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	Aug 24, 2023 04:54	0	0	0	0	0	Error: expected "53692774808831787 ", got "53692749208831787 "	stderr
2	Aug 24, 2023 04:53	0	0	0	0	0	Error: expected "53683194135054912 ", got "53683168535054912 "	stderr
3	Aug 24, 2023 04:47	0	0	0	0	0	Error: expected "53682986711753249 ", got "53682961111753249 "	stderr
4	Aug 24, 2023 04:47	0	0	0	0	0	Error: expected "53685355603949826 ", got "53685330003949826 "	stderr
5	Aug 24, 2023 04:47	0	0	0	0	0	Error: expected "53683017255470442 ", got "53682966029870442 "	stderr
6	Aug 24, 2023 04:46	0	0	0	0	0	Error: expected "53692192836653372 ", got "53692167236653372 "	stderr
7	Aug 24, 2023 04:54	8,001	90,504,469	64,394,000	2,012,000	2,514,944
8	Aug 24, 2023 04:54	8,008	88,325,339	65,462,000	1,007,000	2,277,376
9	Aug 24, 2023 04:54	8,016	89,933,911	66,530,000	0	2,277,376
10	Aug 24, 2023 04:48	8,019	92,276,774	65,548,000	1,008,000	2,277,376
11	Aug 24, 2023 04:54	8,024	94,193,545	65,590,000	1,009,000	2,277,376
12	Aug 24, 2023 04:54	8,030	100,787,194	66,647,000	0	2,277,376
13	Aug 24, 2023 04:48	8,047	91,149,724	65,796,000	996,000	2,514,944
14	Aug 24, 2023 04:54	8,080	93,922,069	65,061,000	2,001,000	2,514,944
15	Aug 24, 2023 04:48	8,090	91,089,243	65,140,000	2,004,000	2,277,376
16	Aug 24, 2023 04:48	8,096	91,902,044	65,190,000	2,005,000	2,277,376
17	Aug 24, 2023 04:54	8,211	91,531,045	67,150,000	1,002,000	2,535,424
18	Aug 24, 2023 04:48	8,267	94,464,534	67,610,000	1,009,000	2,514,944
19	Aug 24, 2023 04:54	8,296	95,314,732	66,860,000	1,995,000	2,510,848
20	Aug 24, 2023 04:48	8,334	93,715,968	67,166,000	2,004,000	2,277,376
21	Aug 24, 2023 04:54	8,358	90,439,314	67,360,000	2,010,000	2,273,280
22	Aug 24, 2023 04:48	8,376	90,404,959	68,510,000	1,007,000	2,277,376
23	Aug 24, 2023 04:48	8,378	95,254,674	69,541,000	0	2,510,848
24	Aug 24, 2023 04:56	8,414	141,732,889	69,834,277	0	2,281,472
25	Aug 24, 2023 04:56	8,415	126,664,902	69,848,277	0	2,273,280
26	Aug 24, 2023 04:54	8,420	122,101,363	69,884,283	0	2,281,472
27	Aug 24, 2023 04:48	8,421	141,470,144	69,895,065	0	2,281,472
28	Aug 24, 2023 05:40	8,429	130,949,879	69,961,899	0	2,265,088
29	Aug 24, 2023 04:53	8,438	135,551,361	70,033,045	0	2,281,472
30	Aug 24, 2023 05:40	8,445	148,174,707	70,090,353	0	2,281,472
31	Aug 24, 2023 04:48	8,470	93,698,393	68,294,000	2,008,000	2,277,376
32	Aug 24, 2023 05:40	8,489	131,644,268	70,458,385	0	2,273,280
33	Aug 24, 2023 04:48	8,500	139,636,049	70,547,328	0	2,269,184
34	Aug 24, 2023 04:53	8,505	146,644,990	70,592,459	0	2,277,376
35	Aug 24, 2023 05:40	8,523	142,437,151	70,739,224	0	2,273,280
36	Aug 24, 2023 04:53	8,527	143,975,730	70,774,751	0	2,277,376
37	Aug 24, 2023 04:53	8,570	134,693,408	71,130,245	0	2,265,088
38	Aug 24, 2023 05:40	8,625	132,604,917	71,584,844	0	2,252,800
39	Aug 24, 2023 04:54	8,643	132,347,223	71,735,895	0	2,281,472
40	Aug 24, 2023 04:53	8,662	140,026,231	71,898,647	0	2,273,280
41	Aug 24, 2023 05:40	8,663	139,555,433	71,905,627	0	2,265,088
42	Aug 24, 2023 04:54	8,676	140,831,235	72,014,791	0	2,281,472
43	Aug 24, 2023 04:56	8,733	141,625,107	72,486,701	0	2,252,800
44	Aug 24, 2023 04:48	8,809	128,354,538	73,113,935	0	2,277,376
45	Aug 24, 2023 04:53	8,829	141,839,555	73,278,953	0	2,285,568

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