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
Jun 27, 2026 23:58	Shikhar Soni	CPPclang++18.1.3	Success	7,807+2.13 RP
Jun 27, 2026 23:55	Shikhar Soni	CPPclang++20.1.2	Success	7,896
Jun 27, 2026 23:53	Shikhar Soni	CPPclang++18.1.3	Success	7,820+40.08 RP
Jun 27, 2026 23:51	Shikhar Soni	CPPclang++18.1.3	Success	8,073+71.15 RP
Jun 27, 2026 23:38	Shikhar Soni	CPPg++14.2.0	Success	19,692
Jun 27, 2026 23:33	Shikhar Soni	CPPg++14.2.0	Success	8,565+1'167.54 RP
Jun 27, 2026 08:48	Victor Mercklé	CSHARP10.0.7	Success	2,157+117.32 RP
Jun 27, 2026 08:24	Victor Mercklé	CSHARP10.0.7	Success	2,213+252.54 RP
Jun 27, 2026 07:48	Victor Mercklé	ZIG0.16.0	Success	2,126+408.14 RP
Jun 27, 2026 06:47	Victor Mercklé	RUSTrust-1.95.0	Success	2,120+402.92 RP
Jun 27, 2026 06:18	Victor Mercklé	GOgo1.26.2	Success	2,161+373.98 RP
Jun 26, 2026 19:15	A_Shaman	CPPg++10.5.0	Success	8,248
Jun 26, 2026 19:10	A_Shaman	CPPg++10.5.0	Success	10,240
Jun 26, 2026 19:05	A_Shaman	CPPg++10.5.0	Success	8,190
Jun 26, 2026 19:00	A_Shaman	CPPg++10.5.0	Success	7,713
Jun 26, 2026 18:55	A_Shaman	CPPg++10.5.0	Success	7,334
Jun 26, 2026 15:37	Osnaga Octavian-Alexandru	CPPg++10.5.0	Error
Jun 26, 2026 15:34	Osnaga Octavian-Alexandru	CPPg++10.5.0	Error
Jun 23, 2026 22:43	anboto1	CPPg++14.2.0	Success	5,116
Jun 23, 2026 22:41	anboto1	CPPg++14.2.0	Success	4,780+42.03 RP
Jun 23, 2026 22:34	anboto1	CPPg++14.2.0	Success	4,878+31.04 RP
Jun 23, 2026 22:32	anboto1	CPPg++14.2.0	Success	5,114
Jun 23, 2026 22:28	anboto1	CPPg++14.2.0	Success	4,953+142.45 RP
Jun 23, 2026 22:21	anboto1	CPPg++14.2.0	Success	6,442
Jun 23, 2026 22:15	anboto1	CPPg++14.2.0	Success	5,435
Jun 23, 2026 22:14	anboto1	CPPg++14.2.0	Success	5,329+48.37 RP
Jun 23, 2026 22:12	anboto1	CPPg++14.2.0	Success	6,293
Jun 23, 2026 22:05	anboto1	CPPg++14.2.0	Success	6,445
Jun 23, 2026 22:03	anboto1	CPPg++14.2.0	Success	5,470+77.15 RP
Jun 23, 2026 22:00	anboto1	CPPg++14.2.0	Success	9,297
Jun 23, 2026 21:57	anboto1	CPPg++14.2.0	Success	12,152
Jun 23, 2026 21:57	anboto1	CPPg++14.2.0	Success	12,146
Jun 23, 2026 21:52	anboto1	CPPg++14.2.0	Success	9,649
Jun 23, 2026 21:47	anboto1	CPPg++14.2.0	Success	5,711+1'751.01 RP
Jun 23, 2026 21:12	anboto1	CPPg++14.2.0	Error
Jun 21, 2026 16:43	A_Shaman	CPPg++10.5.0	Success	7,951
Jun 21, 2026 16:38	A_Shaman	CPPg++10.5.0	Success	9,134
Jun 21, 2026 16:35	A_Shaman	CPPg++10.5.0	Error
Jun 21, 2026 16:32	A_Shaman	CPPg++10.5.0	Success	8,774
Jun 21, 2026 16:28	A_Shaman	CPPg++10.5.0	Success	7,973
Jun 21, 2026 16:25	A_Shaman	CPPg++10.5.0	Success	17,409
Jun 21, 2026 16:21	A_Shaman	CPPg++10.5.0	Success	9,065
Jun 21, 2026 16:17	A_Shaman	CPPg++10.5.0	Success	10,654
Jun 21, 2026 16:12	A_Shaman	CPPg++10.5.0	Success	8,590
Jun 21, 2026 16:07	A_Shaman	CPPg++10.5.0	Success	8,523
Jun 20, 2026 16:34	A_Shaman	CPPg++10.5.0	Success	7,193
Jun 20, 2026 16:30	A_Shaman	CPPg++10.5.0	Success	7,525
Jun 20, 2026 16:26	A_Shaman	CPPg++10.5.0	Success	9,423
Jun 20, 2026 16:23	A_Shaman	CPPg++10.5.0	Success	7,259
Jun 20, 2026 16:19	A_Shaman	CPPg++10.5.0	Success	6,325+277.93 RP
Jun 20, 2026 12:17	Victor Mercklé	CPPg++14.2.0	Success	2,114
Jun 20, 2026 12:12	Victor Mercklé	CPPg++14.2.0	Success	2,112+4.48 RP
Jun 20, 2026 12:07	Victor Mercklé	CPPg++14.2.0	Success	2,133
Jun 20, 2026 12:02	Victor Mercklé	CPPg++14.2.0	Success	2,114
Jun 20, 2026 11:57	Victor Mercklé	CPPg++14.2.0	Success	2,153
Jun 20, 2026 11:51	Victor Mercklé	CPPg++14.2.0	Success	2,117
Jun 20, 2026 11:34	A_Shaman	CPPg++10.5.0	Success	10,033
Jun 20, 2026 11:31	A_Shaman	CPPg++10.5.0	Success	7,923
Jun 20, 2026 11:28	A_Shaman	CPPg++10.5.0	Error
Jun 20, 2026 11:24	A_Shaman	CPPg++10.5.0	Success	7,674+75.05 RP
Jun 20, 2026 11:22	A_Shaman	CPPg++10.5.0	Success	8,143+1'228.05 RP
Jun 20, 2026 07:42	A_Shaman	CPPg++10.5.0	Error
Jun 20, 2026 00:03	Victor Mercklé	CPPg++14.2.0	Success	2,113+22.34 RP
Jun 19, 2026 23:58	Victor Mercklé	CPPg++14.2.0	Success	2,118+35.54 RP
Jun 19, 2026 23:53	Victor Mercklé	CPPg++14.2.0	Success	2,146
Jun 19, 2026 23:48	Victor Mercklé	CPPg++14.2.0	Success	2,234
Jun 19, 2026 23:43	Victor Mercklé	CPPg++14.2.0	Success	2,126+190.74 RP
Jun 19, 2026 23:38	Victor Mercklé	CPPg++14.2.0	Success	2,170+104.98 RP
Jun 19, 2026 23:33	Victor Mercklé	CPPg++14.2.0	Success	2,211
Jun 19, 2026 23:27	Victor Mercklé	CPPg++14.2.0	Success	2,198
Jun 19, 2026 23:22	Victor Mercklé	CPPg++14.2.0	Success	2,243
Jun 19, 2026 23:17	Victor Mercklé	CPPg++14.2.0	Success	2,206
Jun 19, 2026 23:12	Victor Mercklé	CPPg++14.2.0	Success	2,195+238.50 RP
Jun 19, 2026 23:02	Victor Mercklé	CPPg++14.2.0	Success	2,254+211.36 RP
Jun 19, 2026 14:02	Victor Mercklé	CPPg++14.2.0	Success	2,315+5.00 RP
Jun 15, 2026 12:48	Victor Mercklé	CPPg++14.2.0	Success	9,076
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

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