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 listMay 19, 2021 18:24

Yuriy Lyfenko

Score: 17,518

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 19, 2021 18:24	17,485	1,040,344,362	144,126,000	1,000,000	2,256,896
2	May 19, 2021 18:24	17,489	707,163,140	144,160,000	1,001,000	2,265,088
3	May 19, 2021 18:24	17,497	2,311,008,058	143,234,000	1,989,000	2,396,160
4	May 19, 2021 18:24	17,499	457,396,904	144,243,000	1,001,000	2,392,064
5	May 19, 2021 18:24	17,499	495,219,729	145,239,000	0	2,265,088
6	May 19, 2021 18:24	17,500	2,705,346,439	143,258,000	1,989,000	2,527,232
7	May 19, 2021 18:24	17,500	892,882,887	143,265,000	1,989,000	2,260,992
8	May 19, 2021 18:24	17,500	2,051,095,451	143,261,000	1,989,000	2,256,896
9	May 19, 2021 18:24	17,501	3,051,467,458	142,275,000	2,984,000	2,260,992
10	May 19, 2021 18:24	17,501	2,569,961,954	142,272,000	2,984,000	2,523,136
11	May 19, 2021 18:24	17,501	207,217,960	144,262,000	994,000	2,260,992
12	May 19, 2021 18:24	17,502	2,077,461,367	144,268,000	1,001,000	2,265,088
13	May 19, 2021 18:24	17,502	2,848,502,007	144,263,000	1,001,000	2,527,232
14	May 19, 2021 18:24	17,505	444,320,283	144,293,000	1,002,000	2,260,992
15	May 19, 2021 18:24	17,507	623,662,024	144,303,000	1,002,000	2,260,992
16	May 19, 2021 18:24	17,510	1,017,441,518	144,332,000	1,002,000	2,260,992
17	May 19, 2021 18:24	17,511	2,270,317,638	144,346,000	995,000	2,519,040
18	May 19, 2021 18:24	17,513	1,378,115,907	144,353,000	1,002,000	2,523,136
19	May 19, 2021 18:24	17,515	1,933,285,478	143,384,000	1,991,000	2,260,992
20	May 19, 2021 18:24	17,516	2,063,791,167	145,380,000	0	2,519,040
21	May 19, 2021 18:24	17,517	1,429,174,362	144,392,000	995,000	2,387,968
22	May 19, 2021 18:24	17,517	236,160,827	145,392,000	0	2,265,088
23	May 19, 2021 18:24	17,517	2,092,686,907	142,407,000	2,987,000	2,256,896
24	May 19, 2021 18:24	17,518	1,833,896,444	143,406,000	1,991,000	2,523,136
25	May 19, 2021 18:24	17,518	2,738,315,355	142,416,000	2,987,000	2,523,136
26	May 19, 2021 18:24	17,519	2,121,416,086	143,413,000	1,991,000	2,260,992
27	May 19, 2021 18:24	17,521	564,432,157	142,434,000	2,988,000	2,392,064
28	May 19, 2021 18:24	17,521	783,473,749	143,432,000	1,992,000	2,265,088
29	May 19, 2021 18:24	17,521	889,337,846	144,425,000	1,002,000	2,400,256
30	May 19, 2021 18:24	17,522	2,737,729,009	143,428,000	2,005,000	2,523,136
31	May 19, 2021 18:24	17,522	1,426,682,179	144,429,000	1,002,000	2,519,040
32	May 19, 2021 18:24	17,523	2,667,052,647	144,449,000	996,000	2,260,992
33	May 19, 2021 18:24	17,524	2,127,733,082	145,446,000	0	2,396,160
34	May 19, 2021 18:24	17,531	3,130,777,002	145,504,000	0	2,260,992
35	May 19, 2021 18:24	17,744	1,194,770,616	145,283,000	1,990,000	2,260,992
36	May 19, 2021 18:24	17,784	2,909,432,955	147,611,000	0	2,523,136
37	May 19, 2021 18:24	17,973	2,762,341,663	149,172,653	0	2,265,088
38	May 19, 2021 18:24	17,976	1,727,925,701	149,196,789	0	2,273,280
39	May 19, 2021 18:24	17,978	1,734,910,741	149,219,355	0	2,281,472
40	May 19, 2021 18:24	17,979	1,078,435,240	149,229,291	0	2,277,376
41	May 19, 2021 18:24	17,980	2,501,910,181	149,234,814	0	2,330,624
42	May 19, 2021 18:24	17,981	978,693,718	149,241,517	0	2,277,376
43	May 19, 2021 18:24	17,982	591,270,915	149,254,192	0	2,277,376
44	May 19, 2021 18:24	17,987	1,390,938,548	149,294,860	0	2,273,280
45	May 19, 2021 18:24	17,996	1,817,908,284	149,368,457	0	2,269,184
46	May 19, 2021 18:24	17,999	3,121,899,425	149,392,032	0	2,265,088
47	May 19, 2021 18:24	18,306	1,961,232,510	151,941,484	0	2,269,184
48	May 19, 2021 18:24	18,449	799,790,079	153,126,779	0	2,281,472

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