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

Problems: 284 (total), users: 96357, attempts: 1594087, correct: 880139
ID Title Solved By Correct Ratio
DNA Counting DNA Nucleotides 56109
RNA Transcribing DNA into RNA 50045
REVC Complementing a Strand of DNA 45409
FIB Rabbits and Recurrence Relations 26386
GC Computing GC Content 26150
HAMM Counting Point Mutations 29546
IPRB Mendel's First Law 17437
PROT Translating RNA into Protein 23133
SUBS Finding a Motif in DNA 23432
CONS Consensus and Profile 12762
FIBD Mortal Fibonacci Rabbits 11009
GRPH Overlap Graphs 10275
IEV Calculating Expected Offspring 9917
LCSM Finding a Shared Motif 8948
LIA Independent Alleles 5269
MPRT Finding a Protein Motif 5471
MRNA Inferring mRNA from Protein 8467
ORF Open Reading Frames 6505
PERM Enumerating Gene Orders 11336
PRTM Calculating Protein Mass 11058
REVP Locating Restriction Sites 6878
SPLC RNA Splicing 7684
LEXF Enumerating k-mers Lexicographically 6286
LGIS Longest Increasing Subsequence 2788
LONG Genome Assembly as Shortest Superstring 3090
PMCH Perfect Matchings and RNA Secondary Structures 3058
PPER Partial Permutations 4168
PROB Introduction to Random Strings 4123
SIGN Enumerating Oriented Gene Orderings 4069
SSEQ Finding a Spliced Motif 4535
TRAN Transitions and Transversions 4444
TREE Completing a Tree 3619
CAT Catalan Numbers and RNA Secondary Structures 1245
CORR Error Correction in Reads 1929
INOD Counting Phylogenetic Ancestors 2636
KMER k-Mer Composition 2918
KMP Speeding Up Motif Finding 2295
LCSQ Finding a Shared Spliced Motif 2072
LEXV Ordering Strings of Varying Length Lexicographically 3213
MMCH Maximum Matchings and RNA Secondary Structures 1495
PDST Creating a Distance Matrix 2151
REAR Reversal Distance 1010
RSTR Matching Random Motifs 1652
SSET Counting Subsets 2425
ASPC Introduction to Alternative Splicing 1553
EDIT Edit Distance 1503
EVAL Expected Number of Restriction Sites 1236
MOTZ Motzkin Numbers and RNA Secondary Structures 775
NWCK Distances in Trees 930
SCSP Interleaving Two Motifs 920
SETO Introduction to Set Operations 1884
SORT Sorting by Reversals 761
SPEC Inferring Protein from Spectrum 1476
TRIE Introduction to Pattern Matching 1147
CONV Comparing Spectra with the Spectral Convolution 941
CTBL Creating a Character Table 531
DBRU Constructing a De Bruijn Graph 974
EDTA Edit Distance Alignment 1005
FULL Inferring Peptide from Full Spectrum 673
INDC Independent Segregation of Chromosomes 781
ITWV Finding Disjoint Motifs in a Gene 382
LREP Finding the Longest Multiple Repeat 514
NKEW Newick Format with Edge Weights 585
RNAS Wobble Bonding and RNA Secondary Structures 533
AFRQ Counting Disease Carriers 657
CSTR Creating a Character Table from Genetic Strings 349
CTEA Counting Optimal Alignments 382
CUNR Counting Unrooted Binary Trees 336
GLOB Global Alignment with Scoring Matrix 724
PCOV Genome Assembly with Perfect Coverage 707
PRSM Matching a Spectrum to a Protein 508
QRT Quartets 275
SGRA Using the Spectrum Graph to Infer Peptides 442
SUFF Encoding Suffix Trees 369
CHBP Character-Based Phylogeny 189
CNTQ Counting Quartets 199
EUBT Enumerating Unrooted Binary Trees 180
GASM Genome Assembly Using Reads 398
GCON Global Alignment with Constant Gap Penalty 434
LING Linguistic Complexity of a Genome 226
LOCA Local Alignment with Scoring Matrix 470
MEND Inferring Genotype from a Pedigree 301
MGAP Maximizing the Gap Symbols of an Optimal Alignment 242
MREP Identifying Maximal Repeats 204
MULT Multiple Alignment 252
PDPL Creating a Restriction Map 272
ROOT Counting Rooted Binary Trees 278
SEXL Sex-Linked Inheritance 506
SPTD Phylogeny Comparison with Split Distance 199
WFMD The Wright-Fisher Model of Genetic Drift 398
ALPH Alignment-Based Phylogeny 139
ASMQ Assessing Assembly Quality with N50 and N75 318
CSET Fixing an Inconsistent Character Set 155
EBIN Wright-Fisher's Expected Behavior 331
FOUN The Founder Effect and Genetic Drift 315
GAFF Global Alignment with Scoring Matrix and Affine Gap Penalty 354
GREP Genome Assembly with Perfect Coverage and Repeats 244
OAP Overlap Alignment 221
QRTD Quartet Distance 98
SIMS Finding a Motif with Modifications 261
SMGB Semiglobal Alignment 230
KSIM Finding All Similar Motifs 94
LAFF Local Alignment with Affine Gap Penalty 210
OSYM Isolating Symbols in Alignments 155
RSUB Identifying Reversing Substitutions 114