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 5, 2021 22:55

Yuriy Lyfenko

Score: 19,625

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 5, 2021 22:56	19,483	184,303,796	158,713,000	2,994,000	2,265,088
2	May 5, 2021 22:55	19,486	191,309,020	159,734,000	1,996,000	2,387,968
3	May 5, 2021 23:10	19,489	190,111,477	160,762,000	998,000	2,400,256
4	May 5, 2021 22:56	19,489	186,049,407	157,763,000	3,994,000	2,383,872
5	May 5, 2021 22:55	19,490	191,205,327	159,769,000	1,997,000	2,260,992
6	May 5, 2021 22:57	19,490	187,119,206	158,772,000	2,995,000	2,510,848
7	May 5, 2021 22:55	19,491	191,376,955	159,779,000	1,997,000	2,260,992
8	May 5, 2021 22:57	19,491	191,898,736	159,775,000	1,997,000	2,387,968
9	May 5, 2021 22:55	19,493	189,527,985	160,792,000	998,000	2,383,872
10	May 5, 2021 22:55	19,496	191,328,463	159,823,000	1,997,000	2,260,992
11	May 5, 2021 22:56	19,496	186,758,185	159,822,000	1,997,000	2,383,872
12	May 5, 2021 23:10	19,497	187,189,623	159,832,000	1,997,000	2,260,992
13	May 5, 2021 22:56	19,500	186,786,593	158,850,000	2,997,000	2,392,064
14	May 5, 2021 22:57	19,501	186,305,191	159,864,000	1,998,000	2,392,064
15	May 5, 2021 22:55	19,503	188,638,175	159,878,000	1,998,000	2,387,968
16	May 5, 2021 22:56	19,510	193,300,472	160,930,000	999,000	2,256,896
17	May 5, 2021 22:55	19,517	188,697,970	160,991,000	999,000	2,260,992
18	May 5, 2021 22:56	19,518	183,943,901	159,998,000	1,999,000	2,482,176
19	May 5, 2021 23:10	19,620	191,229,920	160,851,000	1,998,000	2,265,088
20	May 5, 2021 22:56	19,620	194,566,506	160,845,000	1,998,000	2,392,064
21	May 5, 2021 22:57	19,623	190,744,045	159,875,000	2,997,000	2,523,136
22	May 5, 2021 22:57	19,624	192,169,367	160,881,000	1,998,000	2,260,992
23	May 5, 2021 22:57	19,625	190,145,844	158,892,000	3,997,000	2,260,992
24	May 5, 2021 23:10	19,626	188,263,063	160,895,000	1,998,000	2,260,992
25	May 5, 2021 22:57	19,626	187,830,573	160,895,000	1,998,000	2,396,160
26	May 5, 2021 22:55	19,626	193,224,417	160,900,000	1,998,000	2,400,256
27	May 5, 2021 22:55	19,627	196,107,360	160,904,000	1,998,000	2,260,992
28	May 5, 2021 22:56	19,628	192,973,406	161,916,000	999,000	2,260,992
29	May 5, 2021 23:10	19,629	188,360,890	160,922,000	1,999,000	2,383,872
30	May 5, 2021 22:57	19,630	190,773,462	160,930,000	1,999,000	2,265,088
31	May 5, 2021 22:55	19,634	191,694,816	159,960,000	2,999,000	2,260,992
32	May 5, 2021 22:56	19,635	193,741,805	161,975,000	999,000	2,260,992
33	May 5, 2021 22:55	19,637	191,322,475	161,991,000	999,000	2,396,160
34	May 5, 2021 22:55	19,638	188,068,406	160,993,000	1,999,000	2,260,992
35	May 5, 2021 22:57	19,639	188,395,343	160,006,000	3,000,000	2,260,992
36	May 5, 2021 22:55	19,639	188,638,757	161,002,000	2,000,000	2,260,992
37	May 5, 2021 23:10	19,639	190,867,490	161,007,000	2,000,000	2,260,992
38	May 5, 2021 23:10	19,639	191,321,651	162,002,000	1,000,000	2,260,992
39	May 5, 2021 22:55	19,647	194,243,473	160,066,000	3,001,000	2,392,064
40	May 5, 2021 22:55	19,648	188,995,071	161,080,000	2,001,000	2,260,992
41	May 5, 2021 23:10	19,648	191,819,502	162,075,000	1,000,000	2,260,992
42	May 5, 2021 23:10	19,651	191,774,267	160,103,000	3,001,000	2,265,088
43	May 5, 2021 22:55	19,651	188,912,973	161,105,000	2,001,000	2,396,160
44	May 5, 2021 22:55	19,656	188,679,877	160,143,000	3,002,000	2,260,992
45	May 5, 2021 22:55	19,660	187,719,748	161,174,000	2,002,000	2,260,992

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