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 27, 2024 15:04	5,937	73,157,815	47,267,000	2,011,000	2,260,992
2	May 27, 2024 15:04	5,937	75,129,079	48,272,000	1,005,000	2,260,992
3	May 27, 2024 15:04	5,938	78,670,607	47,273,000	2,011,000	2,486,272
4	May 27, 2024 15:04	5,939	78,733,880	47,283,000	2,012,000	2,260,992
5	May 27, 2024 15:04	5,940	72,229,514	48,294,000	1,006,000	2,383,872
6	May 27, 2024 15:04	5,943	73,866,898	47,318,000	2,013,000	2,387,968
7	May 27, 2024 15:04	5,943	75,990,668	48,325,000	1,006,000	2,260,992
8	May 27, 2024 15:04	5,944	70,029,107	48,327,000	1,006,000	2,383,872
9	May 27, 2024 15:04	5,945	70,326,746	48,339,000	1,007,000	2,392,064
10	May 27, 2024 15:04	5,945	70,550,734	49,343,000	0	2,260,992
11	May 27, 2024 15:04	5,945	71,484,438	48,340,000	1,007,000	2,523,136
12	May 27, 2024 15:04	5,946	72,153,876	48,341,000	1,007,000	2,260,992
13	May 27, 2024 15:04	5,948	71,626,510	48,364,000	1,007,000	2,387,968
14	May 27, 2024 15:04	5,948	72,002,326	48,359,000	1,007,000	2,519,040
15	May 27, 2024 15:04	5,949	73,265,221	49,375,000	0	2,519,040
16	May 27, 2024 15:04	5,950	72,214,618	49,383,000	0	2,379,776
17	May 27, 2024 15:04	5,954	70,249,444	48,408,000	1,008,000	2,502,656
18	May 27, 2024 15:04	5,967	76,785,318	48,515,000	1,010,000	2,260,992
19	May 27, 2024 15:04	5,968	75,002,598	48,523,000	1,010,000	2,260,992
20	May 27, 2024 15:04	5,972	73,462,483	49,565,000	0	2,506,752
21	May 27, 2024 15:04	5,974	77,132,558	48,576,000	1,012,000	2,383,872
22	May 27, 2024 15:04	6,003	80,102,957	47,835,000	1,993,000	2,387,968
23	May 27, 2024 15:04	6,013	75,483,305	47,910,000	1,996,000	2,260,992
24	May 27, 2024 15:04	6,017	77,790,049	48,944,000	998,000	2,260,992
25	May 27, 2024 15:04	6,124	78,548,147	48,836,000	1,993,000	2,260,992
26	May 27, 2024 15:04	6,167	127,282,348	51,188,564	0	2,265,088
27	May 27, 2024 15:04	6,170	116,108,016	51,211,317	0	2,269,184
28	May 27, 2024 15:04	6,175	143,574,128	51,252,477	0	2,277,376
29	May 27, 2024 15:04	6,188	108,570,973	51,363,122	0	2,273,280
30	May 27, 2024 15:04	6,191	128,043,106	51,382,325	0	2,273,280
31	May 27, 2024 15:04	6,562	78,917,650	53,455,000	1,008,000	2,387,968
32	May 27, 2024 15:04	6,570	81,748,369	54,530,000	0	2,256,896
33	May 27, 2024 15:04	6,573	77,602,854	53,544,000	1,010,000	2,523,136
34	May 27, 2024 15:04	6,575	81,465,847	53,561,000	1,010,000	2,260,992
35	May 27, 2024 15:04	6,582	84,015,845	53,622,000	1,011,000	2,260,992
36	May 27, 2024 15:04	6,582	81,286,190	54,632,000	0	2,260,992
37	May 27, 2024 15:04	6,583	80,216,242	53,628,000	1,011,000	2,387,968
38	May 27, 2024 15:04	6,585	81,772,610	53,640,000	1,012,000	2,387,968
39	May 27, 2024 15:04	6,586	82,653,900	54,665,000	0	2,387,968
40	May 27, 2024 15:04	6,587	81,622,910	53,662,000	1,012,000	2,383,872
41	May 27, 2024 15:04	6,590	81,517,752	54,697,000	0	2,383,872
42	May 27, 2024 15:04	6,604	82,821,063	52,822,000	1,993,000	2,383,872
43	May 27, 2024 15:04	6,605	82,551,789	53,827,000	996,000	2,260,992
44	May 27, 2024 15:04	6,607	79,215,339	52,845,000	1,994,000	2,265,088
45	May 27, 2024 15:04	6,608	84,337,845	53,849,000	997,000	2,260,992
46	May 27, 2024 15:04	6,610	83,000,774	52,866,000	1,994,000	2,523,136
47	May 27, 2024 15:04	6,624	80,021,377	52,977,000	1,999,000	2,260,992
48	May 27, 2024 15:04	6,626	81,521,826	53,994,000	999,000	2,392,064
49	May 27, 2024 15:04	6,658	82,779,017	53,249,000	2,009,000	2,383,872
50	May 27, 2024 15:04	6,665	77,222,214	54,312,000	1,005,000	2,392,064
51	May 27, 2024 15:04	6,725	85,278,259	55,817,000	0	2,260,992
52	May 27, 2024 15:04	6,758	80,437,433	54,090,000	2,003,000	2,383,872
53	May 27, 2024 15:04	6,759	83,546,658	54,095,000	2,003,000	2,256,896
54	May 27, 2024 15:04	6,803	127,593,496	56,460,864	0	2,269,184
55	May 27, 2024 15:04	6,815	116,093,622	56,568,453	0	2,265,088
56	May 27, 2024 15:04	6,822	111,534,895	56,618,534	0	2,269,184
57	May 27, 2024 15:04	6,840	126,999,036	56,771,874	0	2,265,088
58	May 27, 2024 15:04	6,846	121,918,705	56,819,926	0	2,273,280
59	May 27, 2024 15:04	7,037	135,338,156	58,410,587	0	2,265,088
60	May 27, 2024 15:04	7,052	123,036,733	58,528,710	0	2,273,280

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