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 17:54	4,993	70,266,371	40,430,000	1,010,000	2,392,064
2	Jun 4, 2024 17:54	4,994	72,694,799	40,443,000	1,011,000	2,400,256
3	Jun 4, 2024 17:54	4,995	64,198,905	41,457,000	0	2,273,280
4	Jun 4, 2024 17:54	4,995	62,129,065	40,447,000	1,011,000	2,404,352
5	Jun 4, 2024 17:54	4,995	63,612,110	40,451,000	1,011,000	2,404,352
6	Jun 4, 2024 17:54	4,997	62,363,181	40,462,000	1,011,000	2,396,160
7	Jun 4, 2024 17:54	4,997	62,305,797	40,467,000	1,011,000	2,494,464
8	Jun 4, 2024 17:54	5,001	63,472,145	40,499,000	1,012,000	2,396,160
9	Jun 4, 2024 17:54	5,003	66,881,417	41,521,000	0	2,273,280
10	Jun 4, 2024 17:54	5,003	68,313,873	41,528,000	0	2,408,448
11	Jun 4, 2024 17:54	5,004	63,207,354	40,521,000	1,013,000	2,392,064
12	Jun 4, 2024 17:54	5,004	65,190,765	40,523,000	1,013,000	2,273,280
13	Jun 4, 2024 17:54	5,005	66,403,653	41,538,000	0	2,535,424
14	Jun 4, 2024 17:54	5,005	63,113,056	40,532,000	1,013,000	2,408,448
15	Jun 4, 2024 17:54	5,005	65,790,781	40,527,000	1,013,000	2,273,280
16	Jun 4, 2024 17:54	5,005	67,502,951	40,525,000	1,013,000	2,396,160
17	Jun 4, 2024 17:54	5,006	66,747,664	40,538,000	1,013,000	2,400,256
18	Jun 4, 2024 17:54	5,007	66,510,910	40,546,000	1,013,000	2,273,280
19	Jun 4, 2024 17:54	5,008	72,968,978	40,556,000	1,013,000	2,392,064
20	Jun 4, 2024 17:54	5,008	67,129,167	40,550,000	1,013,000	2,273,280
21	Jun 4, 2024 17:54	5,008	62,791,559	40,552,000	1,013,000	2,273,280
22	Jun 4, 2024 17:54	5,009	68,431,712	40,558,000	1,013,000	2,404,352
23	Jun 4, 2024 17:54	5,009	68,136,490	40,559,000	1,013,000	2,273,280
24	Jun 4, 2024 17:54	5,009	71,851,997	40,562,000	1,014,000	2,273,280
25	Jun 4, 2024 17:54	5,010	68,185,858	40,569,000	1,014,000	2,404,352
26	Jun 4, 2024 17:54	5,011	68,305,904	40,579,000	1,014,000	2,260,992
27	Jun 4, 2024 17:54	5,011	70,049,574	40,579,000	1,014,000	2,392,064
28	Jun 4, 2024 17:54	5,013	67,031,208	40,593,000	1,014,000	2,400,256
29	Jun 4, 2024 17:54	5,013	75,944,193	40,595,000	1,014,000	2,273,280
30	Jun 4, 2024 17:54	5,014	68,901,726	40,601,000	1,015,000	2,400,256
31	Jun 4, 2024 17:54	5,014	65,813,822	40,599,000	1,014,000	2,273,280
32	Jun 4, 2024 17:54	5,015	68,528,425	40,613,000	1,015,000	2,396,160
33	Jun 4, 2024 17:54	5,019	67,552,756	41,657,000	0	2,400,256
34	Jun 4, 2024 17:54	5,019	68,205,366	40,644,000	1,016,000	2,273,280
35	Jun 4, 2024 17:54	5,026	69,062,370	40,719,000	993,000	2,273,280
36	Jun 4, 2024 17:54	5,037	65,666,936	40,813,000	995,000	2,490,368
37	Jun 4, 2024 17:54	5,084	108,877,188	42,193,305	0	2,285,568
38	Jun 4, 2024 17:54	5,090	108,864,541	42,244,959	0	2,277,376
39	Jun 4, 2024 17:54	5,091	104,535,860	42,258,448	0	2,289,664
40	Jun 4, 2024 17:54	5,092	101,804,402	42,267,076	0	2,281,472
41	Jun 4, 2024 17:54	5,093	108,592,010	42,269,989	0	2,293,760
42	Jun 4, 2024 17:54	5,093	93,656,072	42,275,416	0	2,281,472
43	Jun 4, 2024 17:54	5,099	102,620,123	42,322,268	0	2,281,472
44	Jun 4, 2024 17:54	5,101	111,651,717	42,334,424	0	2,277,376
45	Jun 4, 2024 17:54	5,103	113,540,657	42,358,066	0	2,285,568
46	Jun 4, 2024 17:54	5,110	102,988,323	42,413,796	0	2,285,568
47	Jun 4, 2024 17:54	5,114	106,101,720	42,448,045	0	2,285,568
48	Jun 4, 2024 17:54	5,317	114,130,459	44,133,696	0	2,285,568
49	Jun 4, 2024 17:54	5,916	72,079,618	48,098,000	1,002,000	2,396,160
50	Jun 4, 2024 17:54	5,936	70,021,374	48,262,000	1,005,000	2,273,280
51	Jun 4, 2024 17:54	5,962	74,722,370	48,479,000	1,009,000	2,273,280
52	Jun 4, 2024 17:54	5,962	69,264,262	49,486,000	0	2,392,064
53	Jun 4, 2024 17:54	5,972	78,796,568	49,567,000	0	2,273,280
54	Jun 4, 2024 17:54	5,973	78,508,765	48,561,000	1,011,000	2,400,256
55	Jun 4, 2024 17:54	5,977	73,903,092	48,598,000	1,012,000	2,273,280
56	Jun 4, 2024 17:54	5,982	82,254,985	48,658,000	993,000	2,273,280
57	Jun 4, 2024 17:54	5,984	76,957,765	48,654,000	1,013,000	2,404,352

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