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 13:49	4,997	71,817,757	41,478,000	0	2,273,280
2	Jun 4, 2024 13:49	5,000	62,160,911	40,486,000	1,012,000	2,273,280
3	Jun 4, 2024 13:49	5,001	61,224,003	40,495,000	1,012,000	2,404,352
4	Jun 4, 2024 13:49	5,002	64,774,288	40,508,000	1,012,000	2,404,352
5	Jun 4, 2024 13:49	5,003	66,630,128	40,515,000	1,012,000	2,273,280
6	Jun 4, 2024 13:49	5,008	62,057,765	40,553,000	1,013,000	2,273,280
7	Jun 4, 2024 13:49	5,010	73,024,392	40,572,000	1,014,000	2,404,352
8	Jun 4, 2024 13:49	5,010	66,652,809	41,582,000	0	2,273,280
9	Jun 4, 2024 13:49	5,011	66,768,681	40,580,000	1,014,000	2,396,160
10	Jun 4, 2024 13:49	5,012	72,395,281	41,597,000	0	2,273,280
11	Jun 4, 2024 13:49	5,012	68,942,583	40,588,000	1,014,000	2,404,352
12	Jun 4, 2024 13:49	5,013	74,121,386	40,594,000	1,014,000	2,404,352
13	Jun 4, 2024 13:49	5,013	69,836,911	40,598,000	1,014,000	2,514,944
14	Jun 4, 2024 13:49	5,014	69,729,523	40,605,000	1,015,000	2,273,280
15	Jun 4, 2024 13:49	5,014	68,822,631	40,605,000	1,015,000	2,273,280
16	Jun 4, 2024 13:49	5,015	69,076,064	40,609,000	1,015,000	2,400,256
17	Jun 4, 2024 13:49	5,015	67,814,080	40,610,000	1,015,000	2,273,280
18	Jun 4, 2024 13:49	5,015	67,683,647	40,607,000	1,015,000	2,265,088
19	Jun 4, 2024 13:49	5,016	72,964,498	41,629,000	0	2,404,352
20	Jun 4, 2024 13:49	5,018	72,988,140	40,638,000	1,015,000	2,273,280
21	Jun 4, 2024 13:49	5,019	70,966,899	40,643,000	1,016,000	2,400,256
22	Jun 4, 2024 13:49	5,020	71,842,005	41,664,000	0	2,273,280
23	Jun 4, 2024 13:49	5,020	68,775,467	41,665,000	0	2,404,352
24	Jun 4, 2024 13:49	5,021	75,333,485	40,656,000	1,016,000	2,273,280
25	Jun 4, 2024 13:49	5,022	67,766,663	40,669,000	1,016,000	2,273,280
26	Jun 4, 2024 13:49	5,024	68,768,932	40,681,000	1,017,000	2,404,352
27	Jun 4, 2024 13:49	5,024	69,493,253	40,680,000	1,017,000	2,400,256
28	Jun 4, 2024 13:49	5,037	68,147,852	41,807,000	0	2,273,280
29	Jun 4, 2024 13:49	5,039	71,141,332	40,828,000	995,000	2,273,280
30	Jun 4, 2024 13:49	5,039	67,422,451	39,834,000	1,991,000	2,273,280
31	Jun 4, 2024 13:49	5,040	71,762,739	39,837,000	1,991,000	2,273,280
32	Jun 4, 2024 13:49	5,040	67,515,613	40,836,000	996,000	2,400,256
33	Jun 4, 2024 13:49	5,040	70,561,991	40,838,000	996,000	2,400,256
34	Jun 4, 2024 13:49	5,040	72,419,754	39,843,000	1,992,000	2,273,280
35	Jun 4, 2024 13:49	5,040	71,294,664	40,840,000	996,000	2,273,280
36	Jun 4, 2024 13:49	5,041	71,004,269	39,845,000	1,992,000	2,519,040
37	Jun 4, 2024 13:49	5,201	107,373,647	43,167,953	0	2,289,664
38	Jun 4, 2024 13:49	5,202	109,497,397	43,179,424	0	2,293,760
39	Jun 4, 2024 13:49	5,202	107,643,877	43,179,171	0	2,285,568
40	Jun 4, 2024 13:49	5,206	129,913,004	43,210,259	0	2,289,664
41	Jun 4, 2024 13:49	5,206	102,198,707	43,208,076	0	2,289,664
42	Jun 4, 2024 13:49	5,206	123,066,586	43,210,734	0	2,293,760
43	Jun 4, 2024 13:48	5,206	113,631,374	43,207,889	0	2,281,472
44	Jun 4, 2024 13:48	5,209	111,442,167	43,231,666	0	2,289,664
45	Jun 4, 2024 13:49	5,209	119,344,450	43,234,814	0	2,273,280
46	Jun 4, 2024 13:49	5,216	97,077,896	43,296,351	0	2,277,376
47	Jun 4, 2024 13:49	5,220	108,271,766	43,323,988	0	2,289,664
48	Jun 4, 2024 13:49	5,232	114,984,484	43,422,211	0	2,289,664
49	Jun 4, 2024 13:48	5,242	108,716,304	43,512,660	0	2,285,568
50	Jun 4, 2024 13:49	5,245	119,127,472	43,529,937	0	2,285,568
51	Jun 4, 2024 13:49	5,246	115,804,652	43,541,377	0	2,281,472
52	Jun 4, 2024 13:49	5,933	70,548,059	47,235,000	2,010,000	2,396,160
53	Jun 4, 2024 13:49	5,934	73,208,286	47,242,000	2,010,000	2,400,256
54	Jun 4, 2024 13:49	5,950	74,254,770	48,376,000	1,007,000	2,269,184
55	Jun 4, 2024 13:49	5,956	75,331,428	49,432,000	0	2,273,280
56	Jun 4, 2024 13:49	5,961	71,943,644	49,478,000	0	2,273,280
57	Jun 4, 2024 13:49	5,963	70,334,917	48,485,000	1,010,000	2,396,160
58	Jun 4, 2024 13:49	5,963	69,282,613	48,482,000	1,010,000	2,392,064
59	Jun 4, 2024 13:49	5,976	77,891,134	48,585,000	1,012,000	2,392,064
60	Jun 4, 2024 13:49	5,980	73,057,632	48,621,000	1,012,000	2,273,280
61	Jun 4, 2024 13:49	6,045	70,823,071	48,166,000	2,006,000	2,273,280
62	Jun 4, 2024 13:49	6,046	71,263,918	48,176,000	2,007,000	2,273,280
63	Jun 4, 2024 13:49	6,052	75,544,920	49,224,000	1,004,000	2,273,280

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