AD100-ALG-02
Dijkstra shortest paths
2/2 drivers
100.0%
100.0%
3
3.00
8316
58.7s
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
19.0k
123.8s
AD100-ALG-16
RFC-4180 CSV parser from scratch
6/6
100.0%
100.0%
3.5
3.50
12.9k
84.7s
AD100-ALG-19
S-expression reader/writer
4/4
100.0%
100.0%
3.5
3.50
14.7k
110.8s
AD100-ALG-20
word ladder shortest chain
4/4
100.0%
100.0%
3
3.00
13.4k
123.7s
AD100-ALG-22
strongly connected components (Tarjan)
3/3 drivers
100.0%
100.0%
3
3.00
8719
77.7s
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
7800
71.7s
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
8464
77.7s
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
9093
79.7s
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
10.2k
95.7s
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
14.9k
100.7s
Challenge
Failed tests
- test_question_and_classes
AD100-ALG-30
matrix-chain multiplication
5/5
100.0%
100.0%
3
3.00
10.5k
74.7s
AD100-ALG-31
Huffman coding round-trip
6/6
100.0%
100.0%
3
3.00
10.5k
87.7s
AD100-ALG-33
big-decimal arithmetic (strings)
4/4 drivers
100.0%
100.0%
3.5
3.50
14.1k
113.8s
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
10.8k
91.7s
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
12.2k
78.7s
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
5438
49.7s
AD100-DBG-12
int overflow in size arithmetic
4/4 drivers
100.0%
100.0%
3.5
3.50
10.8k
82.6s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-DBG-13
size_t underflow on singleton/empty
1/4 drivers
25.0%
0.0%
7.5
0.00
6867
65.6s
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
3778
37.6s
AD100-DBG-17
wrong exception type on error path
4/4 drivers
100.0%
100.0%
4.5
4.50
8818
81.7s
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
7526
56.7s
AD100-DBG-20
path traversal + expression injection
50/50
100.0%
100.0%
3
3.00
9591
77.7s
AD100-DBG-21
unseeded RNG / wall-clock dependence
19/19
100.0%
100.0%
3
3.00
7703
71.7s
AD100-DBG-23
erase-while-iterating + related bugs
4/4 drivers
100.0%
100.0%
3
3.00
5789
51.7s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-DBG-26
snapshot restore service
20/24
83.3%
35.0%
15.5
5.42
17.7k
147.7s
Challenge
Failed tests
- test_security_link_target_resolution[False]
- test_security_link_target_resolution[True]
- test_security_parent_after_symlink[bridge/../secret]
- test_security_parent_after_symlink[/r/bridge/../secret]
AD100-DBG-27
verified block ingestion
44/44
100.0%
100.0%
10
10.00
19.3k
141.8s
AD100-DBG-28
indexed document reader
26/26
100.0%
100.0%
3
3.00
25.7k
218.0s
AD100-DBG-31
stylesheet inspection pipeline
25/33
75.8%
0.0%
22.5
0.00
24.0k
203.8s
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
16/19
84.2%
0.0%
13
0.00
23.7k
189.8s
Challenge
Failed tests
- test_regression_batch_atomic
- 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
22.3k
187.8s
AD100-DBG-35
schema identifier registry
19/24
79.2%
0.0%
10.5
0.00
18.5k
140.8s
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
1/1
100.0%
100.0%
4
4.00
3231
31.7s
AD100-DBG-37
Which is larger, 9.11 or 9.9?
1/1
100.0%
100.0%
3
3.00
2492
25.7s
AD100-OPT-17
quicksort worst-case pivot
2/2 drivers
100.0%
100.0%
3
3.00
7350
85.7s
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
13.8k
121.8s
AD100-PRJ-02
INI config library
3/3 drivers
100.0%
100.0%
3
3.00
9865
85.7s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-PRJ-08
Markdown→HTML subset
24/26
92.3%
70.0%
22
15.40
32.2k
252.9s
Challenge
Failed tests
- test_empty_input_gives_empty_output
- test_only_blank_lines
AD100-PRJ-09
KV store: TTL + LRU + snapshot
21/23
91.3%
80.0%
4.5
3.60
15.3k
127.8s
Challenge
Failed tests
- test_corrupt_store
- test_corrupt_beats_command_but_not_usage
AD100-PRJ-10
cron next-fire calculator
21/21
100.0%
100.0%
3.5
3.50
17.7k
137.8s
AD100-PRJ-11
access-log analyzer (stats + filters)
16/16
100.0%
100.0%
3.5
3.50
14.6k
108.7s
AD100-PRJ-12
HTTP/1.1 message parser
1/3 drivers
33.3%
30.0%
5
1.50
29.3k
176.8s
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
18.2k
155.8s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
AD100-PRJ-14
mini scripting language interpreter
13/21
61.9%
0.0%
10.5
0.00
36.7k
261.9s
Challenge
Failed tests
- test_while_loops
- test_functions_and_recursion
- test_scoping
- test_list_mutation
- test_single_line_blocks
- test_syntax_errors
- test_runtime_errors
- test_lists
AD100-PRJ-15
mini pytest (discovery, fixtures, report)
17/18
94.4%
60.0%
4.5
2.70
17.7k
130.8s
Challenge
Failed tests
- test_fixture_assertion_is_error_not_fail
AD100-PRJ-16
Game of Life engine (seeded, census)
11/11
100.0%
100.0%
3.5
3.50
15.6k
117.7s
AD100-PRJ-17
LZ77+RLE codec with checksum
4/4 drivers
100.0%
100.0%
4.5
4.50
31.3k
221.9s
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
11.2k
93.7s
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
21.3k
177.8s
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
46.1k
450.2s
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
67.0k
506.2s
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%
20.0%
11.5
2.30
26.9k
219.8s
Challenge
Failed tests
- test_core_mixed_bitrate_padding_and_modes
- test_errors_input_types
- test_errors_plan_argument_validation
AD100-PRJ-23
FAT32/VFAT filesystem recovery
2/24
8.3%
0.0%
30
0.00
81.2k
726.4s
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_reserved_high_bits_and_inactive_fat
- 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
16/17
94.1%
80.0%
5
4.00
14.1k
96.7s
Challenge
Failed tests
- test_errors_group_validation
AD100-PRJ-25
Binary delta generator and applier
3/3 drivers
100.0%
100.0%
6.5
6.50
27.9k
117.8s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-PRJ-26
Incremental build tool
39/40
97.5%
80.0%
10
8.00
20.3k
131.8s
Challenge
Failed tests
- test_errors_files_missing_path
AD100-PRJ-27
ELF executable inspector
27/79
34.2%
0.0%
21
0.00
154.2k
576.3s
Challenge
Failed tests
- test_core_reports[raw-symbols]
- test_core_reports[multiple-symbols]
- test_core_reports[rel-symbols]
- test_core_reports[rel-relocations]
- test_core_reports[shared-symbols]
- 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_no_tables
- test_core_numeric_metadata_and_reserved_symbols
- 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-empty-symbol-names]
- test_core_review_valid_inputs[relocations-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-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-wrong-type]
- test_resources_light_envelope[symbols]
- test_resources_untrusted_sizes
AD100-PRJ-28
Dependency-aware package resolver
27/29
93.1%
80.0%
9
7.20
13.6k
110.8s
Challenge
Failed tests
- test_errors_non_string_version
- test_errors_catalog_structure
AD100-PRJ-29
RAW Bayer development pipeline
2/3 drivers
66.7%
40.0%
7
2.80
19.8k
127.7s
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
14.4k
143.8s
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
20.1k
195.9s
Challenge
Failed tests
- test_core_voice_continuation
- test_errors_input_type
AD100-PRJ-32
Fixed-timestep 2D physics sandbox
11/12
91.7%
80.0%
9.5
7.60
19.0k
237.9s
Challenge
Failed tests
- test_errors_steps_and_bounds
AD100-PRJ-33
Columnar data compressor
1/3 drivers
33.3%
20.0%
30
6.00
51.2k
342.0s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
AD100-PRJ-34
DTMF decoder
12/13
92.3%
40.0%
18.5
7.40
18.8k
165.7s
Challenge
Failed tests
- test_core_quiet_tone_still_found
AD100-PRJ-35
Mobile-robot path planner
11/12
91.7%
40.0%
9.5
3.80
12.4k
84.7s
Challenge
Failed tests
- test_core_tie_break_deterministic
AD100-PRJ-36
Two-link robot-arm controller
12/14
85.7%
20.0%
23
4.60
19.2k
128.8s
Challenge
Failed tests
- test_core_collision_endpoint_and_distance
- test_errors_configs
AD100-PRJ-37
Fiducial-marker detector
2/3 drivers
66.7%
80.0%
12.5
10.00
36.5k
325.0s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
AD100-PRJ-38
Multi-object tracker
11/11
100.0%
100.0%
15.5
15.50
13.9k
149.7s
AD100-PRJ-39
Parametric audio equalizer
1/3 drivers
33.3%
20.0%
28
5.60
20.1k
189.8s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
AD100-PRJ-40
Barcode scanner (EAN-13)
—
—
0.0%
24
0.00
32.9k
208.9s
Challenge
Tests
C++ test drivers: results unavailable or incomplete.
AD100-PRJ-41
JSONL chat-log to Markdown converter
23/32
71.9%
20.0%
30
6.00
47.5k
275.9s
Challenge
Failed tests
- test_core_unterminated_fence_runs_to_end
- test_core_tool_result_and_empty_text
- test_core_note_empty_text_is_prefix_only
- test_errors_unknown_type
- test_errors_empty_role
- test_errors_tool_call_fields
- test_errors_tool_result_call
- test_errors_text_type
- test_errors_non_string_line
AD100-PRJ-42
RFC 3986 URL utility
75/129
58.1%
0.0%
30
0.00
61.1k
394.1s
Challenge
Failed tests
- test_core_rfc3986_resolution[#s-http://a/b/c/d;p?q#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[/./g-http://a/g]
- test_core_rfc3986_resolution[/../g-http://a/g]
- test_core_rfc3986_resolution[./g/.-http://a/b/c/g/]
- 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_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://h%zz/]
- test_errors_malformed_url[http://h:65536/]
- test_errors_malformed_url[http://h:-1/]
- test_errors_malformed_url[http://h:8a/]
- test_errors_malformed_url[http://h:\u0661/]
- test_errors_malformed_url[http://[::1/]
- 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://%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[decode-args15-kwargs15]
- test_errors_api_types_and_escapes[get_query-args17-kwargs17]
- test_errors_api_types_and_escapes[get_query-args18-kwargs18]
- test_errors_all_input_length_limits
- test_resources_parse_normalize_100000
- test_resources_long_zero_port
AD100-PRJ-43
Nonlinear least-squares solver
2/3 drivers
66.7%
40.0%
7.5
3.00
24.0k
163.8s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
AD100-PRJ-44
IBAN and credit-card validator
9/9
100.0%
100.0%
6
6.00
14.2k
119.8s
AD100-PRJ-45
Arbitrary-precision integer arithmetic
3/3 drivers
100.0%
100.0%
14.5
14.50
35.5k
265.0s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-PRJ-47
Recover a hidden phrase from an executable
6/6
100.0%
100.0%
5.5
5.50
41.2k
171.8s
AD100-PRJ-48
Black-box image transformation utility clone
—
—
0.0%
30
0.00
30.5k
238.9s
Challenge
Tests
C++ test drivers: results unavailable or incomplete.
AD100-PRJ-49
Closed-loop differential-drive line follower
12/21
57.1%
40.0%
13.5
5.40
13.6k
109.7s
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[7]
- test_core_hidden_track_completion_and_recovery[8]
- test_core_hidden_track_completion_and_recovery[9]