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 4, 2024 14:40	4,954	64,633,091	39,116,000	2,005,000	2,396,160
2	Jun 4, 2024 14:40	4,958	66,721,274	39,145,000	2,007,000	2,273,280
3	Jun 4, 2024 14:40	4,961	62,598,783	39,166,000	2,008,000	2,273,280
4	Jun 4, 2024 14:40	4,962	67,105,236	39,179,000	2,009,000	2,392,064
5	Jun 4, 2024 14:40	4,963	66,637,580	40,191,000	1,004,000	2,273,280
6	Jun 4, 2024 14:40	4,966	62,167,590	39,211,000	2,010,000	2,273,280
7	Jun 4, 2024 14:40	4,968	62,769,488	39,222,000	2,011,000	2,400,256
8	Jun 4, 2024 14:40	4,968	65,923,752	39,225,000	2,011,000	2,273,280
9	Jun 4, 2024 14:40	4,968	65,565,013	39,221,000	2,011,000	2,273,280
10	Jun 4, 2024 14:40	4,968	73,249,791	39,223,000	2,011,000	2,404,352
11	Jun 4, 2024 14:40	4,969	65,722,836	39,232,000	2,011,000	2,273,280
12	Jun 4, 2024 14:40	4,970	63,870,161	39,236,000	2,012,000	2,396,160
13	Jun 4, 2024 14:40	4,970	62,437,032	39,241,000	2,012,000	2,273,280
14	Jun 4, 2024 14:40	4,971	63,760,922	39,247,000	2,012,000	2,400,256
15	Jun 4, 2024 14:40	4,971	60,350,542	39,251,000	2,012,000	2,273,280
16	Jun 4, 2024 14:40	4,972	64,209,484	40,263,000	1,006,000	2,396,160
17	Jun 4, 2024 14:40	4,972	67,184,385	40,259,000	1,006,000	2,510,848
18	Jun 4, 2024 14:40	4,973	64,029,293	39,259,000	2,013,000	2,400,256
19	Jun 4, 2024 14:40	4,973	64,552,452	40,272,000	1,006,000	2,510,848
20	Jun 4, 2024 14:40	4,973	63,062,248	40,267,000	1,006,000	2,273,280
21	Jun 4, 2024 14:40	4,974	63,347,632	40,280,000	1,007,000	2,273,280
22	Jun 4, 2024 14:40	4,976	71,636,705	41,298,000	0	2,404,352
23	Jun 4, 2024 14:40	4,976	70,101,619	40,296,000	1,007,000	2,408,448
24	Jun 4, 2024 14:40	4,977	65,921,169	39,292,000	2,014,000	2,400,256
25	Jun 4, 2024 14:40	4,977	65,231,989	41,309,000	0	2,273,280
26	Jun 4, 2024 14:40	4,977	67,697,090	40,305,000	1,007,000	2,404,352
27	Jun 4, 2024 14:40	4,979	65,426,682	40,319,000	1,007,000	2,273,280
28	Jun 4, 2024 14:40	4,980	65,272,731	40,329,000	1,008,000	2,400,256
29	Jun 4, 2024 14:40	4,981	64,153,009	41,345,000	0	2,273,280
30	Jun 4, 2024 14:40	4,983	66,817,148	39,391,000	1,969,000	2,396,160
31	Jun 4, 2024 14:40	4,985	63,699,701	41,377,000	0	2,273,280
32	Jun 4, 2024 14:40	4,985	67,478,749	41,373,000	0	2,273,280
33	Jun 4, 2024 14:40	4,988	68,518,341	40,395,000	1,009,000	2,404,352
34	Jun 4, 2024 14:40	4,989	61,989,020	41,411,000	0	2,273,280
35	Jun 4, 2024 14:40	4,990	63,969,990	40,406,000	1,010,000	2,273,280
36	Jun 4, 2024 14:40	5,000	67,413,259	40,487,000	1,012,000	2,273,280
37	Jun 4, 2024 14:40	5,101	108,855,038	42,342,261	0	2,281,472
38	Jun 4, 2024 14:40	5,102	110,777,143	42,344,530	0	2,281,472
39	Jun 4, 2024 14:40	5,103	99,902,825	42,352,295	0	2,281,472
40	Jun 4, 2024 14:40	5,105	108,071,818	42,371,344	0	2,281,472
41	Jun 4, 2024 14:40	5,105	103,478,320	42,371,466	0	2,281,472
42	Jun 4, 2024 14:40	5,110	105,912,793	42,416,329	0	2,281,472
43	Jun 4, 2024 14:40	5,111	129,388,817	42,419,692	0	2,289,664
44	Jun 4, 2024 14:40	5,112	124,440,822	42,427,044	0	2,289,664
45	Jun 4, 2024 14:40	5,112	122,864,743	42,432,299	0	2,281,472
46	Jun 4, 2024 14:40	5,120	101,958,229	42,496,336	0	2,293,760
47	Jun 4, 2024 14:40	5,123	105,369,586	42,517,705	0	2,285,568
48	Jun 4, 2024 14:40	5,132	110,270,990	42,598,675	0	2,281,472
49	Jun 4, 2024 14:40	5,922	73,839,733	47,147,000	2,006,000	2,273,280
50	Jun 4, 2024 14:40	5,925	75,724,459	48,171,000	1,003,000	2,273,280
51	Jun 4, 2024 14:40	5,932	79,229,133	48,229,000	1,004,000	2,273,280
52	Jun 4, 2024 14:40	5,940	75,508,982	47,289,000	2,012,000	2,392,064
53	Jun 4, 2024 14:40	5,945	74,826,475	49,343,000	0	2,273,280
54	Jun 4, 2024 14:40	5,946	77,264,887	48,341,000	1,007,000	2,392,064
55	Jun 4, 2024 14:40	5,948	73,858,349	48,359,000	1,007,000	2,273,280
56	Jun 4, 2024 14:40	5,955	72,045,717	48,415,000	1,008,000	2,269,184
57	Jun 4, 2024 14:40	5,960	71,949,492	49,472,000	0	2,404,352
58	Jun 4, 2024 14:40	6,006	75,514,146	47,856,000	1,994,000	2,400,256
59	Jun 4, 2024 14:40	6,213	81,892,408	49,547,000	2,022,000	3,170,304
60	Jun 4, 2024 14:40	6,342	89,235,425	51,603,000	1,032,000	4,112,384

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