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 17:11

Dmitry Dolgopolov

Score: 27,634

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 24, 2021 17:11	27,601	252,320,097	227,092,000	2,000,000	2,445,312
2	May 24, 2021 17:11	27,602	248,227,579	227,093,000	2,000,000	2,445,312
3	May 24, 2021 17:10	27,602	250,635,466	227,095,000	2,000,000	2,441,216
4	May 24, 2021 17:10	27,615	257,166,431	227,203,000	2,001,000	2,281,472
5	May 24, 2021 17:11	27,616	252,871,639	228,214,000	1,000,000	2,433,024
6	May 24, 2021 17:11	27,616	253,590,670	228,216,000	1,000,000	2,437,120
7	May 24, 2021 17:11	27,616	254,038,962	228,216,000	1,000,000	2,269,184
8	May 24, 2021 17:10	27,617	251,553,355	228,219,000	1,000,000	2,269,184
9	May 24, 2021 17:10	27,618	250,388,859	228,231,000	1,001,000	2,449,408
10	May 24, 2021 17:11	27,622	252,922,061	228,258,000	1,001,000	2,441,216
11	May 24, 2021 17:10	27,624	250,375,700	228,278,000	1,001,000	2,441,216
12	May 24, 2021 17:11	27,624	250,183,392	227,277,000	2,002,000	2,445,312
13	May 24, 2021 17:11	27,626	251,113,512	228,292,000	1,001,000	2,531,328
14	May 24, 2021 17:10	27,626	258,635,896	228,296,000	1,001,000	2,437,120
15	May 24, 2021 17:11	27,626	255,576,534	228,292,000	1,001,000	2,441,216
16	May 24, 2021 17:11	27,627	250,784,148	228,306,000	1,001,000	2,441,216
17	May 24, 2021 17:11	27,629	251,752,514	228,316,000	1,001,000	2,269,184
18	May 24, 2021 17:11	27,629	253,475,593	228,322,000	1,001,000	2,441,216
19	May 24, 2021 17:11	27,630	252,485,328	228,327,000	1,001,000	2,445,312
20	May 24, 2021 17:11	27,631	247,942,936	228,337,000	1,001,000	2,449,408
21	May 24, 2021 17:11	27,631	253,658,361	228,333,000	1,001,000	2,531,328
22	May 24, 2021 17:10	27,632	251,240,032	228,343,000	1,001,000	2,269,184
23	May 24, 2021 17:11	27,634	252,824,549	228,361,000	1,001,000	2,269,184
24	May 24, 2021 17:11	27,634	250,753,082	228,362,000	1,001,000	2,269,184
25	May 24, 2021 17:10	27,634	250,630,035	228,361,000	1,001,000	2,445,312
26	May 24, 2021 17:11	27,635	250,077,124	228,366,000	1,001,000	2,441,216
27	May 24, 2021 17:10	27,640	251,025,689	228,412,000	1,001,000	2,531,328
28	May 24, 2021 17:11	27,640	254,060,502	228,410,000	1,001,000	2,269,184
29	May 24, 2021 17:11	27,642	259,424,071	227,433,000	1,995,000	2,441,216
30	May 24, 2021 17:11	27,643	250,705,413	228,434,000	1,001,000	2,437,120
31	May 24, 2021 17:11	27,644	253,123,149	228,445,000	1,001,000	2,531,328
32	May 24, 2021 17:11	27,644	257,084,577	228,447,000	1,001,000	2,445,312
33	May 24, 2021 17:11	27,645	258,564,717	228,450,000	1,001,000	2,527,232
34	May 24, 2021 17:11	27,651	252,157,372	228,498,000	1,002,000	2,519,040
35	May 24, 2021 17:11	27,652	255,252,922	228,513,000	997,000	2,441,216
36	May 24, 2021 17:11	27,676	261,243,281	227,715,000	1,997,000	2,269,184
37	May 24, 2021 17:11	27,953	267,707,396	232,006,060	0	2,191,360
38	May 24, 2021 17:10	27,953	268,044,333	232,007,511	0	2,179,072
39	May 24, 2021 17:10	27,953	267,530,577	232,008,581	0	2,183,168
40	May 24, 2021 17:11	27,959	274,909,183	232,060,935	0	2,187,264
41	May 24, 2021 17:11	27,963	271,559,507	232,093,978	0	2,183,168
42	May 24, 2021 17:11	27,964	275,532,167	232,102,853	0	2,191,360
43	May 24, 2021 17:11	27,965	275,664,202	232,106,699	0	2,195,456
44	May 24, 2021 17:10	27,967	300,844,648	232,125,883	0	2,187,264
45	May 24, 2021 17:11	27,969	296,684,088	232,146,785	0	2,195,456
46	May 24, 2021 17:11	27,973	275,471,396	232,179,460	0	2,252,800
47	May 24, 2021 17:11	27,982	294,954,246	232,249,444	0	2,187,264
48	May 24, 2021 17:11	27,994	299,929,446	232,347,251	0	2,183,168

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