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 24, 2021 19:24

Yuriy Lyfenko

Score: 17,492

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 24, 2021 19:24	17,281	166,408,422	142,431,000	1,003,000	2,383,872
2	May 24, 2021 19:24	17,286	166,609,418	142,471,000	1,003,000	2,383,872
3	May 24, 2021 19:24	17,288	171,679,502	142,490,000	1,003,000	2,379,776
4	May 24, 2021 19:24	17,291	170,788,229	142,511,000	1,003,000	2,383,872
5	May 24, 2021 19:24	17,293	170,217,288	142,530,000	1,003,000	2,387,968
6	May 24, 2021 19:24	17,294	168,575,838	142,539,000	1,003,000	2,260,992
7	May 24, 2021 19:24	17,295	169,017,794	143,545,000	0	2,260,992
8	May 24, 2021 19:24	17,297	171,156,593	142,558,000	1,003,000	2,375,680
9	May 24, 2021 19:24	17,298	172,825,365	142,573,000	1,004,000	2,260,992
10	May 24, 2021 19:24	17,298	172,812,261	142,567,000	1,003,000	2,260,992
11	May 24, 2021 19:24	17,304	175,915,144	142,622,000	1,004,000	2,387,968
12	May 24, 2021 19:24	17,318	170,755,561	142,741,000	998,000	2,523,136
13	May 24, 2021 19:24	17,319	169,177,481	143,750,000	0	2,387,968
14	May 24, 2021 19:24	17,320	168,614,432	141,764,000	1,996,000	2,260,992
15	May 24, 2021 19:24	17,321	168,336,963	142,764,000	998,000	2,383,872
16	May 24, 2021 19:24	17,331	170,127,012	141,848,000	1,997,000	2,260,992
17	May 24, 2021 19:24	17,362	173,807,799	143,106,000	1,000,000	2,523,136
18	May 24, 2021 19:24	17,414	173,979,879	143,532,000	1,003,000	2,260,992
19	May 24, 2021 19:24	17,492	176,435,492	144,184,000	1,001,000	2,256,896
20	May 24, 2021 19:24	17,617	173,935,330	145,222,000	1,001,000	2,260,992
21	May 24, 2021 19:24	17,623	169,643,794	145,271,000	1,001,000	2,379,776
22	May 24, 2021 19:24	17,628	169,996,657	145,311,000	1,002,000	2,387,968
23	May 24, 2021 19:24	17,683	174,456,364	145,774,000	998,000	2,260,992
24	May 24, 2021 19:24	17,714	178,709,898	146,028,000	1,000,000	2,387,968
25	May 24, 2021 19:24	17,776	191,649,917	147,543,052	0	2,260,992
26	May 24, 2021 19:24	17,785	183,783,886	147,616,092	0	2,265,088
27	May 24, 2021 19:24	17,790	191,506,827	147,658,540	0	2,256,896
28	May 24, 2021 19:24	17,795	183,777,728	147,696,131	0	2,260,992
29	May 24, 2021 19:24	17,808	209,798,579	147,803,405	0	2,265,088
30	May 24, 2021 19:24	17,815	234,253,846	147,862,638	0	2,256,896
31	May 24, 2021 19:24	17,833	191,868,115	148,016,894	0	2,256,896
32	May 24, 2021 19:24	17,861	177,924,973	147,247,000	1,001,000	2,260,992
33	May 24, 2021 19:24	17,866	170,334,997	147,287,000	1,001,000	2,379,776
34	May 24, 2021 19:24	17,870	170,360,261	148,320,000	0	2,260,992
35	May 24, 2021 19:24	18,191	200,170,445	150,981,382	0	2,256,896
36	May 24, 2021 19:24	18,214	208,528,825	151,179,232	0	2,260,992

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