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.

Back to listApr 5, 2026 08:45

Taylor DettlingScore: 3,444Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Apr 5, 2026 08:10	3,433	226,193,067	173,705,000	21,962,000	250,048,512
2	Apr 5, 2026 08:45	3,437	217,796,387	175,914,000	19,990,000	250,155,008
3	Apr 5, 2026 08:51	3,438	217,575,625	175,987,000	19,998,000	250,150,912
4	Apr 5, 2026 08:45	3,438	226,215,899	173,090,000	22,879,000	250,077,184
5	Apr 5, 2026 08:10	3,439	225,896,576	175,033,000	21,004,000	250,109,952
6	Apr 5, 2026 08:45	3,439	228,769,915	175,038,000	21,004,000	250,011,648
7	Apr 5, 2026 08:48	3,439	224,007,123	173,134,000	22,885,000	250,040,320
8	Apr 5, 2026 08:10	3,440	228,828,033	176,088,000	20,010,000	250,064,896
9	Apr 5, 2026 08:51	3,440	221,117,165	172,197,000	23,888,000	250,052,608
10	Apr 5, 2026 08:45	3,442	224,658,913	173,309,000	22,908,000	250,204,160
11	Apr 5, 2026 08:10	3,443	223,011,599	175,209,000	21,025,000	250,089,472
12	Apr 5, 2026 08:51	3,443	221,337,764	175,352,000	20,922,000	250,007,552
13	Apr 5, 2026 08:51	3,443	222,719,472	176,345,000	19,926,000	250,044,416
14	Apr 5, 2026 08:51	3,444	223,319,189	174,404,000	21,925,000	250,028,032
15	Apr 5, 2026 08:51	3,444	226,900,972	177,298,000	19,032,000	250,052,608
16	Apr 5, 2026 08:53	3,444	222,405,778	174,362,000	21,919,000	250,126,336
17	Apr 5, 2026 08:10	3,444	222,957,009	171,418,000	24,915,000	250,077,184
18	Apr 5, 2026 08:53	3,445	221,435,815	175,415,000	20,930,000	250,056,704
19	Apr 5, 2026 08:51	3,446	221,292,930	174,466,000	21,932,000	250,064,896
20	Apr 5, 2026 08:45	3,446	221,499,441	175,486,000	20,938,000	250,134,528
21	Apr 5, 2026 08:45	3,446	228,753,005	173,480,000	22,931,000	250,048,512
22	Apr 5, 2026 08:48	3,446	229,024,606	177,363,000	19,039,000	250,159,104
23	Apr 5, 2026 08:48	3,446	221,344,198	173,484,000	22,931,000	250,064,896
24	Apr 5, 2026 08:10	3,446	227,906,499	174,465,000	21,932,000	250,032,128
25	Apr 5, 2026 08:51	3,447	224,884,896	175,512,000	20,941,000	250,068,992
26	Apr 5, 2026 08:53	3,447	227,971,356	173,559,000	22,941,000	250,093,568
27	Apr 5, 2026 08:10	3,447	230,108,680	174,557,000	21,944,000	250,056,704
28	Apr 5, 2026 08:10	3,447	219,747,576	174,521,000	21,939,000	250,056,704
29	Apr 5, 2026 08:45	3,448	222,281,893	173,592,000	22,946,000	250,097,664
30	Apr 5, 2026 08:45	3,448	225,282,655	175,564,000	20,948,000	250,068,992
31	Apr 5, 2026 08:51	3,448	225,062,351	174,610,000	21,951,000	250,023,936
32	Apr 5, 2026 08:45	3,450	222,068,858	173,694,000	22,959,000	250,232,832
33	Apr 5, 2026 08:10	3,451	226,652,023	174,750,000	21,968,000	250,105,856

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