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 22:53

Yuriy Lyfenko

Score: 19,850

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 5, 2021 22:52	19,251	194,096,455	159,782,000	0	2,396,160
2	May 5, 2021 22:52	19,660	186,490,947	162,181,000	1,001,000	2,260,992
3	May 5, 2021 22:53	19,669	195,355,244	162,248,000	1,001,000	2,260,992
4	May 5, 2021 22:52	19,670	189,681,480	160,261,000	3,004,000	2,260,992
5	May 5, 2021 22:52	19,671	186,892,957	162,269,000	1,001,000	2,379,776
6	May 5, 2021 22:52	19,674	186,017,102	162,292,000	1,001,000	2,396,160
7	May 5, 2021 22:53	19,678	188,869,195	162,326,000	1,002,000	2,396,160
8	May 5, 2021 22:52	19,687	188,769,532	161,400,000	2,004,000	2,265,088
9	May 5, 2021 22:53	19,691	186,974,591	162,434,000	1,002,000	2,396,160
10	May 5, 2021 22:52	19,694	190,403,650	163,459,000	0	2,396,160
11	May 5, 2021 22:52	19,696	190,699,431	163,475,000	0	2,260,992
12	May 5, 2021 22:52	19,697	191,439,357	162,483,000	1,002,000	2,260,992
13	May 5, 2021 22:53	19,705	192,258,835	159,539,000	4,013,000	2,392,064
14	May 5, 2021 22:53	19,830	193,235,108	164,590,000	0	2,260,992
15	May 5, 2021 22:53	19,834	193,660,128	164,626,000	0	2,260,992
16	May 5, 2021 22:52	19,839	194,058,293	162,652,000	2,008,000	2,260,992
17	May 5, 2021 22:52	19,840	189,748,714	163,676,000	998,000	2,392,064
18	May 5, 2021 22:52	19,843	193,907,249	162,699,000	1,996,000	2,387,968
19	May 5, 2021 22:52	19,844	190,953,013	162,712,000	1,996,000	2,506,752
20	May 5, 2021 22:53	19,848	191,024,789	161,747,000	2,995,000	2,392,064
21	May 5, 2021 22:53	19,848	191,030,252	162,740,000	1,996,000	2,260,992
22	May 5, 2021 22:52	19,849	197,623,010	162,748,000	1,996,000	2,260,992
23	May 5, 2021 22:52	19,850	192,151,284	162,756,000	1,997,000	2,260,992
24	May 5, 2021 22:52	19,851	193,171,799	161,772,000	2,995,000	2,260,992
25	May 5, 2021 22:52	19,851	192,818,710	164,761,000	0	2,387,968
26	May 5, 2021 22:52	19,851	189,536,181	163,763,000	998,000	2,396,160
27	May 5, 2021 22:52	19,851	193,192,034	161,770,000	2,995,000	2,260,992
28	May 5, 2021 22:52	19,851	197,600,170	162,763,000	1,997,000	2,260,992
29	May 5, 2021 22:52	19,851	193,918,965	162,770,000	1,997,000	2,260,992
30	May 5, 2021 22:53	19,851	192,777,302	160,773,000	3,994,000	2,260,992
31	May 5, 2021 22:52	19,852	190,814,488	161,775,000	2,995,000	2,260,992
32	May 5, 2021 22:52	19,852	189,426,109	162,774,000	1,997,000	2,387,968
33	May 5, 2021 22:52	19,853	193,690,542	162,782,000	1,997,000	2,260,992
34	May 5, 2021 22:53	19,853	195,010,743	162,779,000	1,997,000	2,400,256
35	May 5, 2021 22:52	19,853	193,916,475	163,780,000	998,000	2,265,088
36	May 5, 2021 22:53	19,853	189,254,870	161,781,000	2,995,000	2,260,992
37	May 5, 2021 22:53	19,853	188,684,877	162,786,000	1,997,000	2,392,064
38	May 5, 2021 22:52	19,857	193,623,437	162,819,000	1,997,000	2,260,992
39	May 5, 2021 22:52	19,857	193,377,381	163,814,000	998,000	2,392,064
40	May 5, 2021 22:53	19,858	192,527,192	162,821,000	1,997,000	2,392,064
41	May 5, 2021 22:53	19,860	191,685,671	162,840,000	1,998,000	2,260,992
42	May 5, 2021 22:53	19,861	193,178,633	162,852,000	1,998,000	2,260,992
43	May 5, 2021 22:53	19,863	193,900,352	162,862,000	1,998,000	2,392,064
44	May 5, 2021 22:53	19,863	192,923,368	161,866,000	2,997,000	2,392,064
45	May 5, 2021 22:53	19,867	193,800,711	161,896,000	2,998,000	2,256,896

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