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	1:20.1.2-0ubuntu1~24.04.3	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	3.0.13-0ubuntu3.11	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
Aug 16, 2026 15:57	Victor Mercklé	CPPg++14.2.0	Success	1,612
Aug 16, 2026 15:45	Victor Mercklé	CPPg++14.2.0	Success	1,608+23.12 RP
Aug 16, 2026 14:59	Victor Mercklé	CPPg++14.2.0	Success	1,621
Aug 16, 2026 14:50	Victor Mercklé	CPPg++14.2.0	Success	1,710
Aug 16, 2026 14:37	Victor Mercklé	CPPg++14.2.0	Success	1,652
Aug 16, 2026 14:29	Victor Mercklé	CPPg++14.2.0	Success	1,614+3.84 RP
Aug 16, 2026 14:24	Victor Mercklé	CPPg++14.2.0	Success	1,627
Aug 16, 2026 14:13	Victor Mercklé	CPPg++14.2.0	Success	1,615+3.83 RP
Aug 16, 2026 14:07	Victor Mercklé	CPPg++14.2.0	Success	1,617
Aug 16, 2026 12:12	marko1597	CPPclang++16.0.6	Success	1,449+19.02 RP
Aug 16, 2026 12:11	marko1597	CPPclang++16.0.6	Success	1,454
Aug 16, 2026 12:11	marko1597	CPPclang++16.0.6	Success	1,451
Aug 16, 2026 12:11	marko1597	CPPclang++16.0.6	Success	1,451
Aug 16, 2026 12:05	marko1597	CPPclang++16.0.6	Success	1,456
Aug 16, 2026 12:05	marko1597	CPPclang++16.0.6	Success	1,512
Aug 16, 2026 12:05	marko1597	CPPclang++16.0.6	Success	1,504
Aug 16, 2026 12:05	marko1597	CPPclang++16.0.6	Success	1,452
Aug 16, 2026 11:55	marko1597	CPPclang++16.0.6	Success	1,451+18.98 RP
Aug 16, 2026 11:55	marko1597	CPPclang++16.0.6	Success	1,460
Aug 16, 2026 11:55	marko1597	CPPclang++16.0.6	Success	1,502
Aug 16, 2026 11:55	marko1597	CPPclang++16.0.6	Success	1,453+457.90 RP
Aug 16, 2026 11:44	marko1597	CPPclang++16.0.6	Success	1,503+4.42 RP
Aug 16, 2026 11:44	marko1597	CPPclang++16.0.6	Success	1,504+4.42 RP
Aug 16, 2026 11:22	marko1597	CPPclang++16.0.6	Success	1,507
Aug 16, 2026 11:22	marko1597	CPPclang++16.0.6	Success	1,507
Aug 16, 2026 11:21	marko1597	CPPclang++16.0.6	Success	1,507
Aug 16, 2026 11:21	marko1597	CPPclang++16.0.6	Success	1,508
Aug 16, 2026 11:02	marko1597	CPPclang++16.0.6	Success	1,507
Aug 16, 2026 11:02	marko1597	CPPclang++16.0.6	Success	1,510
Aug 16, 2026 11:02	marko1597	CPPclang++16.0.6	Success	1,510
Aug 16, 2026 11:02	marko1597	CPPclang++16.0.6	Success	1,505+4.41 RP
Aug 16, 2026 10:55	marko1597	CPPclang++16.0.6	Success	1,508
Aug 16, 2026 10:54	marko1597	CPPclang++16.0.6	Success	1,508
Aug 16, 2026 10:54	marko1597	CPPclang++16.0.6	Success	1,508
Aug 16, 2026 10:54	marko1597	CPPclang++16.0.6	Success	1,508
Aug 16, 2026 10:41	marko1597	CPPclang++16.0.6	Success	1,506+8.81 RP
Aug 16, 2026 10:40	marko1597	CPPclang++16.0.6	Success	1,509
Aug 16, 2026 10:40	marko1597	CPPclang++16.0.6	Success	1,508+8.78 RP
Aug 16, 2026 10:40	marko1597	CPPclang++16.0.6	Success	1,510+21.86 RP
Aug 16, 2026 10:39	marko1597	CPPclang++16.0.6	Success	1,524
Aug 16, 2026 10:39	marko1597	CPPclang++16.0.6	Success	1,524
Aug 16, 2026 10:39	marko1597	CPPclang++16.0.6	Success	1,524
Aug 16, 2026 10:31	marko1597	CPPclang++16.0.6	Success	1,523
Aug 16, 2026 10:31	marko1597	CPPclang++16.0.6	Success	1,543
Aug 16, 2026 10:30	marko1597	CPPclang++16.0.6	Success	1,515+34.67 RP
Aug 16, 2026 09:58	marko1597	CPPclang++16.0.6	Success	1,523+4.31 RP
Aug 16, 2026 09:58	marko1597	CPPclang++16.0.6	Success	1,524
Aug 16, 2026 09:58	marko1597	CPPclang++16.0.6	Success	1,524
Aug 16, 2026 09:58	marko1597	CPPclang++14.0.6	Success	1,535
Aug 16, 2026 09:39	marko1597	CPPclang++15.0.7	Success	1,538
Aug 16, 2026 09:39	marko1597	CPPclang++16.0.6	Success	1,524+55.50 RP
Aug 16, 2026 09:39	marko1597	CPPclang++17.0.6	Success	1,548
Aug 16, 2026 09:16	marko1597	CPPclang++19.1.1	Success	1,539
Aug 16, 2026 09:16	marko1597	CPPg++13.3.0	Success	1,700
Aug 16, 2026 09:16	marko1597	CPPg++14.2.0	Success	1,800
Aug 16, 2026 08:42	marko1597	CPPclang++18.1.3	Success	1,539
Aug 16, 2026 08:42	marko1597	CPPclang++19.1.1	Success	1,540
Aug 16, 2026 08:21	Victor Mercklé	CPPg++14.2.0	Success	2,937
Aug 16, 2026 08:09	marko1597	CPPclang++19.1.1	Success	1,540
Aug 16, 2026 08:09	marko1597	CPPclang++19.1.1	Success	1,539
Aug 16, 2026 08:08	marko1597	CPPclang++19.1.1	Success	1,538
Aug 16, 2026 08:08	marko1597	CPPclang++19.1.1	Success	1,539
Aug 16, 2026 08:06	Victor Mercklé	CPPg++14.2.0	Success	1,684
Aug 16, 2026 07:50	marko1597	CPPclang++18.1.3	Success	1,547
Aug 16, 2026 07:50	marko1597	CPPclang++19.1.1	Success	1,540
Aug 16, 2026 07:24	marko1597	CPPclang++19.1.1	Success	1,541
Aug 16, 2026 07:24	marko1597	CPPclang++19.1.1	Success	1,538
Aug 16, 2026 07:24	marko1597	CPPclang++19.1.1	Success	1,540
Aug 16, 2026 07:23	marko1597	CPPclang++19.1.1	Success	1,540
Aug 16, 2026 07:09	marko1597	CPPclang++19.1.1	Success	1,540
Aug 16, 2026 07:09	marko1597	CPPclang++19.1.1	Success	1,537+4.23 RP
Aug 16, 2026 07:09	marko1597	CPPclang++19.1.1	Success	1,538+8.44 RP
Aug 16, 2026 07:08	marko1597	CPPclang++19.1.1	Success	1,541
Aug 16, 2026 06:33	Victor Mercklé	CPPg++14.2.0	Success	1,650
Aug 16, 2026 06:28	Victor Mercklé	CPPg++14.2.0	Success	1,617
Aug 16, 2026 06:23	Victor Mercklé	CPPg++14.2.0	Success	1,617
Aug 16, 2026 06:18	Victor Mercklé	CPPg++14.2.0	Success	1,616+7.65 RP
Aug 16, 2026 06:08	Victor Mercklé	CPPg++14.2.0	Success	1,618+7.63 RP
Aug 16, 2026 05:56	Victor Mercklé	CPPg++14.2.0	Success	1,755
Aug 16, 2026 05:47	Victor Mercklé	CPPg++14.2.0	Success	1,653
Aug 16, 2026 05:32	Victor Mercklé	CPPg++14.2.0	Success	1,641
Aug 16, 2026 04:55	Victor Mercklé	CPPg++14.2.0	Success	1,620+11.41 RP
Aug 16, 2026 04:49	Victor Mercklé	CPPg++14.2.0	Success	1,705
Aug 16, 2026 04:42	Victor Mercklé	CPPg++14.2.0	Success	1,656
Aug 16, 2026 04:26	Victor Mercklé	CPPg++14.2.0	Success	1,623+78.70 RP
Aug 16, 2026 04:21	Victor Mercklé	CPPg++14.2.0	Success	2,493
Aug 16, 2026 03:30	Victor Mercklé	CPPg++14.2.0	Success	1,665
Aug 16, 2026 03:25	Victor Mercklé	CPPg++14.2.0	Success	1,651
Aug 16, 2026 03:17	Victor Mercklé	CPPg++14.2.0	Success	1,754
Aug 16, 2026 03:07	Victor Mercklé	CPPg++14.2.0	Success	1,749
Aug 16, 2026 02:30	Victor Mercklé	CPPg++14.2.0	Success	1,663
Aug 16, 2026 02:25	Victor Mercklé	CPPg++14.2.0	Success	1,649
Aug 16, 2026 02:20	Victor Mercklé	CPPg++14.2.0	Success	1,644+29.46 RP
Aug 16, 2026 02:14	Victor Mercklé	CPPg++14.2.0	Success	1,793
Aug 16, 2026 02:09	Victor Mercklé	CPPg++14.2.0	Success	1,652+10.97 RP
Aug 16, 2026 02:01	Victor Mercklé	CPPg++14.2.0	Success	2,480
Aug 16, 2026 01:53	Victor Mercklé	CPPg++14.2.0	Success	1,655+10.93 RP
Aug 16, 2026 01:46	Victor Mercklé	CPPg++14.2.0	Success	1,658+18.13 RP
Aug 16, 2026 01:35	Victor Mercklé	CPPg++14.2.0	Success	2,405
Aug 16, 2026 01:29	Victor Mercklé	CPPg++14.2.0	Success	2,581

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