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 19:25

Yuriy Lyfenko

Score: 17,541

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 28, 2021 20:51	17,207	169,456,209	140,825,000	1,997,000	2,260,992
2	May 24, 2021 19:26	17,209	169,771,693	140,839,000	1,997,000	2,260,992
3	May 24, 2021 19:25	17,211	168,184,032	140,852,000	1,997,000	2,260,992
4	May 24, 2021 19:25	17,211	170,272,053	141,851,000	998,000	2,396,160
5	May 24, 2021 19:25	17,212	168,027,998	141,858,000	999,000	2,392,064
6	May 28, 2021 20:51	17,213	168,615,539	141,869,000	999,000	2,387,968
7	May 28, 2021 20:51	17,214	171,720,602	141,880,000	999,000	2,523,136
8	May 24, 2021 19:25	17,217	167,268,178	140,907,000	1,998,000	2,392,064
9	May 24, 2021 19:25	17,218	166,824,744	141,910,000	999,000	2,260,992
10	May 24, 2021 19:25	17,221	175,107,108	140,936,000	1,999,000	2,260,992
11	May 24, 2021 19:25	17,223	168,829,114	140,956,000	1,999,000	2,523,136
12	May 24, 2021 19:26	17,226	167,906,452	141,980,000	999,000	2,506,752
13	May 24, 2021 19:25	17,228	175,391,598	141,992,000	999,000	2,260,992
14	May 28, 2021 20:51	17,228	171,475,152	142,989,000	0	2,396,160
15	May 24, 2021 19:25	17,228	167,606,309	140,991,000	1,999,000	2,387,968
16	May 24, 2021 19:26	17,233	171,181,281	141,032,000	2,000,000	2,260,992
17	May 24, 2021 19:26	17,233	169,041,106	141,030,000	2,000,000	2,400,256
18	May 28, 2021 20:51	17,274	165,953,919	143,377,000	0	2,260,992
19	May 24, 2021 19:26	17,326	175,562,762	141,808,000	1,997,000	2,523,136
20	May 24, 2021 19:25	17,340	171,754,131	141,926,000	1,998,000	2,260,992
21	May 24, 2021 19:25	17,347	173,644,566	141,979,000	1,999,000	2,523,136
22	May 24, 2021 19:26	17,348	166,780,500	143,990,000	0	2,260,992
23	May 28, 2021 20:51	17,538	175,190,504	144,562,000	1,003,000	2,260,992
24	May 28, 2021 20:51	17,540	172,268,096	143,584,000	1,994,000	2,260,992
25	May 24, 2021 19:25	17,541	171,753,397	144,589,000	1,004,000	2,265,088
26	May 24, 2021 19:26	17,559	171,276,900	144,744,000	998,000	2,260,992
27	May 24, 2021 19:26	17,559	172,591,515	144,742,000	998,000	2,260,992
28	May 24, 2021 19:25	17,560	175,151,520	144,750,000	998,000	2,387,968
29	May 28, 2021 20:51	17,561	180,035,307	143,763,000	1,996,000	2,392,064
30	May 24, 2021 19:25	17,561	174,366,081	143,762,000	1,996,000	2,260,992
31	May 24, 2021 19:25	17,563	173,029,827	144,779,000	998,000	2,260,992
32	May 24, 2021 19:26	17,564	173,788,671	144,775,000	1,005,000	2,392,064
33	May 28, 2021 20:51	17,567	199,983,987	145,803,218	0	2,265,088
34	May 24, 2021 19:25	17,568	191,933,555	145,811,082	0	2,265,088
35	May 24, 2021 19:25	17,571	187,763,078	145,835,853	0	2,277,376
36	May 24, 2021 19:25	17,573	187,727,900	145,853,713	0	2,277,376
37	May 28, 2021 20:51	17,575	190,870,702	145,874,870	0	2,256,896
38	May 24, 2021 19:25	17,580	216,069,091	145,916,162	0	2,260,992
39	May 24, 2021 19:25	17,581	183,778,417	145,923,976	0	2,273,280
40	May 24, 2021 19:26	17,583	187,696,104	145,937,688	0	2,273,280
41	May 24, 2021 19:26	17,585	187,858,016	145,959,534	0	2,392,064
42	May 28, 2021 20:51	17,587	212,638,062	145,975,049	0	2,269,184
43	May 24, 2021 19:25	17,591	207,230,189	146,001,569	0	2,269,184
44	May 24, 2021 19:26	17,598	215,317,595	146,061,633	0	2,265,088
45	May 24, 2021 19:25	17,620	168,963,213	145,243,000	1,001,000	2,260,992
46	May 24, 2021 19:25	17,734	169,186,104	145,194,000	2,002,000	2,506,752
47	May 24, 2021 19:25	17,751	169,644,862	147,330,000	0	2,260,992
48	May 28, 2021 20:51	17,753	167,965,738	147,352,000	0	2,260,992

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