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 22, 2021 15:46

Yuriy Lyfenko

Score: 17,328

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 22, 2021 15:45	17,273	175,097,777	142,364,000	1,002,000	2,396,160
2	May 22, 2021 15:44	17,279	168,206,653	142,417,000	1,002,000	2,392,064
3	May 22, 2021 15:45	17,280	170,386,200	142,422,000	1,002,000	2,260,992
4	May 22, 2021 15:44	17,283	163,283,855	142,450,000	1,003,000	2,506,752
5	May 22, 2021 15:46	17,285	164,255,263	143,465,000	0	2,396,160
6	May 22, 2021 15:45	17,286	165,883,622	142,472,000	1,003,000	2,523,136
7	May 22, 2021 15:46	17,288	172,619,449	143,492,000	0	2,260,992
8	May 22, 2021 15:46	17,294	174,355,018	142,538,000	1,003,000	2,392,064
9	May 22, 2021 15:44	17,295	168,202,418	142,546,000	1,003,000	2,400,256
10	May 22, 2021 15:46	17,295	173,640,159	143,549,000	0	2,506,752
11	May 22, 2021 15:45	17,296	169,446,488	143,553,000	0	2,260,992
12	May 22, 2021 15:44	17,296	171,914,139	142,553,000	1,003,000	2,260,992
13	May 22, 2021 15:45	17,297	174,473,641	143,566,000	0	2,396,160
14	May 22, 2021 15:45	17,301	174,071,976	141,605,000	1,994,000	2,260,992
15	May 22, 2021 15:44	17,303	168,596,812	142,611,000	1,004,000	2,392,064
16	May 22, 2021 15:46	17,320	171,948,080	143,753,000	0	2,260,992
17	May 22, 2021 15:44	17,320	167,925,249	143,756,000	0	2,260,992
18	May 22, 2021 15:46	17,322	170,379,206	142,777,000	998,000	2,387,968
19	May 22, 2021 15:46	17,328	171,981,048	141,827,000	1,997,000	2,260,992
20	May 22, 2021 15:44	17,335	168,621,813	142,883,000	999,000	2,392,064
21	May 22, 2021 15:46	17,371	169,807,453	144,178,000	0	2,260,992
22	May 22, 2021 15:45	17,376	166,718,257	142,219,000	2,003,000	2,260,992
23	May 22, 2021 15:45	17,624	168,224,367	145,281,000	1,001,000	2,260,992
24	May 22, 2021 15:44	17,643	167,446,016	146,441,000	0	2,379,776
25	May 22, 2021 15:46	17,648	171,629,980	146,478,000	0	2,396,160
26	May 22, 2021 15:44	17,655	169,719,644	146,537,000	0	2,387,968
27	May 22, 2021 15:45	17,780	216,123,183	147,576,584	0	2,269,184
28	May 22, 2021 15:45	17,791	222,385,543	147,668,106	0	2,265,088
29	May 22, 2021 15:44	17,794	209,886,936	147,688,291	0	2,265,088
30	May 22, 2021 15:44	17,798	208,346,556	147,725,089	0	2,273,280
31	May 22, 2021 15:44	17,809	211,051,564	147,818,283	0	2,265,088
32	May 22, 2021 15:46	17,810	209,661,364	147,820,799	0	2,269,184
33	May 22, 2021 15:46	17,811	206,602,546	147,830,328	0	2,273,280
34	May 22, 2021 15:45	17,822	203,723,001	147,924,606	0	2,269,184
35	May 22, 2021 15:46	17,829	223,983,806	147,983,189	0	2,252,800
36	May 22, 2021 15:45	17,870	175,712,278	148,325,000	0	2,392,064

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