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 listSep 13, 2022 03:26

Yuriy Lyfenko

Score: 7,537

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Sep 13, 2022 03:26	7,377	85,930,565	58,220,000	3,011,000	2,428,928
2	Sep 13, 2022 03:26	7,383	83,517,166	59,273,000	2,009,000	2,510,848
3	Sep 13, 2022 03:26	7,407	87,848,134	58,459,000	3,023,000	2,396,160
4	Sep 13, 2022 03:26	7,423	92,116,236	58,581,000	3,030,000	2,306,048
5	Sep 13, 2022 03:27	7,448	82,661,067	57,827,000	3,988,000	2,301,952
6	Sep 13, 2022 03:27	7,450	94,316,383	56,851,000	4,986,000	2,269,184
7	Sep 13, 2022 03:27	7,460	86,821,192	58,926,000	2,996,000	2,355,200
8	Sep 13, 2022 03:26	7,461	120,463,383	61,926,920	0	2,273,280
9	Sep 13, 2022 03:27	7,461	121,017,477	61,922,535	0	2,289,664
10	Sep 13, 2022 03:26	7,477	111,777,049	62,061,064	0	2,183,168
11	Sep 13, 2022 03:27	7,483	124,798,215	62,105,841	0	2,207,744
12	Sep 13, 2022 03:26	7,507	128,955,294	62,310,290	0	2,289,664
13	Sep 13, 2022 03:26	7,512	95,203,553	59,333,000	3,016,000	2,449,408
14	Sep 13, 2022 03:27	7,513	120,977,807	62,357,719	0	2,273,280
15	Sep 13, 2022 03:27	7,513	119,240,378	62,357,941	0	2,236,416
16	Sep 13, 2022 03:27	7,514	119,010,225	62,366,836	0	2,215,936
17	Sep 13, 2022 03:27	7,521	87,533,925	57,388,000	5,034,000	2,301,952
18	Sep 13, 2022 03:27	7,532	137,348,719	62,515,518	0	2,187,264
19	Sep 13, 2022 03:26	7,533	82,199,594	59,500,000	3,025,000	2,334,720
20	Sep 13, 2022 03:27	7,537	86,549,041	58,524,000	4,036,000	2,519,040
21	Sep 13, 2022 03:26	7,546	97,687,137	58,593,000	4,040,000	2,510,848
22	Sep 13, 2022 03:26	7,570	88,345,174	58,844,000	3,989,000	2,273,280
23	Sep 13, 2022 03:27	7,575	90,770,382	60,877,000	1,995,000	2,441,216
24	Sep 13, 2022 03:27	7,585	88,200,074	59,955,000	2,997,000	2,293,760
25	Sep 13, 2022 03:27	7,591	88,183,930	60,008,000	3,000,000	2,490,368
26	Sep 13, 2022 03:26	7,623	85,236,737	58,252,000	5,021,000	2,277,376
27	Sep 13, 2022 03:27	7,927	91,812,372	62,806,000	2,990,000	2,428,928
28	Sep 13, 2022 03:26	29,425	266,985,157	240,223,000	4,003,000	2,363,392
29	Sep 13, 2022 03:26	29,446	274,615,679	240,396,000	4,006,000	2,322,432
30	Sep 13, 2022 03:26	29,474	274,942,063	242,640,000	1,997,000	2,297,856
31	Sep 13, 2022 03:26	29,548	270,169,694	243,249,000	2,002,000	2,383,872
32	Sep 13, 2022 03:26	29,554	269,521,726	239,294,000	6,007,000	2,408,448
33	Sep 13, 2022 03:26	29,607	276,043,809	241,739,000	3,995,000	2,367,488
34	Sep 13, 2022 03:26	29,607	277,758,541	243,745,000	1,997,000	2,363,392
35	Sep 13, 2022 03:26	29,725	278,472,203	242,720,000	3,995,000	2,490,368
36	Sep 13, 2022 03:26	29,775	311,414,940	247,133,479	0	2,306,048
37	Sep 13, 2022 03:26	29,776	274,928,998	244,143,000	3,001,000	2,363,392
38	Sep 13, 2022 03:26	29,857	318,274,049	247,809,905	0	2,207,744
39	Sep 13, 2022 03:26	29,864	309,851,567	247,872,125	0	2,281,472

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