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 7, 2024 13:56	4,000	56,933,697	30,182,000	3,018,000	2,269,184
2	Jun 7, 2024 13:56	4,014	53,383,942	30,287,000	3,028,000	2,273,280
3	Jun 7, 2024 13:56	4,015	57,973,457	30,297,000	3,029,000	2,490,368
4	Jun 7, 2024 13:56	4,039	59,170,935	32,509,000	1,015,000	2,338,816
5	Jun 7, 2024 13:56	4,042	60,854,569	32,533,000	1,016,000	2,482,176
6	Jun 7, 2024 13:56	4,045	54,640,667	31,536,000	2,034,000	2,359,296
7	Jun 7, 2024 13:56	4,047	59,780,527	31,555,000	2,035,000	2,310,144
8	Jun 7, 2024 13:56	4,047	58,649,297	32,570,000	1,017,000	2,273,280
9	Jun 7, 2024 13:56	4,053	66,321,710	31,604,000	2,038,000	2,273,280
10	Jun 7, 2024 13:56	4,053	69,214,278	31,600,000	2,038,000	2,273,280
11	Jun 7, 2024 13:56	4,057	66,202,919	32,653,000	1,020,000	2,273,280
12	Jun 7, 2024 13:56	4,057	62,773,239	32,652,000	1,020,000	2,273,280
13	Jun 7, 2024 13:56	4,057	64,949,025	32,649,000	1,020,000	2,396,160
14	Jun 7, 2024 13:56	4,059	62,103,511	32,670,000	1,020,000	2,486,272
15	Jun 7, 2024 13:56	4,060	59,452,513	33,701,000	0	2,273,280
16	Jun 7, 2024 13:56	4,060	59,586,816	31,657,000	2,042,000	2,490,368
17	Jun 7, 2024 13:56	4,060	60,744,713	31,655,000	2,042,000	2,273,280
18	Jun 7, 2024 13:56	4,073	65,611,856	31,822,000	1,988,000	2,273,280
19	Jun 7, 2024 13:56	4,076	56,419,545	32,836,000	995,000	2,478,080
20	Jun 7, 2024 13:56	4,076	59,945,598	30,849,000	2,985,000	2,273,280
21	Jun 7, 2024 13:56	4,076	60,972,522	31,842,000	1,990,000	2,371,584
22	Jun 7, 2024 13:56	4,076	61,100,951	32,833,000	994,000	2,486,272
23	Jun 7, 2024 13:56	4,076	63,219,213	31,842,000	1,990,000	2,490,368
24	Jun 7, 2024 13:56	4,077	59,371,620	32,840,000	995,000	2,486,272
25	Jun 7, 2024 13:56	4,077	64,662,393	31,852,000	1,990,000	2,273,280
26	Jun 7, 2024 13:56	4,077	61,300,393	30,854,000	2,985,000	2,273,280
27	Jun 7, 2024 13:56	4,077	56,369,285	32,840,000	995,000	2,478,080
28	Jun 7, 2024 13:56	4,077	54,198,525	30,856,000	2,986,000	2,273,280
29	Jun 7, 2024 13:56	4,077	58,145,689	30,852,000	2,985,000	2,486,272
30	Jun 7, 2024 13:56	4,079	62,080,512	33,852,000	0	2,482,176
31	Jun 7, 2024 13:56	4,079	56,720,629	30,868,000	2,987,000	2,490,368
32	Jun 7, 2024 13:56	4,079	59,101,208	31,862,000	1,991,000	2,490,368
33	Jun 7, 2024 13:56	4,080	64,244,983	30,874,000	2,987,000	2,273,280
34	Jun 7, 2024 13:56	4,080	58,837,783	30,876,000	2,988,000	2,490,368
35	Jun 7, 2024 13:56	4,083	59,363,146	31,894,000	1,993,000	2,273,280
36	Jun 7, 2024 13:56	4,085	58,367,236	32,905,000	997,000	2,490,368
37	Jun 7, 2024 13:56	4,086	59,459,137	31,918,000	1,994,000	2,273,280
38	Jun 7, 2024 13:56	4,099	60,166,492	32,024,000	2,001,000	2,494,464
39	Jun 7, 2024 13:56	4,105	58,224,686	32,067,000	2,004,000	2,273,280
40	Jun 7, 2024 13:56	4,105	56,092,799	31,065,000	3,006,000	2,273,280
41	Jun 7, 2024 13:56	4,107	62,406,711	32,082,000	2,005,000	2,297,856
42	Jun 7, 2024 13:56	4,109	60,848,077	33,100,000	1,003,000	2,486,272
43	Jun 7, 2024 13:56	4,115	60,281,537	32,146,000	2,009,000	2,273,280
44	Jun 7, 2024 13:56	4,116	56,695,933	31,152,000	3,014,000	2,273,280
45	Jun 7, 2024 13:56	4,124	56,709,968	32,220,000	2,013,000	2,273,280
46	Jun 7, 2024 13:56	4,143	56,152,390	32,366,000	2,022,000	2,273,280
47	Jun 7, 2024 13:56	4,162	62,137,119	34,542,000	0	2,273,280
48	Jun 7, 2024 13:56	4,230	56,499,472	32,097,000	3,009,000	2,273,280
49	Jun 7, 2024 13:56	4,240	102,292,603	35,189,962	0	2,240,512
50	Jun 7, 2024 13:56	4,246	119,912,417	35,243,015	0	2,232,320
51	Jun 7, 2024 13:56	4,246	106,896,325	35,244,884	0	2,240,512
52	Jun 7, 2024 13:56	4,251	123,783,844	35,279,950	0	2,240,512
53	Jun 7, 2024 13:56	4,264	109,925,977	35,391,186	0	2,244,608
54	Jun 7, 2024 13:56	4,269	111,117,801	35,435,820	0	2,236,416
55	Jun 7, 2024 13:56	4,275	111,434,987	35,483,506	0	2,244,608
56	Jun 7, 2024 13:56	4,283	105,801,833	35,545,292	0	2,367,488
57	Jun 7, 2024 13:56	4,330	103,180,503	35,937,859	0	2,240,512
58	Jun 7, 2024 13:56	4,332	113,727,667	35,957,127	0	2,236,416
59	Jun 7, 2024 13:56	4,442	110,757,889	36,869,327	0	2,240,512
60	Jun 7, 2024 13:56	4,480	101,358,683	37,184,646	0	2,236,416

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