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 14:07	3,961	57,737,471	31,877,000	996,000	2,347,008
2	Jun 7, 2024 14:07	3,962	58,938,803	29,894,000	2,989,000	2,273,280
3	Jun 7, 2024 14:07	3,983	58,235,828	30,053,000	3,005,000	2,367,488
4	Jun 7, 2024 14:07	3,985	57,956,904	32,075,000	1,002,000	2,273,280
5	Jun 7, 2024 14:07	3,987	55,300,385	30,088,000	3,008,000	2,482,176
6	Jun 7, 2024 14:07	3,991	54,280,178	30,113,000	3,011,000	2,273,280
7	Jun 7, 2024 14:07	3,992	57,577,618	31,128,000	2,008,000	2,273,280
8	Jun 7, 2024 14:07	3,999	55,951,841	31,177,000	2,011,000	2,310,144
9	Jun 7, 2024 14:07	4,001	57,558,645	30,191,000	3,019,000	2,478,080
10	Jun 7, 2024 14:07	4,007	55,526,645	30,232,000	3,023,000	2,273,280
11	Jun 7, 2024 14:07	4,007	61,387,015	31,245,000	2,015,000	2,490,368
12	Jun 7, 2024 14:07	4,008	58,207,712	31,248,000	2,016,000	2,273,280
13	Jun 7, 2024 14:07	4,011	56,742,018	31,273,000	2,017,000	2,273,280
14	Jun 7, 2024 14:07	4,013	60,248,951	31,293,000	2,018,000	2,273,280
15	Jun 7, 2024 14:07	4,018	62,193,298	31,330,000	2,021,000	2,273,280
16	Jun 7, 2024 14:07	4,019	68,036,081	30,327,000	3,032,000	2,473,984
17	Jun 7, 2024 14:07	4,028	57,713,381	32,422,000	1,013,000	2,490,368
18	Jun 7, 2024 14:07	4,030	55,534,173	31,421,000	2,027,000	2,273,280
19	Jun 7, 2024 14:07	4,031	55,712,819	31,431,000	2,027,000	2,482,176
20	Jun 7, 2024 14:07	4,032	60,323,906	31,441,000	2,028,000	2,482,176
21	Jun 7, 2024 14:07	4,033	55,970,946	31,443,000	2,028,000	2,490,368
22	Jun 7, 2024 14:07	4,037	60,631,125	31,476,000	2,030,000	2,478,080
23	Jun 7, 2024 14:07	4,037	59,599,279	30,465,000	3,046,000	2,273,280
24	Jun 7, 2024 14:07	4,041	58,175,195	32,526,000	1,016,000	2,482,176
25	Jun 7, 2024 14:07	4,043	56,876,857	33,560,000	0	2,342,912
26	Jun 7, 2024 14:07	4,047	65,906,555	31,555,000	2,035,000	2,342,912
27	Jun 7, 2024 14:07	4,052	64,580,231	31,597,000	2,038,000	2,273,280
28	Jun 7, 2024 14:07	4,053	64,794,854	33,644,000	0	2,482,176
29	Jun 7, 2024 14:07	4,056	58,106,472	31,622,000	2,040,000	2,273,280
30	Jun 7, 2024 14:07	4,057	58,026,193	32,655,000	1,020,000	2,273,280
31	Jun 7, 2024 14:07	4,057	61,483,844	32,652,000	1,020,000	2,486,272
32	Jun 7, 2024 14:07	4,058	60,032,710	31,644,000	2,041,000	2,494,464
33	Jun 7, 2024 14:07	4,065	63,336,493	30,760,000	2,976,000	2,490,368
34	Jun 7, 2024 14:07	4,069	60,811,288	30,796,000	2,980,000	2,273,280
35	Jun 7, 2024 14:07	4,075	61,271,372	31,835,000	1,989,000	2,273,280
36	Jun 7, 2024 14:07	4,075	58,372,722	30,841,000	2,984,000	2,273,280
37	Jun 7, 2024 14:07	4,076	60,072,463	31,843,000	1,990,000	2,273,280
38	Jun 7, 2024 14:07	4,076	62,626,495	31,844,000	1,990,000	2,486,272
39	Jun 7, 2024 14:07	4,077	64,905,362	31,846,000	1,990,000	2,486,272
40	Jun 7, 2024 14:07	4,077	65,423,924	31,845,000	1,990,000	2,490,368
41	Jun 7, 2024 14:07	4,087	60,522,670	31,927,000	1,995,000	2,273,280
42	Jun 7, 2024 14:07	4,089	56,827,421	30,942,000	2,994,000	2,523,136
43	Jun 7, 2024 14:07	4,130	55,980,781	33,271,000	1,008,000	2,314,240
44	Jun 7, 2024 14:07	4,157	58,483,169	33,493,000	1,014,000	2,494,464
45	Jun 7, 2024 14:07	4,206	60,513,307	32,914,000	1,994,000	2,273,280
46	Jun 7, 2024 14:07	4,206	101,633,604	34,912,255	0	2,236,416
47	Jun 7, 2024 14:07	4,224	102,472,008	35,060,476	0	2,236,416
48	Jun 7, 2024 14:07	4,225	112,920,717	35,070,214	0	2,232,320
49	Jun 7, 2024 14:07	4,227	110,073,803	35,082,016	0	2,367,488
50	Jun 7, 2024 14:07	4,229	108,963,693	35,096,734	0	2,232,320
51	Jun 7, 2024 14:07	4,232	106,886,700	35,127,689	0	2,240,512
52	Jun 7, 2024 14:07	4,234	109,312,207	35,141,447	0	2,244,608
53	Jun 7, 2024 14:07	4,242	116,125,268	35,206,461	0	2,240,512
54	Jun 7, 2024 14:07	4,253	108,900,225	35,299,909	0	2,248,704
55	Jun 7, 2024 14:07	4,279	110,247,649	35,512,960	0	2,379,776
56	Jun 7, 2024 14:07	4,280	109,015,541	35,522,150	0	2,232,320
57	Jun 7, 2024 14:07	4,457	109,485,397	36,991,801	0	2,248,704

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