Parse integers

Compute the sum of integers read from STDIN as fast as possible.

Input: 50 000 000 lines, each containing one integer in the range [0; 2147483647].

Output: The uint64 sum of all numbers, printed as a decimal string.

Note: Integer overflow is expected – use a 64-bit accumulator.

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	1:20.1.2-0ubuntu1~24.04.2	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.

Date	Author	Language	Status	Score
Jun 21, 2025 22:29	Safronov Aleksei	CPPclang++18.1.3	Error
Jun 21, 2025 22:28	Safronov Aleksei	CPPclang++18.1.3	Error
Jun 21, 2025 22:22	Valentin Kofman	CPPclang++18.1.3	Success	50,417
Jun 21, 2025 22:14	Valentin Kofman	CPPclang++18.1.3	Success	50,387+13.29 RP
Jun 21, 2025 22:13	Valentin Kofman	CPPclang++18.1.3	Success	54,002+0.05 RP
Jun 21, 2025 22:12	Safronov Aleksei	CPPclang++18.1.3	Success	84,635
Jun 21, 2025 22:11	Valentin Kofman	CPPg++13.3.0	Success	57,218
Jun 21, 2025 22:10	Valentin Kofman	CPPg++13.3.0	Success	54,536
Jun 21, 2025 22:10	Valentin Kofman	CPPg++13.3.0	Success	54,527
Jun 21, 2025 22:09	Valentin Kofman	CPPclang++18.1.3	Success	54,018+5.42 RP
Jun 21, 2025 22:07	Safronov Aleksei	CPPg++13.3.0	Success	52,846
Jun 21, 2025 22:07	Valentin Kofman	CPPclang++18.1.3	Success	58,338
Jun 21, 2025 22:02	Valentin Kofman	CPPg++13.3.0	Success	55,648+2.89 RP
Jun 21, 2025 22:02	Safronov Aleksei	CPPclang++18.1.3	Success	108,266
Jun 21, 2025 21:59	Valentin Kofman	CPPg++13.3.0	Success	56,684
Jun 21, 2025 21:58	Safronov Aleksei	CPPclang++18.1.3	Success	50,407+198.39 RP
Jun 21, 2025 21:57	Valentin Kofman	CPPg++13.3.0	Success	56,783
Jun 21, 2025 21:55	Valentin Kofman	CPPg++13.3.0	Success	57,472
Jun 21, 2025 21:55	Valentin Kofman	CPPg++13.3.0	Success	57,163
Jun 21, 2025 21:53	Valentin Kofman	CPPg++13.3.0	Success	57,465
Jun 21, 2025 21:52	Valentin Kofman	CPPg++13.3.0	Success	61,063
Jun 21, 2025 21:36	Valentin Kofman	CPPg++13.3.0	Success	60,279
Jun 21, 2025 21:24	Valentin Kofman	CPPg++13.3.0	Success	56,559+44.54 RP
Jun 21, 2025 20:56	Aniruddha Deb	CPPg++13.3.0	Error
Jun 21, 2025 15:33	Valentin Kofman	CPPg++13.3.0	Success	75,606+1.07 RP
Jun 21, 2025 15:33	Valentin Kofman	CPPg++13.3.0	Success	76,723
Jun 21, 2025 15:32	Valentin Kofman	CPPg++13.3.0	Error
Jun 21, 2025 15:31	Valentin Kofman	CPPg++13.3.0	Error
Jun 21, 2025 14:38	Valentin Kofman	CPPg++13.3.0	Success	76,222+104.30 RP
Jun 21, 2025 14:21	Valentin Kofman	CPPg++13.3.0	Error
Jun 21, 2025 14:10	Valentin Kofman	CPPg++13.3.0	Success	371,750+26.90 RP
Jun 19, 2025 09:18	Sherzod	GOgo1.24.4	Error
Jun 19, 2025 09:17	Sherzod	GOgo1.24.4	Success	132,980
Jun 19, 2025 09:15	Sherzod	GOgo1.24.4	Error
Jun 19, 2025 09:13	Sherzod	GOgo1.24.4	Error
Jun 19, 2025 09:11	Sherzod	GOgo1.24.4	Error
Jun 19, 2025 09:09	Sherzod	GOgo1.24.4	Success	98,807
Jun 19, 2025 09:07	Sherzod	GOgo1.24.4	Error
Jun 19, 2025 08:55	Sherzod	GOgo1.24.4	Success	99,116
Jun 19, 2025 08:52	Sherzod	GOgo1.24.4	Success	98,001+64.33 RP
Jun 19, 2025 08:36	Sherzod	GOgo1.24.4	Success	498,821
Jun 19, 2025 08:30	Sherzod	GOgo1.24.4	Success	668,033
Jun 19, 2025 08:27	Sherzod	GOgo1.24.4	Error
Jun 19, 2025 08:11	Sherzod	GOgo1.24.4	Success	557,092
Jun 19, 2025 08:07	Sherzod	GOgo1.24.4	Success	738,707
Jun 19, 2025 08:02	Sherzod	GOgo1.24.4	Error
Jun 19, 2025 08:01	Sherzod	GOgo1.24.4	Error
Jun 19, 2025 08:00	Sherzod	GOgo1.24.4	Error
Jun 19, 2025 07:56	Sherzod	GOgo1.24.4	Success	265,213+37.71 RP
Jun 18, 2025 16:24	Andy Blair	GOgo1.24.4	Success	176,401+3.25 RP
Jun 18, 2025 16:20	Andy Blair	GOgo1.24.4	Success	187,130+2.62 RP
Jun 18, 2025 16:14	Andy Blair	GOgo1.24.4	Success	196,762+28.27 RP
Jun 18, 2025 16:04	Andy Blair	GOgo1.24.4	Success	443,426+22.55 RP
Jun 18, 2025 15:53	Andy Blair	GOgo1.24.4	Error
Jun 18, 2025 15:49	Andy Blair	GOgo1.24.4	Error
Jun 18, 2025 15:41	Andy Blair	GOgo1.24.4	Error
Jun 17, 2025 16:32	Павел Ратманов	CPPg++13.3.0	Error
Jun 15, 2025 12:42	Rajarshi Basu	CPPg++13.3.0	Error
Jun 13, 2025 13:28	Paweł Kruszec	CPPg++13.3.0	Error
Jun 13, 2025 13:24	Paweł Kruszec	CPPg++13.3.0	Success	532,265
Jun 13, 2025 13:22	Paweł Kruszec	CPPg++13.3.0	Error
Jun 13, 2025 13:21	Paweł Kruszec	CPPg++13.3.0	Error
Jun 13, 2025 13:21	Paweł Kruszec	CPPg++13.3.0	Error
Jun 13, 2025 13:20	Paweł Kruszec	CPPg++13.3.0	Error
Jun 13, 2025 13:14	Paweł Kruszec	CPPg++13.3.0	Success	530,102+18.86 RP
Jun 12, 2025 11:22	Павел Ратманов	CPPg++13.3.0	Success	105,659
Jun 12, 2025 11:15	Павел Ратманов	CPPg++13.3.0	Success	58,496
Jun 11, 2025 22:45	Павел Ратманов	CPPg++13.3.0	Success	105,636
Jun 11, 2025 22:43	Павел Ратманов	CPPg++13.3.0	Error
Jun 11, 2025 22:07	Павел Ратманов	CPPg++13.3.0	Success	104,907
Jun 11, 2025 22:01	Павел Ратманов	CPPg++13.3.0	Error
Jun 11, 2025 11:13	cdillond	CPPg++13.3.0	Success	2,068,220
Jun 11, 2025 10:22	cdillond	GOgo1.24.4	Success	160,628+4.46 RP
Jun 11, 2025 10:08	cdillond	GOgo1.24.4	Success	197,351
Jun 11, 2025 09:48	cdillond	GOgo1.24.4	Success	173,033+16.46 RP
Jun 11, 2025 09:32	cdillond	GOgo1.24.4	Success	241,918+41.34 RP
Jun 11, 2025 09:30	cdillond	GOgo1.24.4	Error
Jun 10, 2025 21:47	Hayk Karapetyan	CPPg++13.3.0	Success	51,945+20.11 RP
Jun 10, 2025 21:46	Hayk Karapetyan	CPPg++13.3.0	Success	74,216
Jun 10, 2025 21:45	Hayk Karapetyan	CPPg++13.3.0	Success	58,004+23.55 RP
Jun 10, 2025 21:18	Hayk Karapetyan	CPPg++13.3.0	Success	86,631
Jun 10, 2025 21:17	Павел Ратманов	CPPg++13.3.0	Success	133,322
Jun 10, 2025 21:15	Павел Ратманов	CPPg++13.3.0	Success	133,491
Jun 10, 2025 21:11	Павел Ратманов	CPPg++13.3.0	Error
Jun 10, 2025 21:10	Павел Ратманов	CPPg++13.3.0	Error
Jun 10, 2025 21:09	Павел Ратманов	CPPg++13.3.0	Success	67,110
Jun 10, 2025 21:07	Павел Ратманов	CPPg++13.3.0	Error
Jun 10, 2025 21:02	Павел Ратманов	CPPg++13.3.0	Error
Jun 10, 2025 20:51	Павел Ратманов	CPPg++13.3.0	Error
Jun 10, 2025 20:50	Павел Ратманов	CPPg++13.3.0	Error
Jun 10, 2025 16:28	Павел Ратманов	CPPg++13.3.0	Success	88,605
Jun 10, 2025 16:27	Павел Ратманов	CPPg++13.3.0	Success	65,518
Jun 10, 2025 16:14	Павел Ратманов	CPPg++13.3.0	Success	66,990
Jun 10, 2025 16:08	Павел Ратманов	CPPg++13.3.0	Success	62,884
Jun 10, 2025 13:47	Павел Ратманов	CPPg++13.3.0	Success	89,441
Jun 10, 2025 13:46	Павел Ратманов	CPPg++13.3.0	Success	69,829
Jun 10, 2025 13:46	Павел Ратманов	CPPg++13.3.0	Success	67,223
Jun 10, 2025 13:45	Павел Ратманов	CPPg++13.3.0	Success	67,157
Jun 10, 2025 13:39	Павел Ратманов	CPPclang++18.1.3	Success	86,150
Jun 10, 2025 13:34	Павел Ратманов	CPPg++13.3.0	Success	89,233

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