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 7, 2024 16:03	3,802	50,378,747	29,518,000	2,035,000	2,482,176
2	Jun 7, 2024 16:03	3,802	55,814,873	29,518,000	2,035,000	2,486,272
3	Jun 7, 2024 16:03	3,837	56,460,008	28,864,000	2,986,000	2,273,280
4	Jun 7, 2024 16:03	3,838	62,200,578	28,870,000	2,986,000	2,273,280
5	Jun 7, 2024 16:03	3,838	63,142,893	28,866,000	2,986,000	2,273,280
6	Jun 7, 2024 16:03	3,854	54,029,841	29,989,000	1,999,000	2,482,176
7	Jun 7, 2024 16:03	3,859	58,344,910	30,028,000	2,001,000	2,273,280
8	Jun 7, 2024 16:03	3,870	56,481,992	29,112,000	3,011,000	2,490,368
9	Jun 7, 2024 16:03	3,871	55,494,693	30,120,000	2,008,000	2,494,464
10	Jun 7, 2024 16:03	3,874	57,675,058	29,138,000	3,014,000	2,273,280
11	Jun 7, 2024 16:03	3,875	59,911,180	29,148,000	3,015,000	2,273,280
12	Jun 7, 2024 16:03	3,876	57,509,362	29,155,000	3,016,000	2,273,280
13	Jun 7, 2024 16:03	3,885	58,884,653	31,240,000	1,007,000	2,342,912
14	Jun 7, 2024 16:03	3,890	54,721,086	29,258,000	3,026,000	2,486,272
15	Jun 7, 2024 16:03	3,890	56,092,429	29,257,000	3,026,000	2,482,176
16	Jun 7, 2024 16:03	3,897	58,277,552	30,322,000	2,021,000	2,273,280
17	Jun 7, 2024 16:03	3,900	62,906,250	30,347,000	2,023,000	2,486,272
18	Jun 7, 2024 16:03	3,902	55,915,926	29,354,000	3,036,000	2,490,368
19	Jun 7, 2024 16:03	3,904	57,307,291	29,365,000	3,037,000	2,273,280
20	Jun 7, 2024 16:03	3,913	57,765,697	31,460,000	1,014,000	2,494,464
21	Jun 7, 2024 16:03	3,922	55,858,096	30,522,000	2,034,000	2,494,464
22	Jun 7, 2024 16:03	3,922	56,677,072	32,556,000	0	2,273,280
23	Jun 7, 2024 16:03	3,924	59,258,040	30,533,000	2,035,000	2,273,280
24	Jun 7, 2024 16:03	3,925	53,885,052	31,558,000	1,018,000	2,486,272
25	Jun 7, 2024 16:03	3,935	60,634,190	30,618,000	2,041,000	2,273,280
26	Jun 7, 2024 16:03	3,937	55,819,966	31,685,000	990,000	2,273,280
27	Jun 7, 2024 16:03	3,940	57,690,291	31,679,000	1,021,000	2,490,368
28	Jun 7, 2024 16:03	3,941	58,059,107	31,687,000	1,022,000	2,486,272
29	Jun 7, 2024 16:03	3,957	59,506,122	30,854,000	1,990,000	2,273,280
30	Jun 7, 2024 16:03	3,959	60,959,361	30,866,000	1,991,000	2,273,280
31	Jun 7, 2024 16:03	3,960	55,338,412	30,880,000	1,992,000	2,273,280
32	Jun 7, 2024 16:03	3,977	55,648,271	32,011,000	1,000,000	2,490,368
33	Jun 7, 2024 16:03	3,985	60,529,416	30,066,000	3,006,000	2,273,280
34	Jun 7, 2024 16:03	3,988	55,597,215	30,089,000	3,008,000	2,355,200
35	Jun 7, 2024 16:03	4,058	59,834,062	32,659,000	1,020,000	2,502,656
36	Jun 7, 2024 16:03	4,081	62,056,524	30,881,000	2,988,000	2,273,280
37	Jun 7, 2024 16:03	4,175	97,858,722	34,655,434	0	2,252,800
38	Jun 7, 2024 16:03	4,224	104,906,460	35,057,333	0	2,236,416
39	Jun 7, 2024 16:03	4,237	104,591,376	35,166,765	0	2,232,320
40	Jun 7, 2024 16:03	4,252	109,412,594	35,289,269	0	2,236,416
41	Jun 7, 2024 16:03	4,266	111,261,022	35,409,109	0	2,244,608
42	Jun 7, 2024 16:03	4,267	104,449,231	35,414,597	0	2,236,416
43	Jun 7, 2024 16:03	4,311	119,726,010	35,781,339	0	2,236,416
44	Jun 7, 2024 16:03	4,323	99,985,210	35,884,885	0	2,244,608
45	Jun 7, 2024 16:03	4,329	102,770,132	35,930,773	0	2,244,608
46	Jun 7, 2024 16:03	4,343	115,943,124	36,050,871	0	2,367,488
47	Jun 7, 2024 16:03	4,389	103,187,377	36,429,953	0	2,375,680
48	Jun 7, 2024 16:03	4,397	115,131,161	36,497,206	0	2,244,608

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