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: Arrow vs. “Counting DNA Nucleotides”, 30 minutes ago
Problems: 285 (total), users: 71530, attempts: 1172883, correct: 651803
ID Title Solved By Correct Ratio
DNA Counting DNA Nucleotides 41067
RNA Transcribing DNA into RNA 36621
REVC Complementing a Strand of DNA 33095
FIB Rabbits and Recurrence Relations 18929
GC Computing GC Content 19244
HAMM Counting Point Mutations 21771
IPRB Mendel's First Law 12617
PROT Translating RNA into Protein 16947
SUBS Finding a Motif in DNA 17408
CONS Consensus and Profile 9592
FIBD Mortal Fibonacci Rabbits 8098
GRPH Overlap Graphs 7900
IEV Calculating Expected Offspring 7320
LCSM Finding a Shared Motif 6750
LIA Independent Alleles 3879
MPRT Finding a Protein Motif 4192
MRNA Inferring mRNA from Protein 6461
ORF Open Reading Frames 5013
PERM Enumerating Gene Orders 8823
PRTM Calculating Protein Mass 8310
REVP Locating Restriction Sites 5288
SPLC RNA Splicing 5886
LEXF Enumerating k-mers Lexicographically 4925
LGIS Longest Increasing Subsequence 2158
LONG Genome Assembly as Shortest Superstring 2448
PMCH Perfect Matchings and RNA Secondary Structures 2345
PPER Partial Permutations 3240
PROB Introduction to Random Strings 3202
SIGN Enumerating Oriented Gene Orderings 3246
SSEQ Finding a Spliced Motif 3559
TRAN Transitions and Transversions 3421
TREE Completing a Tree 2877
CAT Catalan Numbers and RNA Secondary Structures 973
CORR Error Correction in Reads 1560
INOD Counting Phylogenetic Ancestors 2124
KMER k-Mer Composition 2368
KMP Speeding Up Motif Finding 1887
LCSQ Finding a Shared Spliced Motif 1641
LEXV Ordering Strings of Varying Length Lexicographically 2633
MMCH Maximum Matchings and RNA Secondary Structures 1157
PDST Creating a Distance Matrix 1722
REAR Reversal Distance 816
RSTR Matching Random Motifs 1312
SSET Counting Subsets 1990
ASPC Introduction to Alternative Splicing 1250
EDIT Edit Distance 1193
EVAL Expected Number of Restriction Sites 981
MOTZ Motzkin Numbers and RNA Secondary Structures 615
NWCK Distances in Trees 767
SCSP Interleaving Two Motifs 734
SETO Introduction to Set Operations 1562
SORT Sorting by Reversals 628
SPEC Inferring Protein from Spectrum 1214
TRIE Introduction to Pattern Matching 947
CONV Comparing Spectra with the Spectral Convolution 773
CTBL Creating a Character Table 437
DBRU Constructing a De Bruijn Graph 798
EDTA Edit Distance Alignment 788
FULL Inferring Peptide from Full Spectrum 548
INDC Independent Segregation of Chromosomes 628
ITWV Finding Disjoint Motifs in a Gene 302
LREP Finding the Longest Multiple Repeat 430
NKEW Newick Format with Edge Weights 478
RNAS Wobble Bonding and RNA Secondary Structures 431
AFRQ Counting Disease Carriers 531
CSTR Creating a Character Table from Genetic Strings 284
CTEA Counting Optimal Alignments 302
CUNR Counting Unrooted Binary Trees 275
GLOB Global Alignment with Scoring Matrix 564
PCOV Genome Assembly with Perfect Coverage 570
PRSM Matching a Spectrum to a Protein 415
QRT Quartets 226
SGRA Using the Spectrum Graph to Infer Peptides 356
SUFF Encoding Suffix Trees 314
CHBP Character-Based Phylogeny 151
CNTQ Counting Quartets 160
EUBT Enumerating Unrooted Binary Trees 147
GASM Genome Assembly Using Reads 315
GCON Global Alignment with Constant Gap Penalty 359
LING Linguistic Complexity of a Genome 189
LOCA Local Alignment with Scoring Matrix 382
MEND Inferring Genotype from a Pedigree 244
MGAP Maximizing the Gap Symbols of an Optimal Alignment 201
MREP Identifying Maximal Repeats 169
MULT Multiple Alignment 204
PDPL Creating a Restriction Map 217
ROOT Counting Rooted Binary Trees 231
SEXL Sex-Linked Inheritance 408
SPTD Phylogeny Comparison with Split Distance 163
WFMD The Wright-Fisher Model of Genetic Drift 321
ALPH Alignment-Based Phylogeny 113
ASMQ Assessing Assembly Quality with N50 and N75 250
CSET Fixing an Inconsistent Character Set 124
EBIN Wright-Fisher's Expected Behavior 267
FOUN The Founder Effect and Genetic Drift 252
GAFF Global Alignment with Scoring Matrix and Affine Gap Penalty 298
GREP Genome Assembly with Perfect Coverage and Repeats 192
OAP Overlap Alignment 176
QRTD Quartet Distance 81
SIMS Finding a Motif with Modifications 209
SMGB Semiglobal Alignment 178
KSIM Finding All Similar Motifs 78
LAFF Local Alignment with Affine Gap Penalty 175
OSYM Isolating Symbols in Alignments 126
RSUB Identifying Reversing Substitutions 92