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
Nov 4, 2026 13:56	C21	CPPclang++20.1.2	Success	3,530+715.11 RP
Nov 4, 2026 08:10	C21	CPPclang++20.1.2	Success	4,722+502.50 RP
Nov 4, 2026 08:06	C21	CPPclang++20.1.2	Success	34,589+5.00 RP
Nov 3, 2026 19:23	C21	CPPclang++20.1.2	Success	6,191+1'615.25 RP
Nov 3, 2026 01:18	Andrew Epstein	CPPclang++20.1.2	Success	14,749
Nov 3, 2026 00:45	Andrew Epstein	CPPclang++20.1.2	Success	18,793
Nov 3, 2026 00:34	Andrew Epstein	CPPclang++20.1.2	Success	19,592
Nov 3, 2026 00:17	Andrew Epstein	CPPclang++20.1.2	Success	17,641
Nov 3, 2026 00:10	Andrew Epstein	CPPclang++20.1.2	Success	1,354+118.08 RP
Nov 2, 2026 23:59	Andrew Epstein	CPPclang++20.1.2	Success	17,796
Nov 2, 2026 23:50	Andrew Epstein	CPPclang++20.1.2	Success	18,069
Nov 2, 2026 23:46	Andrew Epstein	CPPclang++20.1.2	Success	18,380
Nov 2, 2026 23:40	Andrew Epstein	CPPclang++20.1.2	Success	18,253
Nov 2, 2026 23:26	Andrew Epstein	CPPclang++20.1.2	Success	19,119
Nov 2, 2026 23:25	Andrew Epstein	CPPclang++20.1.2	Error
Nov 2, 2026 22:33	Andrew Epstein	CPPclang++20.1.2	Success	18,921
Nov 2, 2026 22:24	Andrew Epstein	CPPclang++20.1.2	Success	18,297
Nov 2, 2026 22:02	Andrew Epstein	CPPclang++20.1.2	Success	32,632
Nov 2, 2026 21:51	Andrew Epstein	CPPclang++20.1.2	Success	29,559
Nov 2, 2026 21:31	Andrew Epstein	CPPclang++20.1.2	Success	19,986
Nov 2, 2026 21:14	Andrew Epstein	CPPclang++20.1.2	Error
Nov 2, 2026 21:07	Andrew Epstein	CPPclang++20.1.2	Success	18,632
Nov 2, 2026 20:58	Andrew Epstein	CPPclang++20.1.2	Success	19,041
Nov 2, 2026 20:43	Andrew Epstein	CPPclang++20.1.2	Success	19,020
Nov 2, 2026 20:38	Andrew Epstein	CPPclang++20.1.2	Success	22,815
Nov 2, 2026 20:33	Andrew Epstein	CPPclang++20.1.2	Success	18,472
Nov 2, 2026 20:28	Andrew Epstein	CPPclang++20.1.2	Success	18,949
Nov 2, 2026 20:17	Andrew Epstein	CPPclang++20.1.2	Success	19,462
Nov 2, 2026 19:39	Andrew Epstein	CPPclang++20.1.2	Success	31,246
Nov 2, 2026 19:28	Andrew Epstein	CPPclang++20.1.2	Success	36,714
Nov 2, 2026 19:10	Andrew Epstein	CPPclang++20.1.2	Success	34,800
Nov 2, 2026 18:59	Andrew Epstein	CPPclang++20.1.2	Success	18,181
Nov 2, 2026 18:49	Andrew Epstein	CPPclang++20.1.2	Success	1,376+73.20 RP
Nov 2, 2026 18:45	Andrew Epstein	CPPclang++20.1.2	Success	13,773
Nov 2, 2026 18:40	Andrew Epstein	CPPclang++20.1.2	Success	17,013
Nov 2, 2026 18:36	Andrew Epstein	CPPclang++20.1.2	Success	22,780
Nov 2, 2026 18:23	Andrew Epstein	CPPclang++20.1.2	Success	19,206
Nov 2, 2026 18:20	Andrew Epstein	CPPclang++20.1.2	Success	13,242
Nov 2, 2026 18:01	Andrew Epstein	CPPclang++20.1.2	Success	2,758
Nov 2, 2026 17:43	Andrew Epstein	CPPclang++20.1.2	Success	38,039
Nov 2, 2026 17:35	Andrew Epstein	CPPclang++20.1.2	Success	1,402
Nov 2, 2026 17:28	Andrew Epstein	CPPclang++20.1.2	Error
Nov 2, 2026 17:15	Andrew Epstein	CPPclang++20.1.2	Success	31,364
Nov 2, 2026 16:51	Andrew Epstein	CPPclang++20.1.2	Success	45,498
Nov 2, 2026 16:43	Andrew Epstein	CPPclang++20.1.2	Success	53,972
Nov 2, 2026 16:39	Andrew Epstein	CPPclang++20.1.2	Success	59,725
Nov 2, 2026 16:25	Andrew Epstein	CPPclang++20.1.2	Success	21,153
Nov 2, 2026 16:21	Andrew Epstein	CPPclang++20.1.2	Success	19,725
Nov 2, 2026 16:01	Andrew Epstein	CPPg++14.2.0	Success	1,564
Nov 2, 2026 15:59	Andrew Epstein	CPPclang++20.1.2	Success	1,640
Nov 2, 2026 15:54	Andrew Epstein	CPPclang++20.1.2	Success	13,287
Nov 2, 2026 15:51	Andrew Epstein	CPPclang++20.1.2	Success	24,020
Nov 2, 2026 15:47	Andrew Epstein	CPPclang++20.1.2	Success	12,439
Nov 2, 2026 15:34	Andrew Epstein	CPPclang++20.1.2	Success	23,562
Nov 2, 2026 15:31	Andrew Epstein	CPPclang++20.1.2	Success	15,703
Nov 2, 2026 15:26	Andrew Epstein	CPPclang++20.1.2	Success	37,411
Nov 2, 2026 15:23	Andrew Epstein	CPPclang++20.1.2	Success	1,680
Nov 2, 2026 15:17	Andrew Epstein	CPPclang++20.1.2	Success	47,944
Nov 2, 2026 15:13	Andrew Epstein	CPPclang++20.1.2	Success	49,609
Nov 2, 2026 15:09	Andrew Epstein	CPPclang++20.1.2	Success	1,770
Nov 2, 2026 15:02	Andrew Epstein	CPPclang++20.1.2	Success	1,805
Nov 1, 2026 07:07	Md Nafis Ul Haque Shifat	CPPg++10.5.0	Error
Oct 30, 2026 11:30	Sergio Martins	CPPclang++20.1.2	Success	34,636
Oct 30, 2026 11:15	Sergio Martins	CPPclang++20.1.2	Success	2,266
Oct 30, 2026 10:39	Sergio Martins	CPPclang++20.1.2	Success	12,442
Oct 30, 2026 10:28	Sergio Martins	CPPclang++20.1.2	Success	1,912
Oct 30, 2026 01:11	Sergio Martins	CPPclang++20.1.2	Success	1,925
Oct 30, 2026 00:58	Sergio Martins	CPPclang++20.1.2	Success	1,909+1'428.82 RP
Oct 30, 2026 00:23	Sergio Martins	CPPg++10.5.0	Success	2,888
Oct 30, 2026 00:15	Sergio Martins	CPPg++10.5.0	Success	20,420
Oct 30, 2026 00:03	Sergio Martins	CPPclang++20.1.2	Success	20,139
Oct 29, 2026 23:52	Sergio Martins	CPPclang++20.1.2	Success	2,625+3'809.52 RP
Oct 26, 2026 19:37	zayd-ansari-code	CPPg++10.5.0	Success	8,180+4.62 RP
Oct 24, 2026 21:36	zayd-ansari-code	CPPg++10.5.0	Success	8,211+11.02 RP
Oct 24, 2026 21:27	zayd-ansari-code	CPPg++10.5.0	Success	8,347
Oct 24, 2026 21:19	zayd-ansari-code	CPPg++10.5.0	Success	8,920
Oct 24, 2026 21:14	zayd-ansari-code	CPPg++10.5.0	Error
Oct 24, 2026 05:35	zayd-ansari-code	CPPg++10.5.0	Success	8,286+796.93 RP
Oct 24, 2026 05:31	zayd-ansari-code	CPPg++10.5.0	Error
Oct 21, 2026 14:03	highload-churner	CPPclang++18.1.3	Success	920+94.10 RP
Oct 21, 2026 13:36	highload-churner	CPPclang++18.1.3	Success	924+300.30 RP
Oct 21, 2026 06:02	highload-churner	CPPclang++18.1.3	Success	937+90.74 RP
Oct 21, 2026 05:58	highload-churner	CPPclang++18.1.3	Error
Oct 21, 2026 04:08	highload-churner	CPPclang++18.1.3	Success	941+485.56 RP
Oct 21, 2026 02:46	highload-churner	CPPclang++18.1.3	Success	963+566.42 RP
Oct 20, 2026 23:56	e1011	CPPg++10.5.0	Success	4,871
Oct 19, 2026 19:34	e1011	CPPg++10.5.0	Success	4,562+101.72 RP
Oct 19, 2026 19:27	e1011	CPPg++10.5.0	Success	4,821
Oct 19, 2026 19:10	e1011	CPPg++10.5.0	Success	4,784+602.21 RP
Oct 19, 2026 19:09	e1011	CPPg++10.5.0	Success	6,853
Oct 19, 2026 19:04	e1011	CPPg++10.5.0	Success	6,848
Oct 19, 2026 19:02	e1011	CPPg++10.5.0	Success	7,306
Oct 19, 2026 19:02	e1011	CPPg++10.5.0	Success	6,720+0.44 RP
Oct 19, 2026 18:56	e1011	CPPg++10.5.0	Error
Oct 19, 2026 08:29	e1011	CPPg++10.5.0	Error
Oct 19, 2026 08:29	e1011	CPPg++10.5.0	Success	6,853
Oct 19, 2026 08:27	e1011	CPPg++10.5.0	Error
Oct 19, 2026 08:26	e1011	CPPg++10.5.0	Error
Oct 19, 2026 08:19	e1011	CPPg++10.5.0	Success	7,097
Oct 19, 2026 08:18	e1011	CPPg++10.5.0	Success	6,767

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