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 15:19

Bernard Teo

Score: 7,236

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Sep 7, 2022 15:18	7,185	130,981,972	59,634,554	0	2,277,376
2	Sep 7, 2022 15:19	7,188	131,115,058	59,659,518	0	2,289,664
3	Sep 7, 2022 15:18	7,195	145,251,627	59,715,985	0	2,281,472
4	Sep 7, 2022 15:19	7,202	129,520,823	59,779,004	0	2,273,280
5	Sep 7, 2022 15:19	7,205	118,465,983	59,797,482	0	2,281,472
6	Sep 7, 2022 15:19	7,220	84,941,871	58,925,000	998,000	2,273,280
7	Sep 7, 2022 15:18	7,225	79,469,466	58,966,000	999,000	2,273,280
8	Sep 7, 2022 15:18	7,225	134,323,858	59,965,070	0	2,277,376
9	Sep 7, 2022 15:19	7,227	81,344,265	57,986,000	1,999,000	2,404,352
10	Sep 7, 2022 15:19	7,227	87,050,805	57,987,000	1,999,000	2,404,352
11	Sep 7, 2022 15:19	7,229	86,968,986	58,002,000	2,000,000	2,273,280
12	Sep 7, 2022 15:18	7,229	84,578,108	58,001,000	2,000,000	2,396,160
13	Sep 7, 2022 15:18	7,231	81,790,448	58,014,000	2,000,000	2,273,280
14	Sep 7, 2022 15:19	7,233	85,663,296	58,037,000	2,001,000	2,273,280
15	Sep 7, 2022 15:19	7,234	84,888,148	59,042,000	1,000,000	2,396,160
16	Sep 7, 2022 15:19	7,236	84,651,261	59,056,000	1,000,000	2,400,256
17	Sep 7, 2022 15:18	7,237	79,058,214	59,062,000	1,001,000	2,412,544
18	Sep 7, 2022 15:18	7,237	83,472,388	58,061,000	2,002,000	2,392,064
19	Sep 7, 2022 15:19	7,237	82,312,394	58,065,000	2,002,000	2,510,848
20	Sep 7, 2022 15:18	7,238	84,624,104	58,071,000	2,002,000	2,273,280
21	Sep 7, 2022 15:18	7,240	91,853,255	59,088,000	1,001,000	2,273,280
22	Sep 7, 2022 15:18	7,240	84,623,823	58,090,000	2,003,000	2,404,352
23	Sep 7, 2022 15:19	7,242	82,875,225	58,103,000	2,003,000	2,273,280
24	Sep 7, 2022 15:18	7,242	81,445,682	58,109,000	2,003,000	2,392,064
25	Sep 7, 2022 15:19	7,244	87,180,584	58,120,000	2,004,000	2,404,352
26	Sep 7, 2022 15:18	7,245	80,946,325	59,131,000	1,002,000	2,510,848
27	Sep 7, 2022 15:19	7,246	81,417,651	59,138,000	1,002,000	2,269,184
28	Sep 7, 2022 15:18	7,247	80,434,089	59,144,000	1,002,000	2,273,280
29	Sep 7, 2022 15:18	7,249	82,437,992	59,168,000	1,002,000	2,273,280
30	Sep 7, 2022 15:19	7,250	81,719,095	58,169,000	2,005,000	2,273,280

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