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
Jul 14, 2022 22:46	Robert Burke	CPPclang++10.0.0	Success	9,252
Jul 14, 2022 22:45	Robert Burke	CPPclang++10.0.0	Success	9,252
Jul 14, 2022 22:44	Robert Burke	CPPg++9.3.0	Success	8,207+19.44 RP
Jul 14, 2022 22:35	Robert Burke	CPPg++9.3.0	Success	8,273+2.04 RP
Jul 14, 2022 22:33	Robert Burke	CPPg++9.3.0	Success	8,280+1'211.80 RP
Jul 14, 2022 22:30	Robert Burke	CPPg++9.3.0	Success	31,118+110.17 RP
Jul 14, 2022 22:29	Robert Burke	CPPg++9.3.0	Error
Jul 14, 2022 22:29	Robert Burke	CPPg++9.3.0	Error
Jul 14, 2022 18:48	Robert Burke	CPPg++9.3.0	Success	47,450
Jul 14, 2022 18:47	Robert Burke	CPPg++9.3.0	Error
Jul 14, 2022 18:46	Robert Burke	CPPg++9.3.0	Error
Jul 14, 2022 18:44	Robert Burke	CPPg++9.3.0	Error
Jul 14, 2022 18:35	Robert Burke	CPPg++9.3.0	Success	47,351+211.19 RP
Jul 14, 2022 18:33	Robert Burke	CPPg++9.3.0	Error
Jul 14, 2022 18:32	Robert Burke	CPPg++9.3.0	Error
Jun 25, 2022 06:00	Morita Soshi	GOgo1.18.3	Success	384,164+26.03 RP
Jun 15, 2022 03:00	0xNOY	RUSTrust-1.61.0	Success	431,018+0.45 RP
Jun 15, 2022 02:59	0xNOY	RUSTrust-1.61.0	Error
Jun 15, 2022 02:53	0xNOY	RUSTrust-1.61.0	Success	439,631+22.75 RP
Jun 13, 2022 14:29	Yūrin	GOgo1.18.3	Success	386,692+25.86 RP
Jun 10, 2022 06:22	elderica	RUSTrust-1.61.0	Success	266,085+4.72 RP
Jun 10, 2022 06:16	elderica	RUSTrust-1.61.0	Error
Jun 10, 2022 06:04	elderica	RUSTrust-1.61.0	Success	304,334+10.04 RP
Jun 10, 2022 06:03	elderica	RUSTrust-1.61.0	Error
Jun 10, 2022 06:00	elderica	RUSTrust-1.61.0	Error
Jun 10, 2022 05:55	elderica	RUSTrust-1.61.0	Error
Jun 10, 2022 04:57	elderica	RUSTrust-1.61.0	Success	438,217+22.82 RP
Jun 8, 2022 08:43	LevshaV	GOgo1.18.3	Success	384,074+26.04 RP
May 30, 2022 15:59	junp	CPPg++9.3.0	Error
May 30, 2022 15:58	junp	CPPg++9.3.0	Success	91,177
May 30, 2022 15:58	junp	CPPg++9.3.0	Error
May 30, 2022 15:56	junp	CPPg++9.3.0	Success	90,861
May 30, 2022 15:55	junp	CPPg++9.3.0	Success	91,167
May 30, 2022 15:46	junp	CPPg++9.3.0	Success	91,203
May 30, 2022 15:43	junp	CPPg++9.3.0	Success	86,843
May 30, 2022 15:38	junp	CPPg++9.3.0	Success	90,811
May 30, 2022 15:32	junp	CPPg++9.3.0	Success	85,495+4.58 RP
May 30, 2022 15:30	junp	CPPg++9.3.0	Error
May 30, 2022 15:02	junp	CPPg++9.3.0	Success	88,978+75.83 RP
May 26, 2022 21:07	Yuriy Lyfenko	CPPclang++10.0.0	Success	12,008
May 26, 2022 21:06	Yuriy Lyfenko	CPPclang++10.0.0	Error
May 26, 2022 21:05	Yuriy Lyfenko	CPPclang++10.0.0	Error
May 26, 2022 15:49	Keichi Takahashi	CPPg++9.3.0	Success	57,476+167.89 RP
May 26, 2022 15:48	Keichi Takahashi	CPPg++9.3.0	Error
May 26, 2022 15:48	Keichi Takahashi	CPPg++9.3.0	Error
May 25, 2022 12:04	のどかは(望み通り叶えては)	CPPg++9.3.0	Success	1,639,801+6.10 RP
May 25, 2022 12:03	のどかは(望み通り叶えては)	CPPg++9.3.0	Error
May 25, 2022 12:01	のどかは(望み通り叶えては)	CPPg++9.3.0	Error
May 25, 2022 09:36	Keichi Takahashi	CPPg++9.3.0	Success	1,641,330+6.09 RP
May 22, 2022 09:21	Yuta Kasai	CPPg++9.3.0	Success	64,395
May 22, 2022 09:20	Yuta Kasai	CPPg++9.3.0	Success	62,599+0.06 RP
May 22, 2022 09:18	Yuta Kasai	CPPg++9.3.0	Success	62,632
May 22, 2022 09:16	Yuta Kasai	CPPg++9.3.0	Success	62,623+0.25 RP
May 22, 2022 09:15	Yuta Kasai	CPPg++9.3.0	Success	62,723+106.33 RP
May 22, 2022 08:39	Yuta Kasai	CPPg++9.3.0	Success	188,304+2.84 RP
May 22, 2022 08:38	Yuta Kasai	CPPg++9.3.0	Success	200,084
May 22, 2022 08:28	Yuta Kasai	CPPg++9.3.0	Error
May 22, 2022 08:27	Yuta Kasai	CPPg++9.3.0	Error
May 22, 2022 08:25	Yuta Kasai	CPPg++9.3.0	Error
May 22, 2022 08:22	Yuta Kasai	CPPg++9.3.0	Error
May 22, 2022 08:21	Yuta Kasai	CPPg++9.3.0	Error
May 22, 2022 08:20	Yuta Kasai	CPPg++9.3.0	Error
May 22, 2022 08:13	Yuta Kasai	CPPg++9.3.0	Error
May 22, 2022 08:12	Yuta Kasai	CPPg++9.3.0	Error
May 22, 2022 08:06	Yuta Kasai	CPPg++9.3.0	Success	198,965
May 22, 2022 08:06	Yuta Kasai	CPPg++9.3.0	Success	198,940+30.96 RP
May 22, 2022 07:59	Yuta Kasai	CPPg++9.3.0	Error
May 22, 2022 07:58	Yuta Kasai	CPPg++9.3.0	Error
May 22, 2022 07:58	Yuta Kasai	CPPg++9.3.0	Error
May 22, 2022 07:58	Yuta Kasai	CPPg++9.3.0	Error
May 22, 2022 07:57	Yuta Kasai	CPPg++9.3.0	Error
May 22, 2022 07:53	Yuta Kasai	CPPg++9.3.0	Error
May 22, 2022 07:48	Yuta Kasai	CPPg++9.3.0	Error
May 22, 2022 07:46	Yuta Kasai	CPPg++9.3.0	Error
May 22, 2022 07:45	Yuta Kasai	CPPg++9.3.0	Error
May 22, 2022 07:42	Yuta Kasai	CPPg++9.3.0	Error
May 22, 2022 07:38	Yuta Kasai	CPPg++9.3.0	Error
May 22, 2022 07:32	Yuta Kasai	CPPg++9.3.0	Error
May 22, 2022 07:31	Yuta Kasai	CPPg++9.3.0	Error
May 22, 2022 07:31	Yuta Kasai	CPPg++9.3.0	Error
May 22, 2022 07:18	Yuta Kasai	CPPg++9.3.0	Success	518,070+13.21 RP
May 22, 2022 07:06	Yuta Kasai	CPPg++9.3.0	Success	1,641,658+6.09 RP
May 21, 2022 13:29	Dubrovsky Danil	CPPg++9.3.0	Success	1,643,161+6.09 RP
May 21, 2022 08:08	junp	CPPg++9.3.0	Success	273,541+16.55 RP
May 21, 2022 07:57	junp	CPPg++9.3.0	Error
May 21, 2022 07:56	junp	CPPg++9.3.0	Error
May 21, 2022 07:55	junp	CPPg++9.3.0	Error
May 21, 2022 07:55	junp	CPPg++9.3.0	Error
May 21, 2022 07:52	junp	CPPg++9.3.0	Error
May 21, 2022 06:10	matsuu	GOgo1.18.2	Success	76,489+130.74 RP
May 20, 2022 18:12	junp	CPPg++9.3.0	Success	499,896+0.38 RP
May 20, 2022 18:11	junp	CPPg++9.3.0	Error
May 20, 2022 18:11	junp	CPPg++9.3.0	Error
May 20, 2022 18:09	junp	CPPg++9.3.0	Success	509,540+13.45 RP
May 20, 2022 18:01	junp	CPPg++9.3.0	Error
May 20, 2022 17:54	junp	CPPg++9.3.0	Success	1,619,613
May 20, 2022 17:53	junp	CPPg++9.3.0	Success	1,619,191
May 20, 2022 17:47	junp	CPPg++9.3.0	Success	1,619,820+0.08 RP
May 20, 2022 17:45	junp	CPPg++9.3.0	Error
May 20, 2022 17:42	junp	CPPg++9.3.0	Success	1,641,997+6.09 RP

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