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
Sep 21, 2026 01:46	Andrew Epstein	CPPclang++20.1.2	Success	19,981
Sep 21, 2026 01:41	Andrew Epstein	CPPclang++20.1.2	Success	19,848
Sep 21, 2026 01:03	Andrew Epstein	CPPclang++20.1.2	Success	9,998
Sep 21, 2026 01:01	Andrew Epstein	CPPclang++20.1.2	Success	1,390+46.28 RP
Sep 21, 2026 01:00	Andrew Epstein	CPPclang++20.1.2	Success	1,399+100.75 RP
Sep 21, 2026 00:59	Andrew Epstein	CPPclang++20.1.2	Success	1,431
Sep 21, 2026 00:55	Andrew Epstein	CPPclang++20.1.2	Success	1,419+9.92 RP
Sep 21, 2026 00:53	Andrew Epstein	CPPclang++20.1.2	Success	1,423
Sep 21, 2026 00:46	Andrew Epstein	CPPclang++20.1.2	Success	17,019
Sep 21, 2026 00:43	Andrew Epstein	CPPclang++20.1.2	Success	17,249
Sep 21, 2026 00:25	Andrew Epstein	CPPg++14.2.0	Success	18,456
Sep 21, 2026 00:25	Andrew Epstein	CPPclang++20.1.2	Success	17,865
Sep 21, 2026 00:16	Andrew Epstein	CPPclang++20.1.2	Success	1,421+154.99 RP
Sep 21, 2026 00:11	Andrew Epstein	CPPclang++20.1.2	Success	17,449
Sep 21, 2026 00:04	Andrew Epstein	CPPclang++20.1.2	Success	16,967
Sep 20, 2026 23:38	Andrew Epstein	CPPclang++20.1.2	Success	20,557
Sep 20, 2026 23:28	Andrew Epstein	CPPclang++20.1.2	Success	23,136
Sep 20, 2026 23:22	Andrew Epstein	CPPclang++20.1.2	Success	17,269
Sep 20, 2026 22:06	Andrew Epstein	CPPclang++20.1.2	Success	1,528
Sep 20, 2026 22:06	Andrew Epstein	CPPclang++20.1.2	Success	20,934
Sep 20, 2026 22:00	Andrew Epstein	CPPclang++20.1.2	Success	17,199
Sep 20, 2026 21:53	Andrew Epstein	CPPclang++20.1.2	Success	57,806
Sep 20, 2026 21:45	Andrew Epstein	CPPclang++20.1.2	Success	1,453+51.71 RP
Sep 20, 2026 21:38	Andrew Epstein	CPPclang++20.1.2	Success	18,120
Sep 20, 2026 21:34	Andrew Epstein	CPPclang++20.1.2	Success	1,464+553.14 RP
Sep 20, 2026 21:28	Andrew Epstein	CPPclang++20.1.2	Success	36,412
Sep 20, 2026 21:25	Andrew Epstein	CPPclang++20.1.2	Success	21,620
Sep 20, 2026 21:21	Andrew Epstein	CPPclang++20.1.2	Success	15,449
Sep 20, 2026 21:18	Andrew Epstein	CPPclang++20.1.2	Success	20,730
Sep 20, 2026 21:14	Andrew Epstein	CPPclang++20.1.2	Success	22,939
Sep 20, 2026 21:12	Andrew Epstein	CPPclang++20.1.2	Success	16,136
Sep 20, 2026 21:07	Andrew Epstein	CPPclang++20.1.2	Success	15,338
Sep 20, 2026 21:03	Andrew Epstein	CPPclang++20.1.2	Success	23,021
Sep 20, 2026 20:58	Andrew Epstein	CPPclang++20.1.2	Success	26,403
Sep 20, 2026 20:42	Andrew Epstein	CPPclang++20.1.2	Success	1,593+408.92 RP
Sep 20, 2026 20:38	Andrew Epstein	CPPclang++20.1.2	Success	24,903
Sep 20, 2026 20:36	Andrew Epstein	CPPclang++20.1.2	Success	31,148
Sep 20, 2026 20:34	Andrew Epstein	CPPclang++20.1.2	Success	39,344
Sep 20, 2026 20:31	Andrew Epstein	CPPclang++20.1.2	Success	20,266
Sep 20, 2026 20:27	Andrew Epstein	CPPclang++20.1.2	Success	31,689
Sep 20, 2026 20:19	Andrew Epstein	CPPclang++20.1.2	Success	20,242
Sep 20, 2026 20:12	Andrew Epstein	CPPclang++20.1.2	Success	32,171
Sep 20, 2026 20:08	Andrew Epstein	CPPclang++20.1.2	Success	25,296
Sep 20, 2026 20:02	Andrew Epstein	CPPclang++20.1.2	Success	20,627
Sep 20, 2026 19:53	Andrew Epstein	CPPg++14.2.0	Success	33,091
Sep 20, 2026 19:52	Andrew Epstein	CPPclang++20.1.2	Success	33,875
Sep 20, 2026 19:45	Andrew Epstein	CPPclang++20.1.2	Success	1,704+602.62 RP
Sep 20, 2026 19:41	Andrew Epstein	CPPclang++20.1.2	Success	26,918
Sep 20, 2026 19:34	Andrew Epstein	CPPclang++20.1.2	Success	1,899+406.84 RP
Sep 20, 2026 19:26	Andrew Epstein	CPPclang++20.1.2	Success	10,063
Sep 20, 2026 19:17	Andrew Epstein	CPPclang++20.1.2	Success	36,059
Sep 20, 2026 19:12	Andrew Epstein	CPPclang++20.1.2	Success	27,536
Sep 20, 2026 19:04	Andrew Epstein	CPPclang++20.1.2	Success	34,556
Sep 20, 2026 18:35	Andrew Epstein	CPPclang++20.1.2	Success	78,350
Sep 20, 2026 18:29	Andrew Epstein	CPPclang++20.1.2	Success	2,058+7.07 RP
Sep 20, 2026 18:06	Andrew Epstein	CPPclang++20.1.2	Success	2,061+571.19 RP
Sep 20, 2026 18:04	Andrew Epstein	CPPclang++20.1.2	Success	53,775
Sep 20, 2026 17:59	Andrew Epstein	CPPclang++20.1.2	Success	64,882
Sep 20, 2026 17:52	Andrew Epstein	CPPclang++20.1.2	Success	56,881
Sep 20, 2026 17:47	Andrew Epstein	CPPclang++20.1.2	Success	44,543
Sep 20, 2026 17:41	Andrew Epstein	CPPclang++20.1.2	Success	38,168
Sep 20, 2026 17:36	Andrew Epstein	CPPclang++20.1.2	Success	41,435
Sep 20, 2026 17:30	Andrew Epstein	CPPclang++20.1.2	Success	2,336+235.51 RP
Sep 20, 2026 17:22	Andrew Epstein	CPPclang++20.1.2	Success	40,506
Sep 20, 2026 17:11	Andrew Epstein	CPPclang++20.1.2	Success	31,490
Sep 20, 2026 17:07	Andrew Epstein	CPPclang++20.1.2	Success	2,902
Sep 19, 2026 13:28	Andrew Epstein	CPPg++14.2.0	Success	2,647
Sep 19, 2026 13:23	Andrew Epstein	CPPg++14.2.0	Success	9,447
Sep 15, 2026 22:38	Josu San Martin	CPPclang++16.0.6	Success	4,015
Sep 15, 2026 21:47	Josu San Martin	CPPclang++16.0.6	Success	2,912
Sep 15, 2026 20:53	Josu San Martin	CPPclang++16.0.6	Success	2,799
Sep 15, 2026 19:30	Josu San Martin	CPPclang++16.0.6	Success	3,092
Sep 15, 2026 18:49	Josu San Martin	CPPclang++16.0.6	Success	2,949
Sep 15, 2026 18:12	Josu San Martin	CPPclang++16.0.6	Success	3,458
Sep 15, 2026 17:56	Josu San Martin	CPPclang++16.0.6	Success	2,797+1.28 RP
Sep 15, 2026 17:35	Josu San Martin	CPPclang++16.0.6	Success	2,859
Sep 15, 2026 17:24	Josu San Martin	CPPclang++16.0.6	Success	2,834
Sep 15, 2026 17:09	Josu San Martin	CPPclang++16.0.6	Success	3,455
Sep 15, 2026 15:41	Josu San Martin	CPPclang++16.0.6	Success	3,895
Sep 15, 2026 15:04	Josu San Martin	CPPclang++16.0.6	Success	3,288
Sep 15, 2026 13:10	Josu San Martin	CPPclang++16.0.6	Success	2,798+351.29 RP
Sep 15, 2026 03:09	Josu San Martin	CPPclang++20.1.2	Success	3,176
Sep 10, 2026 02:50	Andrew Epstein	CPPclang++20.1.2	Success	2,472+245.92 RP
Sep 10, 2026 02:47	Andrew Epstein	CPPg++14.2.0	Success	3,929
Sep 4, 2026 10:15	Victor Mercklé	CPPg++14.2.0	Success	1,114
Sep 4, 2026 10:11	Victor Mercklé	CPPg++14.2.0	Success	2,737
Sep 4, 2026 09:12	Victor Mercklé	CPPg++14.2.0	Success	1,112+16.15 RP
Sep 4, 2026 08:49	Victor Mercklé	CPPg++14.2.0	Success	1,114+235.40 RP
Sep 4, 2026 08:33	Victor Mercklé	CPPg++14.2.0	Success	1,457
Sep 4, 2026 08:06	Victor Mercklé	CPPg++14.2.0	Error
Sep 4, 2026 07:43	Victor Mercklé	CPPg++14.2.0	Error
Sep 4, 2026 06:27	Victor Mercklé	CPPg++14.2.0	Success	1,413
Sep 4, 2026 06:22	Victor Mercklé	CPPg++14.2.0	Success	1,406
Sep 4, 2026 05:55	Victor Mercklé	CPPg++14.2.0	Success	1,293
Sep 4, 2026 05:38	Victor Mercklé	CPPg++14.2.0	Success	1,145
Sep 3, 2026 21:19	Victor Mercklé	CPPg++14.2.0	Success	1,270
Sep 3, 2026 21:06	Victor Mercklé	CPPg++14.2.0	Success	1,212
Sep 3, 2026 20:49	Victor Mercklé	CPPg++14.2.0	Success	1,349
Sep 3, 2026 20:33	Victor Mercklé	CPPg++14.2.0	Success	1,289
Sep 3, 2026 20:27	Victor Mercklé	CPPg++14.2.0	Success	1,224

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