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 17:36	5,016	109,638,744	41,635,059	0	2,285,568
2	Jun 4, 2024 17:36	5,019	106,284,633	41,658,679	0	2,289,664
3	Jun 4, 2024 17:36	5,020	100,840,668	41,667,532	0	2,285,568
4	Jun 4, 2024 17:36	5,025	108,656,139	41,704,688	0	2,293,760
5	Jun 4, 2024 17:36	5,027	118,665,935	41,725,795	0	2,281,472
6	Jun 4, 2024 17:36	5,027	108,014,181	41,726,629	0	2,277,376
7	Jun 4, 2024 17:36	5,028	103,835,753	41,736,214	0	2,289,664
8	Jun 4, 2024 17:36	5,028	129,102,816	41,730,875	0	2,289,664
9	Jun 4, 2024 17:36	5,030	114,903,170	41,752,685	0	2,293,760
10	Jun 4, 2024 17:36	5,032	116,312,326	41,762,388	0	2,281,472
11	Jun 4, 2024 17:36	5,033	100,625,401	41,774,521	0	2,281,472
12	Jun 4, 2024 17:36	5,054	138,768,413	41,947,459	0	2,285,568
13	Jun 4, 2024 17:36	5,119	66,502,811	41,473,000	1,011,000	2,273,280
14	Jun 4, 2024 17:36	5,127	73,272,615	42,556,000	0	2,404,352
15	Jun 4, 2024 17:36	5,127	69,949,684	41,541,000	1,013,000	2,392,064
16	Jun 4, 2024 17:36	5,128	64,052,032	42,563,000	0	2,273,280
17	Jun 4, 2024 17:36	5,129	75,030,519	42,574,000	0	2,273,280
18	Jun 4, 2024 17:36	5,132	74,642,014	41,583,000	1,014,000	2,273,280
19	Jun 4, 2024 17:36	5,132	68,240,877	41,578,000	1,014,000	2,273,280
20	Jun 4, 2024 17:36	5,132	67,718,782	42,597,000	0	2,392,064
21	Jun 4, 2024 17:36	5,132	72,546,797	41,585,000	1,014,000	2,273,280
22	Jun 4, 2024 17:36	5,133	68,387,078	41,590,000	1,014,000	2,273,280
23	Jun 4, 2024 17:36	5,133	72,483,394	41,594,000	1,014,000	2,396,160
24	Jun 4, 2024 17:36	5,134	67,961,752	41,599,000	1,014,000	2,396,160
25	Jun 4, 2024 17:36	5,134	75,740,776	42,610,000	0	2,506,752
26	Jun 4, 2024 17:36	5,135	70,189,670	42,623,000	0	2,400,256
27	Jun 4, 2024 17:36	5,137	69,474,418	41,626,000	1,015,000	2,273,280
28	Jun 4, 2024 17:36	5,137	72,250,359	42,637,000	0	2,392,064
29	Jun 4, 2024 17:36	5,137	71,938,513	41,620,000	1,015,000	2,273,280
30	Jun 4, 2024 17:36	5,140	76,154,975	42,664,000	0	2,400,256
31	Jun 4, 2024 17:36	5,140	67,560,851	41,668,000	992,000	2,400,256
32	Jun 4, 2024 17:36	5,141	68,071,459	41,656,000	1,016,000	2,400,256
33	Jun 4, 2024 17:36	5,143	68,679,759	41,670,000	1,016,000	2,273,280
34	Jun 4, 2024 17:36	5,145	67,424,516	41,687,000	1,016,000	2,273,280
35	Jun 4, 2024 17:36	5,156	68,274,284	42,796,000	0	2,273,280
36	Jun 4, 2024 17:36	5,159	69,440,467	41,822,000	995,000	2,273,280
37	Jun 4, 2024 17:36	5,162	72,050,762	41,848,000	996,000	2,400,256
38	Jun 4, 2024 17:36	5,165	69,123,260	40,879,000	1,994,000	2,273,280
39	Jun 4, 2024 17:36	5,258	72,777,461	42,624,000	1,014,000	2,273,280
40	Jun 4, 2024 17:36	6,092	79,736,674	50,567,000	0	2,400,256
41	Jun 4, 2024 17:36	6,093	78,555,493	49,557,000	1,011,000	2,404,352
42	Jun 4, 2024 17:36	6,102	77,284,430	49,631,000	1,012,000	2,273,280
43	Jun 4, 2024 17:36	6,126	80,903,885	49,849,000	996,000	2,400,256
44	Jun 4, 2024 17:36	6,126	77,808,798	48,851,000	1,993,000	2,273,280
45	Jun 4, 2024 17:36	6,128	84,086,961	48,866,000	1,994,000	2,273,280
46	Jun 4, 2024 17:36	6,139	76,309,680	49,955,000	999,000	2,273,280
47	Jun 4, 2024 17:36	6,139	76,846,069	49,952,000	999,000	2,273,280
48	Jun 4, 2024 17:36	6,182	75,795,156	50,305,000	1,006,000	2,273,280

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