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 05:31	5,009	68,162,126	41,572,000	0	2,273,280
2	Jun 4, 2024 05:31	5,019	68,078,335	40,642,000	1,016,000	2,400,256
3	Jun 4, 2024 05:30	5,021	65,528,025	40,660,000	1,016,000	2,400,256
4	Jun 4, 2024 05:31	5,021	70,529,794	41,671,000	0	2,273,280
5	Jun 4, 2024 05:31	5,021	72,410,185	41,674,000	0	2,400,256
6	Jun 4, 2024 05:31	5,023	67,760,198	40,676,000	1,016,000	2,396,160
7	Jun 4, 2024 05:31	5,023	69,686,992	41,687,000	0	2,400,256
8	Jun 4, 2024 07:57	5,023	69,989,012	41,694,000	0	2,273,280
9	Jun 4, 2024 07:57	5,024	71,403,614	41,699,000	0	2,400,256
10	Jun 4, 2024 05:31	5,025	74,574,452	40,688,000	1,017,000	2,400,256
11	Jun 4, 2024 05:31	5,038	67,745,144	40,824,000	995,000	2,273,280
12	Jun 4, 2024 05:30	5,039	72,302,480	39,830,000	1,991,000	2,273,280
13	Jun 4, 2024 05:31	5,039	66,963,204	39,831,000	1,991,000	2,273,280
14	Jun 4, 2024 07:57	5,039	69,001,044	39,833,000	1,991,000	2,273,280
15	Jun 4, 2024 05:30	5,040	71,073,709	41,832,000	0	2,273,280
16	Jun 4, 2024 07:57	5,040	71,998,542	39,839,000	1,991,000	2,273,280
17	Jun 4, 2024 05:31	5,040	68,408,077	39,839,000	1,991,000	2,273,280
18	Jun 4, 2024 05:31	5,040	66,444,344	40,837,000	996,000	2,273,280
19	Jun 4, 2024 05:30	5,041	69,811,143	39,850,000	1,992,000	2,273,280
20	Jun 4, 2024 05:31	5,041	66,810,357	40,847,000	996,000	2,396,160
21	Jun 4, 2024 05:30	5,041	72,983,994	40,848,000	996,000	2,273,280
22	Jun 4, 2024 05:31	5,041	74,585,708	41,839,000	0	2,400,256
23	Jun 4, 2024 05:31	5,041	74,962,352	39,849,000	1,992,000	2,273,280
24	Jun 4, 2024 07:57	5,042	67,620,076	39,859,000	1,992,000	2,396,160
25	Jun 4, 2024 05:30	5,042	73,299,065	40,856,000	996,000	2,400,256
26	Jun 4, 2024 07:57	5,042	67,303,797	40,854,000	996,000	2,273,280
27	Jun 4, 2024 05:30	5,042	75,778,955	40,853,000	996,000	2,273,280
28	Jun 4, 2024 07:57	5,043	67,903,708	40,863,000	996,000	2,400,256
29	Jun 4, 2024 05:30	5,046	71,952,968	40,882,000	997,000	2,404,352
30	Jun 4, 2024 05:31	5,046	61,573,767	40,882,000	997,000	2,273,280
31	Jun 4, 2024 05:31	5,047	63,475,763	41,887,000	0	2,404,352
32	Jun 4, 2024 05:31	5,049	66,451,438	39,908,000	1,995,000	2,404,352
33	Jun 4, 2024 05:31	5,049	61,374,872	39,913,000	1,995,000	2,273,280
34	Jun 4, 2024 07:57	5,049	70,703,670	39,908,000	1,995,000	2,273,280
35	Jun 4, 2024 05:30	5,060	70,070,378	40,997,000	999,000	2,396,160
36	Jun 4, 2024 07:57	5,116	72,497,949	42,463,000	0	2,404,352
37	Jun 4, 2024 05:30	5,214	124,312,523	43,275,922	0	2,281,472
38	Jun 4, 2024 07:58	5,220	119,840,387	43,328,784	0	2,289,664
39	Jun 4, 2024 05:30	5,223	105,577,238	43,347,906	0	2,285,568
40	Jun 4, 2024 07:58	5,225	104,794,889	43,370,635	0	2,285,568
41	Jun 4, 2024 07:57	5,226	116,683,643	43,372,375	0	2,285,568
42	Jun 4, 2024 05:31	5,230	105,759,053	43,412,740	0	2,293,760
43	Jun 4, 2024 07:58	5,231	104,738,471	43,418,536	0	2,285,568
44	Jun 4, 2024 05:30	5,233	118,476,926	43,436,102	0	2,293,760
45	Jun 4, 2024 05:31	5,234	101,301,378	43,439,965	0	2,281,472
46	Jun 4, 2024 05:31	5,237	100,919,030	43,463,821	0	2,289,664
47	Jun 4, 2024 05:31	5,238	114,795,850	43,472,768	0	2,289,664
48	Jun 4, 2024 05:30	5,239	111,746,482	43,480,596	0	2,285,568
49	Jun 4, 2024 05:31	5,247	107,458,665	43,553,141	0	2,277,376
50	Jun 4, 2024 07:57	5,249	121,603,691	43,565,542	0	2,281,472
51	Jun 4, 2024 07:57	5,249	122,731,418	43,566,390	0	2,289,664
52	Jun 4, 2024 05:31	5,252	119,369,766	43,593,534	0	2,289,664
53	Jun 4, 2024 05:30	5,268	102,103,052	43,723,226	0	2,281,472
54	Jun 4, 2024 05:30	5,283	113,260,249	43,851,405	0	2,277,376
55	Jun 4, 2024 05:31	5,939	70,347,543	47,283,000	2,012,000	2,273,280
56	Jun 4, 2024 05:31	5,943	73,685,580	48,322,000	1,006,000	2,273,280
57	Jun 4, 2024 07:57	5,949	74,253,300	48,366,000	1,007,000	2,387,968
58	Jun 4, 2024 05:30	5,953	75,912,772	48,401,000	1,008,000	2,273,280
59	Jun 4, 2024 07:57	5,959	73,166,601	49,460,000	0	2,273,280
60	Jun 4, 2024 05:30	5,970	70,502,616	49,552,000	0	2,273,280
61	Jun 4, 2024 05:31	5,974	82,132,293	49,587,000	0	2,408,448
62	Jun 4, 2024 05:31	5,977	72,992,730	48,593,000	1,012,000	2,396,160
63	Jun 4, 2024 07:57	6,002	75,661,811	47,825,000	1,992,000	2,404,352
64	Jun 4, 2024 05:31	6,002	72,821,993	47,828,000	1,992,000	2,387,968
65	Jun 4, 2024 05:31	6,013	78,589,639	47,913,000	1,996,000	2,273,280
66	Jun 4, 2024 05:30	6,023	77,080,458	48,990,000	999,000	2,273,280

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