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 5, 2021 11:00

Sergey Stremin

Score: 23,783

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Sep 5, 2021 11:00	23,474	269,959,911	194,831,415	0	2,232,320
2	Sep 5, 2021 11:00	23,520	261,912,362	195,218,446	0	2,232,320
3	Sep 5, 2021 11:00	23,604	262,642,097	195,915,116	0	2,224,128
4	Sep 5, 2021 11:02	23,628	266,633,748	196,112,609	0	2,224,128
5	Sep 5, 2021 11:02	23,634	261,438,178	196,161,707	0	2,224,128
6	Sep 5, 2021 11:00	23,676	259,723,648	196,509,535	0	2,224,128
7	Sep 5, 2021 11:02	23,687	222,277,549	195,600,000	1,003,000	2,281,472
8	Sep 5, 2021 11:00	23,690	265,513,047	196,630,325	0	2,228,224
9	Sep 5, 2021 11:02	23,706	265,695,394	196,758,727	0	2,215,936
10	Sep 5, 2021 11:00	23,707	259,609,186	196,770,651	0	2,224,128
11	Sep 5, 2021 11:00	23,709	226,324,818	195,785,000	998,000	2,281,472
12	Sep 5, 2021 11:02	23,744	219,874,343	196,073,000	1,000,000	2,375,680
13	Sep 5, 2021 11:00	23,746	221,261,841	196,091,000	1,000,000	2,375,680
14	Sep 5, 2021 11:02	23,753	221,606,912	196,147,000	1,000,000	2,281,472
15	Sep 5, 2021 11:00	23,757	218,424,682	196,179,000	1,000,000	2,281,472
16	Sep 5, 2021 11:00	23,772	218,790,112	197,311,000	0	2,281,472
17	Sep 5, 2021 11:02	23,776	221,788,238	196,341,000	1,001,000	2,371,584
18	Sep 5, 2021 11:00	23,783	218,122,697	196,394,000	1,002,000	2,289,664
19	Sep 5, 2021 11:00	23,783	219,934,849	196,395,000	1,002,000	2,281,472
20	Sep 5, 2021 11:02	23,785	224,733,342	196,416,000	1,002,000	2,363,392
21	Sep 5, 2021 11:00	23,785	225,205,009	197,418,000	0	2,371,584
22	Sep 5, 2021 11:00	23,790	228,813,389	195,459,000	1,994,000	2,367,488
23	Sep 5, 2021 11:02	23,791	222,153,455	197,463,000	0	2,281,472
24	Sep 5, 2021 11:00	23,791	218,475,617	196,465,000	1,002,000	2,367,488
25	Sep 5, 2021 11:00	23,792	224,695,234	196,472,000	1,002,000	2,367,488
26	Sep 5, 2021 11:00	23,792	218,730,288	196,473,000	1,002,000	2,281,472
27	Sep 5, 2021 11:02	23,794	224,415,044	197,489,000	0	2,281,472
28	Sep 5, 2021 11:00	23,796	226,329,274	197,509,000	0	2,281,472
29	Sep 5, 2021 11:00	23,798	225,495,649	197,525,000	0	2,359,296
30	Sep 5, 2021 11:02	23,802	220,279,136	197,554,000	0	2,281,472
31	Sep 5, 2021 11:00	23,807	221,766,202	196,591,000	1,003,000	2,363,392
32	Sep 5, 2021 11:00	23,811	221,679,165	195,633,000	1,996,000	2,281,472
33	Sep 5, 2021 11:00	23,834	222,233,102	195,823,000	1,998,000	2,375,680
34	Sep 5, 2021 11:00	24,223	224,251,372	199,053,000	2,000,000	2,281,472
35	Sep 5, 2021 11:00	24,225	224,116,003	200,068,000	1,000,000	2,355,200
36	Sep 5, 2021 11:02	24,238	223,664,506	199,175,000	2,001,000	2,281,472

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