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 21, 2021 19:08

Dmitry Dolgopolov

Score: 27,923

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 21, 2021 19:11	27,884	255,756,015	228,436,000	3,005,000	2,506,752
2	May 21, 2021 19:11	27,885	259,261,175	229,439,000	2,003,000	2,289,664
3	May 21, 2021 19:08	27,885	259,316,998	228,440,000	3,005,000	2,420,736
4	May 21, 2021 19:09	27,887	257,218,732	228,457,000	3,006,000	2,289,664
5	May 21, 2021 19:08	27,889	251,011,559	228,473,000	3,006,000	2,281,472
6	May 21, 2021 19:09	27,898	264,610,763	229,549,000	2,004,000	2,510,848
7	May 21, 2021 19:09	27,898	261,617,186	229,548,000	2,004,000	2,289,664
8	May 21, 2021 19:11	27,898	256,874,181	229,552,000	2,004,000	2,289,664
9	May 21, 2021 19:11	27,898	253,860,116	228,562,000	2,994,000	2,289,664
10	May 21, 2021 19:08	27,899	261,019,055	229,561,000	2,004,000	2,289,664
11	May 21, 2021 19:09	27,899	266,894,626	229,558,000	2,004,000	2,289,664
12	May 21, 2021 19:09	27,899	263,247,811	230,563,000	1,002,000	2,510,848
13	May 21, 2021 19:11	27,899	253,643,933	229,556,000	2,004,000	2,506,752
14	May 21, 2021 19:09	27,900	258,654,445	230,567,000	1,002,000	2,289,664
15	May 21, 2021 19:08	27,904	256,555,926	229,601,000	2,005,000	2,506,752
16	May 21, 2021 19:11	27,920	258,762,673	229,743,000	1,997,000	2,510,848
17	May 21, 2021 19:11	27,922	257,803,987	228,757,000	2,996,000	2,506,752
18	May 21, 2021 19:11	27,922	257,718,112	230,754,000	998,000	2,289,664
19	May 21, 2021 19:09	27,923	262,159,299	228,763,000	2,996,000	2,412,544
20	May 21, 2021 19:09	27,924	258,859,474	229,773,000	1,998,000	2,510,848
21	May 21, 2021 19:09	27,925	256,569,048	229,777,000	1,998,000	2,289,664
22	May 21, 2021 19:11	27,925	260,102,774	228,765,000	3,010,000	3,031,040
23	May 21, 2021 19:08	27,926	259,167,320	229,789,000	1,998,000	2,289,664
24	May 21, 2021 19:08	27,931	254,336,703	228,829,000	2,997,000	2,289,664
25	May 21, 2021 19:08	27,935	257,574,971	228,864,000	2,998,000	2,289,664
26	May 21, 2021 19:08	27,974	251,610,283	229,184,000	3,002,000	2,289,664
27	May 21, 2021 19:08	27,974	266,171,109	230,181,000	2,001,000	2,289,664
28	May 21, 2021 19:08	27,976	297,667,213	232,203,546	0	2,293,760
29	May 21, 2021 19:11	27,992	286,051,369	232,331,418	0	2,285,568
30	May 21, 2021 19:09	27,995	289,082,608	232,355,154	0	2,170,880
31	May 21, 2021 19:08	27,995	289,830,084	232,358,540	0	2,281,472
32	May 21, 2021 19:11	27,996	292,522,795	232,364,341	0	2,256,896
33	May 21, 2021 19:11	27,997	303,152,190	232,373,691	0	2,289,664
34	May 21, 2021 19:09	27,997	296,160,878	232,378,745	0	2,285,568
35	May 21, 2021 19:09	27,998	302,580,432	232,380,137	0	2,289,664
36	May 21, 2021 19:08	28,002	291,552,434	232,419,414	0	2,289,664

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