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 listDec 28, 2022 17:07

Robert Burke

Score: 7,781

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Dec 28, 2022 17:07	7,759	88,158,871	64,399,000	0	2,424,832
2	Dec 28, 2022 17:18	7,765	96,129,311	64,448,000	0	2,433,024
3	Dec 28, 2022 17:07	7,766	87,240,841	63,448,000	1,007,000	2,433,024
4	Dec 28, 2022 17:18	7,767	84,830,643	64,467,000	0	2,420,736
5	Dec 28, 2022 17:18	7,768	85,399,708	64,478,000	0	2,428,928
6	Dec 28, 2022 17:07	7,768	90,056,368	63,465,000	1,007,000	2,539,520
7	Dec 28, 2022 17:18	7,773	98,112,332	64,515,000	0	2,428,928
8	Dec 28, 2022 17:18	7,774	89,006,035	64,524,000	0	2,433,024
9	Dec 28, 2022 17:07	7,775	86,983,734	64,530,000	0	2,277,376
10	Dec 28, 2022 17:18	7,776	90,353,684	64,539,000	0	2,277,376
11	Dec 28, 2022 17:18	7,777	90,386,308	63,544,000	1,008,000	2,277,376
12	Dec 28, 2022 17:07	7,778	91,540,410	63,551,000	1,008,000	2,424,832
13	Dec 28, 2022 17:07	7,779	89,562,895	63,560,000	1,008,000	2,277,376
14	Dec 28, 2022 17:07	7,780	88,941,504	64,576,000	0	2,428,928
15	Dec 28, 2022 17:07	7,780	89,138,343	64,578,000	0	2,277,376
16	Dec 28, 2022 17:18	7,781	92,592,157	63,571,000	1,009,000	2,277,376
17	Dec 28, 2022 17:07	7,781	89,068,760	63,570,000	1,009,000	2,535,424
18	Dec 28, 2022 17:18	7,784	99,567,682	63,600,000	1,009,000	2,437,120
19	Dec 28, 2022 17:18	7,784	96,511,908	63,597,000	1,009,000	2,539,520
20	Dec 28, 2022 17:07	7,796	91,719,252	64,707,000	0	2,424,832
21	Dec 28, 2022 17:18	7,806	93,367,558	62,799,000	1,993,000	2,433,024
22	Dec 28, 2022 17:07	7,824	82,957,735	63,937,000	999,000	2,277,376
23	Dec 28, 2022 17:07	7,830	87,903,829	62,988,000	1,999,000	2,433,024
24	Dec 28, 2022 17:18	7,831	88,490,082	62,995,000	1,999,000	2,428,928
25	Dec 28, 2022 17:18	7,921	126,022,528	65,741,790	0	2,170,880
26	Dec 28, 2022 17:07	7,934	115,262,214	65,851,968	0	2,179,072
27	Dec 28, 2022 17:07	7,942	115,284,387	65,920,490	0	2,301,952
28	Dec 28, 2022 17:18	7,944	129,345,271	65,936,995	0	2,297,856
29	Dec 28, 2022 17:07	7,945	115,627,005	65,944,502	0	2,293,760
30	Dec 28, 2022 17:18	7,957	120,431,592	66,045,928	0	2,170,880

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