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
1	May 31, 2024 10:43	5,051	63,909,573	39,930,000	1,996,000	2,490,368
2	May 31, 2024 10:43	5,054	69,503,405	40,948,000	998,000	2,400,256
3	May 31, 2024 10:43	5,054	67,578,689	40,950,000	998,000	2,273,280
4	May 31, 2024 10:43	5,056	67,362,711	39,965,000	1,998,000	2,273,280
5	May 31, 2024 10:43	5,058	68,303,386	39,984,000	1,999,000	2,273,280
6	May 31, 2024 10:43	5,059	67,120,983	40,992,000	999,000	2,404,352
7	May 31, 2024 10:43	5,061	65,957,848	40,009,000	2,000,000	2,400,256
8	May 31, 2024 10:43	5,061	65,378,579	41,010,000	1,000,000	2,404,352
9	May 31, 2024 10:43	5,061	59,438,318	40,005,000	2,000,000	2,396,160
10	May 31, 2024 10:43	5,062	64,672,455	41,011,000	1,000,000	2,273,280
11	May 31, 2024 10:43	5,063	64,857,286	40,025,000	2,001,000	2,519,040
12	May 31, 2024 10:43	5,063	67,786,507	40,022,000	2,001,000	2,273,280
13	May 31, 2024 10:43	5,063	67,303,385	40,024,000	2,001,000	2,273,280
14	May 31, 2024 10:43	5,065	68,056,837	41,037,000	1,000,000	2,408,448
15	May 31, 2024 10:43	5,066	66,369,024	41,046,000	1,001,000	2,400,256
16	May 31, 2024 10:43	5,066	67,112,708	40,048,000	2,002,000	2,273,280
17	May 31, 2024 10:43	5,067	64,694,129	40,054,000	2,002,000	2,400,256
18	May 31, 2024 10:43	5,068	63,223,298	41,061,000	1,001,000	2,392,064
19	May 31, 2024 10:43	5,068	63,489,071	41,060,000	1,001,000	2,273,280
20	May 31, 2024 10:43	5,069	64,681,077	42,075,000	0	2,273,280
21	May 31, 2024 10:43	5,069	67,729,551	42,076,000	0	2,404,352
22	May 31, 2024 10:43	5,069	65,981,745	41,068,000	1,001,000	2,404,352
23	May 31, 2024 10:43	5,070	65,545,014	40,074,000	2,003,000	2,408,448
24	May 31, 2024 10:43	5,072	63,715,038	40,090,000	2,004,000	2,273,280
25	May 31, 2024 10:43	5,073	68,615,270	40,100,000	2,005,000	2,396,160
26	May 31, 2024 10:43	5,076	66,062,116	40,128,000	2,006,000	2,510,848
27	May 31, 2024 10:43	5,080	63,660,080	40,160,000	2,008,000	2,273,280
28	May 31, 2024 10:43	6,313	84,140,857	52,401,000	0	2,400,256
29	May 31, 2024 10:43	6,320	69,488,373	51,452,000	1,008,000	2,392,064
30	May 31, 2024 10:43	6,321	113,933,388	52,462,601	0	2,289,664
31	May 31, 2024 10:43	6,333	113,013,954	52,567,728	0	2,297,856
32	May 31, 2024 10:43	6,336	113,583,701	52,588,396	0	2,285,568
33	May 31, 2024 10:43	6,339	80,924,260	52,617,000	0	2,273,280
34	May 31, 2024 10:43	6,340	76,543,479	52,619,000	0	2,408,448
35	May 31, 2024 10:43	6,346	104,218,691	52,671,888	0	2,289,664
36	May 31, 2024 10:43	6,347	106,690,052	52,680,551	0	2,293,760
37	May 31, 2024 10:43	6,353	118,770,117	52,733,826	0	2,281,472
38	May 31, 2024 10:43	6,354	111,631,531	52,738,768	0	2,281,472
39	May 31, 2024 10:43	6,357	123,809,037	52,765,039	0	2,285,568
40	May 31, 2024 10:43	6,360	114,957,382	52,789,622	0	2,281,472
41	May 31, 2024 10:43	6,363	86,592,679	50,819,000	1,992,000	2,396,160
42	May 31, 2024 10:43	6,363	78,346,492	50,819,000	1,992,000	2,396,160
43	May 31, 2024 10:43	6,367	86,135,179	52,844,000	0	2,273,280
44	May 31, 2024 10:43	6,369	75,239,335	50,872,000	1,994,000	2,273,280
45	May 31, 2024 10:43	6,401	116,790,497	53,129,123	0	2,285,568
46	May 31, 2024 10:43	6,402	80,509,907	51,129,000	2,005,000	2,396,160
47	May 31, 2024 10:43	6,411	128,279,327	53,212,175	0	2,277,376
48	May 31, 2024 10:43	6,462	115,926,750	53,630,619	0	2,285,568

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