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 28, 2024 14:45	6,281	76,969,773	51,131,000	1,002,000	2,260,992
2	May 28, 2024 14:45	6,288	78,351,216	51,186,000	1,003,000	2,506,752
3	May 28, 2024 14:45	6,296	82,887,914	51,253,000	1,004,000	2,260,992
4	May 28, 2024 14:45	6,299	80,754,787	50,273,000	2,010,000	2,392,064
5	May 28, 2024 14:45	6,300	81,526,999	50,282,000	2,011,000	2,392,064
6	May 28, 2024 14:46	6,300	79,530,294	50,276,000	2,011,000	2,260,992
7	May 28, 2024 14:46	6,301	84,542,197	51,290,000	1,005,000	2,265,088
8	May 28, 2024 14:46	6,301	78,898,970	51,297,000	1,005,000	2,260,992
9	May 28, 2024 14:46	6,303	76,624,655	51,311,000	1,006,000	2,379,776
10	May 28, 2024 14:45	6,305	75,926,814	51,323,000	1,006,000	2,375,680
11	May 28, 2024 14:45	6,308	77,962,353	50,342,000	2,013,000	2,260,992
12	May 28, 2024 14:45	6,309	75,716,259	51,358,000	1,007,000	2,260,992
13	May 28, 2024 14:45	6,313	80,815,934	51,391,000	1,007,000	2,387,968
14	May 28, 2024 14:46	6,314	77,262,849	51,396,000	1,007,000	2,387,968
15	May 28, 2024 14:45	6,314	78,489,679	52,409,000	0	2,260,992
16	May 28, 2024 14:45	6,326	74,791,595	52,502,000	0	2,260,992
17	May 28, 2024 14:46	6,327	79,549,350	51,508,000	1,009,000	2,260,992
18	May 28, 2024 14:45	6,328	79,290,442	51,515,000	1,010,000	2,260,992
19	May 28, 2024 14:45	6,340	85,777,599	52,623,000	0	2,392,064
20	May 28, 2024 14:45	6,351	82,962,728	50,723,000	1,989,000	2,387,968
21	May 28, 2024 14:45	6,499	87,908,360	51,943,000	1,997,000	2,260,992
22	May 28, 2024 14:45	6,527	107,017,938	54,177,044	0	2,269,184
23	May 28, 2024 14:45	6,541	114,866,632	54,292,539	0	2,265,088
24	May 28, 2024 14:46	6,551	114,135,896	54,377,348	0	2,277,376
25	May 28, 2024 14:45	6,669	120,843,351	55,350,250	0	2,277,376
26	May 28, 2024 14:45	6,749	79,648,537	54,019,000	2,000,000	2,523,136
27	May 28, 2024 14:45	6,991	85,632,908	56,022,000	2,000,000	2,506,752
28	May 28, 2024 14:46	6,998	85,624,533	57,080,000	1,001,000	2,260,992
29	May 28, 2024 14:45	7,004	89,348,758	56,128,000	2,004,000	2,379,776
30	May 28, 2024 14:45	7,010	81,739,764	57,180,000	1,003,000	2,383,872
31	May 28, 2024 14:45	7,012	89,606,403	56,193,000	2,006,000	2,260,992
32	May 28, 2024 14:45	7,013	83,640,996	56,205,000	2,007,000	2,256,896
33	May 28, 2024 14:46	7,015	90,325,044	57,223,000	1,003,000	2,519,040
34	May 28, 2024 14:45	7,016	84,279,683	57,229,000	1,004,000	2,379,776
35	May 28, 2024 14:45	7,016	84,033,546	56,227,000	2,008,000	2,519,040
36	May 28, 2024 14:45	7,018	83,566,165	57,248,000	1,004,000	2,519,040
37	May 28, 2024 14:45	7,027	79,155,068	56,312,000	2,011,000	2,260,992
38	May 28, 2024 14:46	7,029	81,800,617	57,339,000	1,005,000	2,260,992
39	May 28, 2024 14:45	7,034	80,024,012	57,378,000	1,006,000	2,383,872
40	May 28, 2024 14:46	7,037	82,573,012	58,411,000	0	2,482,176
41	May 28, 2024 14:46	7,055	84,998,772	58,560,000	0	2,260,992
42	May 28, 2024 14:45	7,066	88,303,897	58,645,000	0	2,260,992
43	May 28, 2024 14:45	7,098	84,864,489	56,919,000	1,997,000	2,383,872
44	May 28, 2024 14:45	7,101	81,568,957	57,940,000	998,000	2,383,872
45	May 28, 2024 14:45	7,168	83,459,732	59,495,000	0	2,260,992
46	May 28, 2024 14:45	7,187	85,822,897	58,644,000	1,011,000	2,387,968
47	May 28, 2024 14:45	7,202	86,538,420	57,782,000	1,992,000	2,392,064
48	May 28, 2024 14:46	7,207	87,445,215	57,827,000	1,994,000	2,260,992
49	May 28, 2024 14:45	7,210	87,938,990	58,843,000	997,000	2,486,272
50	May 28, 2024 14:45	7,211	84,288,086	57,856,000	1,995,000	2,396,160
51	May 28, 2024 14:45	7,233	88,851,786	58,037,000	2,001,000	2,260,992
52	May 28, 2024 14:45	7,233	116,338,407	60,037,316	0	2,265,088
53	May 28, 2024 14:46	7,241	135,067,351	60,099,917	0	2,240,512
54	May 28, 2024 14:45	7,244	129,299,915	60,128,208	0	2,265,088
55	May 28, 2024 14:46	7,273	122,080,807	60,362,440	0	2,240,512
56	May 28, 2024 14:45	7,294	116,279,477	60,538,558	0	2,277,376
57	May 28, 2024 14:45	7,351	126,818,189	61,015,393	0	2,265,088
58	May 28, 2024 14:45	7,395	145,840,607	61,375,950	0	2,269,184
59	May 28, 2024 14:45	60,374	524,400,904	500,101,000	1,000,000	2,387,968
60	May 28, 2024 14:45	60,780	572,138,553	504,470,545	0	2,269,184

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