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	Dec 27, 2024 22:11	0	0	0	0	0	Error: No answer to stdout. Died or killed?	stderr
2	Dec 27, 2024 22:01	0	0	0	0	0	Error: No answer to stdout. Died or killed?	stderr
3	Dec 27, 2024 22:00	0	0	0	0	0	Error: expected "53692157263319917 ", got "53692168867536056 "	stderr
4	Dec 27, 2024 22:00	0	0	0	0	0	Error: expected "53692008458507411 ", got "53692008654434203 "	stderr
5	Dec 27, 2024 22:00	0	0	0	0	0	Error: No answer to stdout. Died or killed?	stderr
6	Dec 27, 2024 22:00	0	0	0	0	0	Error: expected "53686205064892886 ", got "53686209648451331 "	stderr
7	Dec 27, 2024 22:11	4,202	57,605,958	34,880,000	0	2,297,856
8	Dec 27, 2024 22:01	4,218	64,285,920	33,006,000	2,000,000	2,535,424
9	Dec 27, 2024 22:01	4,222	57,055,796	34,043,000	1,001,000	2,273,280
10	Dec 27, 2024 22:00	4,223	58,385,443	33,046,000	2,002,000	2,531,328
11	Dec 27, 2024 22:00	4,228	57,706,824	33,084,000	2,005,000	2,535,424
12	Dec 27, 2024 22:01	4,230	54,623,353	34,106,000	1,003,000	2,306,048
13	Dec 27, 2024 22:01	4,233	61,255,589	34,134,000	1,003,000	2,273,280
14	Dec 27, 2024 22:00	4,255	54,257,513	34,308,000	1,009,000	2,306,048
15	Dec 27, 2024 22:11	4,262	60,623,920	34,366,000	1,010,000	2,535,424
16	Dec 27, 2024 22:01	4,267	58,549,009	32,384,000	3,036,000	2,535,424
17	Dec 27, 2024 22:00	4,269	57,258,502	35,432,000	0	2,306,048
18	Dec 27, 2024 22:01	4,275	58,007,465	35,479,000	0	2,535,424
19	Dec 27, 2024 22:11	4,278	57,588,542	35,506,000	0	2,297,856
20	Dec 27, 2024 22:01	4,282	59,153,520	34,527,000	1,015,000	2,297,856
21	Dec 27, 2024 22:00	4,286	60,711,656	35,576,000	0	2,535,424
22	Dec 27, 2024 22:11	4,286	61,424,348	35,570,000	0	2,301,952
23	Dec 27, 2024 22:00	4,296	62,940,929	35,654,000	0	2,310,144
24	Dec 27, 2024 22:01	4,320	65,039,393	33,868,000	1,992,000	2,273,280
25	Dec 27, 2024 22:11	4,331	56,101,503	34,948,000	998,000	2,392,064
26	Dec 27, 2024 22:00	4,337	62,761,626	34,001,000	2,000,000	2,306,048
27	Dec 27, 2024 22:01	4,341	58,672,715	35,030,000	1,000,000	2,306,048
28	Dec 27, 2024 22:01	4,354	59,881,220	34,131,000	2,007,000	2,301,952
29	Dec 27, 2024 22:01	4,364	62,425,468	35,216,000	1,006,000	2,531,328
30	Dec 27, 2024 22:01	4,372	62,544,190	34,271,000	2,015,000	2,310,144
31	Dec 27, 2024 22:00	4,376	59,581,858	34,300,000	2,017,000	2,531,328
32	Dec 27, 2024 22:11	4,392	57,441,246	36,456,000	0	2,301,952
33	Dec 27, 2024 22:00	4,607	62,139,623	36,224,000	2,012,000	2,531,328

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