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	May 29, 2024 18:23	6,003	73,428,121	46,835,000	2,989,000	2,293,760
2	May 29, 2024 18:23	6,005	73,271,268	48,843,000	996,000	2,473,984
3	May 29, 2024 18:20	6,007	75,531,832	46,871,000	2,991,000	2,301,952
4	May 29, 2024 18:23	6,009	75,237,598	46,886,000	2,992,000	2,420,736
5	May 29, 2024 18:19	6,014	70,110,914	47,921,000	1,996,000	2,285,568
6	May 29, 2024 18:19	6,014	69,511,516	47,918,000	1,996,000	2,293,760
7	May 29, 2024 18:20	6,025	75,410,469	48,005,000	2,000,000	2,273,280
8	May 29, 2024 18:19	6,026	74,204,085	48,016,000	2,000,000	2,297,856
9	May 29, 2024 18:23	6,033	72,294,155	47,074,000	3,004,000	2,297,856
10	May 29, 2024 18:20	6,034	71,337,476	48,082,000	2,003,000	2,297,856
11	May 29, 2024 18:23	6,050	72,030,324	48,203,000	2,008,000	2,301,952
12	May 29, 2024 18:23	6,063	76,525,063	48,310,000	2,012,000	2,277,376
13	May 29, 2024 18:23	6,092	77,036,297	49,549,000	1,011,000	2,293,760
14	May 29, 2024 18:23	6,105	73,570,121	49,659,000	1,013,000	2,297,856
15	May 29, 2024 18:20	6,123	78,905,181	47,835,000	2,989,000	2,273,280
16	May 29, 2024 18:23	6,123	78,441,997	48,832,000	1,993,000	2,273,280
17	May 29, 2024 18:19	6,124	76,717,016	48,838,000	1,993,000	2,273,280
18	May 29, 2024 18:19	6,132	72,388,327	47,901,000	2,993,000	2,293,760
19	May 29, 2024 18:23	6,134	76,401,356	47,919,000	2,994,000	2,273,280
20	May 29, 2024 18:23	6,136	73,889,233	48,935,000	1,997,000	2,289,664
21	May 29, 2024 18:19	6,137	78,990,897	48,942,000	1,997,000	2,293,760
22	May 29, 2024 18:23	6,138	79,960,374	47,951,000	2,996,000	2,273,280
23	May 29, 2024 18:20	6,142	74,427,309	47,978,000	2,998,000	2,297,856
24	May 29, 2024 18:20	6,143	73,984,631	48,990,000	1,999,000	2,273,280
25	May 29, 2024 18:23	6,146	75,261,734	50,009,000	1,000,000	2,273,280
26	May 29, 2024 18:23	6,148	77,352,786	50,028,000	1,000,000	2,416,640
27	May 29, 2024 18:19	6,152	77,988,368	48,059,000	3,003,000	2,293,760
28	May 29, 2024 18:23	6,153	74,091,805	50,070,000	1,001,000	2,314,240
29	May 29, 2024 18:20	6,155	72,147,535	48,084,000	3,005,000	2,306,048
30	May 29, 2024 18:23	6,160	73,229,452	50,122,000	1,002,000	2,273,280
31	May 29, 2024 18:20	6,162	75,942,955	49,143,000	2,005,000	2,273,280
32	May 29, 2024 18:23	6,164	74,282,815	48,153,000	3,009,000	2,375,680
33	May 29, 2024 18:23	6,164	73,592,402	48,152,000	3,009,000	2,301,952
34	May 29, 2024 18:23	6,166	76,018,792	48,170,000	3,010,000	2,273,280
35	May 29, 2024 18:19	6,178	75,364,898	50,276,000	1,005,000	2,293,760
36	May 29, 2024 18:20	6,182	75,093,177	48,294,000	3,018,000	2,273,280
37	May 29, 2024 18:20	6,184	78,616,411	49,314,000	2,012,000	2,273,280
38	May 29, 2024 18:23	6,185	73,883,015	49,321,000	2,013,000	2,306,048
39	May 29, 2024 18:20	6,207	75,327,719	49,498,000	2,020,000	2,273,280
40	May 29, 2024 18:19	6,217	77,707,772	51,602,000	0	2,293,760
41	May 29, 2024 18:23	6,224	76,536,211	49,637,000	2,026,000	2,289,664
42	May 29, 2024 18:23	6,242	85,649,671	50,816,000	996,000	2,297,856
43	May 29, 2024 18:19	6,276	76,328,266	49,086,000	3,005,000	2,273,280
44	May 29, 2024 18:19	6,318	76,372,614	50,425,000	2,017,000	2,297,856
45	May 29, 2024 18:20	6,338	81,337,632	51,598,000	1,011,000	2,273,280
46	May 29, 2024 18:23	6,340	77,722,072	51,633,000	992,000	2,301,952
47	May 29, 2024 18:19	6,380	77,112,758	49,953,000	2,997,000	2,273,280
48	May 29, 2024 18:23	6,395	71,140,840	51,075,000	2,002,000	2,273,280
49	May 29, 2024 18:23	6,438	121,163,823	53,439,312	0	2,187,264
50	May 29, 2024 18:19	6,464	111,141,189	53,652,255	0	2,187,264
51	May 29, 2024 18:20	6,478	118,423,986	53,764,172	0	2,183,168
52	May 29, 2024 18:23	6,483	105,802,141	53,810,414	0	2,187,264
53	May 29, 2024 18:19	6,484	127,336,665	53,818,695	0	2,179,072
54	May 29, 2024 18:23	6,510	129,031,959	54,036,448	0	2,183,168
55	May 29, 2024 18:20	6,531	107,547,957	54,205,978	0	2,191,360
56	May 29, 2024 18:23	6,573	125,195,833	54,556,844	0	2,199,552
57	May 29, 2024 18:20	6,604	128,963,442	54,811,902	0	2,301,952
58	May 29, 2024 18:23	6,636	130,685,276	55,079,074	0	2,183,168
59	May 29, 2024 18:19	6,927	118,626,468	57,498,198	0	2,187,264
60	May 29, 2024 18:23	6,958	126,666,068	57,754,294	0	2,183,168

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