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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Yuriy Lyfenko

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory	Error
1	Dec 6, 2023 02:50	0	0	0	0	0	Error: expected "53681578733489590 ", got "53681553133233590 "	stderr
2	Dec 6, 2023 02:47	0	0	0	0	0	Error: expected "53689445442067930 ", got "53689419586067930 "	stderr
3	Dec 6, 2023 02:47	0	0	0	0	0	Error: expected "53682074356494384 ", got "53682074074638384 "	stderr
4	Dec 6, 2023 02:46	0	0	0	0	0	Error: expected "53683209792034436 ", got "53683184192034436 "	stderr
5	Dec 6, 2023 02:46	0	0	0	0	0	Error: expected "53689801699945021 ", got "53689776099945021 "	stderr
6	Dec 6, 2023 02:46	0	0	0	0	0	Error: expected "53689120403881332 ", got "53689120403881076 "	stderr
7	Dec 6, 2023 02:45	0	0	0	0	0	Error: expected "53685066050927632 ", got "53685037865327632 "	stderr
8	Dec 6, 2023 02:49	7,021	82,660,215	55,261,000	3,014,000	2,301,952
9	Dec 6, 2023 02:49	7,035	85,103,287	56,375,000	2,013,000	2,531,328
10	Dec 6, 2023 02:49	7,087	88,320,946	54,838,000	3,988,000	2,363,392
11	Dec 6, 2023 02:49	7,143	80,904,036	55,267,000	4,019,000	2,494,464
12	Dec 6, 2023 02:49	7,152	81,317,978	56,346,000	3,018,000	2,514,944
13	Dec 6, 2023 02:49	7,155	85,710,154	56,365,000	3,019,000	2,510,848
14	Dec 6, 2023 02:49	7,158	86,028,160	56,394,000	3,021,000	2,465,792
15	Dec 6, 2023 02:45	7,160	85,089,074	58,421,000	1,007,000	2,359,296
16	Dec 6, 2023 02:49	7,176	85,886,547	57,579,000	1,985,000	2,269,184
17	Dec 6, 2023 02:49	7,183	122,662,044	59,619,465	0	2,297,856
18	Dec 6, 2023 02:45	7,203	91,307,909	54,806,000	4,982,000	2,510,848
19	Dec 6, 2023 02:45	7,229	82,510,345	56,003,000	4,000,000	2,416,640
20	Dec 6, 2023 02:49	7,250	121,590,911	60,177,713	0	2,248,704
21	Dec 6, 2023 02:45	7,254	82,820,638	55,193,000	5,017,000	2,465,792
22	Dec 6, 2023 02:49	7,281	134,220,542	60,428,363	0	2,183,168
23	Dec 6, 2023 02:45	7,290	89,390,367	57,483,000	3,025,000	2,392,064
24	Dec 6, 2023 02:45	7,290	89,368,125	57,485,000	3,025,000	2,412,544
25	Dec 6, 2023 02:45	7,293	88,500,414	57,505,000	3,026,000	2,338,816
26	Dec 6, 2023 02:49	7,301	92,480,492	56,557,000	4,039,000	2,461,696
27	Dec 6, 2023 02:48	7,311	116,272,666	60,681,685	0	2,281,472
28	Dec 6, 2023 02:47	7,322	121,586,887	60,769,204	0	2,277,376
29	Dec 6, 2023 02:45	7,331	126,209,514	60,850,172	0	2,256,896
30	Dec 6, 2023 02:47	7,351	120,595,954	61,011,715	0	2,310,144
31	Dec 6, 2023 02:45	7,360	86,040,480	58,085,000	3,004,000	2,424,832
32	Dec 6, 2023 02:45	7,364	84,397,685	59,121,000	2,004,000	2,465,792
33	Dec 6, 2023 02:48	7,370	133,637,284	61,174,540	0	2,207,744
34	Dec 6, 2023 02:47	7,381	116,652,221	61,258,867	0	2,228,224
35	Dec 6, 2023 02:45	7,382	119,724,868	61,273,575	0	2,248,704
36	Dec 6, 2023 02:45	7,399	121,692,852	61,413,106	0	2,248,704
37	Dec 6, 2023 02:48	7,436	123,265,541	61,722,521	0	2,179,072

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