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 31, 2022 03:35

Robert Burke

Score: 8,220

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 31, 2022 03:36	8,065	90,078,450	65,941,000	999,000	2,277,376
2	Jul 31, 2022 03:36	8,065	88,346,157	64,941,000	1,998,000	2,277,376
3	Jul 31, 2022 03:35	8,071	89,259,893	66,986,000	0	2,428,928
4	Jul 31, 2022 03:36	8,071	87,695,463	65,991,000	999,000	2,277,376
5	Jul 31, 2022 03:35	8,073	92,497,442	66,008,000	1,000,000	2,424,832
6	Jul 31, 2022 03:35	8,088	86,974,127	66,128,000	1,001,000	2,424,832
7	Jul 31, 2022 03:35	8,207	91,049,046	66,112,000	2,003,000	2,535,424
8	Jul 31, 2022 03:36	8,207	92,405,831	66,118,000	2,003,000	2,277,376
9	Jul 31, 2022 03:36	8,208	87,306,441	66,127,000	2,003,000	2,277,376
10	Jul 31, 2022 03:35	8,208	89,680,826	67,127,000	1,001,000	2,424,832
11	Jul 31, 2022 03:35	8,210	89,086,247	66,141,000	2,004,000	2,277,376
12	Jul 31, 2022 03:35	8,212	93,307,264	66,156,000	2,004,000	2,277,376
13	Jul 31, 2022 03:36	8,215	90,851,966	66,182,000	2,005,000	2,539,520
14	Jul 31, 2022 03:35	8,215	92,442,980	67,182,000	1,002,000	2,428,928
15	Jul 31, 2022 03:35	8,215	87,972,397	67,186,000	1,002,000	2,424,832
16	Jul 31, 2022 03:36	8,220	86,955,904	67,220,000	1,003,000	2,437,120
17	Jul 31, 2022 03:36	8,221	90,788,992	67,233,000	1,003,000	2,277,376
18	Jul 31, 2022 03:36	8,225	90,744,273	68,268,000	0	2,277,376
19	Jul 31, 2022 03:35	8,226	91,964,957	67,269,000	1,004,000	2,277,376
20	Jul 31, 2022 03:36	8,227	97,537,213	68,287,000	0	2,277,376
21	Jul 31, 2022 03:35	8,230	91,179,279	68,310,000	0	2,277,376
22	Jul 31, 2022 03:35	8,232	93,915,490	67,323,000	1,004,000	2,273,280
23	Jul 31, 2022 03:36	8,233	94,417,707	68,336,000	0	2,437,120
24	Jul 31, 2022 03:36	8,291	99,833,284	68,812,000	0	2,539,520
25	Jul 31, 2022 03:35	8,600	133,224,527	71,383,728	0	2,297,856
26	Jul 31, 2022 03:35	8,610	133,351,446	71,459,558	0	2,297,856
27	Jul 31, 2022 03:36	8,617	142,395,205	71,517,684	0	2,179,072
28	Jul 31, 2022 03:35	8,625	128,956,098	71,584,025	0	2,174,976
29	Jul 31, 2022 03:36	8,627	140,161,385	71,601,218	0	2,170,880
30	Jul 31, 2022 03:36	8,629	133,727,689	71,623,846	0	2,301,952

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