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 17:31	5,035	115,352,556	41,792,061	0	2,277,376
2	Jun 4, 2024 17:31	5,047	117,629,666	41,891,174	0	2,281,472
3	Jun 4, 2024 17:31	5,048	107,326,707	41,895,219	0	2,281,472
4	Jun 4, 2024 17:31	5,049	111,235,860	41,910,691	0	2,289,664
5	Jun 4, 2024 17:31	5,050	97,135,477	41,917,163	0	2,285,568
6	Jun 4, 2024 17:31	5,051	106,780,086	41,919,213	0	2,289,664
7	Jun 4, 2024 17:31	5,055	108,556,533	41,954,740	0	2,285,568
8	Jun 4, 2024 17:31	5,055	120,512,077	41,959,212	0	2,293,760
9	Jun 4, 2024 17:31	5,062	100,852,288	42,014,969	0	2,281,472
10	Jun 4, 2024 17:31	5,066	100,588,754	42,044,097	0	2,281,472
11	Jun 4, 2024 17:31	5,082	117,501,076	42,177,557	0	2,277,376
12	Jun 4, 2024 17:31	5,092	116,942,621	42,263,603	0	2,285,568
13	Jun 4, 2024 17:31	5,231	66,294,499	43,418,000	0	2,400,256
14	Jun 4, 2024 17:31	5,233	69,884,635	43,436,000	0	2,273,280
15	Jun 4, 2024 17:31	5,234	65,433,882	42,434,000	1,010,000	2,273,280
16	Jun 4, 2024 17:31	5,237	64,875,345	43,471,000	0	2,400,256
17	Jun 4, 2024 17:31	5,239	68,548,619	43,481,000	0	2,273,280
18	Jun 4, 2024 17:31	5,241	63,602,854	42,489,000	1,011,000	2,273,280
19	Jun 4, 2024 17:31	5,241	67,257,152	43,500,000	0	2,396,160
20	Jun 4, 2024 17:31	5,242	68,447,177	42,501,000	1,011,000	2,273,280
21	Jun 4, 2024 17:31	5,243	67,143,988	43,518,000	0	2,273,280
22	Jun 4, 2024 17:31	5,244	65,010,637	43,525,000	0	2,273,280
23	Jun 4, 2024 17:31	5,244	69,802,336	42,514,000	1,012,000	2,273,280
24	Jun 4, 2024 17:31	5,245	71,828,874	42,520,000	1,012,000	2,392,064
25	Jun 4, 2024 17:31	5,246	66,700,967	42,528,000	1,012,000	2,396,160
26	Jun 4, 2024 17:31	5,247	65,956,837	42,540,000	1,012,000	2,273,280
27	Jun 4, 2024 17:31	5,248	75,016,850	42,547,000	1,013,000	2,404,352
28	Jun 4, 2024 17:31	5,248	71,263,512	42,547,000	1,013,000	2,404,352
29	Jun 4, 2024 17:31	5,249	71,865,359	42,551,000	1,013,000	2,404,352
30	Jun 4, 2024 17:31	5,249	70,551,748	42,550,000	1,013,000	2,273,280
31	Jun 4, 2024 17:31	5,251	71,402,231	42,571,000	1,013,000	2,273,280
32	Jun 4, 2024 17:31	5,251	75,630,229	43,583,000	0	2,396,160
33	Jun 4, 2024 17:31	5,252	75,642,443	43,593,000	0	2,273,280
34	Jun 4, 2024 17:31	5,252	71,993,091	42,578,000	1,013,000	2,273,280
35	Jun 4, 2024 17:31	5,256	69,648,817	42,631,000	991,000	2,273,280
36	Jun 4, 2024 17:31	5,259	71,239,717	43,647,000	0	2,273,280
37	Jun 4, 2024 17:31	5,260	68,387,063	42,639,000	1,015,000	2,400,256
38	Jun 4, 2024 17:31	5,262	69,221,271	43,675,000	0	2,396,160
39	Jun 4, 2024 17:31	5,264	67,106,590	43,688,000	0	2,510,848
40	Jun 4, 2024 17:31	6,215	83,598,503	51,587,000	0	2,273,280
41	Jun 4, 2024 17:31	6,244	77,424,869	49,830,000	1,993,000	2,400,256
42	Jun 4, 2024 17:31	6,244	83,524,471	49,832,000	1,993,000	2,273,280
43	Jun 4, 2024 17:31	6,258	77,515,571	50,941,000	998,000	2,400,256
44	Jun 4, 2024 17:31	6,259	75,418,317	50,953,000	999,000	2,273,280
45	Jun 4, 2024 17:31	6,265	80,100,444	51,002,000	1,000,000	2,273,280
46	Jun 4, 2024 17:31	6,272	80,199,277	50,053,000	2,002,000	2,273,280
47	Jun 4, 2024 17:31	6,283	77,836,797	50,144,000	2,005,000	2,396,160
48	Jun 4, 2024 17:31	6,291	76,286,359	51,208,000	1,004,000	2,396,160

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