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 listJul 15, 2022 04:29

Robert Burke

Score: 8,261

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 15, 2022 04:29	8,168	93,759,575	66,801,000	997,000	2,424,832
2	Jul 15, 2022 04:29	8,169	98,939,478	67,799,000	0	2,277,376
3	Jul 15, 2022 04:29	8,170	90,691,552	67,808,000	0	2,424,832
4	Jul 15, 2022 04:29	8,172	95,536,941	66,834,000	997,000	2,277,376
5	Jul 15, 2022 04:29	8,177	95,568,550	65,872,000	1,996,000	2,277,376
6	Jul 15, 2022 04:29	8,200	88,347,400	67,057,000	1,000,000	2,273,280
7	Jul 15, 2022 04:29	8,233	94,874,046	68,334,000	0	2,277,376
8	Jul 15, 2022 04:29	8,241	88,998,327	67,393,000	1,005,000	2,277,376
9	Jul 15, 2022 04:29	8,243	88,596,733	68,416,000	0	2,437,120
10	Jul 15, 2022 04:29	8,247	89,243,198	68,450,000	0	2,519,040
11	Jul 15, 2022 04:29	8,249	91,255,564	68,464,000	0	2,277,376
12	Jul 15, 2022 04:29	8,251	88,967,035	68,483,000	0	2,514,944
13	Jul 15, 2022 04:29	8,253	88,008,661	68,500,000	0	2,273,280
14	Jul 15, 2022 04:29	8,255	89,243,926	67,513,000	1,007,000	2,428,928
15	Jul 15, 2022 04:29	8,258	95,340,629	68,543,000	0	2,433,024
16	Jul 15, 2022 04:29	8,261	93,923,398	68,570,000	0	2,539,520
17	Jul 15, 2022 04:29	8,263	92,498,293	68,579,000	0	2,277,376
18	Jul 15, 2022 04:29	8,264	97,771,057	68,592,000	0	2,433,024
19	Jul 15, 2022 04:29	8,266	99,625,994	67,616,000	994,000	2,277,376
20	Jul 15, 2022 04:29	8,272	99,635,220	68,654,000	0	2,539,520
21	Jul 15, 2022 04:29	8,295	97,349,787	68,846,000	0	2,433,024
22	Jul 15, 2022 04:29	8,298	94,050,385	67,876,000	998,000	2,277,376
23	Jul 15, 2022 04:29	8,350	90,672,714	67,299,000	2,008,000	2,424,832
24	Jul 15, 2022 04:29	8,373	91,011,353	69,500,000	0	2,277,376
25	Jul 15, 2022 04:29	8,688	133,760,107	72,113,903	0	2,179,072
26	Jul 15, 2022 04:29	8,690	124,773,415	72,130,275	0	2,179,072
27	Jul 15, 2022 04:29	8,693	127,565,332	72,152,654	0	2,297,856
28	Jul 15, 2022 04:29	8,706	133,879,024	72,260,649	0	2,170,880
29	Jul 15, 2022 04:29	8,712	130,265,595	72,310,297	0	2,170,880
30	Jul 15, 2022 04:29	8,722	128,974,263	72,393,032	0	2,179,072

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