AD100-ALG-02
Dijkstra shortest paths
2/2 drivers
100.0%
100.0%
3
3.00
9799
70.1s
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
62.1k
565.8s
AD100-ALG-16
RFC-4180 CSV parser from scratch
6/6
100.0%
100.0%
3.5
3.50
46.5k
479.6s
AD100-ALG-19
S-expression reader/writer
4/4
100.0%
100.0%
3.5
3.50
13.4k
99.3s
AD100-ALG-20
word ladder shortest chain
4/4
100.0%
100.0%
3
3.00
19.6k
243.7s
AD100-ALG-22
strongly connected components (Tarjan)
3/3 drivers
100.0%
100.0%
3
3.00
11.3k
129.4s
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
9454
84.2s
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
4550
25.0s
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
23.6k
345.1s
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
17.2k
194.6s
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
15.3k
480.6s
AD100-ALG-30
matrix-chain multiplication
5/5
100.0%
100.0%
3
3.00
8238
70.2s
AD100-ALG-31
Huffman coding round-trip
6/6
100.0%
100.0%
3
3.00
12.4k
164.4s
AD100-ALG-33
big-decimal arithmetic (strings)
0/4 drivers
0.0%
0.0%
3.5
0.00
44.2k
482.5s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
- test_basic
- test_edge
- test_property
- test_scale
AD100-ALG-34
treap: k-th order statistics
4/4 drivers
100.0%
100.0%
4.5
4.50
34.6k
480.5s
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
15.7k
166.5s
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
7720
54.7s
AD100-DBG-12
int overflow in size arithmetic
4/4 drivers
100.0%
100.0%
3.5
3.50
7494
53.7s
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
4361
18.6s
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
3400
10.7s
AD100-DBG-17
wrong exception type on error path
3/4 drivers
75.0%
40.0%
4.5
1.80
16.8k
82.7s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
AD100-DBG-19
multiple interacting bug classes
19/19
100.0%
100.0%
3
3.00
4429
22.6s
AD100-DBG-20
path traversal + expression injection
50/50
100.0%
100.0%
3
3.00
12.1k
93.7s
AD100-DBG-21
unseeded RNG / wall-clock dependence
19/19
100.0%
100.0%
3
3.00
6088
45.6s
AD100-DBG-23
erase-while-iterating + related bugs
4/4 drivers
100.0%
100.0%
3
3.00
9773
56.7s
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
30.3k
243.0s
AD100-DBG-27
verified block ingestion
43/44
97.7%
65.0%
10
6.50
31.6k
486.1s
Challenge
Failed tests
- test_regression_independent_empty_block
AD100-DBG-28
indexed document reader
26/26
100.0%
100.0%
3
3.00
47.0k
446.2s
AD100-DBG-31
stylesheet inspection pipeline
26/33
78.8%
35.0%
22.5
7.87
51.2k
465.1s
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
67.7k
614.3s
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
24.9k
721.5s
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
38.1k
316.0s
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
1/1
100.0%
100.0%
4
4.00
3765
18.6s
AD100-DBG-37
Which is larger, 9.11 or 9.9?
1/1
100.0%
100.0%
3
3.00
2924
23.6s
AD100-OPT-17
quicksort worst-case pivot
2/2 drivers
100.0%
100.0%
3
3.00
40.8k
334.1s
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
11.4k
85.2s
AD100-PRJ-02
INI config library
3/3 drivers
100.0%
100.0%
3
3.00
18.8k
144.4s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-PRJ-08
Markdown→HTML subset
24/26
92.3%
30.0%
22
6.60
29.6k
262.8s
Challenge
Failed tests
- test_inline_code_bold_italic
- test_unmatched_markers_stay_literal
AD100-PRJ-09
KV store: TTL + LRU + snapshot
23/23
100.0%
100.0%
4.5
4.50
24.8k
204.8s
AD100-PRJ-10
cron next-fire calculator
21/21
100.0%
100.0%
3.5
3.50
31.2k
262.9s
AD100-PRJ-11
access-log analyzer (stats + filters)
16/16
100.0%
100.0%
3.5
3.50
20.2k
170.6s
AD100-PRJ-12
HTTP/1.1 message parser
3/3 drivers
100.0%
100.0%
5
5.00
52.8k
480.8s
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
37.9k
482.3s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-PRJ-14
mini scripting language interpreter
5/21
23.8%
0.0%
10.5
0.00
51.4k
481.3s
Challenge
Failed tests
- test_if_elif_else
- test_while_loops
- test_nested_while
- test_functions_and_recursion
- test_scoping
- test_list_mutation
- test_syntax_errors
- test_runtime_errors
- test_call_depth
- test_partial_output_kept
- 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
28.4k
251.9s
AD100-PRJ-16
Game of Life engine (seeded, census)
11/11
100.0%
100.0%
3.5
3.50
71.4k
481.2s
AD100-PRJ-17
LZ77+RLE codec with checksum
4/4 drivers
100.0%
100.0%
4.5
4.50
34.0k
481.2s
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
22.2k
481.5s
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
16.5k
117.7s
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
37.4k
343.0s
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
170.8k
1200.1s
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
18/18
100.0%
100.0%
11.5
11.50
124.5k
772.5s
AD100-PRJ-23
FAT32/VFAT filesystem recovery
0/24
0.0%
0.0%
30
0.00
79.4k
1200.2s
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
45.8k
436.1s
AD100-PRJ-25
Binary delta generator and applier
0/3 drivers
0.0%
0.0%
6.5
0.00
37.2k
383.1s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
- test_core
- test_errors
- test_resources
AD100-PRJ-26
Incremental build tool
40/40
100.0%
100.0%
10
10.00
32.5k
1200.2s
AD100-PRJ-27
ELF executable inspector
0/79
0.0%
0.0%
21
0.00
252.3k
1202.2s
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
29/29
100.0%
100.0%
9
9.00
64.4k
596.4s
AD100-PRJ-29
RAW Bayer development pipeline
2/3 drivers
66.7%
40.0%
7
2.80
54.0k
831.7s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
AD100-PRJ-30
Image registration (translation)
2/3 drivers
66.7%
40.0%
3.5
1.40
38.7k
1200.1s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
AD100-PRJ-31
Score language to WAV synthesizer
8/12
66.7%
20.0%
28
5.60
122.8k
1202.1s
Challenge
Failed tests
- test_core_reference_match
- test_core_voice_continuation
- test_resources_long_score
- test_resources_many_voices
AD100-PRJ-32
Fixed-timestep 2D physics sandbox
10/12
83.3%
20.0%
9.5
1.90
34.0k
257.9s
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
143.7k
952.8s
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
37.0k
365.1s
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
25.2k
215.8s
AD100-PRJ-36
Two-link robot-arm controller
11/14
78.6%
20.0%
23
4.60
46.6k
374.1s
Challenge
Failed tests
- test_core_two_elbow_solutions
- test_core_selection_nearest_current
- test_errors_configs
AD100-PRJ-37
Fiducial-marker detector
2/3 drivers
66.7%
80.0%
12.5
10.00
75.7k
1202.1s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
AD100-PRJ-38
Multi-object tracker
0/11
0.0%
0.0%
15.5
0.00
37.2k
373.1s
Challenge
Failed tests
- test_core_gap_then_reappear
- test_core_gap_within_max_misses
- test_core_gating_creates_new_track
- test_core_spurious_detection_short_track
- test_core_crossing_identity_swap
- test_core_max_misses_zero
- test_core_greedy_prefers_global_order
- test_core_random_consistency
- test_errors_frames
- test_errors_params
- test_resources_many_frames
AD100-PRJ-39
Parametric audio equalizer
1/3 drivers
33.3%
20.0%
28
5.60
65.9k
480.2s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
AD100-PRJ-40
Barcode scanner (EAN-13)
3/3 drivers
100.0%
100.0%
24
24.00
69.2k
1202.2s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
AD100-PRJ-41
JSONL chat-log to Markdown converter
26/32
81.2%
20.0%
30
6.00
73.3k
529.3s
Challenge
Failed tests
- test_core_unterminated_fence_runs_to_end
- test_core_tool_result_and_empty_text
- test_core_message_default_text
- test_errors_blank_line
- test_errors_unknown_type
- test_errors_empty_role
AD100-PRJ-42
RFC 3986 URL utility
0/129
0.0%
0.0%
30
0.00
160.8k
1202.0s
AD100-PRJ-43
Nonlinear least-squares solver
1/3 drivers
33.3%
20.0%
7.5
1.50
167.0k
1202.1s
Challenge
Tests
C++ test drivers (one per hidden .cpp file).
Failed tests
AD100-PRJ-44
IBAN and credit-card validator
7/9
77.8%
40.0%
6
2.40
58.2k
407.1s
Challenge
Failed tests
- test_core_all_countries
- test_core_luhn_reference
AD100-PRJ-45
Arbitrary-precision integer arithmetic
1/3 drivers
33.3%
20.0%
14.5
2.90
79.8k
1200.2s
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
17.3k
83.7s
AD100-PRJ-48
Black-box image transformation utility clone
—
—
0.0%
30
0.00
205.6k
1202.1s
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
60.2k
533.2s
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