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 listDec 28, 2022 16:42

Bernard Teo

Score: 6,143

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Dec 28, 2022 16:42	6,131	75,867,878	48,892,000	1,995,000	2,273,280
2	Dec 28, 2022 16:42	6,136	75,877,674	49,931,000	998,000	2,269,184
3	Dec 28, 2022 16:42	6,136	74,883,484	48,933,000	1,997,000	2,273,280
4	Dec 28, 2022 16:42	6,138	79,502,729	49,946,000	998,000	2,273,280
5	Dec 28, 2022 16:42	6,138	73,290,516	48,949,000	1,997,000	2,396,160
6	Dec 28, 2022 16:42	6,138	72,056,242	48,948,000	1,997,000	2,273,280
7	Dec 28, 2022 16:42	6,139	74,631,958	49,955,000	999,000	2,273,280
8	Dec 28, 2022 16:42	6,139	73,865,743	48,957,000	1,998,000	2,396,160
9	Dec 28, 2022 16:42	6,140	78,965,202	48,960,000	1,998,000	2,392,064
10	Dec 28, 2022 16:42	6,140	76,793,343	48,960,000	1,998,000	2,273,280
11	Dec 28, 2022 16:42	6,141	79,654,984	48,974,000	1,998,000	2,510,848
12	Dec 28, 2022 16:42	6,142	77,125,969	48,979,000	1,999,000	2,396,160
13	Dec 28, 2022 16:42	6,142	77,551,838	49,980,000	999,000	2,400,256
14	Dec 28, 2022 16:42	6,143	72,415,286	48,986,000	1,999,000	2,404,352
15	Dec 28, 2022 16:42	6,143	79,008,958	48,986,000	1,999,000	2,408,448
16	Dec 28, 2022 16:42	6,143	76,743,499	49,988,000	999,000	2,392,064
17	Dec 28, 2022 16:42	6,144	73,308,594	48,995,000	1,999,000	2,273,280
18	Dec 28, 2022 16:42	6,146	71,535,179	49,011,000	2,000,000	2,273,280
19	Dec 28, 2022 16:42	6,147	74,259,827	49,024,000	2,000,000	2,273,280
20	Dec 28, 2022 16:42	6,147	76,956,878	49,018,000	2,000,000	2,273,280
21	Dec 28, 2022 16:42	6,148	79,084,956	50,031,000	1,000,000	2,273,280
22	Dec 28, 2022 16:42	6,149	73,049,884	50,036,000	1,000,000	2,273,280
23	Dec 28, 2022 16:42	6,151	72,737,418	49,053,000	2,002,000	2,387,968
24	Dec 28, 2022 16:42	6,161	76,336,469	49,134,000	2,005,000	2,273,280
25	Dec 28, 2022 16:42	6,281	109,344,983	52,131,191	0	2,277,376
26	Dec 28, 2022 16:42	6,282	119,429,176	52,136,736	0	2,285,568
27	Dec 28, 2022 16:42	6,288	105,584,495	52,186,657	0	2,289,664
28	Dec 28, 2022 16:42	6,290	124,723,524	52,207,052	0	2,277,376
29	Dec 28, 2022 16:42	6,292	127,787,379	52,221,687	0	2,277,376
30	Dec 28, 2022 16:42	6,302	115,987,220	52,307,947	0	2,277,376

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