Problems

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: Arnaud Desombre vs. “k-Mer Composition”, 10 minutes ago
Problems: 230 (total), users: 29683, attempts: 508454, correct: 292581
ID Title Solved By Correct Ratio
DNA Counting DNA Nucleotides 18312
RNA Transcribing DNA into RNA 16312
REVC Complementing a Strand of DNA 14860
FIB Rabbits and Recurrence Relations 8038
GC Computing GC Content 9006
HAMM Counting Point Mutations 10245
IPRB Mendel's First Law 5358
PROT Translating RNA into Protein 7743
SUBS Finding a Motif in DNA 8071
CONS Consensus and Profile 4668
FIBD Mortal Fibonacci Rabbits 3581
GRPH Overlap Graphs 3891
IEV Calculating Expected Offspring 3334
LCSM Finding a Shared Motif 3286
LIA Independent Alleles 1722
MPRT Finding a Protein Motif 1966
MRNA Inferring mRNA from Protein 3131
ORF Open Reading Frames 2382
PERM Enumerating Gene Orders 4726
PRTM Calculating Protein Mass 3911
REVP Locating Restriction Sites 2703
SPLC RNA Splicing 2781
LEXF Enumerating k-mers Lexicographically 2673
LGIS Longest Increasing Subsequence 1067
LONG Genome Assembly as Shortest Superstring 1234
PMCH Perfect Matchings and RNA Secondary Structures 1084
PPER Partial Permutations 1635
PROB Introduction to Random Strings 1576
SIGN Enumerating Oriented Gene Orderings 1814
SSEQ Finding a Spliced Motif 1777
TRAN Transitions and Transversions 1585
TREE Completing a Tree 1527
CAT Catalan Numbers and RNA Secondary Structures 486
CORR Error Correction in Reads 847
INOD Counting Phylogenetic Ancestors 1174
KMER k-Mer Composition 1284
KMP Speeding Up Motif Finding 1131
LCSQ Finding a Shared Spliced Motif 901
LEXV Ordering Strings of Varying Length Lexicographically 1560
MMCH Maximum Matchings and RNA Secondary Structures 605
PDST Creating a Distance Matrix 934
REAR Reversal Distance 556
RSTR Matching Random Motifs 674
SSET Counting Subsets 1148
ASPC Introduction to Alternative Splicing 721
EDIT Edit Distance 715
EVAL Expected Number of Restriction Sites 545
MOTZ Motzkin Numbers and RNA Secondary Structures 337
NWCK Distances in Trees 502
SCSP Interleaving Two Motifs 420
SETO Introduction to Set Operations 932
SORT Sorting by Reversals 445
SPEC Inferring Protein from Spectrum 758
TRIE Introduction to Pattern Matching 544
CONV Comparing Spectra with the Spectral Convolution 503
CTBL Creating a Character Table 294
DBRU Constructing a De Bruijn Graph 502
EDTA Edit Distance Alignment 469
FULL Inferring Peptide from Full Spectrum 338
INDC Independent Segregation of Chromosomes 368
ITWV Finding Disjoint Motifs in a Gene 163
LREP Finding the Longest Multiple Repeat 283
NKEW Newick Format with Edge Weights 295
RNAS Wobble Bonding and RNA Secondary Structures 249
AFRQ Counting Disease Carriers 301
CSTR Creating a Character Table from Genetic Strings 177
CTEA Counting Optimal Alignments 165
CUNR Counting Unrooted Binary Trees 174
GLOB Global Alignment with Scoring Matrix 325
PCOV Genome Assembly with Perfect Coverage 339
PRSM Matching a Spectrum to a Protein 257
QRT Quartets 141
SGRA Using the Spectrum Graph to Infer Peptides 217
SUFF Encoding Suffix Trees 197
CHBP Character-Based Phylogeny 98
CNTQ Counting Quartets 98
EUBT Enumerating Unrooted Binary Trees 86
GASM Genome Assembly Using Reads 191
GCON Global Alignment with Constant Gap Penalty 208
LING Linguistic Complexity of a Genome 118
LOCA Local Alignment with Scoring Matrix 219
MEND Inferring Genotype from a Pedigree 154
MGAP Maximizing the Gap Symbols of an Optimal Alignment 122
MREP Identifying Maximal Repeats 106
MULT Multiple Alignment 119
PDPL Creating a Restriction Map 130
ROOT Counting Rooted Binary Trees 158
SEXL Sex-Linked Inheritance 227
SPTD Phylogeny Comparison with Split Distance 114
WFMD The Wright-Fisher Model of Genetic Drift 177
ALPH Alignment-Based Phylogeny 71
ASMQ Assessing Assembly Quality with N50 and N75 157
CSET Fixing an Inconsistent Character Set 84
EBIN Wright-Fisher's Expected Behavior 150
FOUN The Founder Effect and Genetic Drift 146
GAFF Global Alignment with Scoring Matrix and Affine Gap Penalty 185
GREP Genome Assembly with Perfect Coverage and Repeats 117
OAP Overlap Alignment 100
QRTD Quartet Distance 56
SIMS Finding a Motif with Modifications 124
SMGB Semiglobal Alignment 98
KSIM Finding All Similar Motifs 45
LAFF Local Alignment with Affine Gap Penalty 112
OSYM Isolating Symbols in Alignments 70
RSUB Identifying Reversing Substitutions 59