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 25, 2021 18:48

Yuriy Lyfenko

Score: 17,556

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 25, 2021 18:47	17,495	169,322,226	144,204,000	1,001,000	2,396,160
2	May 25, 2021 18:48	17,495	168,642,234	144,205,000	1,001,000	2,392,064
3	May 25, 2021 18:47	17,498	174,149,634	144,235,000	1,001,000	2,260,992
4	May 25, 2021 18:48	17,500	167,635,110	144,250,000	1,001,000	2,260,992
5	May 25, 2021 18:48	17,500	165,366,735	144,248,000	1,001,000	2,523,136
6	May 25, 2021 18:48	17,503	166,407,238	144,271,000	1,001,000	2,260,992
7	May 25, 2021 18:47	17,505	170,940,824	144,292,000	1,002,000	2,510,848
8	May 25, 2021 18:47	17,505	173,323,959	145,295,000	0	2,260,992
9	May 25, 2021 18:48	17,509	174,136,114	145,326,000	0	2,260,992
10	May 25, 2021 18:47	17,509	170,996,015	144,331,000	995,000	2,260,992
11	May 25, 2021 18:48	17,512	168,600,219	144,351,000	1,002,000	2,523,136
12	May 25, 2021 18:47	17,512	167,760,328	145,351,000	0	2,260,992
13	May 25, 2021 18:47	17,513	167,958,858	144,354,000	1,002,000	2,265,088
14	May 25, 2021 18:48	17,514	174,411,354	145,366,000	0	2,396,160
15	May 25, 2021 18:48	17,515	166,502,823	144,374,000	1,002,000	2,260,992
16	May 25, 2021 18:48	17,519	167,258,663	145,406,000	0	2,396,160
17	May 25, 2021 18:48	17,524	175,815,497	143,460,000	1,992,000	2,260,992
18	May 25, 2021 18:48	17,550	183,904,498	145,666,301	0	2,265,088
19	May 25, 2021 18:47	17,556	183,740,038	145,717,836	0	2,273,280
20	May 25, 2021 18:48	17,557	209,212,880	145,722,609	0	2,273,280
21	May 25, 2021 18:48	17,558	187,588,573	145,732,481	0	2,269,184
22	May 25, 2021 18:47	17,566	216,278,155	145,800,496	0	2,269,184
23	May 25, 2021 18:47	17,570	207,539,091	145,831,946	0	2,273,280
24	May 25, 2021 18:48	17,577	178,294,550	144,893,000	999,000	2,260,992
25	May 25, 2021 18:48	17,619	167,580,522	145,235,000	1,001,000	2,404,352
26	May 25, 2021 18:48	17,630	169,274,651	145,323,000	1,002,000	2,387,968
27	May 25, 2021 18:47	17,786	170,113,320	147,622,000	0	2,260,992
28	May 25, 2021 18:48	17,788	172,762,821	146,633,000	1,004,000	2,383,872
29	May 25, 2021 18:48	17,800	179,274,361	146,740,000	998,000	2,265,088
30	May 25, 2021 18:48	17,802	177,483,865	147,754,000	0	2,260,992
31	May 25, 2021 18:47	17,803	177,025,369	147,763,000	0	2,396,160
32	May 25, 2021 18:48	17,974	173,289,925	147,180,000	2,002,000	2,260,992
33	May 25, 2021 18:48	17,982	169,311,526	149,252,000	0	2,506,752
34	May 25, 2021 18:48	18,341	191,574,141	152,230,113	0	2,244,608
35	May 25, 2021 18:48	18,362	231,288,748	152,406,825	0	2,269,184
36	May 25, 2021 18:48	18,375	203,879,055	152,510,121	0	2,277,376

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