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 7, 2022 15:56

Bernard Teo

Score: 6,407

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Sep 7, 2022 15:55	6,393	75,452,661	51,059,000	2,002,000	2,273,280
2	Sep 7, 2022 15:55	6,393	77,648,800	51,059,000	2,002,000	2,273,280
3	Sep 7, 2022 15:56	6,393	74,645,377	51,060,000	2,002,000	2,400,256
4	Sep 7, 2022 15:56	6,393	76,960,806	52,060,000	1,001,000	2,392,064
5	Sep 7, 2022 15:55	6,395	73,786,014	52,074,000	1,001,000	2,273,280
6	Sep 7, 2022 15:55	6,397	81,510,621	51,092,000	2,003,000	2,404,352
7	Sep 7, 2022 15:55	6,397	75,887,432	52,097,000	1,001,000	2,404,352
8	Sep 7, 2022 15:55	6,398	74,543,597	52,099,000	1,001,000	2,273,280
9	Sep 7, 2022 15:55	6,400	81,455,117	52,117,000	1,002,000	2,400,256
10	Sep 7, 2022 15:56	6,401	78,008,057	52,126,000	1,002,000	2,273,280
11	Sep 7, 2022 15:55	6,402	73,988,259	51,131,000	2,005,000	2,273,280
12	Sep 7, 2022 15:56	6,402	77,026,583	52,134,000	1,002,000	2,273,280
13	Sep 7, 2022 15:55	6,403	78,808,889	51,141,000	2,005,000	2,400,256
14	Sep 7, 2022 15:55	6,403	72,324,771	51,142,000	2,005,000	2,273,280
15	Sep 7, 2022 15:55	6,403	76,807,747	52,139,000	1,002,000	2,273,280
16	Sep 7, 2022 15:56	6,403	75,565,433	51,136,000	2,005,000	2,273,280
17	Sep 7, 2022 15:56	6,404	79,220,850	52,152,000	1,002,000	2,396,160
18	Sep 7, 2022 15:56	6,404	73,546,650	51,148,000	2,005,000	2,273,280
19	Sep 7, 2022 15:55	6,404	75,726,851	52,150,000	1,002,000	2,273,280
20	Sep 7, 2022 15:55	6,405	75,286,080	51,157,000	2,006,000	2,404,352
21	Sep 7, 2022 15:56	6,406	82,260,501	51,166,000	2,006,000	2,273,280
22	Sep 7, 2022 15:55	6,406	74,062,133	51,165,000	2,006,000	2,404,352
23	Sep 7, 2022 15:55	6,407	75,649,631	51,173,000	2,006,000	2,273,280
24	Sep 7, 2022 15:55	6,407	76,964,494	52,173,000	1,003,000	2,400,256
25	Sep 7, 2022 15:55	6,407	77,230,739	51,175,000	2,006,000	2,273,280
26	Sep 7, 2022 15:55	6,408	81,052,939	52,187,000	1,003,000	2,273,280
27	Sep 7, 2022 15:56	6,409	78,088,427	52,192,000	1,003,000	2,273,280
28	Sep 7, 2022 15:55	6,410	74,887,227	52,198,000	1,003,000	2,273,280
29	Sep 7, 2022 15:55	6,410	84,295,076	51,198,000	2,007,000	2,273,280
30	Sep 7, 2022 15:55	6,412	77,761,142	52,218,000	1,004,000	2,392,064
31	Sep 7, 2022 15:56	6,413	76,845,152	51,223,000	2,008,000	2,396,160
32	Sep 7, 2022 15:55	6,415	75,273,446	52,244,000	1,004,000	2,273,280
33	Sep 7, 2022 15:56	6,420	73,317,051	52,285,000	1,005,000	2,273,280
34	Sep 7, 2022 15:56	6,420	79,404,643	51,277,000	2,010,000	2,273,280
35	Sep 7, 2022 15:55	6,422	75,675,326	52,299,000	1,005,000	2,273,280
36	Sep 7, 2022 15:55	6,431	74,986,019	52,374,000	1,007,000	2,396,160
37	Sep 7, 2022 15:56	6,587	124,044,369	54,671,244	0	2,285,568
38	Sep 7, 2022 15:55	6,588	129,077,737	54,681,464	0	2,277,376
39	Sep 7, 2022 15:55	6,590	128,938,320	54,700,798	0	2,289,664
40	Sep 7, 2022 15:56	6,593	126,973,848	54,721,122	0	2,273,280
41	Sep 7, 2022 15:55	6,594	116,175,675	54,729,380	0	2,281,472
42	Sep 7, 2022 15:56	6,597	122,892,104	54,753,040	0	2,281,472
43	Sep 7, 2022 15:55	6,597	121,184,071	54,756,856	0	2,281,472
44	Sep 7, 2022 15:55	6,600	116,344,993	54,780,685	0	2,281,472
45	Sep 7, 2022 15:55	6,611	123,952,108	54,869,684	0	2,281,472

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