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 listSep 6, 2022 16:48

Bernard Teo

Score: 8,260

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Sep 6, 2022 16:48	8,243	89,117,765	66,404,000	2,012,000	2,400,256
2	Sep 6, 2022 16:48	8,245	96,691,696	67,425,000	1,006,000	2,265,088
3	Sep 6, 2022 16:48	8,246	94,155,023	68,443,000	0	2,400,256
4	Sep 6, 2022 16:54	8,248	91,853,347	68,457,000	0	2,273,280
5	Sep 6, 2022 16:48	8,249	91,775,359	67,462,000	1,006,000	2,273,280
6	Sep 6, 2022 16:54	8,250	90,900,322	67,470,000	1,007,000	2,273,280
7	Sep 6, 2022 16:54	8,253	91,358,196	67,492,000	1,007,000	2,404,352
8	Sep 6, 2022 16:54	8,253	95,706,766	67,497,000	1,007,000	2,273,280
9	Sep 6, 2022 16:48	8,254	101,568,170	67,502,000	1,007,000	2,273,280
10	Sep 6, 2022 16:54	8,255	90,828,113	67,508,000	1,007,000	2,400,256
11	Sep 6, 2022 16:48	8,255	92,082,806	67,508,000	1,007,000	2,396,160
12	Sep 6, 2022 16:54	8,256	90,209,451	67,520,000	1,007,000	2,404,352
13	Sep 6, 2022 16:54	8,257	95,824,453	68,534,000	0	2,404,352
14	Sep 6, 2022 16:54	8,257	96,886,476	67,530,000	1,007,000	2,392,064
15	Sep 6, 2022 16:48	8,257	90,932,804	67,526,000	1,007,000	2,273,280
16	Sep 6, 2022 16:48	8,260	94,501,380	67,550,000	1,008,000	2,404,352
17	Sep 6, 2022 16:48	8,263	92,918,467	66,597,000	1,987,000	2,400,256
18	Sep 6, 2022 16:54	8,297	94,252,972	66,873,000	1,996,000	2,273,280
19	Sep 6, 2022 16:54	9,639	106,051,449	78,003,000	2,000,000	2,392,064
20	Sep 6, 2022 16:48	9,640	100,295,030	79,015,000	1,000,000	2,273,280
21	Sep 6, 2022 16:54	9,651	106,169,237	79,103,000	1,001,000	2,273,280
22	Sep 6, 2022 16:48	9,651	105,411,802	78,104,000	2,002,000	2,273,280
23	Sep 6, 2022 16:54	9,667	106,795,178	79,232,000	1,002,000	2,273,280
24	Sep 6, 2022 16:48	9,668	105,356,594	79,245,000	1,003,000	2,273,280
25	Sep 6, 2022 16:48	9,768	149,899,105	81,078,512	0	2,277,376
26	Sep 6, 2022 16:48	9,783	137,995,431	81,198,222	0	2,281,472
27	Sep 6, 2022 16:54	9,791	138,402,381	81,267,395	0	2,277,376
28	Sep 6, 2022 16:54	9,824	173,409,272	81,537,705	0	2,273,280
29	Sep 6, 2022 16:48	9,831	147,576,451	81,593,438	0	2,289,664
30	Sep 6, 2022 16:54	9,848	134,666,907	81,740,446	0	2,277,376

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