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	1:20.1.2-0ubuntu1~24.04.3	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
May 5, 2025 08:30	parsersmail	GOgo1.24.2	Success	131,041
May 5, 2025 08:27	parsersmail	GOgo1.24.2	Success	88,650
May 5, 2025 08:24	parsersmail	GOgo1.24.2	Error
May 5, 2025 08:22	parsersmail	GOgo1.24.2	Success	78,580
May 5, 2025 08:16	parsersmail	GOgo1.24.2	Success	100,756
May 5, 2025 07:53	parsersmail	GOgo1.24.2	Success	78,839
May 5, 2025 07:52	parsersmail	GOgo1.24.2	Success	72,157
May 5, 2025 07:46	parsersmail	GOgo1.24.2	Success	100,389
May 5, 2025 07:45	parsersmail	GOgo1.24.2	Success	119,261
May 5, 2025 07:42	parsersmail	GOgo1.22.2	Error
May 5, 2025 07:39	parsersmail	GOgo1.22.2	Success	81,053
May 5, 2025 07:37	parsersmail	GOgo1.22.2	Success	116,845
May 5, 2025 07:34	parsersmail	GOgo1.22.2	Success	156,577
May 5, 2025 07:31	parsersmail	GOgo1.22.2	Success	82,800
May 4, 2025 22:51	Aniruddha Deb	CPPg++13.3.0	Error
May 4, 2025 21:23	Aniruddha Deb	CPPg++13.3.0	Error
May 4, 2025 21:17	Aniruddha Deb	CPPg++13.3.0	Error
May 4, 2025 21:11	Aniruddha Deb	CPPg++13.3.0	Error
May 4, 2025 21:10	Aniruddha Deb	CPPg++13.3.0	Success	6,053
May 4, 2025 21:08	Aniruddha Deb	CPPg++13.3.0	Error
May 4, 2025 21:02	Aniruddha Deb	CPPg++13.3.0	Success	6,304
May 4, 2025 19:59	Aniruddha Deb	CPPg++13.3.0	Success	21,418
May 4, 2025 05:40	Keefe	RUSTrust-1.86.0	Error
May 4, 2025 05:38	Keefe	RUSTrust-1.86.0	Success	19,977+1.10 RP
May 4, 2025 05:38	Keefe	RUSTrust-1.86.0	Error
May 4, 2025 05:36	Keefe	RUSTrust-1.86.0	Error
May 4, 2025 05:35	Keefe	RUSTrust-1.86.0	Error
May 2, 2025 17:44	Gerard Smit	CSHARP9.0.4	Success	60,844
May 2, 2025 17:44	Gerard Smit	CSHARP9.0.4	Error
May 2, 2025 17:38	Gerard Smit	CSHARP9.0.4	Success	56,775+1.07 RP
May 2, 2025 17:36	Gerard Smit	CSHARP9.0.4	Success	63,934
May 2, 2025 17:35	Gerard Smit	CSHARP9.0.4	Success	79,239
May 2, 2025 17:31	Gerard Smit	CSHARP9.0.4	Success	57,123+0.21 RP
May 2, 2025 17:30	Gerard Smit	CSHARP9.0.4	Success	60,369
May 2, 2025 17:29	Gerard Smit	CSHARP9.0.4	Success	60,392
May 1, 2025 21:43	FeToR1	CPPg++13.3.0	Success	2,067,601
May 1, 2025 21:42	FeToR1	CPPg++13.3.0	Success	2,065,432+4.84 RP
May 1, 2025 13:23	Emanuele Bolognesi	CPPclang++18.1.3	Success	67,016
May 1, 2025 13:17	Emanuele Bolognesi	CPPclang++18.1.3	Success	68,476
Apr 30, 2025 12:02	vahook	CPPg++13.3.0	Success	45,830
Apr 30, 2025 11:57	vahook	CPPclang++18.1.3	Success	61,656
Apr 30, 2025 11:56	vahook	CPPg++13.3.0	Success	37,069+83.31 RP
Apr 30, 2025 10:40	vahook	CPPg++13.3.0	Success	53,632+181.61 RP
Apr 30, 2025 10:17	vahook	CPPg++13.3.0	Success	2,065,541+4.84 RP
Apr 30, 2025 08:03	Shun Yamanaka	RUSTrust-1.86.0	Success	411,357
Apr 30, 2025 08:02	Shun Yamanaka	RUSTrust-1.86.0	Success	411,363
Apr 30, 2025 08:00	Shun Yamanaka	RUSTrust-1.86.0	Success	411,164
Apr 30, 2025 07:58	Shun Yamanaka	RUSTrust-1.86.0	Success	403,933
Apr 30, 2025 07:57	Shun Yamanaka	RUSTrust-1.86.0	Error
Apr 30, 2025 07:43	Shun Yamanaka	RUSTrust-1.86.0	Success	385,867+25.92 RP
Apr 29, 2025 18:46	Gerard Smit	CSHARP9.0.4	Success	64,405
Apr 29, 2025 18:40	Gerard Smit	CSHARP9.0.4	Error
Apr 29, 2025 18:39	Gerard Smit	CSHARP9.0.4	Error
Apr 29, 2025 18:37	Gerard Smit	CSHARP9.0.4	Error
Apr 27, 2025 20:25	n	RUSTrust-1.86.0	Success	186,272
Apr 27, 2025 20:18	n	RUSTrust-1.86.0	Error
Apr 27, 2025 20:17	n	RUSTrust-1.86.0	Error
Apr 27, 2025 20:12	n	RUSTrust-1.86.0	Success	173,107
Apr 27, 2025 17:33	n	RUSTrust-1.86.0	Success	294,933
Apr 27, 2025 17:32	n	RUSTrust-1.86.0	Success	451,226
Apr 27, 2025 17:31	n	RUSTrust-1.86.0	Success	2,982,528
Apr 27, 2025 17:24	n	RUSTrust-1.86.0	Success	290,541
Apr 27, 2025 14:29	Kevin Heavey	RUSTrust-1.86.0	Success	53,983
Apr 27, 2025 14:27	Kevin Heavey	RUSTrust-1.86.0	Success	54,031
Apr 27, 2025 14:26	Kevin Heavey	RUSTrust-1.67.0	Success	56,743
Apr 27, 2025 14:25	Kevin Heavey	RUSTrust-1.86.0	Success	54,051
Apr 27, 2025 14:22	Kevin Heavey	RUSTrust-1.86.0	Error
Apr 27, 2025 14:18	Kevin Heavey	RUSTrust-1.86.0	Error
Apr 27, 2025 14:17	Kevin Heavey	RUSTrust-1.86.0	Error
Apr 27, 2025 14:12	Kevin Heavey	RUSTrust-1.86.0	Error
Apr 27, 2025 14:11	Kevin Heavey	RUSTrust-1.86.0	Error
Apr 27, 2025 12:41	Dmitry Yudakov	CSHARP10.0.0-preview.1	Success	75,991
Apr 27, 2025 12:39	Dmitry Yudakov	CSHARP10.0.0-preview.1	Success	75,933
Apr 27, 2025 12:29	Dmitry Yudakov	CSHARP10.0.0-preview.1	Success	75,955
Apr 27, 2025 12:26	Dmitry Yudakov	CSHARP10.0.0-preview.1	Success	75,972
Apr 27, 2025 12:25	Dmitry Yudakov	CSHARP10.0.0-preview.1	Success	77,052
Apr 26, 2025 22:43	n	RUSTrust-1.86.0	Success	160,697
Apr 26, 2025 22:30	n	RUSTrust-1.86.0	Success	157,346
Apr 26, 2025 22:27	n	RUSTrust-1.86.0	Success	157,721
Apr 26, 2025 22:25	n	RUSTrust-1.86.0	Success	156,857
Apr 26, 2025 22:23	n	RUSTrust-1.86.0	Error
Apr 26, 2025 21:33	n	RUSTrust-1.86.0	Success	142,662+41.78 RP
Apr 26, 2025 21:29	n	RUSTrust-1.86.0	Error
Apr 26, 2025 05:01	Keefe	RUSTrust-1.84.0	Success	49,990
Apr 26, 2025 04:51	Keefe	RUSTrust-1.84.0	Success	20,021+299.91 RP
Apr 26, 2025 04:48	Keefe	CPPg++13.3.0	Error
Apr 26, 2025 03:29	n	RUSTrust-1.86.0	Success	369,684
Apr 26, 2025 03:29	n	RUSTrust-1.86.0	Success	358,113
Apr 26, 2025 03:23	n	RUSTrust-1.86.0	Success	372,232
Apr 26, 2025 03:12	n	RUSTrust-1.86.0	Success	355,215
Apr 26, 2025 03:08	n	RUSTrust-1.86.0	Success	357,920
Apr 26, 2025 03:03	n	RUSTrust-1.86.0	Success	353,192+0.52 RP
Apr 26, 2025 02:49	n	RUSTrust-1.86.0	Success	371,419
Apr 26, 2025 02:22	n	RUSTrust-1.86.0	Success	367,684
Apr 26, 2025 02:16	n	RUSTrust-1.86.0	Error
Apr 26, 2025 01:58	n	RUSTrust-1.86.0	Error
Apr 26, 2025 01:47	n	RUSTrust-1.86.0	Success	359,797+0.41 RP
Apr 26, 2025 01:45	n	RUSTrust-1.86.0	Error
Apr 26, 2025 01:28	n	RUSTrust-1.86.0	Success	365,217+1.55 RP
Apr 25, 2025 23:32	n	RUSTrust-1.86.0	Success	389,066

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