Count uint8

Count the number of bytes equal to 127 in a binary stream as fast as possible.

Input: 250 000 000 uint8 values in binary on STDIN.

Output: The count of elements equal to 127, printed as a decimal string.

Restrictions:30s512Mb 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 2, 2026 22:52	Ahmed Mhedhbi	CPPg++14.2.0	Success	6,129
Nov 2, 2026 22:50	Ahmed Mhedhbi	CPPg++10.5.0	Success	4,307
Nov 2, 2026 22:49	Ahmed Mhedhbi	CPPg++14.2.0	Success	4,317
Nov 2, 2026 22:47	Ahmed Mhedhbi	CPPg++14.2.0	Success	4,292
Nov 2, 2026 22:46	Ahmed Mhedhbi	CPPg++14.2.0	Success	4,300
Nov 2, 2026 22:45	Ahmed Mhedhbi	CPPg++10.5.0	Success	4,313
Nov 2, 2026 22:44	Ahmed Mhedhbi	CPPg++10.5.0	Success	4,323
Nov 2, 2026 22:40	Ahmed Mhedhbi	CPPg++10.5.0	Success	4,271+2.19 RP
Nov 2, 2026 22:26	Ahmed Mhedhbi	CPPg++10.5.0	Success	4,313
Nov 2, 2026 22:24	Ahmed Mhedhbi	CPPg++10.5.0	Success	4,291
Nov 2, 2026 21:50	Ahmed Mhedhbi	CPPg++14.2.0	Success	4,275+1.09 RP
Nov 2, 2026 21:46	Ahmed Mhedhbi	CPPg++14.2.0	Success	4,277+55.50 RP
Nov 1, 2026 18:11	C21	CPPclang++20.1.2	Success	4,794
Nov 1, 2026 18:11	C21	CPPg++14.2.0	Success	4,662+0.92 RP
Nov 1, 2026 18:03	C21	CPPg++10.5.0	Success	4,836
Oct 29, 2026 20:12	C21	CPPg++14.2.0	Success	5,033
Oct 29, 2026 20:07	C21	CPPg++14.2.0	Success	4,664+33.93 RP
Oct 29, 2026 20:04	C21	CPPclang++20.1.2	Error
Oct 29, 2026 20:04	C21	CPPg++14.2.0	Error
Oct 29, 2026 19:52	C21	CPPclang++20.1.2	Error
Oct 29, 2026 19:52	C21	CPPg++14.2.0	Error
Oct 29, 2026 19:25	C21	CPPg++14.2.0	Success	4,803
Oct 29, 2026 08:20	C21	CPPg++14.2.0	Success	4,739+63.07 RP
Oct 29, 2026 08:18	C21	CPPg++14.2.0	Success	51,001
Oct 26, 2026 23:14	ii14	CPPclang++20.1.2	Success	4,840
Oct 19, 2026 04:17	zayd-ansari-code	CPPg++10.5.0	Success	49,749+201.01 RP
Oct 17, 2026 08:58	Kacpxer	CPPclang++14.0.6	Success	5,429
Oct 17, 2026 08:58	Kacpxer	CPPclang++20.1.2	Success	5,432
Oct 17, 2026 08:58	Kacpxer	CPPg++10.5.0	Success	5,238+1'909.13 RP
Oct 16, 2026 23:00	janwww	ZIG0.15.1	Success	4,459
Oct 16, 2026 21:29	janwww	RUSTrust-1.95.0	Success	4,569
Oct 15, 2026 21:46	izotoff	GOgo1.26.2	Success	5,759+39.20 RP
Oct 15, 2026 21:26	izotoff	GOgo1.27.2	Error
Oct 15, 2026 21:25	izotoff	GOgo1.26.2	Error
Oct 15, 2026 21:21	izotoff	GOgo1.27.2	Success	5,924
Oct 15, 2026 19:44	izotoff	GOgo1.26.2	Success	5,892+34.71 RP
Oct 15, 2026 19:26	izotoff	GOgo1.26.2	Success	39,409
Oct 14, 2026 02:26	Karthik Reddy	CPPclang++18.1.3	Success	3,930
Oct 14, 2026 02:25	Karthik Reddy	CPPclang++18.1.3	Success	3,936
Oct 14, 2026 02:23	Karthik Reddy	CPPclang++18.1.3	Success	3,930
Oct 13, 2026 12:46	highload-churner	CPPg++14.2.0	Success	3,916
Oct 13, 2026 12:45	highload-churner	CPPg++14.2.0	Success	3,915
Oct 13, 2026 12:44	highload-churner	CPPg++14.2.0	Success	3,916
Oct 13, 2026 12:43	highload-churner	CPPg++14.2.0	Success	3,925
Oct 13, 2026 12:41	highload-churner	CPPg++14.2.0	Success	3,921
Oct 13, 2026 12:41	highload-churner	CPPg++14.2.0	Success	3,938
Oct 13, 2026 12:36	highload-churner	CPPg++14.2.0	Success	3,935
Oct 13, 2026 12:33	highload-churner	CPPg++14.2.0	Success	3,930
Oct 13, 2026 12:30	highload-churner	CPPg++14.2.0	Success	3,936
Oct 13, 2026 12:25	highload-churner	CPPg++14.2.0	Success	3,919
Oct 13, 2026 12:20	highload-churner	CPPg++14.2.0	Success	3,911
Oct 13, 2026 12:16	highload-churner	CPPg++14.2.0	Success	3,921
Oct 13, 2026 12:15	highload-churner	CPPg++14.2.0	Success	3,910+2.62 RP
Oct 13, 2026 12:12	highload-churner	CPPg++14.2.0	Success	3,912+1.30 RP
Oct 13, 2026 12:11	highload-churner	CPPg++14.2.0	Success	3,913+2.62 RP
Oct 13, 2026 12:09	highload-churner	CPPg++14.2.0	Success	3,915+6.52 RP
Oct 13, 2026 12:07	highload-churner	CPPg++14.2.0	Success	3,920+3.90 RP
Oct 13, 2026 12:05	highload-churner	CPPg++14.2.0	Success	3,930
Oct 13, 2026 12:01	highload-churner	CPPg++14.2.0	Success	3,931
Oct 13, 2026 12:00	highload-churner	CPPg++14.2.0	Success	3,928
Oct 13, 2026 11:59	highload-churner	CPPg++14.2.0	Success	3,928
Oct 13, 2026 11:59	highload-churner	CPPg++14.2.0	Success	3,939
Oct 13, 2026 11:58	highload-churner	CPPg++14.2.0	Success	3,934
Oct 13, 2026 11:56	highload-churner	CPPg++14.2.0	Success	3,923+1.30 RP
Oct 13, 2026 11:55	highload-churner	CPPg++14.2.0	Success	3,926
Oct 13, 2026 11:54	highload-churner	CPPg++14.2.0	Success	3,924
Oct 13, 2026 11:54	highload-churner	CPPg++14.2.0	Success	3,943
Oct 13, 2026 11:52	highload-churner	CPPg++14.2.0	Success	3,932
Oct 13, 2026 11:50	highload-churner	CPPg++14.2.0	Success	3,925
Oct 13, 2026 11:49	highload-churner	CPPg++14.2.0	Success	3,927
Oct 13, 2026 11:49	highload-churner	CPPg++14.2.0	Success	3,924
Oct 13, 2026 11:47	highload-churner	CPPg++14.2.0	Success	4,767
Oct 13, 2026 11:46	highload-churner	CPPg++14.2.0	Success	3,927
Oct 13, 2026 11:45	highload-churner	CPPg++14.2.0	Success	3,928
Oct 13, 2026 11:44	highload-churner	CPPg++14.2.0	Success	3,926
Oct 13, 2026 11:43	highload-churner	CPPg++14.2.0	Success	3,928
Oct 13, 2026 11:42	highload-churner	CPPg++14.2.0	Success	3,930
Oct 13, 2026 11:40	highload-churner	CPPg++13.3.0	Success	3,940
Oct 13, 2026 11:39	highload-churner	CPPg++14.2.0	Success	3,926
Oct 13, 2026 11:39	highload-churner	CPPg++14.2.0	Success	3,924+1.30 RP
Oct 13, 2026 11:37	highload-churner	CPPclang++20.1.2	Success	3,932
Oct 13, 2026 11:37	highload-churner	CPPg++14.2.0	Success	3,926+0.65 RP
Oct 13, 2026 11:34	highload-churner	CPPclang++18.1.3	Success	3,933
Oct 13, 2026 11:34	highload-churner	CPPclang++18.1.3	Success	3,930
Oct 13, 2026 11:33	highload-churner	CPPclang++18.1.3	Success	3,931
Oct 13, 2026 11:32	highload-churner	CPPclang++18.1.3	Success	7,638
Oct 13, 2026 11:26	highload-churner	CPPclang++18.1.3	Success	63,342
Oct 13, 2026 11:24	highload-churner	CPPclang++18.1.3	Success	3,927+1.30 RP
Oct 13, 2026 11:23	highload-churner	CPPclang++18.1.3	Success	3,931
Oct 13, 2026 11:22	highload-churner	CPPclang++18.1.3	Success	4,085
Oct 13, 2026 11:20	highload-churner	CPPclang++18.1.3	Success	7,649
Oct 13, 2026 11:11	highload-churner	CPPclang++18.1.3	Success	3,929+1.94 RP
Oct 13, 2026 11:09	highload-churner	CPPclang++18.1.3	Success	3,932
Oct 13, 2026 11:07	highload-churner	CPPclang++18.1.3	Success	7,659
Oct 13, 2026 11:04	highload-churner	CPPclang++18.1.3	Success	3,932
Oct 13, 2026 11:01	highload-churner	CPPclang++18.1.3	Success	3,944
Oct 13, 2026 10:58	highload-churner	CPPclang++18.1.3	Success	7,768
Oct 13, 2026 10:54	highload-churner	CPPclang++18.1.3	Success	7,680
Oct 13, 2026 10:50	highload-churner	CPPclang++18.1.3	Success	7,675
Oct 13, 2026 10:49	highload-churner	CPPclang++18.1.3	Success	3,932

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