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 listSep 14, 2022 17:06

Bernard Teo

Score: 7,670

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Sep 14, 2022 17:06	7,124	126,634,496	59,129,846	0	2,285,568
2	Sep 14, 2022 17:06	7,128	126,136,034	59,160,373	0	2,281,472
3	Sep 14, 2022 17:06	7,138	123,007,553	59,245,767	0	2,285,568
4	Sep 14, 2022 17:06	7,138	139,892,965	59,244,469	0	2,285,568
5	Sep 14, 2022 17:06	7,140	120,601,354	59,264,683	0	2,273,280
6	Sep 14, 2022 17:06	7,145	134,312,488	59,303,496	0	2,273,280
7	Sep 14, 2022 17:06	7,650	85,077,988	62,487,000	1,007,000	2,273,280
8	Sep 14, 2022 17:06	7,660	93,846,971	62,567,000	1,009,000	2,273,280
9	Sep 14, 2022 17:06	7,660	93,523,065	62,565,000	1,009,000	2,400,256
10	Sep 14, 2022 17:06	7,661	88,387,195	63,590,000	0	2,273,280
11	Sep 14, 2022 17:06	7,663	95,440,853	62,593,000	1,009,000	2,273,280
12	Sep 14, 2022 17:06	7,666	88,543,904	62,619,000	1,009,000	2,273,280
13	Sep 14, 2022 17:06	7,667	90,364,950	62,626,000	1,010,000	2,392,064
14	Sep 14, 2022 17:06	7,668	92,452,193	62,635,000	1,010,000	2,519,040
15	Sep 14, 2022 17:06	7,670	89,005,641	63,658,000	0	2,387,968
16	Sep 14, 2022 17:06	7,670	89,604,749	62,647,000	1,010,000	2,400,256
17	Sep 14, 2022 17:06	7,670	88,887,047	62,649,000	1,010,000	2,400,256
18	Sep 14, 2022 17:06	7,671	96,184,756	62,656,000	1,010,000	2,273,280
19	Sep 14, 2022 17:06	7,674	89,737,561	61,701,000	1,990,000	2,396,160
20	Sep 14, 2022 17:06	7,677	93,524,511	62,727,000	995,000	2,396,160
21	Sep 14, 2022 17:06	7,682	89,948,085	62,764,000	996,000	2,273,280
22	Sep 14, 2022 17:06	7,686	92,146,563	61,804,000	1,993,000	2,273,280
23	Sep 14, 2022 17:06	7,686	92,199,140	61,803,000	1,993,000	2,273,280
24	Sep 14, 2022 17:06	7,686	92,385,375	62,796,000	996,000	2,273,280
25	Sep 14, 2022 17:06	7,688	89,742,907	61,816,000	1,994,000	2,400,256
26	Sep 14, 2022 17:06	7,688	89,526,001	62,813,000	997,000	2,404,352
27	Sep 14, 2022 17:06	7,688	94,818,816	62,813,000	997,000	2,273,280
28	Sep 14, 2022 17:06	7,688	94,717,338	61,814,000	1,994,000	2,392,064
29	Sep 14, 2022 17:06	7,690	90,647,008	62,829,000	997,000	2,396,160
30	Sep 14, 2022 17:06	7,695	86,698,363	61,870,000	1,995,000	2,273,280

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