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 13:16	0	0	0	0	0	Error: expected "53686791424004530 ", got "53686952546046806 "
2	May 31, 2024 13:16	0	0	0	0	0	Error: No answer to stdout. Died or killed?
3	May 31, 2024 13:16	5,384	74,822,959	43,675,000	1,015,000	2,273,280
4	May 31, 2024 13:16	5,402	66,935,789	42,847,000	1,992,000	2,396,160
5	May 31, 2024 13:17	5,402	74,762,090	43,838,000	996,000	2,273,280
6	May 31, 2024 13:17	5,402	69,012,775	43,844,000	996,000	2,273,280
7	May 31, 2024 13:16	5,402	73,298,093	43,839,000	996,000	2,400,256
8	May 31, 2024 13:16	5,403	69,355,472	42,851,000	1,993,000	2,387,968
9	May 31, 2024 13:17	5,404	69,840,227	43,861,000	996,000	2,273,280
10	May 31, 2024 13:17	5,408	65,426,819	42,892,000	1,994,000	2,392,064
11	May 31, 2024 13:16	5,414	66,586,650	43,941,000	998,000	2,273,280
12	May 31, 2024 13:16	5,415	66,988,666	43,943,000	998,000	2,400,256
13	May 31, 2024 13:16	5,415	74,632,182	42,944,000	1,997,000	2,408,448
14	May 31, 2024 13:16	5,415	68,834,875	43,948,000	998,000	2,265,088
15	May 31, 2024 13:16	5,415	69,084,443	42,950,000	1,997,000	2,273,280
16	May 31, 2024 13:17	5,415	67,520,675	43,943,000	998,000	2,400,256
17	May 31, 2024 13:16	5,416	72,506,066	43,955,000	998,000	2,387,968
18	May 31, 2024 13:16	5,418	66,165,346	42,971,000	1,998,000	2,273,280
19	May 31, 2024 13:16	5,418	70,207,165	42,971,000	1,998,000	2,273,280
20	May 31, 2024 13:17	5,420	69,050,919	43,983,000	999,000	2,273,280
21	May 31, 2024 13:16	5,420	70,724,706	43,987,000	999,000	2,273,280
22	May 31, 2024 13:16	5,420	69,611,261	42,985,000	1,999,000	2,400,256
23	May 31, 2024 13:17	5,421	70,423,992	42,993,000	1,999,000	2,273,280
24	May 31, 2024 13:16	5,422	67,738,419	43,006,000	2,000,000	2,392,064
25	May 31, 2024 13:16	5,424	71,075,125	44,023,000	1,000,000	2,404,352
26	May 31, 2024 13:17	5,428	68,944,479	45,054,000	0	2,396,160
27	May 31, 2024 13:16	5,429	65,132,205	43,057,000	2,002,000	2,473,984
28	May 31, 2024 13:16	5,430	66,350,690	43,066,000	2,003,000	2,273,280
29	May 31, 2024 13:16	5,431	67,526,819	44,078,000	1,001,000	2,273,280
30	May 31, 2024 13:16	5,433	71,525,525	43,093,000	2,004,000	2,400,256
31	May 31, 2024 13:17	5,439	68,724,852	43,139,000	2,006,000	2,392,064
32	May 31, 2024 13:17	5,458	68,398,837	43,286,000	2,013,000	2,404,352
33	May 31, 2024 13:17	5,488	70,003,967	45,549,000	0	2,273,280
34	May 31, 2024 13:17	5,531	69,270,879	43,909,000	1,995,000	2,400,256
35	May 31, 2024 13:16	5,547	67,858,781	45,038,000	1,000,000	2,404,352
36	May 31, 2024 13:16	5,563	67,400,803	44,164,000	2,007,000	2,273,280
37	May 31, 2024 13:16	5,573	73,116,975	45,255,000	1,005,000	2,273,280
38	May 31, 2024 13:16	5,599	108,164,006	46,472,464	0	2,285,568
39	May 31, 2024 13:17	5,599	112,918,489	46,471,146	0	2,281,472
40	May 31, 2024 13:17	5,601	116,296,177	46,488,084	0	2,285,568
41	May 31, 2024 13:17	5,605	108,316,836	46,520,163	0	2,285,568
42	May 31, 2024 13:17	5,606	111,261,729	46,526,930	0	2,285,568
43	May 31, 2024 13:16	5,611	109,122,216	46,568,396	0	2,289,664
44	May 31, 2024 13:16	5,616	131,746,316	46,614,046	0	2,277,376
45	May 31, 2024 13:17	5,621	117,219,561	46,651,825	0	2,281,472
46	May 31, 2024 13:16	5,628	122,948,651	46,709,577	0	2,293,760
47	May 31, 2024 13:16	5,662	135,845,721	46,996,928	0	2,285,568
48	May 31, 2024 13:16	5,708	73,103,467	46,367,000	1,007,000	2,273,280
49	May 31, 2024 13:17	5,776	119,754,384	47,940,336	0	2,289,664
50	May 31, 2024 13:16	5,927	112,573,548	49,196,274	0	2,281,472

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