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 09:52	0	0	0	0	0	Error: expected "53685971915964231 ", got "53686121984639467 "
2	May 31, 2024 09:52	5,093	65,299,918	41,265,000	1,006,000	2,396,160
3	May 31, 2024 09:52	5,094	65,248,004	40,271,000	2,013,000	2,273,280
4	May 31, 2024 09:52	5,094	70,165,228	41,271,000	1,006,000	2,273,280
5	May 31, 2024 09:52	5,100	67,614,042	41,327,000	1,007,000	2,392,064
6	May 31, 2024 09:52	5,106	65,867,133	42,376,000	0	2,273,280
7	May 31, 2024 09:52	5,107	68,963,356	41,383,000	1,009,000	2,273,280
8	May 31, 2024 09:52	5,107	64,186,592	41,376,000	1,009,000	2,273,280
9	May 31, 2024 09:52	5,108	66,575,076	41,384,000	1,009,000	2,400,256
10	May 31, 2024 09:52	5,109	74,635,097	42,402,000	0	2,273,280
11	May 31, 2024 09:52	5,109	69,249,631	41,395,000	1,009,000	2,273,280
12	May 31, 2024 09:52	5,110	68,858,839	42,417,000	0	2,273,280
13	May 31, 2024 09:52	5,111	63,341,971	41,409,000	1,009,000	2,273,280
14	May 31, 2024 09:52	5,112	64,979,462	41,416,000	1,010,000	2,408,448
15	May 31, 2024 09:52	5,114	62,641,675	41,438,000	1,010,000	2,281,472
16	May 31, 2024 09:52	5,115	70,108,908	41,442,000	1,010,000	2,408,448
17	May 31, 2024 09:52	5,117	63,012,521	42,472,000	0	2,404,352
18	May 31, 2024 09:52	5,117	64,835,005	42,471,000	0	2,510,848
19	May 31, 2024 09:52	5,119	68,967,026	41,480,000	1,011,000	2,273,280
20	May 31, 2024 09:52	5,119	62,138,782	41,475,000	1,011,000	2,408,448
21	May 31, 2024 09:52	5,120	67,034,060	41,486,000	1,011,000	2,273,280
22	May 31, 2024 09:52	5,120	64,111,748	41,486,000	1,011,000	2,396,160
23	May 31, 2024 09:52	5,122	72,723,700	42,510,000	0	2,387,968
24	May 31, 2024 09:52	5,125	65,425,202	41,529,000	1,012,000	2,273,280
25	May 31, 2024 09:52	5,126	69,769,603	42,546,000	0	2,396,160
26	May 31, 2024 09:52	5,126	63,679,624	41,534,000	1,013,000	2,273,280
27	May 31, 2024 09:52	5,129	61,244,115	41,554,000	1,013,000	2,396,160
28	May 31, 2024 09:52	5,132	71,545,012	42,592,000	0	2,408,448
29	May 31, 2024 09:52	6,382	118,336,976	52,969,108	0	2,285,568
30	May 31, 2024 09:52	6,391	104,173,433	53,046,513	0	2,289,664
31	May 31, 2024 09:52	6,398	109,544,048	53,105,412	0	2,281,472
32	May 31, 2024 09:52	6,403	124,692,621	53,148,707	0	2,293,760
33	May 31, 2024 09:52	6,403	75,711,427	51,144,000	2,005,000	2,273,280
34	May 31, 2024 09:52	6,403	113,506,818	53,148,199	0	2,277,376
35	May 31, 2024 09:52	6,413	123,167,685	53,225,919	0	2,285,568
36	May 31, 2024 09:52	6,415	126,000,017	53,241,641	0	2,281,472
37	May 31, 2024 09:52	6,421	80,990,125	51,286,000	2,011,000	2,273,280
38	May 31, 2024 09:52	6,424	75,907,968	52,314,000	1,006,000	2,273,280
39	May 31, 2024 09:52	6,425	131,552,690	53,331,061	0	2,281,472
40	May 31, 2024 09:52	6,429	78,560,917	52,357,000	1,006,000	2,387,968
41	May 31, 2024 09:52	6,436	72,949,880	53,417,000	0	2,273,280
42	May 31, 2024 09:52	6,443	73,520,638	52,465,000	1,008,000	2,273,280
43	May 31, 2024 09:52	6,446	75,685,318	52,492,000	1,009,000	2,400,256
44	May 31, 2024 09:52	6,484	80,479,476	51,821,000	1,993,000	2,392,064
45	May 31, 2024 09:52	6,485	82,971,356	51,831,000	1,993,000	2,392,064
46	May 31, 2024 09:52	6,528	112,666,590	54,178,442	0	2,277,376

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