AD100-ALG-02
Dijkstra shortest paths
2/2 drivers
100.0%
100.0%
3
3.00
6095
14.7s
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
18.7k
55.8s
AD100-ALG-16
RFC-4180 CSV parser from scratch
5/6
83.3%
70.0%
3.5
2.45
15.1k
40.9s
Challenge
Failed tests
- test_edge_quoting_and_separators
AD100-ALG-19
S-expression reader/writer
4/4
100.0%
100.0%
3.5
3.50
75.7k
481.9s
AD100-ALG-20
word ladder shortest chain
4/4
100.0%
100.0%
3
3.00
8001
35.8s
AD100-ALG-22
strongly connected components (Tarjan)
3/3 drivers
100.0%
100.0%
3
3.00
8253
24.9s
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
11.9k
34.9s
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
4699
25.8s
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
10.5k
43.9s
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
24.7k
73.0s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-ALG-29
glob matcher (*, ?, classes)
5/5
100.0%
100.0%
6
6.00
22.2k
56.9s
AD100-ALG-30
matrix-chain multiplication
5/5
100.0%
100.0%
3
3.00
5182
27.8s
AD100-ALG-31
Huffman coding round-trip
6/6
100.0%
100.0%
3
3.00
14.0k
30.8s
AD100-ALG-33
big-decimal arithmetic (strings)
4/4 drivers
100.0%
100.0%
3.5
3.50
28.4k
94.0s
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
18.1k
61.9s
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
16.8k
45.0s
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
4918
12.8s
AD100-DBG-12
int overflow in size arithmetic
3/4 drivers
75.0%
40.0%
3.5
1.40
5189
25.8s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
AD100-DBG-13
size_t underflow on singleton/empty
2/4 drivers
50.0%
40.0%
7.5
3.00
6330
14.8s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
- test_bugs
- test_bugs_public
AD100-DBG-15
hash-order nondeterminism
12/12
100.0%
100.0%
3
3.00
3365
6.8s
AD100-DBG-17
wrong exception type on error path
4/4 drivers
100.0%
100.0%
4.5
4.50
8468
22.9s
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
5196
10.8s
AD100-DBG-20
path traversal + expression injection
49/50
98.0%
40.0%
3
1.20
8610
20.9s
Challenge
Failed tests
- test_evaluate_arithmetic[-10 / 3--4]
AD100-DBG-21
unseeded RNG / wall-clock dependence
19/19
100.0%
100.0%
3
3.00
4697
10.8s
AD100-DBG-23
erase-while-iterating + related bugs
4/4 drivers
100.0%
100.0%
3
3.00
5297
10.8s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-DBG-26
snapshot restore service
24/24
100.0%
100.0%
15.5
15.50
61.2k
196.3s
AD100-DBG-27
verified block ingestion
43/44
97.7%
65.0%
10
6.50
39.4k
124.2s
Challenge
Failed tests
- test_regression_independent_empty_block
AD100-DBG-28
indexed document reader
26/26
100.0%
100.0%
3
3.00
38.0k
119.2s
AD100-DBG-31
stylesheet inspection pipeline
26/33
78.8%
35.0%
22.5
7.87
137.0k
424.1s
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
17/19
89.5%
35.0%
13
4.55
168.4k
501.3s
Challenge
Failed tests
- test_security_long_unassigned_parameter
- test_security_large_malformed_then_valid
AD100-DBG-34
URL text and form gateway
24/29
82.8%
35.0%
6
2.10
125.8k
360.0s
Challenge
Failed tests
- test_security_no_cascading[%2541x%41%zz-%41xA%zz]
- test_security_no_cascading[%252Bx%2B-%2Bx+]
- test_security_no_cascading[%25C3%25A9x%C3%A9-%C3%A9x\xe9]
- test_security_many_distinct_runs
- test_security_form_boundaries
AD100-DBG-35
schema identifier registry
17/24
70.8%
0.0%
10.5
0.00
34.9k
112.0s
Challenge
Failed tests
- test_regression_random_reference
- test_regression_malformed_wire[\x80\x00]
- test_regression_malformed_wire[\x81]
- 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
2542
6.7s
AD100-DBG-37
Which is larger, 9.11 or 9.9?
1/1
100.0%
100.0%
3
3.00
3140
4.7s
AD100-OPT-17
quicksort worst-case pivot
2/2 drivers
100.0%
100.0%
3
3.00
8104
33.8s
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
9050
39.9s
AD100-PRJ-02
INI config library
3/3 drivers
100.0%
100.0%
3
3.00
9366
30.8s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-PRJ-08
Markdown→HTML subset
25/26
96.2%
70.0%
22
15.40
34.2k
124.1s
Challenge
Failed tests
- test_unmatched_markers_stay_literal
AD100-PRJ-09
KV store: TTL + LRU + snapshot
22/23
95.7%
80.0%
4.5
3.60
63.1k
238.4s
Challenge
Failed tests
- test_corrupt_beats_command_but_not_usage
AD100-PRJ-10
cron next-fire calculator
21/21
100.0%
100.0%
3.5
3.50
49.4k
176.3s
AD100-PRJ-11
access-log analyzer (stats + filters)
16/16
100.0%
100.0%
3.5
3.50
32.1k
106.0s
AD100-PRJ-12
HTTP/1.1 message parser
0/3 drivers
0.0%
0.0%
5
0.00
74.2k
220.3s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
- test_basic
- test_edge
- test_errors
AD100-PRJ-13
mustache-lite template engine
2/3 drivers
66.7%
60.0%
6.5
3.90
58.1k
208.2s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
AD100-PRJ-14
mini scripting language interpreter
14/21
66.7%
0.0%
10.5
0.00
120.3k
354.0s
Challenge
Failed tests
- test_list_mutation
- test_syntax_errors
- test_runtime_errors
- test_call_depth
- test_partial_output_kept
- test_bools_nil_equality
- test_lists
AD100-PRJ-15
mini pytest (discovery, fixtures, report)
18/18
100.0%
100.0%
4.5
4.50
39.3k
125.8s
AD100-PRJ-16
Game of Life engine (seeded, census)
9/11
81.8%
30.0%
3.5
1.05
23.9k
105.8s
Challenge
Failed tests
- test_report_matches_oracle
- test_births_deaths_sum_consistent
AD100-PRJ-17
LZ77+RLE codec with checksum
1/4 drivers
25.0%
25.0%
4.5
1.12
59.1k
201.7s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
- test_decode
- test_errors
- test_roundtrip
AD100-PRJ-18
discrete-event simulator (deterministic)
4/4 drivers
100.0%
100.0%
3.5
3.50
26.6k
68.7s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-PRJ-19
C++ mini test framework
4/4 drivers
100.0%
100.0%
3.5
3.50
23.0k
77.7s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-PRJ-20
SQL subset engine (DDL/DML/SELECT/JOIN)
0/4 drivers
0.0%
0.0%
15.5
0.00
339.2k
934.7s
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
263.0k
425.1s
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
16/18
88.9%
20.0%
11.5
2.30
151.4k
391.2s
Challenge
Failed tests
- test_core_mixed_bitrate_padding_and_modes
- test_errors_plan_argument_validation
AD100-PRJ-23
FAT32/VFAT filesystem recovery
3/24
12.5%
0.0%
30
0.00
526.0k
935.7s
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_deleted_entries_volume_label_and_empty_directory
- test_errors_geometry[fat16]
- test_errors_geometry[small]
- test_errors_geometry[fat-capacity]
- 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
63.1k
174.8s
AD100-PRJ-25
Binary delta generator and applier
1/3 drivers
33.3%
20.0%
6.5
1.30
158.1k
730.5s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
AD100-PRJ-26
Incremental build tool
36/40
90.0%
80.0%
10
8.00
55.3k
187.8s
Challenge
Failed tests
- test_errors_unknown_dependency
- test_errors_empty_spec
- test_errors_digest_requires_bytes
- test_errors_files_missing_path
AD100-PRJ-27
ELF executable inspector
43/79
54.4%
0.0%
21
0.00
111.8k
214.9s
Challenge
Failed tests
- test_core_reports[multiple-symbols]
- test_core_reports[rel-relocations]
- test_core_absent_names[sections]
- test_core_absent_names[symbols]
- test_core_absent_names[relocations]
- test_core_no_tables
- 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-end]
- test_errors_sections[name-start]
- test_errors_symbols[stride]
- 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[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_untrusted_sizes
AD100-PRJ-28
Dependency-aware package resolver
28/29
96.5%
40.0%
9
3.60
60.0k
218.8s
Challenge
Failed tests
- test_core_conflict_with_constraint
AD100-PRJ-29
RAW Bayer development pipeline
3/3 drivers
100.0%
100.0%
7
7.00
33.1k
62.7s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-PRJ-30
Image registration (translation)
2/3 drivers
66.7%
40.0%
3.5
1.40
73.0k
234.9s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
AD100-PRJ-31
Score language to WAV synthesizer
0/12
0.0%
0.0%
28
0.00
37.1k
120.8s
Challenge
Failed tests
- test_core_reference_match
- test_core_voice_continuation
- test_core_tempo_per_voice
- test_core_envelope_zero_at_end
- test_core_quantization_bounds
- test_core_all_waves_present
- test_errors_syntax
- test_errors_input_type
- test_errors_conflicting_rate
- test_errors_nan_values
- test_resources_long_score
- test_resources_many_voices
AD100-PRJ-32
Fixed-timestep 2D physics sandbox
11/12
91.7%
80.0%
9.5
7.60
33.7k
99.7s
Challenge
Failed tests
- test_errors_numeric_ranges
AD100-PRJ-33
Columnar data compressor
1/3 drivers
33.3%
20.0%
30
6.00
140.4k
446.2s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
AD100-PRJ-34
DTMF decoder
0/13
0.0%
0.0%
18.5
0.00
43.7k
136.7s
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
11/12
91.7%
80.0%
9.5
7.60
13.4k
32.6s
AD100-PRJ-36
Two-link robot-arm controller
13/14
92.9%
80.0%
23
18.40
36.5k
96.7s
AD100-PRJ-37
Fiducial-marker detector
—
—
0.0%
12.5
0.00
37.3k
118.7s
Challenge
Tests
C++ test drivers: unavailable because the build failed or timed out; tests did not run.
AD100-PRJ-38
Multi-object tracker
9/11
81.8%
20.0%
15.5
3.10
69.2k
208.9s
Challenge
Failed tests
- test_core_crossing_identity_swap
- test_errors_frames
AD100-PRJ-39
Parametric audio equalizer
1/3 drivers
33.3%
20.0%
28
5.60
69.2k
241.9s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
AD100-PRJ-40
Barcode scanner (EAN-13)
—
—
0.0%
24
0.00
44.8k
128.8s
Challenge
Tests
C++ test drivers: results unavailable or incomplete.
AD100-PRJ-41
JSONL chat-log to Markdown converter
17/32
53.1%
0.0%
30
0.00
125.5k
343.1s
Challenge
Failed tests
- test_core_width_none_keeps_spacing
- test_core_long_word_not_split
- test_core_width_one
- test_core_fence_with_language_and_wrap_around
- 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_core_unicode_preserved
- test_core_one_shot_iterator_input
- test_core_wrapping_matches_reference_on_fuzz
- test_errors_unknown_type
- test_errors_tool_call_fields
- test_errors_text_type
- test_resources_many_records
AD100-PRJ-42
RFC 3986 URL utility
81/129
62.8%
0.0%
30
0.00
165.0k
310.9s
Challenge
Failed tests
- test_core_rfc3986_resolution[/g-http://a/g]
- test_core_rfc3986_resolution[-http://a/b/c/d;p?q]
- test_core_rfc3986_resolution[.-http://a/b/c/]
- test_core_rfc3986_resolution[..-http://a/b/]
- test_core_rfc3986_resolution[/./g-http://a/g]
- test_core_rfc3986_resolution[/../g-http://a/g]
- test_core_rfc3986_resolution[./g/.-http://a/b/c/g/]
- test_core_rfc3986_resolution[g?y/./x-http://a/b/c/g?y/./x]
- test_core_rfc3986_resolution[g?y/../x-http://a/b/c/g?y/../x]
- test_core_rfc3986_resolution[g#s/./x-http://a/b/c/g#s/./x]
- test_core_rfc3986_resolution[g#s/../x-http://a/b/c/g#s/../x]
- test_core_decode_replacement
- test_core_normalize_literals[WSS://U%73er@%45XAMPLE:00443/a//b/%2E/../c?%2f=%41#%7e-wss://User@example/a//b/c?%2F=A#~]
- test_core_normalize_literals[http://H%2fX:00081/?#-http://h%2Fx:81/?#]
- test_core_normalize_literals[file:///a/../../b-file:///b]
- test_core_empty_authority_userinfo_and_scheme
- test_core_utf8_and_ipv6_profile
- test_core_decode_maximal_subparts[caf\xe9%2B+-caf\xe9++]
- test_core_query_delimiters_and_types
- test_errors_malformed_url[http://h/\n]
- test_errors_malformed_url[http://h/\t]
- test_errors_malformed_url[http://h/\x00]
- test_errors_malformed_url[http://h/\x7f]
- test_errors_malformed_url[http://h/a\\b]
- test_errors_malformed_url[http://h/<x>]
- test_errors_malformed_url[http://h/[x]]
- test_errors_malformed_url[http://h/%]
- test_errors_malformed_url[http://h/%2]
- test_errors_malformed_url[http://h/%zz]
- test_errors_malformed_url[http://h/?x=%gg]
- test_errors_malformed_url[http://h/#%xy]
- test_errors_malformed_url[http://u%zz@h/]
- test_errors_malformed_url[http://u@v@h/]
- test_errors_api_types_and_escapes[parse-args4-kwargs4]
- test_errors_api_types_and_escapes[encode-args7-kwargs7]
- test_errors_api_types_and_escapes[encode-args9-kwargs9]
- test_errors_api_types_and_escapes[encode-args10-kwargs10]
- test_errors_api_types_and_escapes[encode-args11-kwargs11]
- test_errors_api_types_and_escapes[decode-args12-kwargs12]
- test_errors_api_types_and_escapes[set_query-args22-kwargs22]
- test_errors_api_types_and_escapes[set_query-args23-kwargs23]
- test_errors_api_types_and_escapes[set_query-args24-kwargs24]
- test_errors_api_types_and_escapes[set_query-args25-kwargs25]
- test_errors_api_types_and_escapes[set_query-args26-kwargs26]
- test_errors_all_input_length_limits
- test_resources_parse_normalize_100000
- test_resources_encode_decode_100000
- test_resources_long_zero_port
AD100-PRJ-43
Nonlinear least-squares solver
3/3 drivers
100.0%
100.0%
7.5
7.50
63.6k
200.8s
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
27.3k
68.7s
AD100-PRJ-45
Arbitrary-precision integer arithmetic
1/3 drivers
33.3%
20.0%
14.5
2.90
70.4k
1202.1s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
AD100-PRJ-47
Recover a hidden phrase from an executable
6/6
100.0%
100.0%
5.5
5.50
557.4k
972.8s
AD100-PRJ-48
Black-box image transformation utility clone
—
—
0.0%
30
0.00
444.4k
779.5s
Challenge
Tests
C++ test drivers: results unavailable or incomplete.
AD100-PRJ-49
Closed-loop differential-drive line follower
13/21
61.9%
40.0%
13.5
5.40
25.5k
71.7s
Challenge
Failed tests
- test_core_hidden_track_completion_and_recovery[1]
- test_core_hidden_track_completion_and_recovery[2]
- test_core_hidden_track_completion_and_recovery[3]
- test_core_hidden_track_completion_and_recovery[4]
- test_core_hidden_track_completion_and_recovery[5]
- test_core_hidden_track_completion_and_recovery[6]
- test_core_hidden_track_completion_and_recovery[8]
- test_core_hidden_track_completion_and_recovery[9]