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 listJun 6, 2021 21:41

Yuriy Lyfenko

Score: 17,482

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 6, 2021 21:41	17,219	701,832,792	142,919,898	0	2,277,376
2	Jun 6, 2021 21:41	17,222	712,942,026	142,943,440	0	2,265,088
3	Jun 6, 2021 21:43	17,222	701,941,866	142,940,372	0	2,265,088
4	Jun 6, 2021 21:43	17,224	709,126,152	142,957,998	0	2,244,608
5	Jun 6, 2021 21:48	17,224	709,675,000	142,956,338	0	2,240,512
6	Jun 6, 2021 21:48	17,224	709,128,362	142,961,316	0	2,248,704
7	Jun 6, 2021 21:48	17,225	713,151,589	142,971,570	0	2,265,088
8	Jun 6, 2021 21:41	17,226	711,865,042	142,976,282	0	2,273,280
9	Jun 6, 2021 21:43	17,226	708,839,556	142,971,699	0	2,244,608
10	Jun 6, 2021 21:43	17,467	673,464,605	143,980,000	999,000	2,400,256
11	Jun 6, 2021 21:48	17,468	674,752,391	142,989,000	1,999,000	2,396,160
12	Jun 6, 2021 21:48	17,470	673,520,410	143,001,000	2,000,000	2,523,136
13	Jun 6, 2021 21:43	17,474	671,249,355	144,035,000	1,000,000	2,523,136
14	Jun 6, 2021 21:41	17,475	677,981,778	144,044,000	1,000,000	2,260,992
15	Jun 6, 2021 21:41	17,476	674,991,917	144,051,000	1,000,000	2,260,992
16	Jun 6, 2021 21:41	17,479	671,434,291	143,074,000	2,001,000	2,260,992
17	Jun 6, 2021 21:43	17,480	666,554,027	143,082,000	2,001,000	2,260,992
18	Jun 6, 2021 21:43	17,481	666,100,247	144,092,000	1,000,000	2,260,992
19	Jun 6, 2021 21:48	17,482	671,323,421	143,099,000	2,001,000	2,523,136
20	Jun 6, 2021 21:41	17,482	672,691,635	143,103,000	2,001,000	2,523,136
21	Jun 6, 2021 21:48	17,483	666,773,229	144,111,000	1,000,000	2,260,992
22	Jun 6, 2021 21:43	17,483	675,447,930	143,106,000	2,001,000	2,260,992
23	Jun 6, 2021 21:43	17,485	675,352,872	144,126,000	1,000,000	2,260,992
24	Jun 6, 2021 21:43	17,488	669,210,522	144,150,000	1,001,000	2,260,992
25	Jun 6, 2021 21:48	17,495	672,828,305	143,205,000	2,002,000	2,392,064
26	Jun 6, 2021 21:41	17,495	671,430,449	145,210,000	0	2,260,992
27	Jun 6, 2021 21:48	17,496	668,427,935	145,219,000	0	2,260,992
28	Jun 6, 2021 21:41	17,496	670,516,793	145,213,000	0	2,260,992
29	Jun 6, 2021 21:41	17,497	674,390,805	144,226,000	1,001,000	2,523,136
30	Jun 6, 2021 21:43	17,498	671,729,204	145,234,000	0	2,260,992
31	Jun 6, 2021 21:43	17,500	675,228,452	145,248,000	0	2,260,992
32	Jun 6, 2021 21:48	17,500	671,252,631	145,250,000	0	2,260,992
33	Jun 6, 2021 21:48	17,502	668,095,825	144,263,000	1,001,000	2,265,088
34	Jun 6, 2021 21:48	17,502	668,197,668	145,265,000	0	2,387,968
35	Jun 6, 2021 21:41	17,504	671,233,806	144,279,000	1,001,000	2,260,992
36	Jun 6, 2021 21:41	17,504	667,923,508	144,286,000	1,001,000	2,260,992

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