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 listMay 17, 2021 20:39

Yuriy Lyfenko

Score: 17,505

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 17, 2021 20:28	17,488	2,029,482,620	145,154,000	0	2,523,136
2	May 17, 2021 20:28	17,493	1,312,099,831	143,194,000	2,002,000	2,256,896
3	May 17, 2021 20:39	17,493	2,932,406,135	143,188,000	2,002,000	2,265,088
4	May 17, 2021 20:28	17,493	1,047,953,795	145,195,000	0	2,260,992
5	May 17, 2021 20:39	17,494	1,016,810,142	145,201,000	0	2,265,088
6	May 17, 2021 20:28	17,494	2,219,963,284	143,201,000	2,002,000	2,523,136
7	May 17, 2021 20:28	17,494	1,986,628,076	143,199,000	2,002,000	2,260,992
8	May 17, 2021 20:28	17,494	2,313,553,968	145,200,000	0	2,519,040
9	May 17, 2021 20:28	17,495	949,317,207	144,204,000	1,001,000	2,260,992
10	May 17, 2021 20:39	17,497	2,012,730,180	143,238,000	1,989,000	2,527,232
11	May 17, 2021 20:39	17,497	1,294,972,219	144,225,000	1,001,000	2,260,992
12	May 17, 2021 20:28	17,502	2,738,757,651	143,279,000	1,989,000	2,519,040
13	May 17, 2021 20:28	17,503	536,419,997	142,293,000	2,985,000	2,519,040
14	May 17, 2021 20:28	17,505	2,206,859,217	143,298,000	1,990,000	2,519,040
15	May 17, 2021 20:28	17,505	2,915,922,944	143,299,000	1,990,000	2,527,232
16	May 17, 2021 20:28	17,507	1,669,249,585	144,316,000	995,000	2,519,040
17	May 17, 2021 20:39	17,507	1,090,517,411	142,322,000	2,985,000	2,523,136
18	May 17, 2021 20:39	17,508	3,037,113,067	143,323,000	1,990,000	2,256,896
19	May 17, 2021 20:28	17,508	1,661,676,607	144,318,000	995,000	2,260,992
20	May 17, 2021 20:39	17,510	2,982,259,034	145,331,000	0	2,523,136
21	May 17, 2021 20:28	17,514	2,730,974,268	143,378,000	1,991,000	2,260,992
22	May 17, 2021 20:28	17,516	806,997,267	144,383,000	1,002,000	2,260,992
23	May 17, 2021 20:39	17,516	2,467,498,735	143,395,000	1,991,000	2,265,088
24	May 17, 2021 20:28	17,516	2,884,088,689	144,389,000	995,000	2,519,040
25	May 17, 2021 20:28	17,517	926,095,303	144,385,000	1,002,000	2,256,896
26	May 17, 2021 20:28	17,519	2,689,556,465	144,409,000	995,000	2,260,992
27	May 17, 2021 20:39	17,523	2,723,640,504	143,449,000	1,992,000	2,265,088

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