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 15:17

Bernard Teo

Score: 7,235

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Sep 7, 2022 15:17	7,163	131,104,933	59,451,562	0	2,281,472
2	Sep 7, 2022 15:17	7,182	137,590,752	59,609,960	0	2,289,664
3	Sep 7, 2022 15:17	7,186	126,695,983	59,641,292	0	2,281,472
4	Sep 7, 2022 15:17	7,187	121,284,871	59,652,491	0	2,277,376
5	Sep 7, 2022 15:17	7,188	130,088,854	59,658,473	0	2,277,376
6	Sep 7, 2022 15:17	7,189	117,232,953	59,664,948	0	2,281,472
7	Sep 7, 2022 15:17	7,189	115,772,441	59,671,537	0	2,277,376
8	Sep 7, 2022 15:17	7,195	134,205,210	59,718,462	0	2,273,280
9	Sep 7, 2022 15:17	7,205	131,269,448	59,802,487	0	2,273,280
10	Sep 7, 2022 15:17	7,223	85,913,953	57,951,000	1,998,000	2,400,256
11	Sep 7, 2022 15:17	7,225	83,362,080	57,967,000	1,998,000	2,273,280
12	Sep 7, 2022 15:17	7,225	81,837,287	58,970,000	999,000	2,396,160
13	Sep 7, 2022 15:17	7,226	86,366,374	57,974,000	1,999,000	2,273,280
14	Sep 7, 2022 15:17	7,228	85,241,131	57,997,000	1,999,000	2,273,280
15	Sep 7, 2022 15:17	7,228	83,067,681	57,995,000	1,999,000	2,396,160
16	Sep 7, 2022 15:17	7,231	86,447,926	58,021,000	2,000,000	2,400,256
17	Sep 7, 2022 15:17	7,231	85,477,586	59,017,000	1,000,000	2,273,280
18	Sep 7, 2022 15:17	7,231	85,930,745	59,015,000	1,000,000	2,273,280
19	Sep 7, 2022 15:17	7,232	81,528,685	58,023,000	2,000,000	2,273,280
20	Sep 7, 2022 15:17	7,233	82,751,358	58,030,000	2,001,000	2,273,280
21	Sep 7, 2022 15:17	7,234	83,502,037	58,039,000	2,001,000	2,273,280
22	Sep 7, 2022 15:17	7,234	87,052,620	58,042,000	2,001,000	2,396,160
23	Sep 7, 2022 15:17	7,235	85,489,236	58,050,000	2,001,000	2,400,256
24	Sep 7, 2022 15:17	7,235	83,995,529	59,051,000	1,000,000	2,408,448
25	Sep 7, 2022 15:17	7,235	84,957,000	58,050,000	2,001,000	2,400,256
26	Sep 7, 2022 15:17	7,235	86,537,277	58,048,000	2,001,000	2,273,280
27	Sep 7, 2022 15:17	7,236	81,975,562	58,054,000	2,001,000	2,392,064
28	Sep 7, 2022 15:17	7,236	84,181,703	58,056,000	2,001,000	2,273,280
29	Sep 7, 2022 15:17	7,236	84,892,498	58,058,000	2,002,000	2,273,280
30	Sep 7, 2022 15:17	7,237	81,312,038	58,063,000	2,002,000	2,273,280
31	Sep 7, 2022 15:17	7,237	83,418,984	59,065,000	1,001,000	2,273,280
32	Sep 7, 2022 15:17	7,238	85,459,553	59,077,000	1,001,000	2,400,256
33	Sep 7, 2022 15:17	7,239	82,952,281	59,085,000	1,001,000	2,396,160
34	Sep 7, 2022 15:17	7,239	83,192,825	59,079,000	1,001,000	2,510,848
35	Sep 7, 2022 15:17	7,239	82,892,928	59,081,000	1,001,000	2,404,352
36	Sep 7, 2022 15:17	7,240	85,628,361	59,095,000	1,001,000	2,400,256
37	Sep 7, 2022 15:17	7,240	88,115,886	58,087,000	2,003,000	2,273,280
38	Sep 7, 2022 15:17	7,241	87,705,695	58,098,000	2,003,000	2,273,280
39	Sep 7, 2022 15:17	7,243	87,983,681	59,113,000	1,001,000	2,273,280
40	Sep 7, 2022 15:17	7,244	86,318,124	59,123,000	1,002,000	2,400,256
41	Sep 7, 2022 15:17	7,244	84,922,451	58,122,000	2,004,000	2,404,352
42	Sep 7, 2022 15:17	7,246	86,164,917	58,141,000	2,004,000	2,273,280
43	Sep 7, 2022 15:17	7,246	85,198,369	58,138,000	2,004,000	2,269,184
44	Sep 7, 2022 15:17	7,247	84,642,757	58,148,000	2,005,000	2,396,160
45	Sep 7, 2022 15:17	7,284	84,091,838	60,458,000	0	2,273,280

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