Fizz Buzz

Perform FizzBuzz on a stream of binary integers as fast as possible.

Input: 30 000 000 uint32 values in little-endian binary on STDIN (4 bytes each).

Output: For each number n, print one line:

FizzBuzz if n is divisible by both 3 and 5
Fizz if n is divisible by 3
Buzz if n is divisible by 5
n as a decimal string otherwise

Restrictions:30s256Mb 1 Score Packages

Feel free to create an issue if you need an extra library from the standard Ubuntu repository.

Name	Version	Description
libc6-dev	2.39-0ubuntu8.7	GNU C Library: Development Libraries and Header Files Contains the symlinks, headers, and object files needed to compile and link programs which use the standard C library.
libclang-common-14-dev	1:14.0.6-19build4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-15-dev	1:15.0.7-14build3	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-16-dev	1:16.0.6-23ubuntu4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-17-dev	1:17.0.6-9ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-18-dev	1:18.1.3-1ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-19-dev	1:19.1.1-1ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-20-dev	1:20.1.2-0ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libcrypt-dev	1:4.4.36-4build1	libcrypt development files This package contains the files needed for developing applications that use libcrypt.
libgcc-10-dev	10.5.0-4ubuntu2.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-11-dev	11.5.0-1ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-12-dev	12.4.0-2ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-13-dev	13.3.0-6ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-14-dev	14.2.0-4ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libobjc-13-dev	13.3.0-6ubuntu2~24.04.1	Runtime library for GNU Objective-C applications (development files) This package contains the headers and static library files needed to build GNU ObjC applications.
libssl-dev	3.0.13-0ubuntu3.9	Secure Sockets Layer toolkit - development files This package is part of the OpenSSL project's implementation of the SSL and TLS cryptographic protocols for secure communication over the Internet. . It contains development libraries, header files, and manpages for libssl and libcrypto.
libstdc++-10-dev	10.5.0-4ubuntu2.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-11-dev	11.5.0-1ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-12-dev	12.4.0-2ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-13-dev	13.3.0-6ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-14-dev	14.2.0-4ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libtbb-dev	2021.11.0-2ubuntu2	parallelism library for C++ - development files TBB is a library that helps you leverage multi-core processor performance without having to be a threading expert. It represents a higher-level, task-based parallelism that abstracts platform details and threading mechanism for performance and scalability. . (Note: if you are a user of the i386 architecture, i.e., 32-bit Intel or compatible hardware, this package only supports Pentium4-compatible and higher processors.) . This package includes the TBB development files.

Date	Author	Language	Status	Score
Jun 13, 2026 14:04	Victor Mercklé	RUSTrust-1.95.0	Success	2,324
Jun 13, 2026 13:54	Victor Mercklé	RUSTrust-1.95.0	Success	2,318+20.38 RP
Jun 13, 2026 13:22	Victor Mercklé	RUSTrust-1.95.0	Success	2,329+276.01 RP
Jun 13, 2026 06:15	Victor Mercklé	GOgo1.26.2	Success	2,351
Jun 13, 2026 05:59	Victor Mercklé	GOgo1.26.2	Success	2,353
Jun 13, 2026 05:44	Victor Mercklé	GOgo1.26.2	Success	2,351+277.37 RP
Jun 12, 2026 15:19	Victor Mercklé	CSHARP10.0.7	Success	2,352
Jun 12, 2026 15:12	Victor Mercklé	CSHARP10.0.7	Success	2,344+14.51 RP
Jun 12, 2026 14:56	Victor Mercklé	CSHARP10.0.7	Success	2,352+556.21 RP
Jun 12, 2026 14:48	Victor Mercklé	ZIG0.16.0	Success	2,328
Jun 12, 2026 14:43	Victor Mercklé	ZIG0.16.0	Success	2,328+3.69 RP
Jun 12, 2026 14:27	Victor Mercklé	ZIG0.16.0	Success	2,330+560.50 RP
Jun 12, 2026 02:06	Victor Mercklé	CPPg++14.2.0	Success	2,320
Jun 12, 2026 02:01	Victor Mercklé	CPPg++14.2.0	Success	2,312
Jun 12, 2026 01:54	Victor Mercklé	CPPg++14.2.0	Success	2,311
Jun 12, 2026 01:49	Victor Mercklé	CPPg++14.2.0	Success	2,310
Jun 12, 2026 01:44	Victor Mercklé	CPPg++14.2.0	Success	2,314
Jun 12, 2026 01:38	Victor Mercklé	CPPg++14.2.0	Success	2,320
Jun 12, 2026 01:32	Victor Mercklé	CPPg++14.2.0	Success	2,319
Jun 12, 2026 01:27	Victor Mercklé	CPPg++14.2.0	Success	2,314
Jun 12, 2026 01:22	Victor Mercklé	CPPg++14.2.0	Success	2,313
Jun 12, 2026 01:17	Victor Mercklé	CPPg++14.2.0	Success	2,316
Jun 12, 2026 01:12	Victor Mercklé	CPPg++14.2.0	Success	2,315
Jun 12, 2026 01:07	Victor Mercklé	CPPg++14.2.0	Success	2,313
Jun 12, 2026 01:02	Victor Mercklé	CPPg++14.2.0	Success	2,309
Jun 12, 2026 00:57	Victor Mercklé	CPPg++14.2.0	Success	2,309+26.18 RP
Jun 12, 2026 00:52	Victor Mercklé	CPPg++14.2.0	Success	2,316
Jun 12, 2026 00:47	Victor Mercklé	CPPg++14.2.0	Success	2,327
Jun 12, 2026 00:41	Victor Mercklé	CPPg++14.2.0	Success	2,320
Jun 12, 2026 00:33	Victor Mercklé	CPPg++14.2.0	Success	2,318
Jun 12, 2026 00:30	Victor Mercklé	CPPg++14.2.0	Success	2,324
Jun 12, 2026 00:21	Victor Mercklé	CPPg++14.2.0	Success	2,316+33.42 RP
Jun 12, 2026 00:16	Victor Mercklé	CPPg++14.2.0	Success	2,325+3.70 RP
Jun 12, 2026 00:11	Victor Mercklé	CPPg++14.2.0	Success	2,326
Jun 12, 2026 00:06	Victor Mercklé	CPPg++14.2.0	Success	2,326+29.48 RP
Jun 10, 2026 18:56	Victor Mercklé	CPPg++14.2.0	Success	2,334+18.32 RP
Jun 10, 2026 18:50	Victor Mercklé	CPPg++14.2.0	Success	2,339+286.20 RP
Jun 10, 2026 18:45	Victor Mercklé	CPPg++14.2.0	Success	2,420+17.04 RP
Jun 10, 2026 18:39	Victor Mercklé	CPPg++14.2.0	Success	2,425+20.36 RP
Jun 10, 2026 18:34	Victor Mercklé	CPPg++14.2.0	Success	2,431
Jun 10, 2026 18:27	Victor Mercklé	CPPg++14.2.0	Success	2,431+6.76 RP
Jun 10, 2026 18:21	Victor Mercklé	CPPg++14.2.0	Success	2,433+83.60 RP
Jun 10, 2026 18:12	Victor Mercklé	CPPg++14.2.0	Success	2,459
Jun 10, 2026 18:07	Victor Mercklé	CPPg++14.2.0	Success	2,498
Jun 10, 2026 18:02	Victor Mercklé	CPPg++14.2.0	Success	2,458+3.30 RP
Jun 10, 2026 17:57	Victor Mercklé	CPPg++14.2.0	Success	2,487
Jun 10, 2026 17:50	Victor Mercklé	CPPg++14.2.0	Success	2,474
Jun 10, 2026 09:22	Victor Mercklé	CPPg++14.2.0	Success	2,466
Jun 10, 2026 09:17	Victor Mercklé	CPPg++14.2.0	Success	2,487
Jun 10, 2026 09:10	Victor Mercklé	CPPg++14.2.0	Success	2,473
Jun 10, 2026 09:05	Victor Mercklé	CPPg++14.2.0	Success	2,459+19.80 RP
Jun 10, 2026 09:00	Victor Mercklé	CPPg++14.2.0	Success	2,465+3.30 RP
Jun 10, 2026 06:45	Victor Mercklé	GOgo1.26.2	Success	2,515+362.12 RP
Jun 8, 2026 17:32	Victor Mercklé	RUSTrust-1.95.0	Success	2,489+22.47 RP
Jun 8, 2026 17:27	Victor Mercklé	RUSTrust-1.95.0	Success	2,503+387.70 RP
Jun 8, 2026 09:41	Victor Mercklé	CPPg++14.2.0	Success	2,466+248.66 RP
Jun 8, 2026 09:31	Victor Mercklé	CPPg++14.2.0	Success	2,544+15.42 RP
Jun 8, 2026 09:26	Victor Mercklé	CPPg++14.2.0	Success	2,578
Jun 8, 2026 09:19	Victor Mercklé	CPPg++14.2.0	Success	2,549+3.08 RP
Jun 8, 2026 09:10	Victor Mercklé	CPPg++14.2.0	Success	2,550+12.28 RP
Jun 7, 2026 10:04	Victor Mercklé	CPPg++14.2.0	Success	2,554+12.24 RP
Jun 7, 2026 09:59	Victor Mercklé	CPPg++14.2.0	Success	2,558+18.30 RP
Jun 7, 2026 09:49	Victor Mercklé	CPPg++14.2.0	Success	2,569
Jun 7, 2026 09:41	Victor Mercklé	CPPg++14.2.0	Success	2,564+12.16 RP
Jun 7, 2026 09:36	Victor Mercklé	CPPg++14.2.0	Success	2,568+24.18 RP
Jun 7, 2026 09:31	Victor Mercklé	CPPg++14.2.0	Success	2,745
Jun 6, 2026 18:41	Victor Mercklé	CPPg++14.2.0	Success	2,577
Jun 6, 2026 18:36	Victor Mercklé	CPPg++14.2.0	Success	2,996
Jun 6, 2026 18:31	Victor Mercklé	CPPg++14.2.0	Success	2,599
Jun 6, 2026 18:26	Victor Mercklé	CPPg++14.2.0	Success	2,576+15.04 RP
Jun 6, 2026 18:15	Victor Mercklé	CPPg++14.2.0	Success	2,581+44.78 RP
Jun 6, 2026 18:10	Victor Mercklé	CPPg++14.2.0	Success	2,596+235.90 RP
Jun 5, 2026 21:33	Victor Mercklé	CPPg++14.2.0	Success	2,679
Jun 5, 2026 21:20	Victor Mercklé	CPPg++14.2.0	Success	2,678+5.58 RP
Jun 4, 2026 23:16	Victor Mercklé	CPPg++14.2.0	Success	2,688
Jun 4, 2026 23:02	Victor Mercklé	CPPg++14.2.0	Success	2,680+7.78 RP
May 28, 2026 02:13	Mungap Kim	CPPg++10.5.0	Success	38,985+261.51 RP
May 22, 2026 09:32	M-Rochat	CPPg++13.3.0	Success	4,713
May 22, 2026 09:29	M-Rochat	CPPg++13.3.0	Success	4,656
May 22, 2026 09:26	M-Rochat	CPPg++13.3.0	Success	4,659
May 22, 2026 09:23	M-Rochat	CPPg++13.3.0	Success	4,656
May 22, 2026 09:20	M-Rochat	CPPg++13.3.0	Success	4,701
May 22, 2026 09:16	M-Rochat	CPPg++13.3.0	Success	4,656+19.65 RP
May 22, 2026 09:13	M-Rochat	CPPg++13.3.0	Success	4,699+3.17 RP
May 22, 2026 09:11	M-Rochat	CPPg++14.2.0	Error
May 22, 2026 09:07	M-Rochat	CPPg++14.2.0	Success	4,706+3.61 RP
May 22, 2026 09:05	M-Rochat	CPPg++14.2.0	Success	4,714+29.73 RP
May 22, 2026 09:02	M-Rochat	CPPg++14.2.0	Success	4,781+8.71 RP
May 22, 2026 08:59	M-Rochat	CPPg++14.2.0	Success	5,363
May 20, 2026 15:19	M-Rochat	CPPg++14.2.0	Success	5,365
May 20, 2026 15:17	M-Rochat	CPPg++14.2.0	Success	5,396
May 20, 2026 15:16	M-Rochat	CPPg++14.2.0	Success	5,489
May 20, 2026 15:11	M-Rochat	CPPg++14.2.0	Error
May 20, 2026 15:07	M-Rochat	CPPg++14.2.0	Success	5,574
May 20, 2026 15:06	M-Rochat	CPPg++14.2.0	Error
May 20, 2026 15:04	M-Rochat	CPPg++14.2.0	Success	6,153
May 20, 2026 15:01	M-Rochat	CPPg++14.2.0	Success	6,168
May 20, 2026 15:00	M-Rochat	CPPg++14.2.0	Success	5,388
May 20, 2026 14:59	M-Rochat	CPPg++14.2.0	Error
May 19, 2026 14:28	M-Rochat	CSHARP9.0.15	Success	10,292

Model	Intel(R) Xeon(R) CPU E3-1271 v3 @ 3.60GHz
Cores	1