome 207
LOCA Local Alignment with Scoring Matrix 417
MEND Inferring Genotype from a Pedigree 271
MGAP Maximizing the Gap Symbols of an Optimal Alignment 220
MREP Identifying Maximal Repeats 187
MULT Multiple Alignment 231
PDPL Creating a Restriction Map 243
ROOT Counting Rooted Binary Trees 254
SEXL Sex-Linked Inheritance 453
SPTD Phylogeny Comparison with Split Distance 179
WFMD The Wright-Fisher Model of Genetic Drift 354
ALPH Alignment-Based Phylogeny 128
ASMQ Assessing Assembly Quality with N50 and N75 281
CSET Fixing an Inconsistent Character Set 138
EBIN Wright-Fisher's Expected Behavior 295
FOUN The Founder Effect and Genetic Drift 279
GAFF Global Alignment with Scoring Matrix and Affine Gap Penalty 320
GREP Genome Assembly with Perfect Coverage and Repeats 214
OAP Overlap Alignment 195
QRTD Quartet Distance 88
SIMS Finding a Motif with Modifications 230
SMGB Semiglobal Alignment 198
KSIM Finding All Similar Motifs 86
LAFF Local Alignment with Affine Gap Penalty 191
OSYM Isolating Symbols in Alignments 139
RSUB Identifying Reversing Substitutions 105