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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. 82 documented errors.

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