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 4, 2021 22:41

Yuriy Lyfenko

Score: 22,573

Success

Source Code

Source code access is restricted. Log in to request access.

Challenge History

No challenges yet.

Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 4, 2021 22:41	22,520	215,395,041	183,915,000	2,998,000	2,260,992
2	May 4, 2021 22:41	22,534	207,762,555	185,036,000	2,000,000	2,260,992
3	May 4, 2021 22:40	22,540	215,721,465	184,078,000	3,001,000	2,387,968
4	May 4, 2021 22:40	22,540	218,565,624	185,079,000	2,000,000	2,383,872
5	May 4, 2021 22:41	22,542	211,745,516	185,098,000	2,001,000	2,260,992
6	May 4, 2021 22:41	22,545	213,230,623	185,119,000	2,001,000	2,396,160
7	May 4, 2021 22:41	22,547	206,230,655	186,141,000	1,000,000	2,506,752
8	May 4, 2021 22:41	22,549	210,077,059	186,156,000	1,000,000	2,260,992
9	May 4, 2021 22:41	22,550	211,670,284	187,169,000	0	2,396,160
10	May 4, 2021 22:41	22,550	210,214,778	186,166,000	1,000,000	2,392,064
11	May 4, 2021 22:40	22,550	216,051,663	186,165,000	1,000,000	2,260,992
12	May 4, 2021 22:41	22,553	214,623,646	184,186,000	3,003,000	2,260,992
13	May 4, 2021 22:41	22,554	211,475,125	185,197,000	2,002,000	2,260,992
14	May 4, 2021 22:40	22,555	210,287,442	187,206,000	0	2,387,968
15	May 4, 2021 22:41	22,555	210,443,477	186,203,000	1,001,000	2,387,968
16	May 4, 2021 22:41	22,555	216,319,896	187,206,000	0	2,260,992
17	May 4, 2021 22:41	22,556	210,163,718	184,213,000	3,003,000	2,392,064
18	May 4, 2021 22:41	22,557	213,496,023	187,219,000	0	2,260,992
19	May 4, 2021 22:41	22,558	211,176,003	185,230,000	2,002,000	2,392,064
20	May 4, 2021 22:41	22,564	210,010,658	187,280,000	0	2,392,064
21	May 4, 2021 22:41	22,566	212,533,946	186,295,000	1,001,000	2,260,992
22	May 4, 2021 22:41	22,566	214,593,363	187,296,000	0	2,260,992
23	May 4, 2021 22:41	22,568	209,207,055	186,310,000	1,001,000	2,396,160
24	May 4, 2021 22:41	22,569	208,342,371	186,324,000	1,001,000	2,400,256
25	May 4, 2021 22:41	22,569	211,559,381	186,319,000	1,001,000	2,396,160
26	May 4, 2021 22:41	22,570	210,791,472	187,334,000	0	2,260,992
27	May 4, 2021 22:41	22,571	211,187,864	187,341,000	0	2,260,992
28	May 4, 2021 22:41	22,571	208,823,790	187,343,000	0	2,392,064
29	May 4, 2021 22:41	22,571	211,371,914	187,342,000	0	2,387,968
30	May 4, 2021 22:41	22,572	215,231,536	184,361,000	2,989,000	2,400,256
31	May 4, 2021 22:41	22,572	220,534,628	187,345,000	0	2,392,064
32	May 4, 2021 22:40	22,573	209,400,588	186,353,000	1,001,000	2,400,256
33	May 4, 2021 22:41	22,573	211,980,597	185,352,000	2,003,000	2,265,088
34	May 4, 2021 22:41	22,573	213,771,585	186,354,000	1,001,000	2,260,992
35	May 4, 2021 22:41	22,573	212,007,548	187,356,000	0	2,256,896
36	May 4, 2021 22:41	22,574	209,243,055	185,358,000	2,003,000	2,260,992
37	May 4, 2021 22:41	22,574	215,395,114	186,364,000	1,001,000	2,392,064
38	May 4, 2021 22:41	22,574	216,682,254	187,365,000	0	2,260,992
39	May 4, 2021 22:41	22,575	209,336,733	187,372,000	0	2,260,992
40	May 4, 2021 22:41	22,575	218,121,808	184,380,000	2,989,000	2,260,992
41	May 4, 2021 22:41	22,577	212,146,597	187,388,000	0	2,510,848
42	May 4, 2021 22:41	22,577	214,317,312	186,389,000	1,002,000	2,387,968
43	May 4, 2021 22:41	22,578	210,599,752	186,398,000	1,002,000	2,265,088
44	May 4, 2021 22:41	22,579	208,039,686	187,409,000	0	2,387,968
45	May 4, 2021 22:41	22,579	217,915,524	186,400,000	1,002,000	2,383,872
46	May 4, 2021 22:41	22,580	214,070,100	185,407,000	2,004,000	2,519,040
47	May 4, 2021 22:41	22,580	212,940,368	185,407,000	2,004,000	2,387,968
48	May 4, 2021 22:41	22,580	214,801,032	184,406,000	3,006,000	2,260,992
49	May 4, 2021 22:41	22,581	215,357,055	184,413,000	3,006,000	2,260,992
50	May 4, 2021 22:41	22,582	207,528,106	187,434,000	0	2,392,064
51	May 4, 2021 22:41	22,583	213,383,063	185,439,000	2,004,000	2,396,160
52	May 4, 2021 22:41	22,583	214,732,454	187,435,000	0	2,392,064
53	May 4, 2021 22:41	22,586	207,280,245	186,458,000	1,002,000	2,392,064
54	May 4, 2021 22:41	22,586	215,591,541	186,463,000	997,000	2,260,992
55	May 4, 2021 22:41	22,586	209,013,005	186,462,000	1,002,000	2,396,160
56	May 4, 2021 22:41	22,588	216,680,023	186,481,000	1,002,000	2,396,160
57	May 4, 2021 22:41	22,590	218,955,611	187,497,000	0	2,260,992
58	May 4, 2021 22:40	22,590	216,563,396	184,488,000	3,007,000	2,260,992
59	May 4, 2021 22:41	22,592	212,904,234	186,515,000	1,002,000	2,260,992
60	May 4, 2021 22:41	22,592	215,596,345	186,514,000	1,002,000	2,396,160
61	May 4, 2021 22:40	22,592	215,631,621	186,512,000	1,002,000	2,392,064
62	May 4, 2021 22:40	22,619	210,988,412	185,737,000	1,997,000	2,260,992
63	May 4, 2021 22:40	22,668	209,187,310	188,143,000	0	2,387,968

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