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 7, 2022 15:14

Bernard Teo

Score: 7,235

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Sep 7, 2022 15:14	7,204	137,335,013	59,794,881	0	2,285,568
2	Sep 7, 2022 15:14	7,210	125,434,973	59,841,479	0	2,277,376
3	Sep 7, 2022 15:14	7,212	117,814,268	59,856,066	0	2,277,376
4	Sep 7, 2022 15:14	7,214	135,420,188	59,878,691	0	2,285,568
5	Sep 7, 2022 15:14	7,217	83,960,881	58,907,000	998,000	2,400,256
6	Sep 7, 2022 15:14	7,218	118,834,480	59,910,576	0	2,277,376
7	Sep 7, 2022 15:14	7,218	115,880,305	59,908,704	0	2,277,376
8	Sep 7, 2022 15:14	7,223	82,392,791	57,957,000	1,998,000	2,273,280
9	Sep 7, 2022 15:14	7,223	82,987,710	58,956,000	999,000	2,400,256
10	Sep 7, 2022 15:14	7,224	81,250,537	58,961,000	999,000	2,273,280
11	Sep 7, 2022 15:14	7,224	134,382,207	59,958,084	0	2,273,280
12	Sep 7, 2022 15:14	7,226	81,668,276	57,979,000	1,999,000	2,273,280
13	Sep 7, 2022 15:14	7,226	117,351,069	59,973,250	0	2,285,568
14	Sep 7, 2022 15:14	7,228	81,735,748	58,997,000	999,000	2,273,280
15	Sep 7, 2022 15:14	7,228	79,721,944	57,992,000	1,999,000	2,273,280
16	Sep 7, 2022 15:14	7,229	85,618,959	58,002,000	2,000,000	2,273,280
17	Sep 7, 2022 15:14	7,231	83,039,999	59,021,000	1,000,000	2,273,280
18	Sep 7, 2022 15:14	7,232	85,365,662	58,023,000	2,000,000	2,273,280
19	Sep 7, 2022 15:14	7,233	86,988,673	58,029,000	2,001,000	2,273,280
20	Sep 7, 2022 15:14	7,234	89,648,815	58,039,000	2,001,000	2,404,352
21	Sep 7, 2022 15:14	7,235	120,832,475	60,048,990	0	2,281,472
22	Sep 7, 2022 15:14	7,235	83,462,312	58,051,000	2,001,000	2,273,280
23	Sep 7, 2022 15:14	7,235	82,834,455	58,052,000	2,001,000	2,392,064
24	Sep 7, 2022 15:14	7,235	85,128,409	59,053,000	1,000,000	2,396,160
25	Sep 7, 2022 15:14	7,236	84,048,269	58,055,000	2,001,000	2,404,352
26	Sep 7, 2022 15:14	7,236	87,795,780	59,059,000	1,001,000	2,273,280
27	Sep 7, 2022 15:14	7,237	81,348,397	58,061,000	2,002,000	2,273,280
28	Sep 7, 2022 15:14	7,237	79,324,754	59,065,000	1,001,000	2,400,256
29	Sep 7, 2022 15:14	7,238	86,906,674	59,078,000	1,001,000	2,400,256
30	Sep 7, 2022 15:14	7,238	83,336,076	59,078,000	1,001,000	2,514,944
31	Sep 7, 2022 15:14	7,238	81,848,221	59,073,000	1,001,000	2,273,280
32	Sep 7, 2022 15:14	7,238	81,542,744	58,072,000	2,002,000	2,396,160
33	Sep 7, 2022 15:14	7,239	85,437,716	59,079,000	1,001,000	2,396,160
34	Sep 7, 2022 15:14	7,239	90,397,940	58,078,000	2,002,000	2,273,280
35	Sep 7, 2022 15:14	7,239	82,197,694	58,078,000	2,002,000	2,273,280
36	Sep 7, 2022 15:14	7,240	84,714,013	59,087,000	1,001,000	2,392,064
37	Sep 7, 2022 15:14	7,241	82,808,253	58,101,000	2,003,000	2,273,280
38	Sep 7, 2022 15:14	7,241	80,940,206	59,098,000	1,001,000	2,400,256
39	Sep 7, 2022 15:14	7,242	85,243,174	60,112,000	0	2,273,280
40	Sep 7, 2022 15:14	7,243	82,946,631	58,114,000	2,003,000	2,273,280
41	Sep 7, 2022 15:14	7,246	82,399,479	58,140,000	2,004,000	2,400,256
42	Sep 7, 2022 15:14	7,248	83,700,102	58,156,000	2,005,000	2,273,280
43	Sep 7, 2022 15:14	7,260	82,738,499	58,253,000	2,008,000	2,486,272
44	Sep 7, 2022 15:14	7,278	80,304,183	60,404,000	0	2,273,280
45	Sep 7, 2022 15:14	7,287	83,200,402	60,484,000	0	2,273,280

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