id
string
codebase
string
language
string
domain
string
task_type
string
instruction_language
string
difficulty
int64
split
string
files_touched
list
oracle_steps
int64
n_attacks
int64
n_files
int64
toolchains
list
path
string
search
bool
c-arena-alloc--align-allocations
c-arena-alloc
c
memory arena allocator
fix_bug
en
2
new_train
[ "src/arena.c" ]
1
1
5
[ "cc", "make" ]
tasks/c-arena-alloc--align-allocations
false
c-arg-tokenizer--backslash-escape
c-arg-tokenizer
c
shell-like argument splitting
fix_bug
en
2
new_train
[ "src/tok.c" ]
1
1
5
[ "cc", "make" ]
tasks/c-arg-tokenizer--backslash-escape
false
c-arg-tokenizer--test-quotes
c-arg-tokenizer
c
shell-like argument splitting
add_test
en
2
new_train
[ "tests/test_main.c" ]
1
1
5
[ "cc", "make" ]
tasks/c-arg-tokenizer--test-quotes
false
c-audio-plugins--answer-max-chain
c-audio-plugins
c
audio filter plugins
search_answer
en
1
new_train
[ "answer.txt" ]
1
2
13
[ "cc", "make" ]
tasks/c-audio-plugins--answer-max-chain
true
c-audio-plugins--negative-clipping
c-audio-plugins
c
audio filter plugins
locate_fix
de
2
new_train
[ "src/plugins/gain.c" ]
1
2
13
[ "cc", "make" ]
tasks/c-audio-plugins--negative-clipping
true
c-base64--encode-padding
c-base64
c
base64 encoding
fix_bug
en
1
new_train
[ "src/b64.c" ]
1
1
5
[ "cc", "make" ]
tasks/c-base64--encode-padding
false
c-base64--implement-decode
c-base64
c
base64 encoding
implement_stub
en
2
new_train
[ "src/b64.c" ]
1
2
5
[ "cc", "make" ]
tasks/c-base64--implement-decode
false
c-bitset--implement-bitset
c-bitset
c
bit manipulation
implement_stub
de
2
train
[ "src/bitset.c" ]
1
2
5
[ "cc", "make" ]
tasks/c-bitset--implement-bitset
null
c-bloom-filter--probe-range
c-bloom-filter
c
Bloom filter
fix_bug
en
1
new_train
[ "src/bloom.c" ]
1
1
5
[ "cc", "make" ]
tasks/c-bloom-filter--probe-range
false
c-config-kv--remove-legacy-lookup
c-config-kv
c
configuration files (C)
remove_dead_code
de
1
test_ood
[ "src/config.c" ]
1
2
5
[ "cc", "make" ]
tasks/c-config-kv--remove-legacy-lookup
null
c-config-kv--windows-line-ends
c-config-kv
c
configuration files (C)
fix_bug
en
1
test_ood
[ "src/config.c" ]
1
1
5
[ "cc", "make" ]
tasks/c-config-kv--windows-line-ends
null
c-conv-cli--precision-flag
c-conv-cli
c
unit converter CLI
add_cli_flag
es
2
new_train
[ "conv.c" ]
1
2
2
[ "cc", "make" ]
tasks/c-conv-cli--precision-flag
false
c-crc32--implement-crc32
c-crc32
c
file checksums (CRC-32)
implement_stub
en
2
new_train
[ "src/crc32.c" ]
1
2
5
[ "cc", "make" ]
tasks/c-crc32--implement-crc32
false
c-csv-colsum--cannot-open
c-csv-colsum
c
CSV processing
handle_missing_file
en
1
train
[ "src/main.c" ]
1
2
5
[ "cc", "make" ]
tasks/c-csv-colsum--cannot-open
null
c-csv-colsum--fix-makefile-link
c-csv-colsum
c
CSV processing
fix_build
es
1
train
[ "Makefile" ]
1
2
5
[ "cc", "make" ]
tasks/c-csv-colsum--fix-makefile-link
null
c-date-utils--february-in-leap-years
c-date-utils
c
calendar dates
edge_case
en
1
train
[ "src/dates.c" ]
1
2
6
[ "cc", "make" ]
tasks/c-date-utils--february-in-leap-years
null
c-date-utils--rename-is-leap
c-date-utils
c
calendar dates
rename_symbol
en
2
train
[ "src/dates.c", "src/dates.h" ]
4
2
6
[ "cc", "make" ]
tasks/c-date-utils--rename-is-leap
null
c-edit-distance--first-column
c-edit-distance
c
spelling suggestions (edit distance)
fix_bug
fr
1
new_train
[ "src/lev.c" ]
1
1
8
[ "cc", "make" ]
tasks/c-edit-distance--first-column
false
c-edit-distance--test-suggest
c-edit-distance
c
spelling suggestions (edit distance)
add_test
en
2
new_train
[ "tests/test_main.c" ]
1
1
8
[ "cc", "make" ]
tasks/c-edit-distance--test-suggest
false
c-hash-table--answer-longest-chain
c-hash-table
c
hash tables
read_answer
en
2
train
[ "answer.txt" ]
1
2
6
[ "cc", "make" ]
tasks/c-hash-table--answer-longest-chain
null
c-hash-table--chain-lookup
c-hash-table
c
hash tables
fix_bug
it
2
train
[ "src/table.c" ]
1
2
6
[ "cc", "make" ]
tasks/c-hash-table--chain-lookup
null
c-histogram--empty-input
c-histogram
c
terminal bar charts
edge_case
en
1
new_train
[ "histo.c" ]
1
1
2
[ "cc", "make" ]
tasks/c-histogram--empty-input
false
c-histogram--width-flag
c-histogram
c
terminal bar charts
add_cli_flag
de
2
new_train
[ "histo.c" ]
1
2
2
[ "cc", "make" ]
tasks/c-histogram--width-flag
false
c-ipv4-parse--format-order
c-ipv4-parse
c
IPv4 address parsing
fix_bug
en
1
new_train
[ "src/ipv4.c" ]
1
1
5
[ "cc", "make" ]
tasks/c-ipv4-parse--format-order
false
c-ipv4-parse--strict-parse
c-ipv4-parse
c
IPv4 address parsing
add_validation
fr
2
new_train
[ "src/ipv4.c" ]
1
2
5
[ "cc", "make" ]
tasks/c-ipv4-parse--strict-parse
false
c-iso-week--from-iso-week
c-iso-week
c
ISO-8601 week numbers
add_feature
es
2
new_train
[ "src/isoweek.c", "src/isoweek.h" ]
2
2
5
[ "cc", "make" ]
tasks/c-iso-week--from-iso-week
false
c-iso-week--last-days-of-year
c-iso-week
c
ISO-8601 week numbers
fix_bug
en
2
new_train
[ "src/isoweek.c" ]
1
1
5
[ "cc", "make" ]
tasks/c-iso-week--last-days-of-year
false
c-job-heap--sift-smaller-child
c-job-heap
c
priority job queue
fix_bug
en
2
new_test
[ "src/heap.c" ]
1
1
5
[ "cc", "make" ]
tasks/c-job-heap--sift-smaller-child
false
c-led-scroller--digit-glyphs
c-led-scroller
c
LED matrix clock firmware
locate_fix
it
2
new_train
[ "src/font.c" ]
1
2
11
[ "cc", "make" ]
tasks/c-led-scroller--digit-glyphs
true
c-led-scroller--slower-scroll
c-led-scroller
c
LED matrix clock firmware
find_and_change
en
1
new_train
[ "src/config.h" ]
1
2
11
[ "cc", "make" ]
tasks/c-led-scroller--slower-scroll
true
c-luhn--implement-luhn
c-luhn
c
card number checksums
implement_stub
en
2
train
[ "src/luhn.c" ]
1
2
5
[ "cc", "make" ]
tasks/c-luhn--implement-luhn
null
c-luhn--test-luhn-edges
c-luhn
c
card number checksums
add_test
fr
2
train
[ "tests/test_main.c" ]
1
1
5
[ "cc", "make" ]
tasks/c-luhn--test-luhn-edges
null
c-matrix--fix-det-sign
c-matrix
c
linear algebra
fix_bug
fr
2
train
[ "src/matrix.c" ]
1
2
5
[ "cc", "make" ]
tasks/c-matrix--fix-det-sign
null
c-matrix--fix-missing-header
c-matrix
c
linear algebra
fix_build
en
1
train
[ "src/matrix.c" ]
1
1
5
[ "cc", "make" ]
tasks/c-matrix--fix-missing-header
null
c-moving-average--implement-push
c-moving-average
c
sensor smoothing (moving average)
implement_stub
it
2
new_train
[ "src/avg.c" ]
1
2
5
[ "cc", "make" ]
tasks/c-moving-average--implement-push
false
c-path-normalize--leading-dotdot
c-path-normalize
c
file path normalisation
edge_case
en
1
new_train
[ "src/path.c" ]
1
1
5
[ "cc", "make" ]
tasks/c-path-normalize--leading-dotdot
false
c-path-normalize--test-normalize
c-path-normalize
c
file path normalisation
add_test
en
2
new_train
[ "tests/test_main.c" ]
1
1
5
[ "cc", "make" ]
tasks/c-path-normalize--test-normalize
false
c-queue-sim--answer-monday-wait
c-queue-sim
c
bank queue simulation
read_answer
fr
1
new_train
[ "answer.txt" ]
1
2
6
[ "cc", "make" ]
tasks/c-queue-sim--answer-monday-wait
false
c-ring-buffer--fix-wraparound
c-ring-buffer
c
queues and ring buffers
fix_bug
en
2
train
[ "src/ring.c" ]
1
2
5
[ "cc", "make" ]
tasks/c-ring-buffer--fix-wraparound
null
c-ring-buffer--test-overwrite
c-ring-buffer
c
queues and ring buffers
add_test
en
2
train
[ "tests/test_main.c" ]
1
1
5
[ "cc", "make" ]
tasks/c-ring-buffer--test-overwrite
null
c-rpn-calc--division-by-zero
c-rpn-calc
c
calculators
add_validation
en
1
test_seen_types
[ "src/rpn.c", "tests/test_main.c" ]
2
2
5
[ "cc", "make" ]
tasks/c-rpn-calc--division-by-zero
null
c-rpn-calc--implement-rpn-eval
c-rpn-calc
c
calculators
implement_stub
en
3
test_seen_types
[ "src/rpn.c" ]
1
2
5
[ "cc", "make" ]
tasks/c-rpn-calc--implement-rpn-eval
null
c-sensor-firmware--answer-bus-speed-file
c-sensor-firmware
c
sensor firmware
search_answer
es
1
new_train
[ "answer.txt" ]
1
3
15
[ "cc", "make" ]
tasks/c-sensor-firmware--answer-bus-speed-file
true
c-sensor-firmware--crc-polynomial
c-sensor-firmware
c
sensor firmware
locate_fix
en
2
new_train
[ "src/util/crc8.c" ]
1
2
15
[ "cc", "make" ]
tasks/c-sensor-firmware--crc-polynomial
true
c-seven-segment--clean-and-check-targets
c-seven-segment
c
seven-segment display
add_make_target
en
2
train
[ "Makefile", "tests/42.txt" ]
3
2
3
[ "cc", "make" ]
tasks/c-seven-segment--clean-and-check-targets
null
c-stock-ticker--missing-type
c-stock-ticker
c
stock price ticker
fix_build
en
1
new_train
[ "src/fmt.h" ]
1
2
7
[ "cc", "make" ]
tasks/c-stock-ticker--missing-type
false
c-strbuf--room-for-nul
c-strbuf
c
growable string buffer
edge_case
en
2
new_train
[ "src/strbuf.c" ]
1
1
5
[ "cc", "make" ]
tasks/c-strbuf--room-for-nul
false
c-strutils--fix-reverse-off-by-one
c-strutils
c
string utilities
fix_bug
en
1
train
[ "src/strutils.c" ]
1
2
5
[ "cc", "make" ]
tasks/c-strutils--fix-reverse-off-by-one
null
c-strutils--trim-all-spaces
c-strutils
c
string utilities
edge_case
de
2
train
[ "src/strutils.c" ]
1
2
5
[ "cc", "make" ]
tasks/c-strutils--trim-all-spaces
null
c-tempconv--clean-target
c-tempconv
c
unit conversion (temperature)
add_make_target
it
1
train
[ "Makefile" ]
2
3
5
[ "cc", "make" ]
tasks/c-tempconv--clean-target
null
c-tempconv--fix-link
c-tempconv
c
unit conversion (temperature)
fix_build
en
1
train
[ "Makefile" ]
1
2
5
[ "cc", "make" ]
tasks/c-tempconv--fix-link
null
c-token-bucket--init-validation
c-token-bucket
c
API rate limiting
add_validation
de
1
new_train
[ "src/bucket.c", "src/bucket.h" ]
3
2
5
[ "cc", "make" ]
tasks/c-token-bucket--init-validation
false
c-token-bucket--take-tokens
c-token-bucket
c
API rate limiting
implement_stub
en
2
new_train
[ "src/bucket.c" ]
1
3
5
[ "cc", "make" ]
tasks/c-token-bucket--take-tokens
false
c-utf8-length--count-code-points
c-utf8-length
c
UTF-8 string length
fix_bug
en
2
new_test
[ "src/u8.c" ]
1
2
5
[ "cc", "make" ]
tasks/c-utf8-length--count-code-points
false
c-wordcount--count-word-runs
c-wordcount
c
text statistics (stdin)
edge_case
en
1
train
[ "wc.c" ]
1
1
2
[ "cc", "make" ]
tasks/c-wordcount--count-word-runs
null
c-wordcount--lines-flag
c-wordcount
c
text statistics (stdin)
add_cli_flag
es
2
train
[ "wc.c" ]
2
1
2
[ "cc", "make" ]
tasks/c-wordcount--lines-flag
null
go-bowling--strike-bonus
go-bowling
go
sports scoring
fix_bug
en
2
train
[ "bowling.go" ]
1
2
3
[ "go" ]
tasks/go-bowling--strike-bonus
null
go-expense-ledger--cannot-open
go-expense-ledger
go
expense tracking
handle_missing_file
en
1
test_ood
[ "cmd/ledger/main.go" ]
1
2
5
[ "go" ]
tasks/go-expense-ledger--cannot-open
null
go-expense-ledger--sorted-report
go-expense-ledger
go
expense tracking
make_deterministic
en
1
test_ood
[ "ledger/ledger.go" ]
2
1
5
[ "go" ]
tasks/go-expense-ledger--sorted-report
null
go-greet-cli--times-validation
go-greet-cli
go
command-line flags
fix_bug
de
1
train
[ "main.go" ]
1
2
3
[ "go" ]
tasks/go-greet-cli--times-validation
null
go-greet-cli--upper-flag
go-greet-cli
go
command-line flags
add_cli_flag
en
2
train
[ "main.go" ]
2
2
3
[ "go" ]
tasks/go-greet-cli--upper-flag
null
go-maze-bfs--implement-shortest-path
go-maze-bfs
go
maze solving
implement_stub
en
3
train
[ "maze/maze.go" ]
1
2
3
[ "go" ]
tasks/go-maze-bfs--implement-shortest-path
null
go-notifier-config--timeout-setting
go-notifier-config
go
service configuration (JSON)
config_change
en
2
train
[ "config.json", "config/config.go" ]
3
2
4
[ "go" ]
tasks/go-notifier-config--timeout-setting
null
go-notifier-config--validate-port
go-notifier-config
go
service configuration (JSON)
add_validation
it
2
train
[ "config/config.go" ]
1
2
4
[ "go" ]
tasks/go-notifier-config--validate-port
null
go-postcodes--fix-postcode-regex
go-postcodes
go
postal code validation
fix_regex
fr
2
test_ood
[ "postcode/postcode.go" ]
1
2
3
[ "go" ]
tasks/go-postcodes--fix-postcode-regex
null
go-reorder-points--fix-type-mismatch
go-reorder-points
go
stock replenishment
fix_build
en
1
test_seen_types
[ "reorder/reorder.go" ]
1
1
3
[ "go" ]
tasks/go-reorder-points--fix-type-mismatch
null
go-reorder-points--use-reorder-point
go-reorder-points
go
stock replenishment
refactor_extract
en
2
test_seen_types
[ "reorder/reorder.go" ]
2
2
3
[ "go" ]
tasks/go-reorder-points--use-reorder-point
null
go-round-robin--answer-leader
go-round-robin
go
tournament standings
read_answer
fr
2
train
[ "answer.txt" ]
1
2
4
[ "go" ]
tasks/go-round-robin--answer-leader
null
go-round-robin--away-win-points
go-round-robin
go
tournament standings
fix_bug
en
1
train
[ "standings/standings.go" ]
1
1
4
[ "go" ]
tasks/go-round-robin--away-win-points
null
go-runes--reverse-runes
go-runes
go
unicode text
edge_case
en
1
test_seen_types
[ "text/text.go" ]
1
2
3
[ "go" ]
tasks/go-runes--reverse-runes
null
go-runes--test-truncate
go-runes
go
unicode text
add_test
it
2
test_seen_types
[ "text/text_test.go" ]
1
1
3
[ "go" ]
tasks/go-runes--test-truncate
null
go-semver--release-1-5-0
go-semver
go
semantic version parsing
bump_version
es
3
train
[ "CHANGELOG.md", "VERSION", "semver/semver.go" ]
3
2
6
[ "go" ]
tasks/go-semver--release-1-5-0
null
go-semver--rename-cmp-compare
go-semver
go
semantic version parsing
rename_symbol
en
2
train
[ "semver/latest.go", "semver/semver.go", "semver/semver_test.go" ]
3
2
6
[ "go" ]
tasks/go-semver--rename-cmp-compare
null
go-shortlink--implement-decode
go-shortlink
go
URL shortener
implement_stub
en
2
train
[ "base62/base62.go" ]
1
2
3
[ "go" ]
tasks/go-shortlink--implement-decode
null
go-shortlink--test-encode-boundaries
go-shortlink
go
URL shortener
add_test
en
2
train
[ "base62/base62_test.go" ]
1
1
3
[ "go" ]
tasks/go-shortlink--test-encode-boundaries
null
go-ttl-store--expiry-instant
go-ttl-store
go
caching with expiry
fix_bug
en
1
train
[ "store/store.go" ]
1
2
3
[ "go" ]
tasks/go-ttl-store--expiry-instant
null
go-ttl-store--live-keys
go-ttl-store
go
caching with expiry
add_feature
es
2
train
[ "store/store.go" ]
2
2
3
[ "go" ]
tasks/go-ttl-store--live-keys
null
go-wordwrap--exact-width-and-long-words
go-wordwrap
go
text layout
edge_case
en
2
train
[ "wrap/wrap.go" ]
1
2
4
[ "go" ]
tasks/go-wordwrap--exact-width-and-long-words
null
go-wordwrap--fix-unused-import
go-wordwrap
go
text layout
fix_build
de
1
train
[ "cmd/wrap/main.go" ]
1
1
4
[ "go" ]
tasks/go-wordwrap--fix-unused-import
null
java-inventory-csv--answer-most-valuable
java-inventory-csv
java
inventory valuation
read_answer
fr
1
train
[ "answer.txt" ]
1
2
5
[ "java", "javac" ]
tasks/java-inventory-csv--answer-most-valuable
null
java-inventory-csv--missing-import
java-inventory-csv
java
inventory valuation
fix_build
en
1
train
[ "src/Inventory.java" ]
1
1
5
[ "java", "javac" ]
tasks/java-inventory-csv--missing-import
null
java-parking-lot--free-the-spot
java-parking-lot
java
parking lot
fix_bug
en
1
train
[ "src/ParkingLot.java" ]
1
2
3
[ "java", "javac" ]
tasks/java-parking-lot--free-the-spot
null
java-roman-numerals--implement-to-roman
java-roman-numerals
java
roman numerals
implement_stub
en
2
train
[ "src/Roman.java" ]
1
2
3
[ "java", "javac" ]
tasks/java-roman-numerals--implement-to-roman
null
java-roman-numerals--test-from-roman
java-roman-numerals
java
roman numerals
add_test
it
2
train
[ "test/TestMain.java" ]
1
1
3
[ "java", "javac" ]
tasks/java-roman-numerals--test-from-roman
null
java-savings-account--compound-interest
java-savings-account
java
savings accounts
fix_bug
de
2
train
[ "src/Account.java" ]
1
2
3
[ "java", "javac" ]
tasks/java-savings-account--compound-interest
null
java-savings-account--positive-deposits
java-savings-account
java
savings accounts
add_validation
en
1
train
[ "src/Account.java" ]
1
2
3
[ "java", "javac" ]
tasks/java-savings-account--positive-deposits
null
java-unit-converter--decimals-and-miles
java-unit-converter
java
unit conversion (Java)
config_change
en
3
test_seen_types
[ "src/Converter.java", "test/TestMain.java", "units.properties" ]
5
2
3
[ "java", "javac" ]
tasks/java-unit-converter--decimals-and-miles
null
java-word-frequency--alphabetical-ties
java-word-frequency
java
word frequency
make_deterministic
es
1
test_ood
[ "src/WordFreq.java" ]
1
2
3
[ "java", "javac" ]
tasks/java-word-frequency--alphabetical-ties
null
js-cart-discounts--bogo-coupon
js-cart-discounts
javascript
shopping cart discounts
add_feature
es
2
train
[ "src/cart.js" ]
1
2
3
[ "node" ]
tasks/js-cart-discounts--bogo-coupon
null
js-cart-discounts--percent-before-fixed
js-cart-discounts
javascript
shopping cart discounts
fix_bug
en
2
train
[ "src/cart.js" ]
1
2
3
[ "node" ]
tasks/js-cart-discounts--percent-before-fixed
null
js-cart-totals--code-normalise
js-cart-totals
javascript
web shop checkout totals
edge_case
en
1
new_train
[ "src/discounts.js" ]
1
2
6
[ "node" ]
tasks/js-cart-totals--code-normalise
false
js-cart-totals--free-shipping
js-cart-totals
javascript
web shop checkout totals
add_feature
en
3
new_train
[ "src/discounts.js", "src/shipping.js", "src/totals.js" ]
6
3
6
[ "node" ]
tasks/js-cart-totals--free-shipping
false
js-chat-commands--answer-max-mute
js-chat-commands
javascript
chat server slash commands
search_answer
en
1
new_train
[ "answer.txt" ]
1
2
7
[ "node" ]
tasks/js-chat-commands--answer-max-mute
true
js-chat-commands--mute-permission
js-chat-commands
javascript
chat server slash commands
locate_fix
en
1
new_train
[ "src/commands/mute.js" ]
1
2
7
[ "node" ]
tasks/js-chat-commands--mute-permission
true
js-chess-clock--flag-fall
js-chess-clock
javascript
chess clocks
edge_case
en
1
new_train
[ "clock.js" ]
1
2
2
[ "node" ]
tasks/js-chess-clock--flag-fall
false
js-chess-clock--implement-press
js-chess-clock
javascript
chess clocks
implement_stub
en
2
new_train
[ "clock.js" ]
1
2
2
[ "node" ]
tasks/js-chess-clock--implement-press
false
js-circuit-breaker--half-open
js-circuit-breaker
javascript
circuit breaker pattern
fix_bug
en
2
new_train
[ "src/breaker.js" ]
1
2
2
[ "node" ]
tasks/js-circuit-breaker--half-open
false
js-color-contrast--linear-segment
js-color-contrast
javascript
colour contrast (WCAG)
fix_bug
en
2
new_train
[ "src/contrast.js" ]
1
2
2
[ "node" ]
tasks/js-color-contrast--linear-segment
false
js-color-convert--implement-rgb-to-hex
js-color-convert
javascript
colour conversion
implement_stub
en
1
train
[ "lib/color.js" ]
1
2
3
[ "node" ]
tasks/js-color-convert--implement-rgb-to-hex
null
js-color-convert--shorthand-hex
js-color-convert
javascript
colour conversion
edge_case
es
2
train
[ "lib/color.js" ]
1
2
3
[ "node" ]
tasks/js-color-convert--shorthand-hex
null