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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Score: 12,656

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jan 26, 2023 13:31	11,766	158,646,343	97,654,500	0	2,277,376
2	Jan 26, 2023 13:31	11,786	153,236,668	97,821,945	0	2,277,376
3	Jan 26, 2023 13:31	11,921	167,017,919	98,942,530	0	2,289,664
4	Jan 27, 2023 07:25	11,937	125,028,630	97,072,000	2,001,000	2,269,184
5	Jan 27, 2023 07:25	11,938	121,913,885	99,087,000	0	2,269,184
6	Jan 27, 2023 07:25	11,960	119,765,633	97,266,000	2,005,000	2,531,328
7	Jan 27, 2023 07:25	11,987	121,243,449	98,484,000	1,004,000	2,531,328
8	Jan 27, 2023 07:25	12,003	124,741,107	97,631,000	1,992,000	2,260,992
9	Jan 27, 2023 07:25	12,079	126,725,821	97,250,000	3,007,000	2,269,184
10	Jan 27, 2023 07:25	12,108	121,855,621	99,491,000	1,004,000	2,527,232
11	Jan 27, 2023 07:25	12,166	127,473,781	99,980,000	999,000	2,273,280
12	Jan 27, 2023 07:26	12,169	156,908,955	101,004,198	0	2,273,280
13	Jan 27, 2023 07:26	12,186	172,385,244	101,146,994	0	2,277,376
14	Jan 27, 2023 07:26	12,198	154,378,485	101,240,435	0	2,269,184
15	Jan 27, 2023 07:26	12,202	166,341,100	101,275,770	0	2,273,280
16	Jan 27, 2023 07:26	12,206	174,603,917	101,306,976	0	2,273,280
17	Jan 27, 2023 07:26	12,206	157,846,231	101,307,116	0	2,289,664
18	Jan 27, 2023 07:25	12,316	135,642,712	100,218,000	2,004,000	2,269,184
19	Jan 27, 2023 07:25	12,577	159,948,514	104,388,355	0	2,260,992
20	Jan 27, 2023 07:25	12,595	165,449,474	104,541,775	0	2,285,568
21	Jan 27, 2023 07:25	12,634	176,036,452	104,865,905	0	2,281,472
22	Jan 26, 2023 13:31	12,642	129,017,893	102,933,000	1,998,000	2,269,184
23	Jan 27, 2023 07:26	12,644	127,843,606	99,947,000	4,997,000	2,269,184
24	Jan 27, 2023 07:26	12,650	126,278,202	102,997,000	1,999,000	2,392,064
25	Jan 26, 2023 13:31	12,656	128,748,729	103,044,000	2,000,000	2,265,088
26	Jan 27, 2023 07:26	12,668	127,792,505	102,144,000	3,004,000	2,531,328
27	Jan 27, 2023 07:26	12,669	133,055,265	103,153,000	2,002,000	2,269,184
28	Jan 26, 2023 13:31	12,680	129,306,326	102,239,000	3,007,000	2,269,184
29	Jan 27, 2023 07:26	12,680	130,287,460	101,236,000	4,009,000	2,531,328
30	Jan 26, 2023 13:31	12,686	127,826,898	104,295,000	1,002,000	2,531,328
31	Jan 27, 2023 07:26	12,692	127,809,865	103,340,000	2,006,000	2,527,232
32	Jan 27, 2023 07:26	12,697	130,027,011	102,371,000	3,010,000	2,269,184
33	Jan 27, 2023 07:26	12,707	125,498,981	104,462,000	1,004,000	2,359,296
34	Jan 27, 2023 07:26	12,713	136,824,921	103,511,000	2,009,000	2,269,184
35	Jan 27, 2023 07:26	12,733	130,319,329	103,687,000	1,993,000	2,527,232
36	Jan 26, 2023 13:31	12,741	130,655,984	103,758,000	1,995,000	2,531,328
37	Jan 26, 2023 13:31	12,743	131,737,516	103,770,000	1,995,000	2,269,184
38	Jan 26, 2023 13:31	12,743	133,035,954	102,776,000	2,993,000	2,531,328
39	Jan 27, 2023 07:26	12,745	131,233,293	103,788,000	1,995,000	2,269,184
40	Jan 27, 2023 07:26	12,756	129,621,969	104,879,000	998,000	2,269,184
41	Jan 26, 2023 13:31	12,761	127,649,535	104,914,000	999,000	2,265,088
42	Jan 27, 2023 07:26	12,768	132,780,846	103,973,000	1,999,000	2,269,184
43	Jan 26, 2023 13:31	12,768	130,730,072	104,976,000	999,000	2,269,184
44	Jan 27, 2023 07:26	12,769	130,714,451	103,980,000	1,999,000	2,269,184
45	Jan 27, 2023 07:26	12,770	131,478,838	101,989,000	3,999,000	2,527,232
46	Jan 27, 2023 07:26	12,780	131,783,721	104,074,000	2,001,000	2,531,328
47	Jan 27, 2023 07:26	12,845	132,200,885	105,608,000	1,005,000	2,519,040
48	Jan 27, 2023 07:26	12,891	128,794,650	103,996,000	2,999,000	2,269,184

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