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.

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 4, 2024 07:59	5,009	63,145,064	41,573,000	0	2,396,160
2	Jun 4, 2024 07:59	5,014	67,819,417	41,616,000	0	2,396,160
3	Jun 4, 2024 07:59	5,014	68,401,296	41,613,000	0	2,404,352
4	Jun 4, 2024 07:59	5,018	67,638,243	40,633,000	1,015,000	2,396,160
5	Jun 4, 2024 07:59	5,018	66,891,210	40,632,000	1,015,000	2,400,256
6	Jun 4, 2024 07:59	5,025	67,467,998	40,690,000	1,017,000	2,400,256
7	Jun 4, 2024 07:59	5,038	72,121,056	40,822,000	995,000	2,273,280
8	Jun 4, 2024 07:59	5,038	69,649,587	39,826,000	1,991,000	2,273,280
9	Jun 4, 2024 07:59	5,039	69,944,509	40,826,000	995,000	2,392,064
10	Jun 4, 2024 07:59	5,039	72,772,273	39,833,000	1,991,000	2,404,352
11	Jun 4, 2024 07:59	5,039	72,426,166	40,830,000	995,000	2,273,280
12	Jun 4, 2024 07:59	5,040	67,077,318	41,836,000	0	2,510,848
13	Jun 4, 2024 07:59	5,040	70,422,709	39,843,000	1,992,000	2,400,256
14	Jun 4, 2024 07:59	5,040	70,142,402	39,842,000	1,992,000	2,273,280
15	Jun 4, 2024 07:59	5,041	65,790,342	40,848,000	996,000	2,273,280
16	Jun 4, 2024 07:59	5,043	70,634,479	39,864,000	1,993,000	2,273,280
17	Jun 4, 2024 07:59	5,046	69,817,195	39,890,000	1,994,000	2,273,280
18	Jun 4, 2024 07:59	5,055	64,902,122	40,959,000	999,000	2,404,352
19	Jun 4, 2024 07:59	5,218	117,912,511	43,306,467	0	2,285,568
20	Jun 4, 2024 07:59	5,223	119,059,370	43,354,654	0	2,289,664
21	Jun 4, 2024 07:59	5,226	104,230,849	43,378,220	0	2,293,760
22	Jun 4, 2024 07:59	5,226	107,585,696	43,375,821	0	2,289,664
23	Jun 4, 2024 07:59	5,227	105,868,185	43,384,547	0	2,285,568
24	Jun 4, 2024 07:59	5,231	122,065,785	43,416,644	0	2,281,472
25	Jun 4, 2024 07:59	5,233	104,544,737	43,437,718	0	2,269,184
26	Jun 4, 2024 07:59	5,237	110,678,384	43,469,800	0	2,273,280
27	Jun 4, 2024 07:59	5,242	99,770,884	43,508,435	0	2,293,760
28	Jun 4, 2024 07:59	5,942	70,618,956	48,314,000	1,006,000	2,273,280
29	Jun 4, 2024 07:59	5,952	75,109,199	48,394,000	1,008,000	2,396,160
30	Jun 4, 2024 07:59	5,962	74,227,841	49,482,000	0	2,273,280
31	Jun 4, 2024 07:59	5,965	73,150,544	49,508,000	0	2,273,280
32	Jun 4, 2024 07:59	5,967	75,338,553	49,528,000	0	2,400,256
33	Jun 4, 2024 07:59	6,063	74,135,960	49,320,000	1,006,000	2,396,160

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