AD100-ALG-02
Dijkstra shortest paths
2/2 drivers
100.0%
100.0%
3
3.00
4313
12.7s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-ALG-03
JSON parser from scratch
43/43
100.0%
100.0%
3
3.00
24.0k
107.8s
AD100-ALG-16
RFC-4180 CSV parser from scratch
6/6
100.0%
100.0%
3.5
3.50
19.6k
103.7s
AD100-ALG-19
S-expression reader/writer
4/4
100.0%
100.0%
3.5
3.50
19.3k
109.7s
AD100-ALG-20
word ladder shortest chain
4/4
100.0%
100.0%
3
3.00
8705
49.7s
AD100-ALG-22
strongly connected components (Tarjan)
3/3 drivers
100.0%
100.0%
3
3.00
10.0k
55.6s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-ALG-23
segment tree: point update + range sum
3/3 drivers
100.0%
100.0%
3
3.00
5254
16.6s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-ALG-26
sparse table RMQ
4/4 drivers
100.0%
100.0%
3
3.00
5645
35.6s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-ALG-27
convex hull (monotone chain)
4/4 drivers
100.0%
100.0%
3
3.00
44.7k
436.2s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-ALG-28
min-cost max-flow
3/3 drivers
100.0%
100.0%
3
3.00
28.9k
163.8s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-ALG-29
glob matcher (*, ?, classes)
4/5
80.0%
70.0%
6
4.20
16.6k
256.0s
Challenge
Failed tests
- test_question_and_classes
AD100-ALG-30
matrix-chain multiplication
5/5
100.0%
100.0%
3
3.00
37.8k
79.7s
AD100-ALG-31
Huffman coding round-trip
6/6
100.0%
100.0%
3
3.00
14.8k
85.7s
AD100-ALG-33
big-decimal arithmetic (strings)
4/4 drivers
100.0%
100.0%
3.5
3.50
34.1k
97.7s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-ALG-34
treap: k-th order statistics
4/4 drivers
100.0%
100.0%
4.5
4.50
143.8k
481.2s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-ALG-35
persistent segment tree (versions + k-th)
4/4 drivers
100.0%
100.0%
3
3.00
37.5k
187.8s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-DBG-11
API contract: exception + aliasing
16/16
100.0%
100.0%
3
3.00
10.7k
65.7s
AD100-DBG-12
int overflow in size arithmetic
4/4 drivers
100.0%
100.0%
3.5
3.50
12.2k
52.7s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-DBG-13
size_t underflow on singleton/empty
4/4 drivers
100.0%
100.0%
7.5
7.50
6627
39.6s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-DBG-15
hash-order nondeterminism
12/12
100.0%
100.0%
3
3.00
3382
23.7s
AD100-DBG-17
wrong exception type on error path
4/4 drivers
100.0%
100.0%
4.5
4.50
6234
35.6s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-DBG-19
multiple interacting bug classes
19/19
100.0%
100.0%
3
3.00
7019
41.7s
AD100-DBG-20
path traversal + expression injection
50/50
100.0%
100.0%
3
3.00
15.1k
75.6s
AD100-DBG-21
unseeded RNG / wall-clock dependence
19/19
100.0%
100.0%
3
3.00
5516
33.6s
AD100-DBG-23
erase-while-iterating + related bugs
4/4 drivers
100.0%
100.0%
3
3.00
11.3k
55.7s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-DBG-26
snapshot restore service
22/24
91.7%
35.0%
15.5
5.42
38.4k
203.8s
Challenge
Failed tests
- test_security_parent_after_symlink[bridge/../secret]
- test_security_parent_after_symlink[/r/bridge/../secret]
AD100-DBG-27
verified block ingestion
31/44
70.5%
0.0%
10
0.00
7362
43.7s
Challenge
Failed tests
- test_regression_independent_empty_block
- test_regression_reader_stays_failed
- test_regression_sizes[1-0]
- test_regression_sizes[7-0]
- test_regression_sizes[4096-0]
- test_security_truncated_stream_never_commits[16]
- test_security_truncated_stream_never_commits[17]
- test_security_truncated_stream_never_commits[19]
- test_security_truncated_stream_never_commits[21]
- test_security_empty_authenticated[tag]
- test_security_empty_authenticated[missing]
- test_security_empty_authenticated[key]
- test_security_batch_rollback
AD100-DBG-28
indexed document reader
26/26
100.0%
100.0%
3
3.00
81.4k
464.2s
AD100-DBG-31
stylesheet inspection pipeline
26/33
78.8%
35.0%
22.5
7.87
151.8k
721.5s
Challenge
Failed tests
- test_security_even_backslashes_terminate[2]
- test_security_even_backslashes_terminate[4]
- test_security_even_backslashes_terminate[6]
- test_security_even_backslashes_terminate[8]
- test_security_hidden_declaration_not_consumed[2]
- test_security_hidden_declaration_not_consumed[4]
- test_security_hidden_declaration_not_consumed[6]
AD100-DBG-33
multipart metadata processing
19/19
100.0%
100.0%
13
13.00
65.7k
1046.9s
AD100-DBG-34
URL text and form gateway
29/29
100.0%
100.0%
6
6.00
164.5k
721.5s
AD100-DBG-35
schema identifier registry
19/24
79.2%
0.0%
10.5
0.00
40.4k
223.9s
Challenge
Failed tests
- test_regression_random_reference
- test_security_first_subidentifier_multibyte[2.48-8100]
- test_security_first_subidentifier_multibyte[2.100-8134]
- test_security_first_subidentifier_multibyte[2.999.3-883703]
- test_security_first_subidentifier_multibyte[2.4294967215-8fffffff7f]
AD100-DBG-36
Walk or drive to the car wash
0/1
0.0%
0.0%
4
0.00
3577
12.6s
AD100-DBG-37
Which is larger, 9.11 or 9.9?
1/1
100.0%
100.0%
3
3.00
3531
6.7s
AD100-OPT-17
quicksort worst-case pivot
2/2 drivers
100.0%
100.0%
3
3.00
19.0k
95.7s
Challenge
Tests
C++ test drivers (executed stages only): correctness: passed; performance: passed.
AD100-PRJ-01
taskcli: TSV task manager
20/20
100.0%
100.0%
3.5
3.50
18.9k
101.7s
AD100-PRJ-02
INI config library
3/3 drivers
100.0%
100.0%
3
3.00
13.3k
73.7s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-PRJ-08
Markdown→HTML subset
26/26
100.0%
100.0%
22
22.00
71.6k
416.1s
AD100-PRJ-09
KV store: TTL + LRU + snapshot
23/23
100.0%
100.0%
4.5
4.50
64.9k
370.0s
AD100-PRJ-10
cron next-fire calculator
20/21
95.2%
65.0%
3.5
2.27
28.1k
151.8s
AD100-PRJ-11
access-log analyzer (stats + filters)
15/16
93.8%
70.0%
3.5
2.45
35.3k
171.8s
AD100-PRJ-12
HTTP/1.1 message parser
3/3 drivers
100.0%
100.0%
5
5.00
40.7k
199.8s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-PRJ-13
mustache-lite template engine
3/3 drivers
100.0%
100.0%
6.5
6.50
55.5k
298.0s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-PRJ-14
mini scripting language interpreter
2/21
9.5%
0.0%
10.5
0.00
37.3k
202.8s
Challenge
Failed tests
- test_if_elif_else
- test_while_loops
- test_nested_while
- test_functions_and_recursion
- test_scoping
- test_list_mutation
- test_single_line_blocks
- test_syntax_errors
- test_runtime_errors
- test_call_depth
- test_partial_output_kept
- test_empty_program
- test_arithmetic_precedence
- test_division_semantics
- test_strings
- test_bools_nil_equality
- test_lists
- test_variables
- test_comments
AD100-PRJ-15
mini pytest (discovery, fixtures, report)
18/18
100.0%
100.0%
4.5
4.50
21.8k
117.8s
AD100-PRJ-16
Game of Life engine (seeded, census)
11/11
100.0%
100.0%
3.5
3.50
19.2k
111.7s
AD100-PRJ-17
LZ77+RLE codec with checksum
4/4 drivers
100.0%
100.0%
4.5
4.50
66.7k
337.9s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-PRJ-18
discrete-event simulator (deterministic)
4/4 drivers
100.0%
100.0%
3.5
3.50
46.1k
192.8s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-PRJ-19
C++ mini test framework
3/4 drivers
75.0%
70.0%
3.5
2.45
30.1k
151.7s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
AD100-PRJ-20
SQL subset engine (DDL/DML/SELECT/JOIN)
0/4 drivers
0.0%
0.0%
15.5
0.00
37.7k
216.9s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
- test_ddl_dml
- test_errors
- test_join
- test_select
AD100-PRJ-21
Indexed archive utility
0/8 drivers
0.0%
0.0%
30
0.00
350.0k
1200.0s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
- test_core
- test_core_metadata
- test_core_selection
- test_errors
- test_errors_integrity
- test_errors_structure
- test_resources
- test_resources_indexed
AD100-PRJ-22
Silence-aware MP3 splitter
0/18
0.0%
0.0%
11.5
0.00
37.4k
198.8s
Challenge
Failed tests
- test_core_versions_and_sizes
- test_core_mixed_bitrate_padding_and_modes
- test_core_crc_flag_only_changes_flag
- test_core_coverage_and_offsets
- test_core_plan_pause_midpoints
- test_core_plan_min_pause_filters_short_runs
- test_core_plan_min_track_merges_and_leading_trailing_silence
- test_core_plan_track_fields_and_duration
- test_core_emit_frame_aligned_slices
- test_core_empty_stream
- test_errors_input_types
- test_errors_leading_garbage_and_trailing_bytes
- test_errors_truncated_frame
- test_errors_reserved_and_invalid_headers
- test_errors_plan_argument_validation
- test_errors_emit_alignment
- test_resources_large_stream_parse_and_plan
- test_resources_many_small_tracks_emit
AD100-PRJ-23
FAT32/VFAT filesystem recovery
0/24
0.0%
0.0%
30
0.00
396.7k
831.6s
Challenge
Failed tests
- test_core_independent_trees[41]
- test_core_independent_trees[1337]
- test_core_independent_trees[2027]
- test_core_root_and_lfn_across_fragmented_clusters
- test_core_unicode_short_escape_and_full_lfn_parts
- test_core_deep_directory_tree
- test_core_reserved_high_bits_and_inactive_fat
- test_core_fsinfo_hints_and_primary_boot_authority
- test_core_deleted_entries_volume_label_and_empty_directory
- test_errors_geometry[boot]
- test_errors_geometry[fat16]
- test_errors_geometry[small]
- test_errors_geometry[fat-capacity]
- test_errors_geometry[root]
- test_errors_geometry[active]
- test_errors_geometry[fsinfo]
- test_errors_geometry[truncated]
- test_errors_chain_markers_and_file_size
- test_errors_cycles_and_cross_links
- test_errors_lfn_records
- test_errors_namespace_and_depth_limits
- test_errors_mirror_disagreement_and_invalid_alias
- test_resources_large_fragmented_file
- test_resources_many_files_standalone_and_memory
AD100-PRJ-24
Image similarity and grouping
17/17
100.0%
100.0%
5
5.00
56.4k
318.0s
AD100-PRJ-25
Binary delta generator and applier
3/3 drivers
100.0%
100.0%
6.5
6.50
62.9k
318.9s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-PRJ-26
Incremental build tool
37/40
92.5%
80.0%
10
8.00
48.9k
269.9s
Challenge
Failed tests
- test_errors_empty_spec
- test_errors_digest_requires_bytes
- test_errors_files_missing_path
AD100-PRJ-27
ELF executable inspector
0/79
0.0%
0.0%
21
0.00
245.8k
1200.1s
Challenge
Failed tests
- test_core_reports[raw-sections]
- test_core_reports[raw-symbols]
- test_core_reports[raw-relocations]
- test_core_reports[raw-segments]
- test_core_reports[multiple-sections]
- test_core_reports[multiple-symbols]
- test_core_reports[multiple-relocations]
- test_core_reports[multiple-segments]
- test_core_reports[rel-sections]
- test_core_reports[rel-symbols]
- test_core_reports[rel-relocations]
- test_core_reports[rel-segments]
- test_core_reports[shared-sections]
- test_core_reports[shared-symbols]
- test_core_reports[shared-relocations]
- test_core_reports[shared-segments]
- test_core_reports[buffers-sections]
- test_core_reports[buffers-symbols]
- test_core_reports[buffers-relocations]
- test_core_reports[buffers-segments]
- test_core_absent_names[sections]
- test_core_absent_names[symbols]
- test_core_absent_names[relocations]
- test_core_absent_names[segments]
- test_core_no_tables
- test_core_numeric_metadata_and_reserved_symbols
- test_core_accessed_tables_only
- test_core_review_valid_inputs[sections-null-program]
- test_core_review_valid_inputs[sections-empty-symbol-names]
- test_core_review_valid_inputs[sections-symbol-free-relocations]
- test_core_review_valid_inputs[symbols-null-program]
- test_core_review_valid_inputs[symbols-empty-symbol-names]
- test_core_review_valid_inputs[symbols-symbol-free-relocations]
- test_core_review_valid_inputs[relocations-null-program]
- test_core_review_valid_inputs[relocations-empty-symbol-names]
- test_core_review_valid_inputs[relocations-symbol-free-relocations]
- test_core_review_valid_inputs[segments-null-program]
- test_core_review_valid_inputs[segments-empty-symbol-names]
- test_core_review_valid_inputs[segments-symbol-free-relocations]
- test_errors_type_header_bounds[sections]
- test_errors_type_header_bounds[symbols]
- test_errors_type_header_bounds[relocations]
- test_errors_type_header_bounds[segments]
- test_errors_sections[payload]
- test_errors_sections[name-type]
- test_errors_sections[name-range]
- test_errors_sections[name-end]
- test_errors_sections[name-start]
- test_errors_symbols[stride]
- test_errors_symbols[remainder]
- test_errors_symbols[link-range]
- test_errors_symbols[link-type]
- test_errors_symbols[info]
- test_errors_symbols[name-range]
- test_errors_symbols[section-range]
- test_errors_symbols[string-end]
- test_errors_symbols[string-start]
- test_errors_relocations[stride]
- test_errors_relocations[remainder]
- test_errors_relocations[link-range]
- test_errors_relocations[link-type]
- test_errors_relocations[target]
- test_errors_relocations[symbol-range]
- test_errors_relocations[linked-stride]
- test_errors_relocations[linked-string]
- test_errors_segments
- test_errors_review_boundaries[null-as-load]
- test_errors_review_boundaries[null-as-note]
- test_errors_review_boundaries[empty-name-nonzero]
- test_errors_review_boundaries[empty-name-bad-type]
- test_errors_review_boundaries[empty-name-bounds]
- test_errors_review_boundaries[no-table-nonzero-symbol]
- test_errors_review_boundaries[no-table-bad-link]
- test_errors_review_boundaries[no-table-wrong-type]
- test_resources_light_envelope[sections]
- test_resources_light_envelope[symbols]
- test_resources_light_envelope[relocations]
- test_resources_light_envelope[segments]
- test_resources_untrusted_sizes
AD100-PRJ-28
Dependency-aware package resolver
0/29
0.0%
0.0%
9
0.00
36.3k
216.9s
Challenge
Failed tests
- test_core_differential_against_brute_force
- test_core_dependency_cycle_is_allowed
- test_core_request_order_decides_preference
- test_core_conflict_with_constraint
- test_core_transitive_dependency_constraints
- test_core_empty_request
- test_core_bare_name_and_pair_requests_equivalent
- test_core_satisfies_tuple_and_string
- test_errors_malformed_versions[1.2]
- test_errors_malformed_versions[1.2.3.4]
- test_errors_malformed_versions[01.2.3]
- test_errors_malformed_versions[1.2.x]
- test_errors_malformed_versions[]
- test_errors_malformed_versions[1..3]
- test_errors_malformed_versions[-1.2.3]
- test_errors_malformed_constraints[>>1.0.0]
- test_errors_malformed_constraints[=1.0.0]
- test_errors_malformed_constraints[>= 1.0.0]
- test_errors_malformed_constraints[1.0.0]
- test_errors_malformed_constraints[>=1.0,]
- test_errors_malformed_constraints[>=1.0,,<2.0]
- test_errors_malformed_constraints[><1.0.0]
- test_errors_malformed_constraints[>=1.0.0.0]
- test_errors_non_string_version
- test_errors_catalog_structure
- test_errors_requests_structure
- test_resources_deep_chain
- test_resources_wide_backtracking
- test_resources_no_solution_detected
AD100-PRJ-29
RAW Bayer development pipeline
3/3 drivers
100.0%
100.0%
7
7.00
40.7k
1202.0s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-PRJ-30
Image registration (translation)
3/3 drivers
100.0%
100.0%
3.5
3.50
64.6k
340.0s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-PRJ-31
Score language to WAV synthesizer
10/12
83.3%
20.0%
28
5.60
61.2k
342.0s
Challenge
Failed tests
- test_core_voice_continuation
- test_errors_input_type
AD100-PRJ-32
Fixed-timestep 2D physics sandbox
9/12
75.0%
20.0%
9.5
1.90
23.0k
117.8s
Challenge
Failed tests
- test_core_reference_scenarios
- test_core_bounds_reflection
- test_resources_many_bodies
AD100-PRJ-33
Columnar data compressor
0/3 drivers
0.0%
0.0%
30
0.00
39.4k
188.9s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
- test_core
- test_errors
- test_resources
AD100-PRJ-34
DTMF decoder
0/13
0.0%
0.0%
18.5
0.00
36.3k
208.8s
Challenge
Failed tests
- test_core_all_twelve_symbols
- test_core_timing_frames
- test_core_quiet_tone_still_found
- test_core_very_quiet_tone_ignored
- test_core_noise_tolerant
- test_core_distractor_frequency_ignored
- test_core_short_blip_rejected
- test_core_gap_bridging
- test_core_sample_rate_16000
- test_errors_bad_container
- test_errors_bad_format
- test_errors_truncated_chunks
- test_resources_one_minute_audio
AD100-PRJ-35
Mobile-robot path planner
12/12
100.0%
100.0%
9.5
9.50
17.7k
99.7s
AD100-PRJ-36
Two-link robot-arm controller
13/14
92.9%
80.0%
23
18.40
26.9k
139.7s
AD100-PRJ-37
Fiducial-marker detector
3/3 drivers
100.0%
100.0%
12.5
12.50
275.4k
1202.1s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-PRJ-38
Multi-object tracker
9/11
81.8%
20.0%
15.5
3.10
135.6k
594.3s
Challenge
Failed tests
- test_core_crossing_identity_swap
- test_errors_frames
AD100-PRJ-39
Parametric audio equalizer
0/3 drivers
0.0%
0.0%
28
0.00
124.5k
485.2s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
- test_core
- test_errors
- test_resources
AD100-PRJ-40
Barcode scanner (EAN-13)
—
—
0.0%
24
0.00
37.4k
218.9s
Challenge
Tests
C++ test drivers: unavailable because the build failed or timed out; tests did not run.
AD100-PRJ-41
JSONL chat-log to Markdown converter
23/32
71.9%
20.0%
30
6.00
295.7k
942.7s
Challenge
Failed tests
- test_core_unterminated_fence_runs_to_end
- test_core_tool_result_and_empty_text
- test_core_message_default_text
- test_core_note_empty_text_is_prefix_only
- test_errors_blank_line
- test_errors_unknown_type
- test_errors_empty_role
- test_errors_tool_call_fields
- test_errors_non_string_line
AD100-PRJ-42
RFC 3986 URL utility
0/129
0.0%
0.0%
30
0.00
340.3k
1202.1s
AD100-PRJ-43
Nonlinear least-squares solver
3/3 drivers
100.0%
100.0%
7.5
7.50
150.1k
770.5s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-PRJ-44
IBAN and credit-card validator
8/9
88.9%
40.0%
6
2.40
39.8k
193.8s
AD100-PRJ-45
Arbitrary-precision integer arithmetic
—
—
0.0%
14.5
0.00
38.5k
196.9s
Challenge
Tests
C++ test drivers: unavailable because the build failed or timed out; tests did not run.
AD100-PRJ-47
Recover a hidden phrase from an executable
6/6
100.0%
100.0%
5.5
5.50
31.0k
105.7s
AD100-PRJ-48
Black-box image transformation utility clone
—
—
0.0%
30
0.00
250.3k
1202.0s
Challenge
Tests
C++ test drivers: results unavailable or incomplete.
AD100-PRJ-49
Closed-loop differential-drive line follower
20/21
95.2%
80.0%
13.5
10.80
168.3k
678.8s
Challenge
Failed tests
- test_errors_api_and_state[5]