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 18:31

Bernard Teo

Score: 6,980

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Sep 6, 2022 18:31	6,968	82,052,911	57,838,000	0	2,273,280
2	Sep 6, 2022 18:31	6,968	82,176,230	56,818,000	1,014,000	2,273,280
3	Sep 6, 2022 18:31	6,968	81,787,025	56,836,000	997,000	2,273,280
4	Sep 6, 2022 18:31	6,969	82,315,554	55,848,000	1,994,000	2,400,256
5	Sep 6, 2022 18:31	6,973	87,731,545	55,884,000	1,995,000	2,404,352
6	Sep 6, 2022 18:31	6,973	82,681,961	55,880,000	1,995,000	2,273,280
7	Sep 6, 2022 18:31	6,973	79,241,838	56,878,000	997,000	2,273,280
8	Sep 6, 2022 18:31	6,974	82,682,260	56,889,000	998,000	2,273,280
9	Sep 6, 2022 18:31	6,975	81,090,515	55,898,000	1,996,000	2,396,160
10	Sep 6, 2022 18:31	6,978	78,609,026	55,924,000	1,997,000	2,273,280
11	Sep 6, 2022 18:31	6,978	81,831,097	56,921,000	998,000	2,400,256
12	Sep 6, 2022 18:31	6,978	79,457,408	55,920,000	1,997,000	2,400,256
13	Sep 6, 2022 18:31	6,979	84,876,751	56,930,000	998,000	2,510,848
14	Sep 6, 2022 18:31	6,979	82,203,617	56,926,000	998,000	2,273,280
15	Sep 6, 2022 18:31	6,980	78,471,320	55,941,000	1,997,000	2,392,064
16	Sep 6, 2022 18:31	6,980	82,791,763	55,939,000	1,997,000	2,387,968
17	Sep 6, 2022 18:31	6,981	84,106,128	56,941,000	998,000	2,273,280
18	Sep 6, 2022 18:31	6,983	85,279,047	55,959,000	1,998,000	2,273,280
19	Sep 6, 2022 18:31	6,984	81,061,798	56,971,000	999,000	2,273,280
20	Sep 6, 2022 18:31	6,991	83,541,656	58,028,000	0	2,273,280
21	Sep 6, 2022 18:31	6,999	80,690,503	57,088,000	1,001,000	2,404,352
22	Sep 6, 2022 18:31	7,186	87,672,011	58,632,000	1,010,000	2,400,256
23	Sep 6, 2022 18:31	7,783	125,878,325	64,601,790	0	2,277,376
24	Sep 6, 2022 18:31	7,874	134,688,710	65,354,713	0	2,277,376
25	Sep 6, 2022 18:31	7,971	122,709,532	66,163,342	0	2,273,280
26	Sep 6, 2022 18:31	8,034	137,521,099	66,683,029	0	2,273,280
27	Sep 6, 2022 18:31	8,048	142,526,408	66,799,556	0	2,289,664
28	Sep 6, 2022 18:31	8,055	128,015,991	66,856,455	0	2,277,376
29	Sep 6, 2022 18:31	36,178	1,806,363,286	57,436,000	242,845,000	256,151,552
30	Sep 6, 2022 18:31	37,118	1,867,728,621	59,989,000	248,092,000	263,561,216

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