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	Jun 7, 2024 13:53	3,982	55,284,972	30,049,000	3,004,000	2,486,272
2	Jun 7, 2024 13:53	3,999	56,601,228	31,180,000	2,011,000	2,273,280
3	Jun 7, 2024 13:53	4,005	63,227,452	31,224,000	2,014,000	2,355,200
4	Jun 7, 2024 13:53	4,028	57,501,008	31,409,000	2,026,000	2,494,464
5	Jun 7, 2024 13:53	4,030	56,686,028	31,424,000	2,027,000	2,273,280
6	Jun 7, 2024 13:53	4,038	62,034,548	31,487,000	2,031,000	2,486,272
7	Jun 7, 2024 13:53	4,041	58,193,206	32,522,000	1,016,000	2,478,080
8	Jun 7, 2024 13:53	4,042	51,373,719	32,535,000	1,016,000	2,273,280
9	Jun 7, 2024 13:53	4,043	60,417,542	32,544,000	1,017,000	2,273,280
10	Jun 7, 2024 13:53	4,049	58,858,266	32,589,000	1,018,000	2,494,464
11	Jun 7, 2024 13:53	4,051	64,648,502	31,586,000	2,037,000	2,273,280
12	Jun 7, 2024 13:53	4,052	60,052,679	32,613,000	1,019,000	2,334,720
13	Jun 7, 2024 13:53	4,057	60,231,627	32,653,000	1,020,000	2,482,176
14	Jun 7, 2024 13:53	4,057	60,135,264	31,631,000	2,040,000	2,490,368
15	Jun 7, 2024 13:53	4,074	55,929,038	30,831,000	2,983,000	2,273,280
16	Jun 7, 2024 13:53	4,074	65,213,462	32,819,000	994,000	2,273,280
17	Jun 7, 2024 13:53	4,075	64,196,230	32,832,000	994,000	2,486,272
18	Jun 7, 2024 13:53	4,076	58,360,800	31,844,000	1,990,000	2,273,280
19	Jun 7, 2024 13:53	4,077	64,635,595	32,842,000	995,000	2,310,144
20	Jun 7, 2024 13:53	4,077	59,887,150	30,855,000	2,986,000	2,478,080
21	Jun 7, 2024 13:53	4,077	61,553,958	30,857,000	2,986,000	2,273,280
22	Jun 7, 2024 13:53	4,078	61,084,161	31,854,000	1,990,000	2,273,280
23	Jun 7, 2024 13:53	4,078	63,635,103	32,849,000	995,000	2,490,368
24	Jun 7, 2024 13:53	4,079	51,280,566	31,807,000	2,052,000	2,486,272
25	Jun 7, 2024 13:53	4,080	56,364,261	30,878,000	2,988,000	2,482,176
26	Jun 7, 2024 13:53	4,080	61,173,443	31,875,000	1,992,000	2,273,280
27	Jun 7, 2024 13:53	4,084	55,574,791	31,906,000	1,994,000	2,482,176
28	Jun 7, 2024 13:53	4,088	59,211,423	32,934,000	998,000	2,482,176
29	Jun 7, 2024 13:53	4,091	55,857,846	32,956,000	998,000	2,490,368
30	Jun 7, 2024 13:53	4,093	55,477,450	31,970,000	1,998,000	2,273,280
31	Jun 7, 2024 13:53	4,093	58,163,827	30,975,000	2,997,000	2,490,368
32	Jun 7, 2024 13:53	4,094	55,887,544	31,980,000	1,998,000	2,486,272
33	Jun 7, 2024 13:53	4,097	56,938,945	31,002,000	3,000,000	2,273,280
34	Jun 7, 2024 13:53	4,101	64,023,366	31,034,000	3,003,000	2,273,280
35	Jun 7, 2024 13:53	4,134	57,896,361	31,282,000	3,027,000	2,273,280
36	Jun 7, 2024 13:53	4,140	57,255,227	32,341,000	2,021,000	2,293,760
37	Jun 7, 2024 13:53	4,238	118,815,863	35,175,483	0	2,244,608
38	Jun 7, 2024 13:53	4,252	101,223,605	35,291,437	0	2,240,512
39	Jun 7, 2024 13:53	4,258	105,310,497	35,342,585	0	2,244,608
40	Jun 7, 2024 13:53	4,262	112,741,962	35,372,994	0	2,240,512
41	Jun 7, 2024 13:53	4,271	97,528,524	35,447,636	0	2,236,416
42	Jun 7, 2024 13:53	4,277	114,555,520	35,498,764	0	2,252,800
43	Jun 7, 2024 13:53	4,278	105,263,258	35,510,222	0	2,244,608
44	Jun 7, 2024 13:53	4,279	103,017,440	35,516,012	0	2,244,608
45	Jun 7, 2024 13:53	4,295	107,425,847	35,651,644	0	2,244,608
46	Jun 7, 2024 13:53	4,301	113,886,784	35,698,777	0	2,232,320
47	Jun 7, 2024 13:53	4,393	104,727,138	36,465,888	0	2,252,800
48	Jun 7, 2024 13:53	4,425	122,298,681	36,723,660	0	2,236,416

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