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: maf-ia vs. “Frequent Words Problem”, 1 minute ago
Problems: 228 (total), users: 21572, attempts: 352700, correct: 204410
ID Title Solved By Correct Ratio
DNA Counting DNA Nucleotides 13564
RNA Transcribing DNA into RNA 12052
REVC Complementing a Strand of DNA 10942
FIB Rabbits and Recurrence Relations 5460
GC Computing GC Content 6662
HAMM Counting Point Mutations 7574
IPRB Mendel's First Law 3777
PROT Translating RNA into Protein 5705
SUBS Finding a Motif in DNA 6004
CONS Consensus and Profile 3496
FIBD Mortal Fibonacci Rabbits 2450
GRPH Overlap Graphs 2894
IEV Calculating Expected Offspring 2337
LCSM Finding a Shared Motif 2426
LIA Independent Alleles 1204
MPRT Finding a Protein Motif 1364
MRNA Inferring mRNA from Protein 2315
ORF Open Reading Frames 1724
PERM Enumerating Gene Orders 3696
PRTM Calculating Protein Mass 2885
REVP Locating Restriction Sites 2028
SPLC RNA Splicing 2054
LEXF Enumerating k-mers Lexicographically 2057
LGIS Longest Increasing Subsequence 727
LONG Genome Assembly as Shortest Superstring 894
PMCH Perfect Matchings and RNA Secondary Structures 709
PPER Partial Permutations 1178
PROB Introduction to Random Strings 1122
SIGN Enumerating Oriented Gene Orderings 1386
SSEQ Finding a Spliced Motif 1323
TRAN Transitions and Transversions 1124
TREE Completing a Tree 1147
CAT Catalan Numbers and RNA Secondary Structures 278
CORR Error Correction in Reads 602
INOD Counting Phylogenetic Ancestors 859
KMER k-Mer Composition 955
KMP Speeding Up Motif Finding 880
LCSQ Finding a Shared Spliced Motif 663
LEXV Ordering Strings of Varying Length Lexicographically 1211
MMCH Maximum Matchings and RNA Secondary Structures 365
PDST Creating a Distance Matrix 677
REAR Reversal Distance 405
RSTR Matching Random Motifs 478
SSET Counting Subsets 848
ASPC Introduction to Alternative Splicing 512
EDIT Edit Distance 529
EVAL Expected Number of Restriction Sites 376
MOTZ Motzkin Numbers and RNA Secondary Structures 193
NWCK Distances in Trees 357
SCSP Interleaving Two Motifs 278
SETO Introduction to Set Operations 678
SORT Sorting by Reversals 315
SPEC Inferring Protein from Spectrum 577
TRIE Introduction to Pattern Matching 385
CONV Comparing Spectra with the Spectral Convolution 367
CTBL Creating a Character Table 192
DBRU Constructing a De Bruijn Graph 362
EDTA Edit Distance Alignment 384
FULL Inferring Peptide from Full Spectrum 285
INDC Independent Segregation of Chromosomes 300
ITWV Finding Disjoint Motifs in a Gene 126
LREP Finding the Longest Multiple Repeat 247
NKEW Newick Format with Edge Weights 246
RNAS Wobble Bonding and RNA Secondary Structures 203
AFRQ Counting Disease Carriers 244
CSTR Creating a Character Table from Genetic Strings 142
CTEA Counting Optimal Alignments 131
CUNR Counting Unrooted Binary Trees 144
GLOB Global Alignment with Scoring Matrix 259
PCOV Genome Assembly with Perfect Coverage 278
PRSM Matching a Spectrum to a Protein 220
QRT Quartets 115
SGRA Using the Spectrum Graph to Infer Peptides 187
SUFF Encoding Suffix Trees 171
CHBP Character-Based Phylogeny 80
CNTQ Counting Quartets 77
EUBT Enumerating Unrooted Binary Trees 63
GASM Genome Assembly Using Reads 157
GCON Global Alignment with Constant Gap Penalty 175
LING Linguistic Complexity of a Genome 100
LOCA Local Alignment with Scoring Matrix 177
MEND Inferring Genotype from a Pedigree 126
MGAP Maximizing the Gap Symbols of an Optimal Alignment 96
MREP Identifying Maximal Repeats 89
MULT Multiple Alignment 97
PDPL Creating a Restriction Map 105
ROOT Counting Rooted Binary Trees 133
SEXL Sex-Linked Inheritance 184
SPTD Phylogeny Comparison with Split Distance 94
WFMD The Wright-Fisher Model of Genetic Drift 147
ALPH Alignment-Based Phylogeny 57
ASMQ Assessing Assembly Quality with N50 and N75 130
CSET Fixing an Inconsistent Character Set 68
EBIN Wright-Fisher's Expected Behavior 123
FOUN The Founder Effect and Genetic Drift 120
GAFF Global Alignment with Scoring Matrix and Affine Gap Penalty 157
GREP Genome Assembly with Perfect Coverage and Repeats 93
OAP Overlap Alignment 72
QRTD Quartet Distance 46
SIMS Finding a Motif with Modifications 94
SMGB Semiglobal Alignment 72
KSIM Finding All Similar Motifs 31
LAFF Local Alignment with Affine Gap Penalty 91
OSYM Isolating Symbols in Alignments 52
RSUB Identifying Reversing Substitutions 48