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	Error
1	May 31, 2024 13:49	0	0	0	0	0	Error: expected "53683618012708105 ", got "53683618012707849 "
2	May 31, 2024 13:49	5,188	70,982,423	42,060,000	1,001,000	2,400,256
3	May 31, 2024 13:49	5,197	65,590,614	41,132,000	2,006,000	2,273,280
4	May 31, 2024 13:49	5,199	71,671,160	42,145,000	1,003,000	2,273,280
5	May 31, 2024 13:49	5,199	72,364,275	42,150,000	1,003,000	2,273,280
6	May 31, 2024 13:49	5,200	66,919,187	42,154,000	1,003,000	2,273,280
7	May 31, 2024 13:49	5,201	69,605,439	41,158,000	2,007,000	2,408,448
8	May 31, 2024 13:49	5,202	71,738,324	41,165,000	2,008,000	2,400,256
9	May 31, 2024 13:49	5,202	67,123,742	41,170,000	2,008,000	2,396,160
10	May 31, 2024 13:49	5,203	67,917,994	41,181,000	2,008,000	2,273,280
11	May 31, 2024 13:49	5,203	68,613,652	42,178,000	1,004,000	2,273,280
12	May 31, 2024 13:49	5,205	67,308,040	41,192,000	2,009,000	2,273,280
13	May 31, 2024 13:49	5,205	72,161,834	42,197,000	1,004,000	2,514,944
14	May 31, 2024 13:49	5,205	66,189,500	42,195,000	1,004,000	2,273,280
15	May 31, 2024 13:49	5,206	67,319,825	41,201,000	2,009,000	2,404,352
16	May 31, 2024 13:49	5,208	71,639,515	41,213,000	2,010,000	2,273,280
17	May 31, 2024 13:49	5,213	65,854,989	42,264,000	1,006,000	2,273,280
18	May 31, 2024 13:49	5,213	70,891,640	41,253,000	2,012,000	2,273,280
19	May 31, 2024 13:49	5,214	68,092,713	42,270,000	1,006,000	2,273,280
20	May 31, 2024 13:49	5,215	76,846,052	42,275,000	1,006,000	2,273,280
21	May 31, 2024 13:49	5,220	77,282,962	43,323,000	0	2,273,280
22	May 31, 2024 13:49	5,220	65,958,968	43,325,000	0	2,396,160
23	May 31, 2024 13:49	5,223	65,795,436	42,340,000	1,008,000	2,273,280
24	May 31, 2024 13:49	5,224	72,035,793	42,351,000	1,008,000	2,273,280
25	May 31, 2024 13:49	5,225	69,951,885	42,361,000	1,008,000	2,387,968
26	May 31, 2024 13:49	5,225	70,047,066	43,369,000	0	2,273,280
27	May 31, 2024 13:49	5,228	67,414,948	42,382,000	1,009,000	2,404,352
28	May 31, 2024 13:49	5,234	65,636,282	43,446,000	0	2,273,280
29	May 31, 2024 13:49	5,240	66,513,618	42,502,000	988,000	2,273,280
30	May 31, 2024 13:49	5,242	62,914,862	42,499,000	1,011,000	2,408,448
31	May 31, 2024 13:49	5,246	69,685,824	41,561,000	1,979,000	2,396,160
32	May 31, 2024 13:49	5,260	74,391,712	43,654,000	0	2,273,280
33	May 31, 2024 13:49	5,292	70,310,446	42,927,000	998,000	2,273,280
34	May 31, 2024 13:49	5,313	67,121,528	42,098,000	2,004,000	2,273,280
35	May 31, 2024 13:49	5,361	70,565,885	43,482,000	1,011,000	2,273,280
36	May 31, 2024 13:49	5,374	69,764,216	43,588,000	1,013,000	2,273,280
37	May 31, 2024 13:49	5,400	70,729,199	43,824,000	996,000	2,273,280
38	May 31, 2024 13:49	5,409	107,724,954	44,892,811	0	2,285,568
39	May 31, 2024 13:49	5,410	113,630,827	44,903,153	0	2,281,472
40	May 31, 2024 13:49	5,410	115,411,637	44,904,568	0	2,285,568
41	May 31, 2024 13:49	5,410	103,897,282	44,901,161	0	2,285,568
42	May 31, 2024 13:49	5,411	104,515,103	44,908,364	0	2,281,472
43	May 31, 2024 13:49	5,411	97,910,004	44,909,641	0	2,293,760
44	May 31, 2024 13:49	5,412	112,515,609	44,920,742	0	2,285,568
45	May 31, 2024 13:49	5,413	102,223,702	44,929,474	0	2,277,376
46	May 31, 2024 13:49	5,414	106,751,279	44,936,383	0	2,277,376
47	May 31, 2024 13:49	5,419	118,210,998	44,977,771	0	2,277,376
48	May 31, 2024 13:49	5,421	118,050,912	44,990,682	0	2,285,568
49	May 31, 2024 13:49	5,426	129,356,203	45,035,305	0	2,277,376
50	May 31, 2024 13:49	5,435	121,647,918	45,108,434	0	2,285,568
51	May 31, 2024 13:49	5,581	99,628,461	46,322,063	0	2,269,184
52	May 31, 2024 13:49	5,624	116,966,851	46,679,095	0	2,289,664

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