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	Error
1	May 31, 2024 09:39	0	0	0	0	0	Error: expected "53684678303015613 ", got "53684870359096910 "
2	May 31, 2024 09:39	4,939	64,318,263	39,998,000	999,000	2,273,280
3	May 31, 2024 09:39	4,940	62,986,512	39,006,000	2,000,000	2,404,352
4	May 31, 2024 09:39	4,942	62,899,423	39,017,000	2,000,000	2,273,280
5	May 31, 2024 09:39	4,943	62,674,508	39,027,000	2,001,000	2,400,256
6	May 31, 2024 09:39	4,944	59,958,025	40,038,000	1,000,000	2,519,040
7	May 31, 2024 09:39	4,945	62,937,223	39,039,000	2,002,000	2,400,256
8	May 31, 2024 09:39	4,947	67,290,986	39,057,000	2,002,000	2,273,280
9	May 31, 2024 09:39	4,949	64,313,722	39,074,000	2,003,000	2,273,280
10	May 31, 2024 09:39	4,950	64,703,197	40,086,000	1,002,000	2,400,256
11	May 31, 2024 09:39	4,952	64,343,345	39,095,000	2,004,000	2,273,280
12	May 31, 2024 09:39	4,952	62,227,261	40,100,000	1,002,000	2,273,280
13	May 31, 2024 09:39	4,954	62,443,170	39,110,000	2,005,000	2,273,280
14	May 31, 2024 09:39	4,954	67,607,680	40,118,000	1,002,000	2,273,280
15	May 31, 2024 09:39	4,955	64,733,607	39,117,000	2,006,000	2,396,160
16	May 31, 2024 09:39	4,955	64,211,170	39,120,000	2,006,000	2,404,352
17	May 31, 2024 09:39	4,955	65,315,674	40,121,000	1,003,000	2,400,256
18	May 31, 2024 09:39	4,956	63,432,806	39,131,000	2,006,000	2,273,280
19	May 31, 2024 09:39	4,956	68,133,852	39,126,000	2,006,000	2,273,280
20	May 31, 2024 09:39	4,957	67,068,639	39,136,000	2,007,000	2,273,280
21	May 31, 2024 09:39	4,958	65,351,077	40,147,000	1,003,000	2,396,160
22	May 31, 2024 09:39	4,959	66,204,914	39,152,000	2,007,000	2,273,280
23	May 31, 2024 09:39	4,961	66,441,998	39,169,000	2,008,000	2,273,280
24	May 31, 2024 09:39	4,967	62,928,135	39,219,000	2,011,000	2,273,280
25	May 31, 2024 09:39	4,976	72,316,984	39,285,000	2,014,000	2,273,280
26	May 31, 2024 09:39	4,985	71,648,626	41,373,000	0	2,273,280
27	May 31, 2024 09:39	5,013	68,303,432	40,591,000	1,014,000	2,273,280
28	May 31, 2024 09:39	5,170	67,326,586	41,913,000	997,000	2,396,160
29	May 31, 2024 09:39	6,168	71,985,913	49,191,000	2,007,000	2,273,280
30	May 31, 2024 09:39	6,172	76,926,593	49,220,000	2,008,000	2,273,280
31	May 31, 2024 09:39	6,174	72,698,461	50,239,000	1,004,000	2,273,280
32	May 31, 2024 09:39	6,184	76,614,038	50,325,000	1,006,000	2,273,280
33	May 31, 2024 09:39	6,187	73,254,711	49,335,000	2,013,000	2,412,544
34	May 31, 2024 09:39	6,196	76,277,185	50,422,000	1,008,000	2,273,280
35	May 31, 2024 09:39	6,242	82,388,699	49,820,000	1,992,000	2,273,280
36	May 31, 2024 09:39	6,243	80,939,314	50,820,000	996,000	2,392,064
37	May 31, 2024 09:39	6,245	75,980,702	50,840,000	996,000	2,519,040
38	May 31, 2024 09:39	6,354	110,281,730	52,736,805	0	2,277,376
39	May 31, 2024 09:39	6,451	118,950,943	53,541,147	0	2,285,568
40	May 31, 2024 09:39	6,467	108,732,964	53,672,221	0	2,285,568
41	May 31, 2024 09:39	6,473	112,083,075	53,724,010	0	2,281,472
42	May 31, 2024 09:39	6,474	118,494,125	53,732,130	0	2,285,568
43	May 31, 2024 09:39	6,477	120,634,705	53,757,494	0	2,277,376
44	May 31, 2024 09:39	6,486	116,566,140	53,830,274	0	2,285,568
45	May 31, 2024 09:39	6,519	115,088,626	54,108,838	0	2,285,568
46	May 31, 2024 09:39	6,525	117,414,495	54,157,685	0	2,289,664

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