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 6, 2022 17:01

Bernard Teo

Score: 10,447

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Sep 6, 2022 17:01	10,396	114,489,627	85,282,000	1,003,000	2,273,280
2	Sep 6, 2022 17:00	10,398	108,356,040	85,297,000	1,003,000	2,273,280
3	Sep 6, 2022 17:00	10,400	111,901,860	85,321,000	1,003,000	2,273,280
4	Sep 6, 2022 17:01	10,404	115,915,921	85,350,000	1,004,000	2,400,256
5	Sep 6, 2022 17:00	10,407	109,216,791	85,372,000	1,004,000	2,400,256
6	Sep 6, 2022 17:01	10,408	109,177,307	86,385,000	0	2,273,280
7	Sep 6, 2022 17:00	10,420	111,497,603	85,483,000	1,005,000	2,400,256
8	Sep 6, 2022 17:01	10,421	108,119,142	85,492,000	1,005,000	2,273,280
9	Sep 6, 2022 17:01	10,422	108,614,820	86,505,000	0	2,408,448
10	Sep 6, 2022 17:00	10,422	109,649,044	86,503,000	0	2,400,256
11	Sep 6, 2022 17:00	10,430	114,868,956	86,569,000	0	2,273,280
12	Sep 6, 2022 17:00	10,431	113,212,019	86,576,000	0	2,273,280
13	Sep 6, 2022 17:01	10,433	112,237,860	85,590,000	1,006,000	2,273,280
14	Sep 6, 2022 17:01	10,433	113,405,349	86,595,000	0	2,273,280
15	Sep 6, 2022 17:00	10,445	113,402,530	85,683,000	1,008,000	2,273,280
16	Sep 6, 2022 17:01	10,447	113,022,342	85,703,000	1,008,000	2,408,448
17	Sep 6, 2022 17:01	10,453	120,891,306	86,760,000	0	2,396,160
18	Sep 6, 2022 17:01	10,455	113,010,916	85,780,000	997,000	2,273,280
19	Sep 6, 2022 17:01	10,459	114,433,534	84,811,000	1,995,000	2,404,352
20	Sep 6, 2022 17:00	10,461	111,231,373	84,831,000	1,996,000	2,273,280
21	Sep 6, 2022 17:00	10,461	112,395,704	85,827,000	997,000	2,273,280
22	Sep 6, 2022 17:00	10,463	114,421,874	85,845,000	998,000	2,273,280
23	Sep 6, 2022 17:01	10,468	115,562,729	84,888,000	1,997,000	2,273,280
24	Sep 6, 2022 17:00	10,485	115,744,419	86,025,000	1,000,000	2,392,064
25	Sep 6, 2022 17:00	11,752	154,700,229	97,538,011	0	2,293,760
26	Sep 6, 2022 17:01	11,763	175,237,371	97,632,315	0	2,289,664
27	Sep 6, 2022 17:01	11,773	160,994,023	97,718,339	0	2,277,376
28	Sep 6, 2022 17:01	11,782	158,343,461	97,789,359	0	2,281,472
29	Sep 6, 2022 17:00	11,784	156,433,448	97,809,365	0	2,285,568
30	Sep 6, 2022 17:00	11,797	171,496,703	97,912,987	0	2,256,896

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