🎄 Advent of Code - Language Pick 🎁
Today's Pick
Kotlin
Previous Picks
Go - Picked on day 01
Julia - Picked on day 02
Rust - Picked on day 03
PHP - Picked on day 04
Python - Picked on day 05
C# - Picked on day 06
Kotlin - Picked on day 07
Swift - Picked on day 08
Dart - Picked on day 09
C - Picked on day 10
Java - Picked on day 11
Carbon - Picked on day 13
C++ - Picked on day 14
JavaScript - Picked on day 15
TypeScript - Picked on day 16
C - Picked on day 17
Dart - Picked on day 18
C# - Picked on day 19
Kotlin - Picked on day 20
Python - Picked on day 22
C - Picked on day 23
PHP - Picked on day 24
Go - Picked on day 25
Java - Picked on day 27
JavaScript - Picked on day 29
Dart - Picked on day 31
C - Picked on day 01
Swift - Picked on day 02
Python - Picked on day 03
C# - Picked on day 05
PHP - Picked on day 06
Carbon - Picked on day 07
TypeScript - Picked on day 08
C - Picked on day 11
Carbon - Picked on day 12
Dart - Picked on day 13
Go - Picked on day 14
TypeScript - Picked on day 16
Julia - Picked on day 17
Python - Picked on day 18
PHP - Picked on day 19
C - Picked on day 21
Java - Picked on day 22
Julia - Picked on day 24
Swift - Picked on day 25
Rust - Picked on day 27
C++ - Picked on day 28
C# - Picked on day 30
TypeScript - Picked on day 31
Go - Picked on day 01
Dart - Picked on day 02
Julia - Picked on day 03
Python - Picked on day 04
JavaScript - Picked on day 05
C# - Picked on day 06
Go - Picked on day 07
TypeScript - Picked on day 08
Swift - Picked on day 09
C++ - Picked on day 10
Java - Picked on day 11
Dart - Picked on day 12
PHP - Picked on day 13
C++ - Picked on day 14
PHP - Picked on day 16
Julia - Picked on day 17
Dart - Picked on day 18
TypeScript - Picked on day 19
Julia - Picked on day 20
TypeScript - Picked on day 21
Carbon - Picked on day 22
TypeScript - Picked on day 23
Kotlin - Picked on day 24
Dart - Picked on day 25
Go - Picked on day 26
Swift - Picked on day 27
Swift - Picked on day 28
Rust - Picked on day 01
C++ - Picked on day 02
TypeScript - Picked on day 03
Julia - Picked on day 05
JavaScript - Picked on day 07
C++ - Picked on day 09
Go - Picked on day 10
Go - Picked on day 11
Carbon - Picked on day 12
C++ - Picked on day 13
TypeScript - Picked on day 14
Julia - Picked on day 15
TypeScript - Picked on day 16
Kotlin - Picked on day 17
Rust - Picked on day 18
Dart - Picked on day 19
Dart - Picked on day 21
Go - Picked on day 22
Swift - Picked on day 23
Kotlin - Picked on day 24
TypeScript - Picked on day 25
Python - Picked on day 26
TypeScript - Picked on day 27
PHP - Picked on day 28
Carbon - Picked on day 30
C# - Picked on day 31
Java - Picked on day 01
TypeScript - Picked on day 02
PHP - Picked on day 03
Julia - Picked on day 04
C++ - Picked on day 05
Go - Picked on day 06
PHP - Picked on day 07
JavaScript - Picked on day 08
Kotlin - Picked on day 09
Julia - Picked on day 10
Kotlin - Picked on day 11
Julia - Picked on day 12
Kotlin - Picked on day 13
C# - Picked on day 14
C# - Picked on day 15
Kotlin - Picked on day 16
C++ - Picked on day 17
C++ - Picked on day 18
Swift - Picked on day 19
Kotlin - Picked on day 20
Carbon - Picked on day 21
Swift - Picked on day 22
Kotlin - Picked on day 23
C - Picked on day 24
Kotlin - Picked on day 26
JavaScript - Picked on day 27
Go - Picked on day 27
Python - Picked on day 28
Go - Picked on day 29
C - Picked on day 30
Carbon - Picked on day 02
Go - Picked on day 03
Julia - Picked on day 04
Python - Picked on day 05
Python - Picked on day 06
C++ - Picked on day 07
JavaScript - Picked on day 08
Swift - Picked on day 09
JavaScript - Picked on day 10
Go - Picked on day 11
PHP - Picked on day 13
Swift - Picked on day 14
C++ - Picked on day 15
Kotlin - Picked on day 16
Julia - Picked on day 17
Go - Picked on day 18
C++ - Picked on day 19
C++ - Picked on day 20
C - Picked on day 21
Swift - Picked on day 22
Julia - Picked on day 23
TypeScript - Picked on day 24
Go - Picked on day 25
Julia - Picked on day 26
Kotlin - Picked on day 27
JavaScript - Picked on day 28
C - Picked on day 29
Rust - Picked on day 30
TypeScript - Picked on day 31
PHP - Picked on day 01
Julia - Picked on day 02
Python - Picked on day 03
Python - Picked on day 04
JavaScript - Picked on day 05
Carbon - Picked on day 06
JavaScript - Picked on day 07
Swift - Picked on day 08
C - Picked on day 09
Rust - Picked on day 10
Rust - Picked on day 11
C++ - Picked on day 12
PHP - Picked on day 13
Rust - Picked on day 14
Rust - Picked on day 15
C# - Picked on day 16
C - Picked on day 17
Kotlin - Picked on day 18
Swift - Picked on day 19
C# - Picked on day 21
PHP - Picked on day 22
Kotlin - Picked on day 23
Go - Picked on day 24
Dart - Picked on day 25
TypeScript - Picked on day 27
C++ - Picked on day 28
Swift - Picked on day 29
C++ - Picked on day 30
Python - Picked on day 02
Dart - Picked on day 03
Kotlin - Picked on day 04
C++ - Picked on day 05
Java - Picked on day 06
Go - Picked on day 07
Kotlin - Picked on day 08
Swift - Picked on day 09
JavaScript - Picked on day 10
C++ - Picked on day 11
C++ - Picked on day 12
Carbon - Picked on day 13
PHP - Picked on day 14
JavaScript - Picked on day 15
Swift - Picked on day 16
PHP - Picked on day 17
Carbon - Picked on day 18
Python - Picked on day 19
Carbon - Picked on day 20
TypeScript - Picked on day 21
PHP - Picked on day 22
Dart - Picked on day 23
Julia - Picked on day 24
Kotlin - Picked on day 25
Go - Picked on day 26
Rust - Picked on day 27
TypeScript - Picked on day 28
TypeScript - Picked on day 29
Julia - Picked on day 30
PHP - Picked on day 31
PHP - Picked on day 01
Kotlin - Picked on day 02
Rust - Picked on day 03
Carbon - Picked on day 04
Go - Picked on day 05
PHP - Picked on day 06
Rust - Picked on day 07
Swift - Picked on day 08
C++ - Picked on day 09
C# - Picked on day 10
Python - Picked on day 11
Kotlin - Picked on day 12
C - Picked on day 14
Kotlin - Picked on day 15
C# - Picked on day 16
Go - Picked on day 17
PHP - Picked on day 18
Java - Picked on day 19
TypeScript - Picked on day 20
Python - Picked on day 21
PHP - Picked on day 22
Carbon - Picked on day 23
C++ - Picked on day 24
PHP - Picked on day 25
JavaScript - Picked on day 26
PHP - Picked on day 27
Python - Picked on day 29
Go - Picked on day 30
Go - Picked on day 31
Dart - Picked on day 01
Rust - Picked on day 02
C# - Picked on day 03
Rust - Picked on day 04
Swift - Picked on day 06
Carbon - Picked on day 07
Python - Picked on day 08
Julia - Picked on day 09
Java - Picked on day 10
Rust - Picked on day 11
Kotlin - Picked on day 13
C# - Picked on day 14
Swift - Picked on day 15
JavaScript - Picked on day 17
C - Picked on day 18
JavaScript - Picked on day 19
PHP - Picked on day 20
Julia - Picked on day 21
Rust - Picked on day 22
Python - Picked on day 23
Java - Picked on day 24
Swift - Picked on day 25
PHP - Picked on day 26
Java - Picked on day 27
Java - Picked on day 28
PHP - Picked on day 29
Go - Picked on day 30
C# - Picked on day 01
C - Picked on day 02
Julia - Picked on day 04
Swift - Picked on day 05
PHP - Picked on day 06
Rust - Picked on day 08
Kotlin - Picked on day 09
Carbon - Picked on day 10
Kotlin - Picked on day 11
Java - Picked on day 12
Swift - Picked on day 13
C# - Picked on day 14
C - Picked on day 15
Java - Picked on day 16
Swift - Picked on day 17
PHP - Picked on day 18
C# - Picked on day 19
Go - Picked on day 20
Python - Picked on day 21
Rust - Picked on day 22
Carbon - Picked on day 23
Dart - Picked on day 24
Carbon - Picked on day 25
JavaScript - Picked on day 26
Carbon - Picked on day 27
Go - Picked on day 28
Rust - Picked on day 29
Go - Picked on day 30
TypeScript - Picked on day 31
TypeScript - Picked on day 01
Java - Picked on day 02
C - Picked on day 03
C++ - Picked on day 04
JavaScript - Picked on day 05
Carbon - Picked on day 06
Kotlin - Picked on day 07
C# - Picked on day 08
Carbon - Picked on day 09
C# - Picked on day 10
C++ - Picked on day 11
Swift - Picked on day 12
PHP - Picked on day 13
Java - Picked on day 14
Python - Picked on day 15
Julia - Picked on day 16
C - Picked on day 17
C++ - Picked on day 18
Go - Picked on day 19
Kotlin - Picked on day 20
C++ - Picked on day 21
Julia - Picked on day 22
Go - Picked on day 23
Java - Picked on day 24
C# - Picked on day 25
Rust - Picked on day 26
Rust - Picked on day 27
Swift - Picked on day 28
Go - Picked on day 28
Kotlin - Picked on day 29
JavaScript - Picked on day 30
C - Picked on day 01
Swift - Picked on day 02
Python - Picked on day 03
JavaScript - Picked on day 04
Carbon - Picked on day 05
Java - Picked on day 06
Go - Picked on day 07
PHP - Picked on day 08
Go - Picked on day 09
Python - Picked on day 10
Julia - Picked on day 11
Go - Picked on day 12
Dart - Picked on day 13
C - Picked on day 14
Go - Picked on day 15
Swift - Picked on day 16
C# - Picked on day 17
PHP - Picked on day 18
Python - Picked on day 19
Rust - Picked on day 20
Rust - Picked on day 21
Rust - Picked on day 22
Rust - Picked on day 23
C++ - Picked on day 24
Python - Picked on day 25
JavaScript - Picked on day 26
Rust - Picked on day 27
Swift - Picked on day 28
Swift - Picked on day 29
PHP - Picked on day 30
Go - Picked on day 31
Java - Picked on day 01
Java - Picked on day 02
Kotlin - Picked on day 03
TypeScript - Picked on day 04
Java - Picked on day 05
Kotlin - Picked on day 06
JavaScript - Picked on day 07
Rust - Picked on day 08
TypeScript - Picked on day 09
JavaScript - Picked on day 10
C++ - Picked on day 11
Java - Picked on day 12
PHP - Picked on day 13
Rust - Picked on day 14
Carbon - Picked on day 15
JavaScript - Picked on day 16
JavaScript - Picked on day 17
TypeScript - Picked on day 18
Swift - Picked on day 19
Java - Picked on day 20
C - Picked on day 21
PHP - Picked on day 22
Dart - Picked on day 23
Dart - Picked on day 24
C++ - Picked on day 25
Python - Picked on day 26
C# - Picked on day 27
JavaScript - Picked on day 28
JavaScript - Picked on day 29
PHP - Picked on day 30
Python - Picked on day 31
TypeScript - Picked on day 01
TypeScript - Picked on day 02
Go - Picked on day 03
Python - Picked on day 04
Julia - Picked on day 05
Rust - Picked on day 06
Java - Picked on day 07
Carbon - Picked on day 08
C++ - Picked on day 09
Julia - Picked on day 10
Go - Picked on day 11
Rust - Picked on day 12
C# - Picked on day 13
C# - Picked on day 14
Rust - Picked on day 15
Java - Picked on day 16
Kotlin - Picked on day 17
Dart - Picked on day 18
C - Picked on day 19
Go - Picked on day 20
Rust - Picked on day 21
Julia - Picked on day 22
Swift - Picked on day 23
Python - Picked on day 24
Carbon - Picked on day 25
Kotlin - Picked on day 26
PHP - Picked on day 27
JavaScript - Picked on day 28
Go - Picked on day 01
Python - Picked on day 02
C - Picked on day 03
Java - Picked on day 04
TypeScript - Picked on day 05
PHP - Picked on day 06
Rust - Picked on day 07
Rust - Picked on day 08
Java - Picked on day 09
Swift - Picked on day 10
TypeScript - Picked on day 11
C++ - Picked on day 12
C++ - Picked on day 13
C - Picked on day 14
Java - Picked on day 15
Python - Picked on day 16
Dart - Picked on day 17
PHP - Picked on day 18
C - Picked on day 19
Go - Picked on day 20
Dart - Picked on day 21
Python - Picked on day 22
Kotlin - Picked on day 23
Python - Picked on day 24
Dart - Picked on day 25
Go - Picked on day 26
C - Picked on day 27
Swift - Picked on day 28
C# - Picked on day 29
Swift - Picked on day 30
Kotlin - Picked on day 31
C# - Picked on day 01
Julia - Picked on day 02
Julia - Picked on day 03
C++ - Picked on day 04
Swift - Picked on day 05
Java - Picked on day 06
PHP - Picked on day 07
PHP - Picked on day 08
C++ - Picked on day 09
Dart - Picked on day 10
TypeScript - Picked on day 11
Carbon - Picked on day 12
Go - Picked on day 13
Java - Picked on day 14
JavaScript - Picked on day 15
Kotlin - Picked on day 16
C++ - Picked on day 17
Dart - Picked on day 18
Dart - Picked on day 19
Dart - Picked on day 20
Julia - Picked on day 21
Kotlin - Picked on day 22
Go - Picked on day 23
Python - Picked on day 24
Julia - Picked on day 25
Java - Picked on day 25
C - Picked on day 26
Swift - Picked on day 27
Dart - Picked on day 28
Kotlin - Picked on day 29
Swift - Picked on day 30
PHP - Picked on day 01
Swift - Picked on day 02
Kotlin - Picked on day 03
JavaScript - Picked on day 04
C++ - Picked on day 05
Python - Picked on day 06
JavaScript - Picked on day 07
Carbon - Picked on day 08
C# - Picked on day 09
Go - Picked on day 10
Go - Picked on day 11
C - Picked on day 12
Java - Picked on day 13
C - Picked on day 14
TypeScript - Picked on day 15
Dart - Picked on day 16
Rust - Picked on day 17
Julia - Picked on day 18
Java - Picked on day 19
Dart - Picked on day 20
C++ - Picked on day 21
JavaScript - Picked on day 22
Swift - Picked on day 23
Python - Picked on day 24
Carbon - Picked on day 25
Rust - Picked on day 26
Dart - Picked on day 26
Julia - Picked on day 27
Swift - Picked on day 28
C# - Picked on day 29
PHP - Picked on day 30
Carbon - Picked on day 31
Go - Picked on day 01
C# - Picked on day 02
Carbon - Picked on day 03
Java - Picked on day 04
Carbon - Picked on day 05
Python - Picked on day 06
Kotlin - Picked on day 07
C - Picked on day 08
Swift - Picked on day 09
Carbon - Picked on day 10
JavaScript - Picked on day 11
C++ - Picked on day 12
Java - Picked on day 13
Kotlin - Picked on day 14
TypeScript - Picked on day 15
Julia - Picked on day 16
C++ - Picked on day 17
C - Picked on day 18
C - Picked on day 19
TypeScript - Picked on day 20
Dart - Picked on day 21
PHP - Picked on day 22
Java - Picked on day 23
Kotlin - Picked on day 24
Julia - Picked on day 25
Kotlin - Picked on day 26
JavaScript - Picked on day 27
Go - Picked on day 28
Julia - Picked on day 29
Python - Picked on day 30
TypeScript - Picked on day 01
Go - Picked on day 02
JavaScript - Picked on day 03
Dart - Picked on day 04
Carbon - Picked on day 05
C# - Picked on day 06
Dart - Picked on day 07
JavaScript - Picked on day 08
C++ - Picked on day 09
TypeScript - Picked on day 10
Rust - Picked on day 11
Go - Picked on day 12
Python - Picked on day 13
Kotlin - Picked on day 14
Python - Picked on day 15
C++ - Picked on day 16
Go - Picked on day 17
Java - Picked on day 18
Java - Picked on day 19
Swift - Picked on day 20
TypeScript - Picked on day 21
Python - Picked on day 22
Kotlin - Picked on day 23
JavaScript - Picked on day 24
Go - Picked on day 25
TypeScript - Picked on day 26
PHP - Picked on day 27
Java - Picked on day 28
Swift - Picked on day 29
Swift - Picked on day 30
C# - Picked on day 31
JavaScript - Picked on day 01
Rust - Picked on day 02
JavaScript - Picked on day 03
C# - Picked on day 04
Go - Picked on day 05
Dart - Picked on day 06
Java - Picked on day 07
Carbon - Picked on day 08
PHP - Picked on day 09
Python - Picked on day 09
PHP - Picked on day 10
Rust - Picked on day 11
Rust - Picked on day 12
C - Picked on day 13
Kotlin - Picked on day 14
Kotlin - Picked on day 15
Carbon - Picked on day 16
Java - Picked on day 17
Carbon - Picked on day 18
Kotlin - Picked on day 19
Rust - Picked on day 20
Python - Picked on day 21
C# - Picked on day 22
JavaScript - Picked on day 22
TypeScript - Picked on day 23
TypeScript - Picked on day 24
Go - Picked on day 25
JavaScript - Picked on day 26
Dart - Picked on day 27
C++ - Picked on day 28
Julia - Picked on day 29
Kotlin - Picked on day 30
Dart - Picked on day 31
JavaScript - Picked on day 01
Go - Picked on day 02
Swift - Picked on day 03
Java - Picked on day 04
PHP - Picked on day 05
JavaScript - Picked on day 06
C++ - Picked on day 07
Java - Picked on day 08
Carbon - Picked on day 09
Python - Picked on day 10
Java - Picked on day 11
Julia - Picked on day 12
Swift - Picked on day 13
C - Picked on day 14
JavaScript - Picked on day 15
Julia - Picked on day 16
Go - Picked on day 17
Swift - Picked on day 18
JavaScript - Picked on day 19
C++ - Picked on day 20
TypeScript - Picked on day 21
TypeScript - Picked on day 22
Go - Picked on day 23
Dart - Picked on day 23
JavaScript - Picked on day 24
Rust - Picked on day 25
Java - Picked on day 26
Kotlin - Picked on day 27