AD100-ALG-02
Dijkstra shortest paths
2/2 drivers
100.0%
100.0%
3
3.00
4437
29.7s
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
19.9k
109.8s
AD100-ALG-16
RFC-4180 CSV parser from scratch
6/6
100.0%
100.0%
3.5
3.50
14.6k
87.8s
AD100-ALG-19
S-expression reader/writer
4/4
100.0%
100.0%
3.5
3.50
21.9k
109.7s
AD100-ALG-20
word ladder shortest chain
4/4
100.0%
100.0%
3
3.00
3857
12.7s
AD100-ALG-22
strongly connected components (Tarjan)
3/3 drivers
100.0%
100.0%
3
3.00
14.9k
93.7s
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
3166
8.6s
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
5571
35.7s
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
6051
39.7s
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
9974
53.6s
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
17.8k
111.7s
AD100-ALG-30
matrix-chain multiplication
5/5
100.0%
100.0%
3
3.00
7192
45.7s
AD100-ALG-31
Huffman coding round-trip
6/6
100.0%
100.0%
3
3.00
19.1k
101.7s
AD100-ALG-33
big-decimal arithmetic (strings)
4/4 drivers
100.0%
100.0%
3.5
3.50
41.1k
269.9s
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
68.0k
414.1s
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
14.6k
87.7s
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
3901
12.6s
AD100-DBG-12
int overflow in size arithmetic
3/4 drivers
75.0%
40.0%
3.5
1.40
4551
29.7s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
AD100-DBG-13
size_t underflow on singleton/empty
1/4 drivers
25.0%
0.0%
7.5
0.00
7714
49.6s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
- test_bugs
- test_bugs_public
- test_regression
AD100-DBG-15
hash-order nondeterminism
12/12
100.0%
100.0%
3
3.00
2946
21.6s
AD100-DBG-17
wrong exception type on error path
4/4 drivers
100.0%
100.0%
4.5
4.50
4911
18.6s
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
4158
27.7s
AD100-DBG-20
path traversal + expression injection
50/50
100.0%
100.0%
3
3.00
8993
55.7s
AD100-DBG-21
unseeded RNG / wall-clock dependence
19/19
100.0%
100.0%
3
3.00
4442
29.7s
AD100-DBG-23
erase-while-iterating + related bugs
4/4 drivers
100.0%
100.0%
3
3.00
5671
33.6s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-DBG-26
snapshot restore service
14/24
58.3%
0.0%
15.5
0.00
48.5k
261.9s
Challenge
Failed tests
- test_regression_selection_budget_and_mode
- test_security_existing_links[1]
- test_security_existing_links[2]
- test_security_existing_links[5]
- test_security_link_target_resolution[False]
- test_security_link_target_resolution[True]
- test_security_root_prefix
- test_security_parent_after_symlink[bridge/../secret]
- test_security_parent_after_symlink[/r/bridge/../secret]
- test_security_file_overwrite_through_link
AD100-DBG-27
verified block ingestion
43/44
97.7%
65.0%
10
6.50
56.9k
245.8s
Challenge
Failed tests
- test_regression_independent_empty_block
AD100-DBG-28
indexed document reader
26/26
100.0%
100.0%
3
3.00
44.6k
259.9s
AD100-DBG-31
stylesheet inspection pipeline
25/33
75.8%
0.0%
22.5
0.00
76.8k
378.1s
Challenge
Failed tests
- test_regression_quoted_url_token_sequence
- 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
71.1k
393.1s
Challenge
Failed tests
- test_security_long_unassigned_parameter
- test_security_large_malformed_then_valid
AD100-DBG-34
URL text and form gateway
29/29
100.0%
100.0%
6
6.00
166.1k
676.5s
AD100-DBG-35
schema identifier registry
15/24
62.5%
0.0%
10.5
0.00
44.0k
231.9s
Challenge
Failed tests
- test_known_oid
- test_regression_random_reference
- test_regression_malformed_wire[\x80\x00]
- test_regression_malformed_wire[\x81]
- test_security_invalid_arcs[3.2.840]
- 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
1/1
100.0%
100.0%
4
4.00
3030
8.6s
AD100-DBG-37
Which is larger, 9.11 or 9.9?
1/1
100.0%
100.0%
3
3.00
2390
4.6s
AD100-OPT-17
quicksort worst-case pivot
2/2 drivers
100.0%
100.0%
3
3.00
7451
28.6s
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
19.7k
113.7s
AD100-PRJ-02
INI config library
3/3 drivers
100.0%
100.0%
3
3.00
10.4k
63.8s
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
41.9k
238.8s
Challenge
Failed tests
- test_unmatched_markers_stay_literal
AD100-PRJ-09
KV store: TTL + LRU + snapshot
23/23
100.0%
100.0%
4.5
4.50
41.7k
243.9s
AD100-PRJ-10
cron next-fire calculator
21/21
100.0%
100.0%
3.5
3.50
40.9k
161.7s
AD100-PRJ-11
access-log analyzer (stats + filters)
16/16
100.0%
100.0%
3.5
3.50
29.4k
165.8s
AD100-PRJ-12
HTTP/1.1 message parser
3/3 drivers
100.0%
100.0%
5
5.00
30.6k
193.8s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-PRJ-13
mustache-lite template engine
1/3 drivers
33.3%
35.0%
6.5
2.27
71.0k
481.2s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
AD100-PRJ-14
mini scripting language interpreter
21/21
100.0%
100.0%
10.5
10.50
73.5k
462.2s
AD100-PRJ-15
mini pytest (discovery, fixtures, report)
18/18
100.0%
100.0%
4.5
4.50
25.6k
141.8s
AD100-PRJ-16
Game of Life engine (seeded, census)
11/11
100.0%
100.0%
3.5
3.50
18.2k
95.6s
AD100-PRJ-17
LZ77+RLE codec with checksum
4/4 drivers
100.0%
100.0%
4.5
4.50
26.6k
151.8s
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
25.3k
145.8s
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
16.6k
97.7s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-PRJ-20
SQL subset engine (DDL/DML/SELECT/JOIN)
—
—
0.0%
15.5
0.00
242.6k
1202.1s
Challenge
Tests
C++ test drivers: unavailable because the build failed or timed out; tests did not run.
AD100-PRJ-21
Indexed archive utility
3/8 drivers
37.5%
0.0%
30
0.00
246.7k
1202.1s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
- test_core_metadata
- test_errors
- test_errors_structure
- test_resources
- test_resources_indexed
AD100-PRJ-22
Silence-aware MP3 splitter
18/18
100.0%
100.0%
11.5
11.50
56.6k
338.0s
AD100-PRJ-23
FAT32/VFAT filesystem recovery
0/24
0.0%
0.0%
30
0.00
235.0k
1201.4s
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
36.7k
204.5s
AD100-PRJ-25
Binary delta generator and applier
3/3 drivers
100.0%
100.0%
6.5
6.50
133.5k
589.6s
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
54.2k
331.6s
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
256.4k
1200.2s
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
28/29
96.5%
80.0%
9
7.20
37.4k
217.9s
Challenge
Failed tests
- test_errors_requests_structure
AD100-PRJ-29
RAW Bayer development pipeline
3/3 drivers
100.0%
100.0%
7
7.00
79.1k
1200.0s
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
34.7k
197.2s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-PRJ-31
Score language to WAV synthesizer
11/12
91.7%
40.0%
28
11.20
44.7k
259.9s
Challenge
Failed tests
- test_core_voice_continuation
AD100-PRJ-32
Fixed-timestep 2D physics sandbox
10/12
83.3%
20.0%
9.5
1.90
32.4k
178.8s
Challenge
Failed tests
- test_core_bounds_reflection
- test_resources_many_bodies
AD100-PRJ-33
Columnar data compressor
1/3 drivers
33.3%
20.0%
30
6.00
146.0k
796.5s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
AD100-PRJ-34
DTMF decoder
13/13
100.0%
100.0%
18.5
18.50
123.4k
574.3s
AD100-PRJ-35
Mobile-robot path planner
10/12
83.3%
20.0%
9.5
1.90
23.5k
135.8s
Challenge
Failed tests
- test_core_tie_break_deterministic
- test_errors_start_goal
AD100-PRJ-36
Two-link robot-arm controller
13/14
92.9%
80.0%
23
18.40
39.2k
235.9s
AD100-PRJ-37
Fiducial-marker detector
3/3 drivers
100.0%
100.0%
12.5
12.50
160.3k
776.5s
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
146.3k
958.8s
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
115.4k
578.3s
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
225.9k
944.8s
Challenge
Tests
C++ test drivers: results unavailable or incomplete.
AD100-PRJ-41
JSONL chat-log to Markdown converter
19/32
59.4%
0.0%
30
0.00
303.8k
1200.1s
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_multiple_blocks_and_internal_blank_lines
- test_core_wrapping_matches_reference_on_fuzz
- test_errors_unknown_type
- test_errors_tool_call_fields
- test_errors_text_type
- test_resources_large_single_paragraph_wrap_is_linear
AD100-PRJ-42
RFC 3986 URL utility
121/129
93.8%
0.0%
30
0.00
216.0k
853.6s
Challenge
Failed tests
- 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_errors_malformed_url[http://h/\x7f]
- test_errors_malformed_url[http://%C3%A9/]
- test_errors_malformed_url[http://h/\ud800]
- test_errors_malformed_url[http://h/a\xa0b]
- test_errors_all_input_length_limits
- test_resources_long_zero_port
AD100-PRJ-43
Nonlinear least-squares solver
3/3 drivers
100.0%
100.0%
7.5
7.50
80.1k
500.2s
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
29.7k
179.8s
AD100-PRJ-45
Arbitrary-precision integer arithmetic
3/3 drivers
100.0%
100.0%
14.5
14.50
78.5k
526.3s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-PRJ-47
Recover a hidden phrase from an executable
3/6
50.0%
20.0%
5.5
1.10
302.9k
868.9s
Challenge
Failed tests
- test_core_exact_phrase
- test_core_exact_length
- test_resources_standalone_bytes
AD100-PRJ-48
Black-box image transformation utility clone
—
—
0.0%
30
0.00
389.4k
1202.0s
Challenge
Tests
C++ test drivers: results unavailable or incomplete.
AD100-PRJ-49
Closed-loop differential-drive line follower
10/21
47.6%
20.0%
13.5
2.70
324.5k
1200.8s
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[7]
- test_core_hidden_track_completion_and_recovery[8]
- test_core_hidden_track_completion_and_recovery[9]
- test_resources_deterministic_replay
- test_resources_long_route_with_bounded_worker