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 17, 2021 20:44

Yuriy Lyfenko

Score: 17,506

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 17, 2021 20:44	17,486	178,000,095	144,132,000	1,000,000	2,392,064
2	May 17, 2021 20:44	17,486	382,026,829	144,132,000	1,000,000	2,265,088
3	May 17, 2021 20:50	17,489	2,349,252,727	142,159,000	3,003,000	2,523,136
4	May 17, 2021 20:42	17,491	540,088,984	143,173,000	2,002,000	2,260,992
5	May 17, 2021 20:42	17,493	912,759,347	143,189,000	2,002,000	2,519,040
6	May 17, 2021 20:44	17,493	185,291,454	145,193,000	0	2,527,232
7	May 17, 2021 20:50	17,494	1,971,792,025	143,214,000	1,989,000	2,265,088
8	May 17, 2021 20:44	17,494	1,656,235,847	145,202,000	0	2,396,160
9	May 17, 2021 20:44	17,495	253,554,375	145,210,000	0	2,265,088
10	May 17, 2021 20:42	17,495	1,706,729,860	144,205,000	1,001,000	2,519,040
11	May 17, 2021 20:44	17,496	2,648,262,612	144,212,000	1,001,000	2,260,992
12	May 17, 2021 20:44	17,496	2,060,851,933	143,228,000	1,989,000	2,523,136
13	May 17, 2021 20:42	17,497	1,274,856,486	143,234,000	1,989,000	2,519,040
14	May 17, 2021 20:50	17,497	1,883,735,584	144,222,000	1,001,000	2,260,992
15	May 17, 2021 20:50	17,499	1,357,798,725	144,249,000	994,000	2,392,064
16	May 17, 2021 20:44	17,499	2,991,731,231	143,251,000	1,989,000	2,260,992
17	May 17, 2021 20:50	17,503	2,356,183,555	144,281,000	995,000	2,260,992
18	May 17, 2021 20:44	17,505	792,595,978	143,287,000	2,004,000	2,527,232
19	May 17, 2021 20:42	17,506	308,936,543	144,307,000	995,000	2,387,968
20	May 17, 2021 20:44	17,506	1,450,610,102	143,306,000	1,990,000	2,260,992
21	May 17, 2021 20:50	17,507	2,161,209,841	142,325,000	2,985,000	2,260,992
22	May 17, 2021 20:44	17,507	782,244,983	145,307,000	0	2,519,040
23	May 17, 2021 20:50	17,511	1,437,279,002	144,341,000	1,002,000	2,260,992
24	May 17, 2021 20:42	17,511	1,499,606,892	144,343,000	1,002,000	2,527,232
25	May 17, 2021 20:44	17,513	1,596,931,065	143,371,000	1,991,000	2,519,040
26	May 17, 2021 20:42	17,514	2,636,414,170	143,374,000	1,991,000	2,519,040
27	May 17, 2021 20:44	17,514	1,173,834,409	144,366,000	1,002,000	2,265,088
28	May 17, 2021 20:42	17,515	1,986,806,368	143,385,000	1,991,000	2,519,040
29	May 17, 2021 20:44	17,516	1,875,096,986	142,396,000	2,987,000	2,260,992
30	May 17, 2021 20:44	17,517	1,246,561,146	141,411,000	3,983,000	2,256,896
31	May 17, 2021 20:44	17,517	369,843,399	145,389,000	0	2,387,968
32	May 17, 2021 20:50	17,518	2,418,980,740	143,394,000	2,005,000	2,527,232
33	May 17, 2021 20:50	17,518	376,446,845	143,395,000	2,005,000	2,387,968
34	May 17, 2021 20:44	17,520	690,021,438	143,428,000	1,992,000	2,519,040
35	May 17, 2021 20:44	17,521	2,364,058,604	143,433,000	1,992,000	2,256,896
36	May 17, 2021 20:42	17,523	2,294,779,569	143,447,000	1,992,000	2,265,088

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