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: anixouzazzbee vs. “Variables and Some Arithmetic”, 10 minutes ago
Problems: 284 (total), users: 92219, attempts: 1521595, correct: 841623
ID Title Solved By Correct Ratio
DNA Counting DNA Nucleotides 53528
RNA Transcribing DNA into RNA 47787
REVC Complementing a Strand of DNA 43345
FIB Rabbits and Recurrence Relations 25158
GC Computing GC Content 25064
HAMM Counting Point Mutations 28227
IPRB Mendel's First Law 16696
PROT Translating RNA into Protein 22142
SUBS Finding a Motif in DNA 22459
CONS Consensus and Profile 12320
FIBD Mortal Fibonacci Rabbits 10584
GRPH Overlap Graphs 9959
IEV Calculating Expected Offspring 9550
LCSM Finding a Shared Motif 8634
LIA Independent Alleles 5070
MPRT Finding a Protein Motif 5308
MRNA Inferring mRNA from Protein 8154
ORF Open Reading Frames 6267
PERM Enumerating Gene Orders 10981
PRTM Calculating Protein Mass 10679
REVP Locating Restriction Sites 6646
SPLC RNA Splicing 7421
LEXF Enumerating k-mers Lexicographically 6087
LGIS Longest Increasing Subsequence 2700
LONG Genome Assembly as Shortest Superstring 2992
PMCH Perfect Matchings and RNA Secondary Structures 2959
PPER Partial Permutations 4025
PROB Introduction to Random Strings 3975
SIGN Enumerating Oriented Gene Orderings 3952
SSEQ Finding a Spliced Motif 4383
TRAN Transitions and Transversions 4286
TREE Completing a Tree 3514
CAT Catalan Numbers and RNA Secondary Structures 1192
CORR Error Correction in Reads 1873
INOD Counting Phylogenetic Ancestors 2564
KMER k-Mer Composition 2831
KMP Speeding Up Motif Finding 2239
LCSQ Finding a Shared Spliced Motif 2008
LEXV Ordering Strings of Varying Length Lexicographically 3137
MMCH Maximum Matchings and RNA Secondary Structures 1450
PDST Creating a Distance Matrix 2091
REAR Reversal Distance 984
RSTR Matching Random Motifs 1601
SSET Counting Subsets 2374
ASPC Introduction to Alternative Splicing 1518
EDIT Edit Distance 1457
EVAL Expected Number of Restriction Sites 1193
MOTZ Motzkin Numbers and RNA Secondary Structures 749
NWCK Distances in Trees 905
SCSP Interleaving Two Motifs 896
SETO Introduction to Set Operations 1843
SORT Sorting by Reversals 744
SPEC Inferring Protein from Spectrum 1437
TRIE Introduction to Pattern Matching 1118
CONV Comparing Spectra with the Spectral Convolution 910
CTBL Creating a Character Table 517
DBRU Constructing a De Bruijn Graph 951
EDTA Edit Distance Alignment 970
FULL Inferring Peptide from Full Spectrum 656
INDC Independent Segregation of Chromosomes 763
ITWV Finding Disjoint Motifs in a Gene 376
LREP Finding the Longest Multiple Repeat 502
NKEW Newick Format with Edge Weights 572
RNAS Wobble Bonding and RNA Secondary Structures 515
AFRQ Counting Disease Carriers 642
CSTR Creating a Character Table from Genetic Strings 341
CTEA Counting Optimal Alignments 374
CUNR Counting Unrooted Binary Trees 323
GLOB Global Alignment with Scoring Matrix 698
PCOV Genome Assembly with Perfect Coverage 686
PRSM Matching a Spectrum to a Protein 487
QRT Quartets 266
SGRA Using the Spectrum Graph to Infer Peptides 426
SUFF Encoding Suffix Trees 360
CHBP Character-Based Phylogeny 183
CNTQ Counting Quartets 191
EUBT Enumerating Unrooted Binary Trees 175
GASM Genome Assembly Using Reads 386
GCON Global Alignment with Constant Gap Penalty 425
LING Linguistic Complexity of a Genome 219
LOCA Local Alignment with Scoring Matrix 455
MEND Inferring Genotype from a Pedigree 293
MGAP Maximizing the Gap Symbols of an Optimal Alignment 239
MREP Identifying Maximal Repeats 199
MULT Multiple Alignment 249
PDPL Creating a Restriction Map 264
ROOT Counting Rooted Binary Trees 268
SEXL Sex-Linked Inheritance 494
SPTD Phylogeny Comparison with Split Distance 192
WFMD The Wright-Fisher Model of Genetic Drift 389
ALPH Alignment-Based Phylogeny 136
ASMQ Assessing Assembly Quality with N50 and N75 307
CSET Fixing an Inconsistent Character Set 150
EBIN Wright-Fisher's Expected Behavior 324
FOUN The Founder Effect and Genetic Drift 306
GAFF Global Alignment with Scoring Matrix and Affine Gap Penalty 346
GREP Genome Assembly with Perfect Coverage and Repeats 235
OAP Overlap Alignment 216
QRTD Quartet Distance 93
SIMS Finding a Motif with Modifications 255
SMGB Semiglobal Alignment 217
KSIM Finding All Similar Motifs 92
LAFF Local Alignment with Affine Gap Penalty 203
OSYM Isolating Symbols in Alignments 152
RSUB Identifying Reversing Substitutions 110