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	Jun 4, 2024 15:53	0	0	0	0	0	Error: expected "53685226334694180 ", got "53685355946100751 "
2	Jun 4, 2024 15:53	4,955	64,888,057	40,124,000	1,003,000	2,273,280
3	Jun 4, 2024 15:53	4,956	64,841,670	39,131,000	2,006,000	2,400,256
4	Jun 4, 2024 15:53	4,963	62,336,500	39,187,000	2,009,000	2,400,256
5	Jun 4, 2024 15:53	4,963	64,640,516	39,185,000	2,009,000	2,400,256
6	Jun 4, 2024 15:53	4,964	64,958,805	40,196,000	1,004,000	2,387,968
7	Jun 4, 2024 15:53	4,964	64,309,101	40,200,000	1,005,000	2,400,256
8	Jun 4, 2024 15:53	4,964	69,670,174	39,194,000	2,009,000	2,273,280
9	Jun 4, 2024 15:53	4,966	64,940,967	39,205,000	2,010,000	2,396,160
10	Jun 4, 2024 15:53	4,966	61,852,138	40,215,000	1,005,000	2,400,256
11	Jun 4, 2024 15:53	4,966	65,972,615	39,209,000	2,010,000	2,404,352
12	Jun 4, 2024 15:53	4,969	64,444,654	39,233,000	2,011,000	2,273,280
13	Jun 4, 2024 15:53	4,971	67,403,030	39,245,000	2,012,000	2,273,280
14	Jun 4, 2024 15:53	4,971	65,912,287	40,252,000	1,006,000	2,404,352
15	Jun 4, 2024 15:53	4,972	62,250,540	39,256,000	2,013,000	2,273,280
16	Jun 4, 2024 15:53	4,973	63,217,236	40,268,000	1,006,000	2,273,280
17	Jun 4, 2024 15:53	4,973	75,227,875	39,262,000	2,013,000	2,273,280
18	Jun 4, 2024 15:53	4,973	66,139,365	41,273,000	0	2,396,160
19	Jun 4, 2024 15:53	4,974	61,684,315	41,283,000	0	2,514,944
20	Jun 4, 2024 15:53	4,975	63,570,722	40,282,000	1,007,000	2,392,064
21	Jun 4, 2024 15:53	4,976	65,803,894	41,299,000	0	2,273,280
22	Jun 4, 2024 15:53	4,979	63,983,636	40,321,000	1,008,000	2,273,280
23	Jun 4, 2024 15:53	4,979	69,653,178	39,309,000	2,015,000	2,273,280
24	Jun 4, 2024 15:53	4,981	62,330,943	40,332,000	1,008,000	2,400,256
25	Jun 4, 2024 15:53	4,983	63,322,913	40,351,000	1,008,000	2,510,848
26	Jun 4, 2024 15:53	4,985	61,350,756	40,366,000	1,009,000	2,396,160
27	Jun 4, 2024 15:53	4,985	68,167,052	40,365,000	1,009,000	2,273,280
28	Jun 4, 2024 15:53	4,985	63,213,234	40,368,000	1,009,000	2,510,848
29	Jun 4, 2024 15:53	5,099	106,420,448	42,323,674	0	2,285,568
30	Jun 4, 2024 15:53	5,099	108,620,285	42,318,500	0	2,277,376
31	Jun 4, 2024 15:53	5,099	116,724,037	42,322,008	0	2,281,472
32	Jun 4, 2024 15:53	5,102	109,063,914	42,348,169	0	2,289,664
33	Jun 4, 2024 15:53	5,102	112,237,303	42,346,595	0	2,281,472
34	Jun 4, 2024 15:53	5,103	108,519,293	42,351,261	0	2,293,760
35	Jun 4, 2024 15:53	5,105	101,827,415	42,374,745	0	2,273,280
36	Jun 4, 2024 15:53	5,133	111,388,239	42,606,464	0	2,285,568
37	Jun 4, 2024 15:53	5,140	127,916,812	42,662,942	0	2,281,472
38	Jun 4, 2024 15:53	5,912	71,100,893	47,064,000	2,002,000	2,396,160
39	Jun 4, 2024 15:53	5,923	72,246,471	48,160,000	1,003,000	2,273,280
40	Jun 4, 2024 15:53	5,928	70,366,559	47,196,000	2,008,000	2,273,280
41	Jun 4, 2024 15:53	5,930	75,111,278	47,208,000	2,008,000	2,273,280
42	Jun 4, 2024 15:53	5,933	73,605,614	47,235,000	2,010,000	2,273,280
43	Jun 4, 2024 15:53	5,947	71,768,699	49,364,000	0	2,506,752
44	Jun 4, 2024 15:53	5,951	74,445,639	49,397,000	0	2,273,280
45	Jun 4, 2024 15:53	5,958	74,481,690	48,439,000	1,009,000	2,277,376
46	Jun 4, 2024 15:53	5,967	72,014,782	49,525,000	0	2,273,280

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