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TheAlgorithms/Go

Algorithms and Data Structures implemented in Go for beginners, following best practices. · Go · 272 source files

Analyzed at 5ba447ec5f on 2026-09-02. 80 documented errors.

Code / Message	Type	Severity	Tags
populationNum must be bigger than selectionNum	validation	error	go, genetic-algorithm, configuration, invalid-input
factorization failed	validation	warning	go, math, factorization, probabilistic-algorithm
negative Exponent provided	validation	error	go, math, modular-arithmetic, invalid-input
target not found in array	validation	warning	go, search, not-found, invalid-input
failed to Encrypt	validation	error	rsa, encryption, go
cannot delete key from node with minimum number of keys	panic	error	panic, btree, invariant-violation
no text to encrypt	validation	error	transposition, cipher, go, empty-input
error queue is empty	validation	error	go, queue, data-structure, empty-collection
invalid character in hexadecimal string:	validation	error	conversion, hexadecimal, go, input-validation
nodes should not have less than the minimum number of keys	panic	error	panic, btree, invariant-violation
interval boundaries should be finite numbers	validation	error	go, math, ternary-search, input-validation
Cannot contain numbers or symbols	validation	error	isogram, input-validation, strings
not a valid binary string	validation	error	conversion, binary, go, input-validation
failed to Decrypt	validation	error	rsa, decryption, go
pattern was not found in the input string	validation	warning	string-search, sentinel-error, not-found
dequeue is empty we got an error	validation	error	go, queue, data-structure, empty-collection
input string is empty	validation	error	conversion, hexadecimal, go, empty-input
panic(err)	panic	critical	go, crypto, dsa, panic, random-generation
size must be greater than 0	validation	error	go, validation, data-structures, circular-queue
Invalid isogram order provided	validation	error	isogram, enum-validation, strings
BTree maxKeys cannot be zero	panic	critical	panic, btree, invalid-argument
character not available in charmap at position	validation	error	genetic-algorithm, validation, strings
`ErrInvalidPosition` invalid position in subset	error_code	error
missing Key	validation	error	transposition, cipher, go, missing-key
left boundary starts from the first node	validation	error	go, data-structures, linked-list, bounds-check, off-by-one
binary number must be in range 0 to 2^(31-1)	validation	error	conversion, binary, overflow, go
Must be >= 3 keys	panic	critical	panic, btree, invalid-argument
invalid roman numeral	validation	error
`ErrEmptyDequeue` DoublyEnded queue is empty, so can't perform this operation	error_code	warning	go, data-structures, deque, sentinel-error, underflow
no Modular Inverse exists	validation	error	go, math, modular-arithmetic, modular-inverse
node has too few keys	panic	error	panic, btree, invariant-violation
stack list is empty	validation	error	go, stack, data-structure, empty-collection
Called InsertNonFull() with a full node	panic	error	panic, btree, precondition-failed
`ErrNegativeSum` negative sum is not allowed	error_code	error
invalid hexadecimal string:	validation	error	conversion, hexadecimal, go, input-validation
node has too many keys	panic	error	panic, btree, invariant-violation
empty slice provided	validation	warning	math, empty-slice, sentinel-error, go
less func is necessary	validation	error	go, data-structures, heap, nil-check, constructor-validation
arguments cannot be zero	validation	error
cannot merge when leaf node is parent	panic	error	panic, btree, invalid-operation
huffman coding: HuffTree : calling method with empty list…	validation	error
x must be < n - given values are x=	validation	error
negative weight cycle present	validation	error
index out of bounds	validation	error	matrix, out-of-bounds, bounds-check, go
integer must have +ve value	validation	error	conversion, binary, go, negative-number
provided string should only contain latin characters	validation	error
queue is full	validation	error	go, data-structures, circular-queue, overflow
left boundary must smaller than right	validation	error	go, data-structures, linked-list, bounds-check, argument-validation
`ErrNoTextToEncrypt` : cannot encrypt a text, , ending with the placeholder char	error_code	error
integer overflow	validation	error	math, integer-overflow, int64, modular-arithmetic, go
matrices are not compatible for addition	validation	error
invalid character in hexadecimal string: %c	validation	error
provided size cannot be negative	validation	error
index out of range	validation	error	go, data-structures, dynamic-array, bounds-check, index-out-of-range
negative dimensions are not allowed	validation	error	matrix, submatrix, negative-index, go
contains same character	validation	error
submatrix dimensions exceed matrix bounds	validation	error	matrix, submatrix, out-of-bounds, go
%c does not exist in characters	validation	error
integer must be between 1 and 3999	validation	error
matrices are not compatible for subtraction	validation	error	matrix, subtraction, dimension-mismatch, go
does not exist in keys	validation	error
coloring: same colors of neighbouring vertex	validation	error
len(key): must be as long as size squared	validation	error
queue is empty	validation	warning	go, data-structures, circular-queue, underflow
right boundary cannot be greater than the length of the…	validation	error	go, data-structures, linked-list, bounds-check, index-out-of-range
deleting out of bounds key	panic	error	panic, btree, out-of-range
invalid hexadecimal string	validation	error
mismatched dimensions	validation	error
strings must have a same length	validation	error	hamming-distance, strings, validation
Matrix rows and columns must equal in order to find the…	validation	error	matrix, determinant, dimension-mismatch, go
arguments must be positive	validation	error
rows have different numbers of columns	validation	error	matrix, jagged-slice, validation, go
failed encipher	validation	error
input argument must be non-negative integer	validation	error
matrices cannot be multiplied: column count of the first…	validation	error	matrix, multiplication, dimension-mismatch, go
can't have a negative n-th catalan number	error_code	error
coloring: not all vertices of graph are colored	validation	error
the size of "chars" must be even	validation	error
failed decipher	validation	error
provided size is too small to use to slice string of len	validation	error