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	Error
1	May 31, 2024 15:55	0	0	0	0	0	Error: expected "53682392019017330 ", got "53682392018761330 "
2	May 31, 2024 15:55	5,185	67,983,213	41,035,000	2,001,000	2,400,256
3	May 31, 2024 15:55	5,191	69,580,587	41,084,000	2,004,000	2,392,064
4	May 31, 2024 15:55	5,193	65,907,347	41,096,000	2,004,000	2,273,280
5	May 31, 2024 15:55	5,196	67,914,325	41,123,000	2,006,000	2,273,280
6	May 31, 2024 15:55	5,196	64,556,018	41,122,000	2,005,000	2,273,280
7	May 31, 2024 15:54	5,197	72,309,380	41,129,000	2,006,000	2,273,280
8	May 31, 2024 15:55	5,204	66,205,377	42,187,000	1,004,000	2,260,992
9	May 31, 2024 15:55	5,204	70,712,049	41,188,000	2,009,000	2,273,280
10	May 31, 2024 15:55	5,205	65,601,980	41,190,000	2,009,000	2,273,280
11	May 31, 2024 15:55	5,207	65,247,665	41,208,000	2,010,000	2,396,160
12	May 31, 2024 15:55	5,207	65,108,912	41,208,000	2,010,000	2,396,160
13	May 31, 2024 15:55	5,208	72,859,178	41,215,000	2,010,000	2,400,256
14	May 31, 2024 15:55	5,208	64,913,803	41,213,000	2,010,000	2,400,256
15	May 31, 2024 15:55	5,208	70,262,758	42,219,000	1,005,000	2,404,352
16	May 31, 2024 15:55	5,209	64,614,150	42,226,000	1,005,000	2,273,280
17	May 31, 2024 15:55	5,210	67,249,023	41,234,000	2,011,000	2,273,280
18	May 31, 2024 15:54	5,212	64,512,798	41,251,000	2,012,000	2,273,280
19	May 31, 2024 15:55	5,213	73,414,629	42,266,000	1,006,000	2,273,280
20	May 31, 2024 15:54	5,219	65,266,670	42,307,000	1,007,000	2,273,280
21	May 31, 2024 15:55	5,222	66,180,371	42,338,000	1,008,000	2,273,280
22	May 31, 2024 15:54	5,223	67,522,942	42,342,000	1,008,000	2,273,280
23	May 31, 2024 15:54	5,225	68,549,808	42,357,000	1,008,000	2,273,280
24	May 31, 2024 15:55	5,226	71,858,278	43,374,000	0	2,396,160
25	May 31, 2024 15:54	5,232	68,933,406	43,428,000	0	2,392,064
26	May 31, 2024 15:55	5,232	67,093,919	42,414,000	1,009,000	2,273,280
27	May 31, 2024 15:55	5,233	67,683,230	42,427,000	1,010,000	2,273,280
28	May 31, 2024 15:55	5,236	64,245,127	43,456,000	0	2,392,064
29	May 31, 2024 15:54	5,237	64,034,107	42,458,000	1,010,000	2,404,352
30	May 31, 2024 15:55	5,238	66,729,397	42,463,000	1,011,000	2,273,280
31	May 31, 2024 15:55	5,242	64,878,543	42,500,000	1,011,000	2,396,160
32	May 31, 2024 15:54	5,245	64,504,669	42,523,000	1,012,000	2,273,280
33	May 31, 2024 15:55	5,251	71,994,070	42,572,000	1,013,000	2,404,352
34	May 31, 2024 15:55	5,257	73,643,585	40,659,000	2,975,000	2,273,280
35	May 31, 2024 15:55	5,261	68,458,730	42,654,000	1,015,000	2,273,280
36	May 31, 2024 15:55	5,282	67,302,065	42,845,000	996,000	2,392,064
37	May 31, 2024 15:54	5,287	72,753,050	41,892,000	1,994,000	2,400,256
38	May 31, 2024 15:55	5,289	67,115,242	41,901,000	1,995,000	2,514,944
39	May 31, 2024 15:55	5,314	72,180,766	43,101,000	1,002,000	2,273,280
40	May 31, 2024 15:55	5,320	66,436,692	43,155,000	1,003,000	2,273,280
41	May 31, 2024 15:55	5,344	69,242,348	43,346,000	1,008,000	2,273,280
42	May 31, 2024 15:55	5,357	68,483,758	44,460,000	0	2,273,280
43	May 31, 2024 15:55	5,408	110,532,449	44,885,898	0	2,277,376
44	May 31, 2024 15:55	5,413	108,196,624	44,927,097	0	2,289,664
45	May 31, 2024 15:55	5,415	109,467,577	44,943,610	0	2,281,472
46	May 31, 2024 15:55	5,415	114,596,276	44,944,156	0	2,293,760
47	May 31, 2024 15:55	5,419	120,796,730	44,976,158	0	2,281,472
48	May 31, 2024 15:55	5,421	96,557,833	44,991,971	0	2,293,760
49	May 31, 2024 15:55	5,423	104,200,276	45,009,102	0	2,289,664
50	May 31, 2024 15:55	5,425	100,206,366	45,025,429	0	2,285,568
51	May 31, 2024 15:55	5,425	73,449,382	44,028,000	1,000,000	2,396,160
52	May 31, 2024 15:55	5,429	108,646,547	45,061,520	0	2,285,568
53	May 31, 2024 15:55	5,431	107,361,083	45,075,315	0	2,273,280
54	May 31, 2024 15:54	5,432	115,985,743	45,088,098	0	2,289,664
55	May 31, 2024 15:55	5,434	114,176,662	45,099,271	0	2,293,760
56	May 31, 2024 15:55	5,438	108,448,116	45,138,600	0	2,285,568
57	May 31, 2024 15:55	5,441	111,312,325	45,162,685	0	2,289,664
58	May 31, 2024 15:54	5,441	117,913,699	45,158,051	0	2,289,664
59	May 31, 2024 15:55	5,455	111,854,012	45,278,046	0	2,289,664
60	May 31, 2024 15:55	5,460	95,871,972	45,318,938	0	2,281,472
61	May 31, 2024 15:55	5,461	126,743,671	45,323,559	0	2,289,664
62	May 31, 2024 15:54	5,474	109,529,593	45,430,628	0	2,293,760
63	May 31, 2024 15:55	5,582	108,675,461	46,332,026	0	2,285,568
64	May 31, 2024 15:55	5,584	118,748,068	46,346,644	0	2,289,664

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