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 13:28	5,284	76,602,686	42,860,000	996,000	2,400,256
2	Jun 4, 2024 13:28	5,285	70,941,804	41,873,000	1,993,000	2,273,280
3	Jun 4, 2024 13:28	5,286	76,422,631	41,879,000	1,994,000	2,273,280
4	Jun 4, 2024 13:28	5,289	69,099,735	41,901,000	1,995,000	2,404,352
5	Jun 4, 2024 13:28	5,289	70,120,145	42,903,000	997,000	2,400,256
6	Jun 4, 2024 13:28	5,290	66,957,695	41,915,000	1,995,000	2,273,280
7	Jun 4, 2024 13:28	5,292	65,809,136	41,926,000	1,996,000	2,273,280
8	Jun 4, 2024 13:28	5,292	66,311,992	41,927,000	1,996,000	2,273,280
9	Jun 4, 2024 13:28	5,295	66,130,499	41,951,000	1,997,000	2,404,352
10	Jun 4, 2024 13:28	5,296	68,169,629	41,962,000	1,998,000	2,400,256
11	Jun 4, 2024 13:28	5,297	66,815,210	42,963,000	999,000	2,400,256
12	Jun 4, 2024 13:28	5,298	71,854,906	41,975,000	1,998,000	2,404,352
13	Jun 4, 2024 13:28	5,298	69,723,785	42,977,000	999,000	2,273,280
14	Jun 4, 2024 13:28	5,299	67,660,600	41,984,000	1,999,000	2,392,064
15	Jun 4, 2024 13:28	5,300	65,993,338	42,987,000	999,000	2,396,160
16	Jun 4, 2024 13:28	5,300	66,556,350	41,991,000	1,999,000	2,273,280
17	Jun 4, 2024 13:28	5,303	74,203,883	44,011,000	0	2,396,160
18	Jun 4, 2024 13:28	5,304	66,325,299	42,021,000	2,001,000	2,273,280
19	Jun 4, 2024 13:28	5,304	70,550,400	42,025,000	2,001,000	2,273,280
20	Jun 4, 2024 13:28	5,305	67,965,047	42,034,000	2,001,000	2,273,280
21	Jun 4, 2024 13:28	5,305	67,287,503	42,029,000	2,001,000	2,396,160
22	Jun 4, 2024 13:28	5,306	67,873,100	42,039,000	2,001,000	2,273,280
23	Jun 4, 2024 13:28	5,306	70,988,418	42,035,000	2,001,000	2,273,280
24	Jun 4, 2024 13:28	5,306	71,984,588	42,036,000	2,001,000	2,273,280
25	Jun 4, 2024 13:28	5,307	67,597,416	42,045,000	2,002,000	2,396,160
26	Jun 4, 2024 13:28	5,307	65,026,235	42,044,000	2,002,000	2,273,280
27	Jun 4, 2024 13:28	5,308	67,017,476	42,055,000	2,002,000	2,273,280
28	Jun 4, 2024 13:28	5,308	68,611,203	42,057,000	2,002,000	2,273,280
29	Jun 4, 2024 13:28	5,311	68,554,950	42,077,000	2,003,000	2,273,280
30	Jun 4, 2024 13:28	5,313	65,847,598	43,097,000	1,002,000	2,273,280
31	Jun 4, 2024 13:28	5,313	74,338,837	42,098,000	2,004,000	2,273,280
32	Jun 4, 2024 13:28	5,315	69,731,324	43,112,000	1,002,000	2,387,968
33	Jun 4, 2024 13:28	5,315	70,759,037	43,110,000	1,002,000	2,273,280
34	Jun 4, 2024 13:28	5,317	62,360,818	43,126,000	1,002,000	2,519,040
35	Jun 4, 2024 13:28	5,322	65,720,610	43,167,000	1,003,000	2,273,280
36	Jun 4, 2024 13:28	5,336	68,092,430	43,284,000	1,006,000	2,392,064
37	Jun 4, 2024 13:28	5,407	105,887,049	44,874,436	0	2,273,280
38	Jun 4, 2024 13:28	5,410	110,264,484	44,901,326	0	2,277,376
39	Jun 4, 2024 13:28	5,417	121,353,442	44,957,325	0	2,289,664
40	Jun 4, 2024 13:28	5,420	101,122,439	44,989,761	0	2,285,568
41	Jun 4, 2024 13:28	5,422	103,961,914	45,002,958	0	2,285,568
42	Jun 4, 2024 13:28	5,422	115,222,113	45,001,095	0	2,277,376
43	Jun 4, 2024 13:28	5,428	114,257,005	45,056,213	0	2,281,472
44	Jun 4, 2024 13:28	5,429	105,400,051	45,058,281	0	2,281,472
45	Jun 4, 2024 13:28	5,429	123,932,855	45,058,556	0	2,281,472
46	Jun 4, 2024 13:28	5,429	111,221,633	45,063,742	0	2,281,472
47	Jun 4, 2024 13:28	5,432	110,988,359	45,086,164	0	2,293,760
48	Jun 4, 2024 13:28	5,468	112,113,730	45,383,551	0	2,289,664
49	Jun 4, 2024 13:28	6,297	75,203,955	50,253,000	2,010,000	2,392,064
50	Jun 4, 2024 13:28	6,301	76,456,407	51,296,000	1,005,000	2,273,280
51	Jun 4, 2024 13:28	6,306	82,829,518	50,329,000	2,013,000	2,273,280
52	Jun 4, 2024 13:28	6,317	72,278,703	52,429,000	0	2,273,280
53	Jun 4, 2024 13:28	6,320	78,411,571	51,452,000	1,008,000	2,273,280
54	Jun 4, 2024 13:28	6,349	80,701,597	51,703,000	994,000	2,273,280
55	Jun 4, 2024 13:28	6,363	82,484,727	51,821,000	996,000	2,400,256
56	Jun 4, 2024 13:28	6,363	83,028,694	51,820,000	996,000	2,400,256
57	Jun 4, 2024 13:28	6,364	86,805,899	51,827,000	996,000	2,273,280
58	Jun 4, 2024 13:28	6,385	78,294,334	50,998,000	1,999,000	2,273,280
59	Jun 4, 2024 13:28	6,392	75,294,257	52,053,000	1,001,000	2,273,280
60	Jun 4, 2024 13:28	6,397	76,052,875	52,097,000	1,001,000	2,392,064

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