AD100-ALG-02
Dijkstra shortest paths
2/2 drivers
100.0%
100.0%
3
3.00
8408
43.6s
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
18.1k
75.7s
AD100-ALG-16
RFC-4180 CSV parser from scratch
6/6
100.0%
100.0%
3.5
3.50
27.8k
145.8s
AD100-ALG-19
S-expression reader/writer
4/4
100.0%
100.0%
3.5
3.50
19.1k
89.8s
AD100-ALG-20
word ladder shortest chain
4/4
100.0%
100.0%
3
3.00
16.0k
83.7s
AD100-ALG-22
strongly connected components (Tarjan)
3/3 drivers
100.0%
100.0%
3
3.00
15.5k
79.7s
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
12.7k
67.7s
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
9461
34.7s
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
18.6k
97.8s
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
18.0k
89.7s
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
21.8k
111.8s
Challenge
Failed tests
- test_question_and_classes
AD100-ALG-30
matrix-chain multiplication
5/5
100.0%
100.0%
3
3.00
13.0k
65.7s
AD100-ALG-31
Huffman coding round-trip
4/6
66.7%
50.0%
3
1.50
24.8k
115.8s
Challenge
Failed tests
- test_edge_cases
- test_property_random_roundtrip_and_cost
AD100-ALG-33
big-decimal arithmetic (strings)
4/4 drivers
100.0%
100.0%
3.5
3.50
22.2k
113.8s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-ALG-34
treap: k-th order statistics
2/4 drivers
50.0%
55.0%
4.5
2.48
28.3k
129.8s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
AD100-ALG-35
persistent segment tree (versions + k-th)
4/4 drivers
100.0%
100.0%
3
3.00
22.2k
103.8s
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
13.3k
69.7s
AD100-DBG-12
int overflow in size arithmetic
3/4 drivers
75.0%
40.0%
3.5
1.40
8518
43.6s
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
7844
28.7s
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
4427
25.7s
AD100-DBG-17
wrong exception type on error path
4/4 drivers
100.0%
100.0%
4.5
4.50
21.1k
105.7s
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
22.2k
113.7s
AD100-DBG-20
path traversal + expression injection
50/50
100.0%
100.0%
3
3.00
20.2k
101.7s
AD100-DBG-21
unseeded RNG / wall-clock dependence
19/19
100.0%
100.0%
3
3.00
7888
41.6s
AD100-DBG-23
erase-while-iterating + related bugs
4/4 drivers
100.0%
100.0%
3
3.00
10.7k
55.7s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-DBG-26
snapshot restore service
15/24
62.5%
35.0%
15.5
5.42
38.3k
152.8s
Challenge
Failed tests
- 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
38.3k
175.9s
Challenge
Failed tests
- test_regression_independent_empty_block
AD100-DBG-28
indexed document reader
26/26
100.0%
100.0%
3
3.00
67.6k
334.0s
AD100-DBG-31
stylesheet inspection pipeline
26/33
78.8%
35.0%
22.5
7.87
41.2k
186.8s
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
44.3k
207.9s
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
47.6k
235.8s
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
44.1k
209.8s
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
3064
12.6s
AD100-DBG-37
Which is larger, 9.11 or 9.9?
1/1
100.0%
100.0%
3
3.00
3378
21.6s
AD100-OPT-17
quicksort worst-case pivot
2/2 drivers
100.0%
100.0%
3
3.00
18.3k
76.7s
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
21.7k
101.8s
AD100-PRJ-02
INI config library
2/3 drivers
66.7%
75.0%
3
2.25
22.3k
118.2s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
AD100-PRJ-08
Markdown→HTML subset
25/26
96.2%
70.0%
22
15.40
32.4k
166.3s
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
34.6k
155.8s
AD100-PRJ-10
cron next-fire calculator
21/21
100.0%
100.0%
3.5
3.50
37.1k
152.7s
AD100-PRJ-11
access-log analyzer (stats + filters)
16/16
100.0%
100.0%
3.5
3.50
27.8k
145.8s
AD100-PRJ-12
HTTP/1.1 message parser
2/3 drivers
66.7%
70.0%
5
3.50
56.2k
290.0s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
AD100-PRJ-13
mustache-lite template engine
1/3 drivers
33.3%
35.0%
6.5
2.27
60.2k
277.9s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
AD100-PRJ-14
mini scripting language interpreter
18/21
85.7%
0.0%
10.5
0.00
50.8k
235.9s
Challenge
Failed tests
- test_list_mutation
- test_syntax_errors
- test_lists
AD100-PRJ-15
mini pytest (discovery, fixtures, report)
18/18
100.0%
100.0%
4.5
4.50
30.2k
129.7s
AD100-PRJ-16
Game of Life engine (seeded, census)
8/11
72.7%
70.0%
3.5
2.45
25.8k
131.9s
Challenge
Failed tests
- test_wrap_rule
- test_step_rule_blinker
- test_step_rule_block_still_life
AD100-PRJ-17
LZ77+RLE codec with checksum
1/4 drivers
25.0%
25.0%
4.5
1.12
45.5k
208.9s
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
36.9k
179.8s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-PRJ-19
C++ mini test framework
3/4 drivers
75.0%
80.0%
3.5
2.80
42.0k
203.8s
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
217.4k
792.7s
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
206.0k
684.4s
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
15/18
83.3%
0.0%
11.5
0.00
44.8k
215.9s
Challenge
Failed tests
- test_core_emit_frame_aligned_slices
- test_errors_input_types
- test_resources_many_small_tracks_emit
AD100-PRJ-23
FAT32/VFAT filesystem recovery
10/24
41.7%
0.0%
30
0.00
201.8k
681.5s
Challenge
Failed tests
- test_core_root_and_lfn_across_fragmented_clusters
- test_core_unicode_short_escape_and_full_lfn_parts
- 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_many_files_standalone_and_memory
AD100-PRJ-24
Image similarity and grouping
16/17
94.1%
80.0%
5
4.00
27.3k
137.8s
Challenge
Failed tests
- test_errors_group_validation
AD100-PRJ-25
Binary delta generator and applier
2/3 drivers
66.7%
80.0%
6.5
5.20
38.6k
195.8s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
AD100-PRJ-26
Incremental build tool
36/40
90.0%
0.0%
10
0.00
35.9k
163.8s
Challenge
Failed tests
- test_core_deep_chain_plan
- test_errors_digest_requires_bytes
- test_errors_files_missing_path
- test_resources_deep_chain_plan_and_execute
AD100-PRJ-27
ELF executable inspector
45/79
57.0%
0.0%
21
0.00
67.1k
193.9s
Challenge
Failed tests
- 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-range]
- test_errors_sections[name-end]
- test_errors_sections[name-start]
- test_errors_symbols[stride]
- test_errors_symbols[remainder]
- 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-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
26/29
89.7%
20.0%
9
1.80
24.5k
129.8s
Challenge
Failed tests
- test_core_differential_against_brute_force
- test_core_conflict_with_constraint
- test_errors_requests_structure
AD100-PRJ-29
RAW Bayer development pipeline
2/3 drivers
66.7%
40.0%
7
2.80
36.4k
159.8s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
AD100-PRJ-30
Image registration (translation)
3/3 drivers
100.0%
100.0%
3.5
3.50
25.2k
112.8s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-PRJ-31
Score language to WAV synthesizer
11/12
91.7%
80.0%
28
22.40
25.7k
114.8s
AD100-PRJ-32
Fixed-timestep 2D physics sandbox
12/12
100.0%
100.0%
9.5
9.50
33.6k
134.8s
AD100-PRJ-33
Columnar data compressor
1/3 drivers
33.3%
20.0%
30
6.00
40.8k
201.9s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
AD100-PRJ-34
DTMF decoder
11/13
84.6%
40.0%
18.5
7.40
32.8k
167.8s
Challenge
Failed tests
- test_core_quiet_tone_still_found
- test_core_gap_bridging
AD100-PRJ-35
Mobile-robot path planner
11/12
91.7%
40.0%
9.5
3.80
21.2k
111.7s
Challenge
Failed tests
- test_core_tie_break_deterministic
AD100-PRJ-36
Two-link robot-arm controller
13/14
92.9%
80.0%
23
18.40
36.3k
157.8s
AD100-PRJ-37
Fiducial-marker detector
2/3 drivers
66.7%
80.0%
12.5
10.00
52.3k
255.9s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
AD100-PRJ-38
Multi-object tracker
10/11
90.9%
40.0%
15.5
6.20
25.3k
131.8s
Challenge
Failed tests
- test_core_crossing_identity_swap
AD100-PRJ-39
Parametric audio equalizer
1/3 drivers
33.3%
20.0%
28
5.60
30.8k
152.5s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
AD100-PRJ-40
Barcode scanner (EAN-13)
—
—
0.0%
24
0.00
116.0k
422.1s
Challenge
Tests
C++ test drivers: results unavailable or incomplete.
AD100-PRJ-41
JSONL chat-log to Markdown converter
20/32
62.5%
0.0%
30
0.00
308.7k
896.7s
Challenge
Failed tests
- test_core_unterminated_fence_runs_to_end
- test_core_tool_result_and_empty_text
- test_core_message_default_text
- test_core_one_shot_iterator_input
- test_errors_unknown_type
- test_errors_missing_role
- test_errors_empty_role
- test_errors_tool_call_fields
- test_errors_tool_result_call
- test_errors_text_type
- test_errors_non_string_line
- test_resources_many_records
AD100-PRJ-42
RFC 3986 URL utility
51/129
39.5%
0.0%
30
0.00
168.6k
648.4s
Challenge
Failed tests
- test_core_rfc3986_resolution[g-http://a/b/c/g]
- test_core_rfc3986_resolution[./g-http://a/b/c/g]
- test_core_rfc3986_resolution[g/-http://a/b/c/g/]
- test_core_rfc3986_resolution[?y-http://a/b/c/d;p?y]
- test_core_rfc3986_resolution[#s-http://a/b/c/d;p?q#s]
- test_core_rfc3986_resolution[g?y-http://a/b/c/g?y]
- test_core_rfc3986_resolution[g#s-http://a/b/c/g#s]
- test_core_rfc3986_resolution[g?y#s-http://a/b/c/g?y#s]
- test_core_rfc3986_resolution[;x-http://a/b/c/;x]
- test_core_rfc3986_resolution[g;x-http://a/b/c/g;x]
- test_core_rfc3986_resolution[g;x?y#s-http://a/b/c/g;x?y#s]
- 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[../-http://a/b/]
- test_core_rfc3986_resolution[../g-http://a/b/g]
- test_core_rfc3986_resolution[../..-http://a/]
- test_core_rfc3986_resolution[../../-http://a/]
- test_core_rfc3986_resolution[../../g-http://a/g]
- test_core_rfc3986_resolution[g.-http://a/b/c/g.]
- test_core_rfc3986_resolution[.g-http://a/b/c/.g]
- test_core_rfc3986_resolution[g..-http://a/b/c/g..]
- test_core_rfc3986_resolution[..g-http://a/b/c/..g]
- test_core_rfc3986_resolution[./../g-http://a/b/g]
- test_core_rfc3986_resolution[./g/.-http://a/b/c/g/]
- test_core_rfc3986_resolution[g/./h-http://a/b/c/g/h]
- test_core_rfc3986_resolution[g/../h-http://a/b/c/h]
- test_core_rfc3986_resolution[g;x=1/./y-http://a/b/c/g;x=1/y]
- test_core_rfc3986_resolution[g;x=1/../y-http://a/b/c/y]
- 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_set_query_empty_and_bare
- 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_empty_authority_userinfo_and_scheme
- test_core_decode_maximal_subparts[caf\xe9%2B+-caf\xe9++]
- test_core_query_delimiters_and_types
- 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:65536/]
- test_errors_malformed_url[http://h:\u0661/]
- test_errors_malformed_url[http://[1:2:3]/]
- test_errors_malformed_url[http://[1::2::3]/]
- test_errors_malformed_url[http://[12345::]/]
- test_errors_malformed_url[http://[::1]tail/]
- test_errors_malformed_url[http://::1/]
- test_errors_malformed_url[http://[v1.a]/]
- test_errors_malformed_url[http://[fe80::1%25eth0]/]
- test_errors_malformed_url[http://ex\xe4mple/]
- test_errors_malformed_url[http://%C3%A9/]
- test_errors_malformed_url[http://u@v@h/]
- test_errors_malformed_url[http://h/\ud800]
- test_errors_malformed_url[http://h/a\xa0b]
- test_errors_malformed_url[1http:x]
- test_errors_malformed_url[x]
- test_errors_malformed_url[//h/x]
- test_errors_api_types_and_escapes[parse-args3-kwargs3]
- test_errors_api_types_and_escapes[parse-args4-kwargs4]
- test_errors_api_types_and_escapes[normalize-args5-kwargs5]
- test_errors_api_types_and_escapes[encode-args10-kwargs10]
- test_errors_api_types_and_escapes[encode-args11-kwargs11]
- test_errors_api_types_and_escapes[get_query-args17-kwargs17]
- test_errors_api_types_and_escapes[get_query-args18-kwargs18]
- test_errors_api_types_and_escapes[set_query-args21-kwargs21]
- 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_query_100000
- test_resources_long_zero_port
AD100-PRJ-43
Nonlinear least-squares solver
3/3 drivers
100.0%
100.0%
7.5
7.50
35.3k
177.9s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-PRJ-44
IBAN and credit-card validator
9/9
100.0%
100.0%
6
6.00
29.9k
153.8s
AD100-PRJ-45
Arbitrary-precision integer arithmetic
2/3 drivers
66.7%
40.0%
14.5
5.80
63.5k
285.9s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
AD100-PRJ-47
Recover a hidden phrase from an executable
3/6
50.0%
20.0%
5.5
1.10
73.7k
191.9s
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
55.7k
281.9s
Challenge
Tests
C++ test drivers: results unavailable or incomplete.
AD100-PRJ-49
Closed-loop differential-drive line follower
19/21
90.5%
40.0%
13.5
5.40
21.2k
111.7s
Challenge
Failed tests
- test_core_hidden_track_completion_and_recovery[2]
- test_core_hidden_track_completion_and_recovery[7]