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.

Back to listOct 22, 2023 23:12

sliceteam

Score: 8,049

Success

Source Code

Source code access is restricted. Log in to request access.

Challenge History

No challenges yet.

Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Oct 22, 2023 23:11	8,013	95,805,444	66,508,000	0	2,404,352
2	Oct 22, 2023 23:12	8,015	90,242,588	66,526,000	0	2,404,352
3	Oct 22, 2023 23:11	8,016	95,743,853	64,544,000	1,985,000	2,400,256
4	Oct 22, 2023 23:11	8,019	95,772,661	65,549,000	1,008,000	2,277,376
5	Oct 22, 2023 23:12	8,021	92,609,091	65,568,000	1,008,000	2,396,160
6	Oct 22, 2023 23:12	8,025	98,315,004	65,596,000	1,009,000	2,277,376
7	Oct 22, 2023 23:12	8,026	95,869,652	65,609,000	1,009,000	2,400,256
8	Oct 22, 2023 23:11	8,029	91,865,937	66,639,000	0	2,277,376
9	Oct 22, 2023 23:11	8,029	96,399,266	65,633,000	1,009,000	2,400,256
10	Oct 22, 2023 23:12	8,029	91,646,463	66,640,000	0	2,277,376
11	Oct 22, 2023 23:12	8,031	96,995,747	66,655,000	0	2,387,968
12	Oct 22, 2023 23:12	8,031	96,776,665	65,648,000	1,009,000	2,277,376
13	Oct 22, 2023 23:11	8,032	92,193,150	65,659,000	1,010,000	2,277,376
14	Oct 22, 2023 23:12	8,036	96,863,697	66,699,000	0	2,396,160
15	Oct 22, 2023 23:12	8,043	95,601,595	65,765,000	996,000	2,277,376
16	Oct 22, 2023 23:12	8,049	88,593,457	66,804,000	0	2,396,160
17	Oct 22, 2023 23:11	8,049	100,595,396	64,815,000	1,994,000	2,523,136
18	Oct 22, 2023 23:11	8,050	99,488,179	65,814,000	997,000	2,404,352
19	Oct 22, 2023 23:11	8,054	98,755,266	64,855,000	1,995,000	2,404,352
20	Oct 22, 2023 23:11	8,054	95,799,857	66,852,000	0	2,277,376
21	Oct 22, 2023 23:12	8,054	93,103,891	66,852,000	0	2,396,160
22	Oct 22, 2023 23:11	8,055	93,253,990	65,858,000	997,000	2,277,376
23	Oct 22, 2023 23:12	8,056	91,999,557	65,864,000	997,000	2,277,376
24	Oct 22, 2023 23:11	8,146	128,218,517	67,609,104	0	2,265,088
25	Oct 22, 2023 23:11	8,152	145,011,813	67,662,251	0	2,273,280
26	Oct 22, 2023 23:12	8,173	137,405,100	67,833,864	0	2,273,280
27	Oct 22, 2023 23:12	8,175	135,615,549	67,850,538	0	2,277,376
28	Oct 22, 2023 23:11	8,239	93,823,619	67,376,000	1,005,000	2,392,064
29	Oct 22, 2023 23:12	8,278	139,711,919	68,710,089	0	2,273,280
30	Oct 22, 2023 23:11	8,338	134,438,648	69,208,761	0	2,273,280

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