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.

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory	Error
1	Oct 14, 2024 00:19	0	0	0	0	0	Error: expected "53686545315303177 ", got "53686557415423551 "	stderr
2	Oct 14, 2024 00:17	0	0	0	0	0	Error: expected "53681067638835747 ", got "53681078202857946 "	stderr
3	Oct 13, 2024 23:54	0	0	0	0	0	Error: expected "53692366485201821 ", got "53692383637792625 "	stderr
4	Oct 13, 2024 23:45	0	0	0	0	0	Error: expected "53687773600111373 ", got "53687774786816347 "	stderr
5	Oct 13, 2024 23:49	4,219	56,727,012	32,013,000	3,001,000	2,301,952
6	Oct 13, 2024 23:49	4,231	55,007,948	33,110,000	2,006,000	2,273,280
7	Oct 13, 2024 23:40	4,239	56,774,837	32,171,000	3,016,000	2,535,424
8	Oct 13, 2024 23:54	4,245	59,377,789	33,222,000	2,013,000	2,301,952
9	Oct 13, 2024 23:49	4,247	57,036,539	33,237,000	2,014,000	2,273,280
10	Oct 13, 2024 23:40	4,249	60,873,096	33,250,000	2,015,000	2,535,424
11	Oct 13, 2024 23:49	4,251	60,063,364	34,272,000	1,008,000	2,535,424
12	Oct 13, 2024 23:40	4,259	57,308,292	33,329,000	2,019,000	2,310,144
13	Oct 13, 2024 23:40	4,262	54,142,824	34,361,000	1,010,000	2,301,952
14	Oct 13, 2024 23:45	4,274	61,462,163	34,460,000	1,013,000	2,392,064
15	Oct 14, 2024 00:18	4,274	61,316,326	33,451,000	2,027,000	2,535,424
16	Oct 13, 2024 23:49	4,288	64,528,275	34,573,000	1,016,000	2,535,424
17	Oct 13, 2024 23:40	4,291	64,493,603	34,602,000	1,017,000	2,306,048
18	Oct 13, 2024 23:40	4,295	62,766,810	34,631,000	1,018,000	2,535,424
19	Oct 13, 2024 23:54	4,299	65,527,979	34,659,000	1,019,000	2,273,280
20	Oct 13, 2024 23:54	4,300	63,438,997	34,674,000	1,019,000	2,535,424
21	Oct 13, 2024 23:49	4,301	70,613,432	34,680,000	1,020,000	2,301,952
22	Oct 13, 2024 23:45	4,302	62,624,262	34,684,000	1,020,000	2,293,760
23	Oct 13, 2024 23:49	4,316	60,574,321	33,833,000	1,990,000	2,392,064
24	Oct 13, 2024 23:54	4,321	59,842,855	32,875,000	2,988,000	2,387,968
25	Oct 13, 2024 23:45	4,325	54,770,032	34,902,000	997,000	2,273,280
26	Oct 13, 2024 23:49	4,346	54,205,469	35,067,000	1,001,000	2,273,280
27	Oct 13, 2024 23:49	4,372	54,410,005	34,273,000	2,016,000	2,301,952
28	Oct 14, 2024 00:18	4,380	59,846,716	34,331,000	2,019,000	2,293,760
29	Oct 13, 2024 23:54	4,395	62,756,753	36,479,000	0	2,301,952
30	Oct 13, 2024 23:49	4,439	66,506,639	34,854,000	1,991,000	2,273,280
31	Oct 13, 2024 23:40	4,477	63,494,185	34,145,000	3,012,000	2,535,424
32	Oct 13, 2024 23:54	4,519	56,868,924	37,504,000	0	2,293,760
33	Oct 13, 2024 23:54	4,521	63,005,127	36,510,000	1,014,000	2,273,280
34	Oct 13, 2024 23:49	4,530	68,283,878	36,584,000	1,016,000	2,301,952
35	Oct 13, 2024 23:54	4,558	61,146,844	35,841,000	1,991,000	2,301,952
36	Oct 13, 2024 23:54	4,559	70,660,608	35,845,000	1,991,000	2,482,176
37	Oct 13, 2024 23:40	4,574	61,273,727	34,969,000	2,997,000	2,535,424
38	Oct 13, 2024 23:40	4,603	61,978,944	36,197,000	2,010,000	2,535,424
39	Oct 13, 2024 23:49	4,634	62,028,776	37,448,000	1,012,000	2,293,760
40	Oct 14, 2024 00:18	4,684	64,829,167	37,879,000	996,000	2,297,856

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