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: jaymin vs. “Working with Files”, 9 minutes ago
Problems: 228 (total), users: 20408, attempts: 333041, correct: 193436
ID Title Solved By Correct Ratio
DNA Counting DNA Nucleotides 12891
RNA Transcribing DNA into RNA 11438
REVC Complementing a Strand of DNA 10440
FIB Rabbits and Recurrence Relations 5132
GC Computing GC Content 6389
HAMM Counting Point Mutations 7260
IPRB Mendel's First Law 3574
PROT Translating RNA into Protein 5472
SUBS Finding a Motif in DNA 5754
CONS Consensus and Profile 3366
FIBD Mortal Fibonacci Rabbits 2313
GRPH Overlap Graphs 2787
IEV Calculating Expected Offspring 2230
LCSM Finding a Shared Motif 2320
LIA Independent Alleles 1150
MPRT Finding a Protein Motif 1308
MRNA Inferring mRNA from Protein 2224
ORF Open Reading Frames 1662
PERM Enumerating Gene Orders 3551
PRTM Calculating Protein Mass 2766
REVP Locating Restriction Sites 1963
SPLC RNA Splicing 1969
LEXF Enumerating k-mers Lexicographically 1997
LGIS Longest Increasing Subsequence 702
LONG Genome Assembly as Shortest Superstring 866
PMCH Perfect Matchings and RNA Secondary Structures 679
PPER Partial Permutations 1138
PROB Introduction to Random Strings 1088
SIGN Enumerating Oriented Gene Orderings 1338
SSEQ Finding a Spliced Motif 1256
TRAN Transitions and Transversions 1080
TREE Completing a Tree 1107
CAT Catalan Numbers and RNA Secondary Structures 271
CORR Error Correction in Reads 586
INOD Counting Phylogenetic Ancestors 838
KMER k-Mer Composition 929
KMP Speeding Up Motif Finding 857
LCSQ Finding a Shared Spliced Motif 620
LEXV Ordering Strings of Varying Length Lexicographically 1177
MMCH Maximum Matchings and RNA Secondary Structures 349
PDST Creating a Distance Matrix 657
REAR Reversal Distance 397
RSTR Matching Random Motifs 463
SSET Counting Subsets 826
ASPC Introduction to Alternative Splicing 495
EDIT Edit Distance 491
EVAL Expected Number of Restriction Sites 362
MOTZ Motzkin Numbers and RNA Secondary Structures 186
NWCK Distances in Trees 349
SCSP Interleaving Two Motifs 268
SETO Introduction to Set Operations 659
SORT Sorting by Reversals 308
SPEC Inferring Protein from Spectrum 558
TRIE Introduction to Pattern Matching 374
CONV Comparing Spectra with the Spectral Convolution 356
CTBL Creating a Character Table 188
DBRU Constructing a De Bruijn Graph 354
EDTA Edit Distance Alignment 354
FULL Inferring Peptide from Full Spectrum 277
INDC Independent Segregation of Chromosomes 293
ITWV Finding Disjoint Motifs in a Gene 123
LREP Finding the Longest Multiple Repeat 241
NKEW Newick Format with Edge Weights 242
RNAS Wobble Bonding and RNA Secondary Structures 200
AFRQ Counting Disease Carriers 238
CSTR Creating a Character Table from Genetic Strings 141
CTEA Counting Optimal Alignments 125
CUNR Counting Unrooted Binary Trees 140
GLOB Global Alignment with Scoring Matrix 248
PCOV Genome Assembly with Perfect Coverage 274
PRSM Matching a Spectrum to a Protein 214
QRT Quartets 114
SGRA Using the Spectrum Graph to Infer Peptides 181
SUFF Encoding Suffix Trees 166
CHBP Character-Based Phylogeny 80
CNTQ Counting Quartets 77
EUBT Enumerating Unrooted Binary Trees 61
GASM Genome Assembly Using Reads 154
GCON Global Alignment with Constant Gap Penalty 168
LING Linguistic Complexity of a Genome 99
LOCA Local Alignment with Scoring Matrix 172
MEND Inferring Genotype from a Pedigree 124
MGAP Maximizing the Gap Symbols of an Optimal Alignment 95
MREP Identifying Maximal Repeats 89
MULT Multiple Alignment 95
PDPL Creating a Restriction Map 101
ROOT Counting Rooted Binary Trees 129
SEXL Sex-Linked Inheritance 180
SPTD Phylogeny Comparison with Split Distance 92
WFMD The Wright-Fisher Model of Genetic Drift 142
ALPH Alignment-Based Phylogeny 56
ASMQ Assessing Assembly Quality with N50 and N75 128
CSET Fixing an Inconsistent Character Set 67
EBIN Wright-Fisher's Expected Behavior 119
FOUN The Founder Effect and Genetic Drift 115
GAFF Global Alignment with Scoring Matrix and Affine Gap Penalty 152
GREP Genome Assembly with Perfect Coverage and Repeats 91
OAP Overlap Alignment 72
QRTD Quartet Distance 44
SIMS Finding a Motif with Modifications 92
SMGB Semiglobal Alignment 72
KSIM Finding All Similar Motifs 31
LAFF Local Alignment with Affine Gap Penalty 90
OSYM Isolating Symbols in Alignments 52
RSUB Identifying Reversing Substitutions 48