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
Sep 7, 2021 16:08	Andrey Tsvetkov	GOgo1.13	Success	34,311
Sep 7, 2021 16:06	Andrey Tsvetkov	GOgo1.13	Success	43,859
Sep 7, 2021 16:05	Andrey Tsvetkov	GOgo1.13	Error
Sep 7, 2021 16:04	Andrey Tsvetkov	GOgo1.13	Error
Sep 7, 2021 16:03	Andrey Tsvetkov	GOgo1.13	Success	44,440
Sep 7, 2021 15:59	Yuriy Lyfenko	GOgo1.13.15	Error
Sep 7, 2021 15:58	Andrey Tsvetkov	GOgo1.13	Success	44,417
Sep 7, 2021 15:58	Yuriy Lyfenko	GOgo1.11.13	Error
Sep 7, 2021 15:57	Andrey Tsvetkov	GOgo1.13	Error
Sep 7, 2021 15:56	Andrey Tsvetkov	GOgo1.13	Error
Sep 7, 2021 15:53	Andrey Tsvetkov	GOgo1.13	Success	43,838
Sep 7, 2021 15:52	Andrey Tsvetkov	GOgo1.13	Success	44,047
Sep 7, 2021 15:49	Andrey Tsvetkov	GOgo1.13	Success	34,094
Sep 7, 2021 15:48	Andrey Tsvetkov	GOgo1.13	Success	34,410
Sep 7, 2021 15:47	Andrey Tsvetkov	GOgo1.13	Error
Sep 7, 2021 15:41	Yuriy Lyfenko	GOgo1.17	Error
Sep 7, 2021 15:39	Andrey Tsvetkov	GOgo1.13	Success	34,085+19.48 RP
Sep 7, 2021 15:38	Andrey Tsvetkov	GOgo1.13	Success	43,987
Sep 7, 2021 15:37	Andrey Tsvetkov	GOgo1.13	Success	45,210
Sep 7, 2021 15:35	Andrey Tsvetkov	GOgo1.13	Success	35,688
Sep 7, 2021 15:34	Andrey Tsvetkov	GOgo1.13	Error
Sep 7, 2021 15:33	Andrey Tsvetkov	GOgo1.13	Error
Sep 7, 2021 15:30	Andrey Tsvetkov	GOgo1.13	Success	36,193
Sep 7, 2021 15:30	Andrey Tsvetkov	GOgo1.13	Error
Sep 7, 2021 15:10	Andrey Tsvetkov	GOgo1.13	Success	37,054
Sep 7, 2021 15:09	Andrey Tsvetkov	GOgo1.13	Success	37,791
Sep 7, 2021 15:08	Andrey Tsvetkov	GOgo1.13	Success	44,461
Sep 7, 2021 15:05	Andrey Tsvetkov	GOgo1.13	Success	45,326
Sep 7, 2021 15:03	Andrey Tsvetkov	GOgo1.13	Success	45,697
Sep 7, 2021 15:02	Andrey Tsvetkov	GOgo1.13	Success	45,201
Sep 7, 2021 14:59	Andrey Tsvetkov	GOgo1.13	Success	35,683+0.27 RP
Sep 7, 2021 14:58	Andrey Tsvetkov	GOgo1.17	Success	46,038
Sep 7, 2021 14:57	Andrey Tsvetkov	GOgo1.13.15	Success	35,717+39.07 RP
Sep 7, 2021 14:52	Andrey Tsvetkov	GOgo1.13.15	Success	41,510+1.88 RP
Sep 7, 2021 14:37	Andrey Tsvetkov	GOgo1.13.15	Success	43,305
Sep 7, 2021 14:36	Andrey Tsvetkov	GOgo1.13.15	Success	43,015
Sep 7, 2021 14:34	Andrey Tsvetkov	GOgo1.13.15	Success	42,839
Sep 7, 2021 14:33	Andrey Tsvetkov	GOgo1.13.15	Success	69,028
Sep 7, 2021 14:33	Andrey Tsvetkov	GOgo1.13.15	Error
Sep 7, 2021 14:30	Andrey Tsvetkov	GOgo1.13.15	Success	43,258
Sep 7, 2021 14:29	Andrey Tsvetkov	GOgo1.13.15	Success	45,700
Sep 7, 2021 14:28	Andrey Tsvetkov	GOgo1.13.15	Success	48,603
Sep 7, 2021 14:26	Andrey Tsvetkov	GOgo1.13.15	Success	48,625
Sep 7, 2021 14:25	Andrey Tsvetkov	GOgo1.13.15	Success	48,635
Sep 7, 2021 14:24	Andrey Tsvetkov	GOgo1.13.15	Success	48,631
Sep 7, 2021 14:23	Andrey Tsvetkov	GOgo1.13.15	Error
Sep 7, 2021 14:23	Andrey Tsvetkov	GOgo1.13.15	Success	48,626
Sep 7, 2021 14:22	Andrey Tsvetkov	GOgo1.13.15	Success	48,633
Sep 7, 2021 14:17	Andrey Tsvetkov	GOgo1.13.15	Success	48,630
Sep 7, 2021 11:49	Egor Gabov	CPPclang++10.0.0	Error
Sep 7, 2021 11:35	Egor Gabov	CPPclang++10.0.0	Success	1,633,753+6.12 RP
Sep 7, 2021 10:54	Yuriy B.	GOgo1.17	Success	364,425+27.44 RP
Sep 7, 2021 01:59	Artur Mogozov	GOgo1.17	Success	91,045+0.01 RP
Sep 7, 2021 01:48	Artur Mogozov	GOgo1.16.7	Success	93,909
Sep 7, 2021 01:46	Artur Mogozov	GOgo1.17	Success	91,052+82.37 RP
Sep 7, 2021 01:30	Artur Mogozov	GOgo1.17	Success	364,221+27.46 RP
Sep 5, 2021 20:37	picul	CPPclang++10.0.0	Error
Sep 5, 2021 20:32	picul	CPPclang++10.0.0	Error
Sep 5, 2021 20:17	picul	CPPclang++10.0.0	Error
Sep 5, 2021 20:17	picul	CPPclang++10.0.0	Error
Sep 5, 2021 20:15	picul	CPPclang++10.0.0	Error
Sep 5, 2021 20:13	picul	CPPclang++10.0.0	Error
Sep 5, 2021 20:12	picul	CPPclang++10.0.0	Error
Sep 5, 2021 20:10	picul	CPPclang++10.0.0	Error
Sep 5, 2021 20:09	picul	CPPclang++10.0.0	Error
Sep 5, 2021 20:00	picul	CPPclang++10.0.0	Error
Sep 5, 2021 19:37	picul	CPPclang++10.0.0	Success	27,948+32.54 RP
Sep 5, 2021 19:33	picul	CPPclang++10.0.0	Success	30,744+0.03 RP
Sep 5, 2021 19:30	picul	CPPclang++10.0.0	Success	30,747+0.23 RP
Sep 5, 2021 19:30	picul	CPPclang++10.0.0	Success	30,769+9.77 RP
Sep 5, 2021 19:30	picul	CPPclang++10.0.0	Error
Sep 5, 2021 19:29	picul	CPPclang++10.0.0	Error
Sep 5, 2021 19:29	picul	CPPclang++10.0.0	Error
Sep 5, 2021 19:28	picul	CPPclang++10.0.0	Error
Sep 5, 2021 19:28	picul	CPPclang++10.0.0	Success	31,723+0.72 RP
Sep 5, 2021 19:26	picul	CPPclang++10.0.0	Success	31,796+122.63 RP
Sep 5, 2021 19:00	picul	CPPclang++10.0.0	Success	52,117+3.76 RP
Sep 5, 2021 19:00	picul	CPPclang++10.0.0	Success	53,159+1.07 RP
Sep 5, 2021 18:43	picul	CPPclang++10.0.0	Success	53,462+16.19 RP
Sep 5, 2021 18:41	picul	CPPclang++10.0.0	Error
Sep 5, 2021 18:39	picul	CPPclang++10.0.0	Error
Sep 5, 2021 12:19	Andrey Tsvetkov	GOgo1.13.15	Success	69,250
Sep 5, 2021 12:18	Andrey Tsvetkov	GOgo1.13.15	Success	41,836+1.52 RP
Sep 5, 2021 12:16	Andrey Tsvetkov	GOgo1.13.15	Success	42,327
Sep 5, 2021 12:16	Andrey Tsvetkov	GOgo1.13.15	Success	42,120
Sep 5, 2021 12:15	Andrey Tsvetkov	GOgo1.17	Success	69,519
Sep 5, 2021 12:14	Andrey Tsvetkov	GOgo1.13.15	Success	76,142
Sep 5, 2021 12:11	Sergey Stremin	RUSTrust-1.54.0	Success	22,472
Sep 5, 2021 12:03	Andrey Tsvetkov	GOgo1.10.8	Success	43,817
Sep 5, 2021 12:02	Andrey Tsvetkov	GOgo1.11.13	Success	43,253
Sep 5, 2021 12:02	Andrey Tsvetkov	GOgo1.12.17	Success	43,885
Sep 5, 2021 12:01	Andrey Tsvetkov	GOgo1.13.14	Success	42,104+0.77 RP
Sep 5, 2021 12:00	Andrey Tsvetkov	GOgo1.14.15	Success	42,951
Sep 5, 2021 12:00	Andrey Tsvetkov	GOgo1.15.15	Success	42,241+3.90 RP
Sep 5, 2021 11:39	Andrey Tsvetkov	GOgo1.16.7	Success	42,949+2.50 RP
Sep 5, 2021 11:37	Andrey Tsvetkov	GOgo1.17	Success	45,655
Sep 5, 2021 11:32	Andrey Tsvetkov	GOgo1.17	Success	43,507
Sep 5, 2021 11:29	Andrey Tsvetkov	GOgo1.17	Success	43,415+5.54 RP
Sep 5, 2021 11:28	Andrey Tsvetkov	GOgo1.17	Success	44,657
Sep 5, 2021 11:28	Andrey Tsvetkov	GOgo1.17	Success	45,348

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