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.

Back to listMay 11, 2021 19:46

Yuriy Lyfenko

Score: 19,620

Success

Source Code

Source code access is restricted. Log in to request access.

Challenge History

No challenges yet.

Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 11, 2021 19:45	19,472	187,509,397	160,617,000	1,003,000	2,387,968
2	May 11, 2021 19:45	19,473	190,447,377	159,623,000	2,007,000	2,260,992
3	May 11, 2021 19:45	19,480	193,015,318	159,692,000	1,996,000	2,392,064
4	May 11, 2021 19:45	19,486	186,865,091	160,738,000	998,000	2,260,992
5	May 11, 2021 19:45	19,488	194,333,618	161,748,000	0	2,523,136
6	May 11, 2021 19:46	19,489	195,355,307	159,759,000	1,996,000	2,260,992
7	May 11, 2021 19:45	19,489	187,913,182	160,762,000	998,000	2,260,992
8	May 11, 2021 19:45	19,489	187,205,686	157,762,000	3,993,000	2,523,136
9	May 11, 2021 19:45	19,489	188,248,714	161,759,000	0	2,387,968
10	May 11, 2021 19:49	19,490	188,977,099	160,769,000	998,000	2,260,992
11	May 11, 2021 19:46	19,490	188,218,463	159,774,000	1,997,000	2,260,992
12	May 11, 2021 19:46	19,490	193,465,074	160,771,000	998,000	2,260,992
13	May 11, 2021 19:46	19,490	191,448,636	160,765,000	998,000	2,519,040
14	May 11, 2021 19:45	19,490	191,557,635	159,768,000	1,997,000	2,260,992
15	May 11, 2021 19:45	19,491	187,063,129	158,780,000	2,995,000	2,396,160
16	May 11, 2021 19:45	19,492	187,572,217	161,785,000	0	2,392,064
17	May 11, 2021 19:46	19,492	189,088,058	159,771,000	2,009,000	2,260,992
18	May 11, 2021 19:46	19,492	192,813,668	159,789,000	1,997,000	2,260,992
19	May 11, 2021 19:46	19,493	189,538,971	159,792,000	1,997,000	2,260,992
20	May 11, 2021 19:45	19,494	186,611,963	160,806,000	998,000	2,392,064
21	May 11, 2021 19:45	19,497	190,109,464	159,825,000	1,997,000	2,396,160
22	May 11, 2021 19:45	19,499	191,414,537	158,844,000	2,997,000	2,400,256
23	May 11, 2021 19:45	19,499	185,233,534	160,843,000	999,000	2,387,968
24	May 11, 2021 19:45	19,501	188,410,404	159,861,000	1,998,000	2,260,992
25	May 11, 2021 19:45	19,503	188,680,594	159,881,000	1,998,000	2,387,968
26	May 11, 2021 19:45	19,503	186,846,654	159,876,000	1,998,000	2,260,992
27	May 11, 2021 19:45	19,504	187,075,437	158,887,000	2,997,000	2,396,160
28	May 11, 2021 19:45	19,504	188,846,169	160,885,000	999,000	2,387,968
29	May 11, 2021 19:45	19,507	189,888,760	158,914,000	2,998,000	2,260,992
30	May 11, 2021 19:45	19,507	189,216,361	159,910,000	1,998,000	2,260,992
31	May 11, 2021 19:45	19,507	189,871,687	159,907,000	1,998,000	2,396,160
32	May 11, 2021 19:49	19,507	189,800,322	158,912,000	2,998,000	2,523,136
33	May 11, 2021 19:46	19,507	186,322,881	160,907,000	999,000	2,510,848
34	May 11, 2021 19:46	19,508	190,597,184	160,919,000	999,000	2,260,992
35	May 11, 2021 19:45	19,509	195,152,612	157,927,000	3,998,000	2,260,992
36	May 11, 2021 19:45	19,509	190,374,038	159,925,000	1,999,000	2,260,992
37	May 11, 2021 19:45	19,510	193,834,311	159,937,000	1,999,000	2,260,992
38	May 11, 2021 19:49	19,511	193,785,886	160,939,000	999,000	2,387,968
39	May 11, 2021 19:45	19,514	191,049,040	159,966,000	1,999,000	2,260,992
40	May 11, 2021 19:46	19,515	185,151,135	160,974,000	999,000	2,523,136
41	May 11, 2021 19:45	19,615	190,270,005	159,806,000	2,996,000	2,392,064
42	May 11, 2021 19:45	19,620	188,310,954	160,850,000	1,998,000	2,387,968
43	May 11, 2021 19:45	19,620	195,328,306	160,845,000	1,998,000	2,387,968
44	May 11, 2021 19:45	19,620	189,142,523	161,845,000	999,000	2,523,136
45	May 11, 2021 19:49	19,620	187,556,653	160,846,000	1,998,000	2,383,872
46	May 11, 2021 19:45	19,620	192,881,110	158,853,000	3,996,000	2,260,992
47	May 11, 2021 19:46	19,620	193,112,816	160,848,000	1,998,000	2,519,040
48	May 11, 2021 19:46	19,621	190,366,128	159,855,000	2,997,000	2,260,992
49	May 11, 2021 19:46	19,621	190,715,399	160,854,000	1,998,000	2,260,992
50	May 11, 2021 19:45	19,621	189,081,173	161,857,000	999,000	2,260,992
51	May 11, 2021 19:46	19,621	196,275,991	160,858,000	1,998,000	2,260,992
52	May 11, 2021 19:46	19,622	187,230,471	161,864,000	999,000	2,260,992
53	May 11, 2021 19:45	19,622	189,603,506	159,862,000	2,997,000	2,379,776
54	May 11, 2021 19:45	19,623	190,173,641	161,871,000	999,000	2,260,992
55	May 11, 2021 19:49	19,623	188,980,654	161,868,000	999,000	2,260,992
56	May 11, 2021 19:45	19,624	196,662,896	160,879,000	1,998,000	2,392,064
57	May 11, 2021 19:46	19,624	191,870,023	160,884,000	1,998,000	2,260,992
58	May 11, 2021 19:45	19,625	188,662,544	161,891,000	999,000	2,523,136
59	May 11, 2021 19:46	19,626	190,695,952	159,896,000	2,998,000	2,400,256
60	May 11, 2021 19:46	19,627	196,433,076	159,906,000	2,998,000	2,523,136
61	May 11, 2021 19:45	19,627	189,413,802	160,907,000	1,998,000	2,260,992
62	May 11, 2021 19:45	19,628	188,317,192	160,916,000	1,998,000	2,392,064
63	May 11, 2021 19:45	19,628	191,206,285	161,914,000	999,000	2,260,992
64	May 11, 2021 19:45	19,629	188,623,992	160,921,000	1,999,000	2,260,992
65	May 11, 2021 19:46	19,630	193,038,509	159,933,000	2,998,000	2,387,968
66	May 11, 2021 19:46	19,632	191,823,540	161,943,000	999,000	2,260,992
67	May 11, 2021 19:46	19,632	186,862,500	160,947,000	1,999,000	2,519,040
68	May 11, 2021 19:45	19,634	191,114,033	160,967,000	1,999,000	2,260,992
69	May 11, 2021 19:46	19,635	188,721,662	160,969,000	1,999,000	2,260,992
70	May 11, 2021 19:46	19,636	192,093,864	161,977,000	999,000	2,260,992
71	May 11, 2021 19:45	19,637	190,686,116	160,989,000	1,999,000	2,260,992
72	May 11, 2021 19:46	19,637	190,147,301	158,989,000	3,999,000	2,260,992
73	May 11, 2021 19:45	19,637	188,627,394	160,987,000	1,999,000	2,260,992
74	May 11, 2021 19:49	19,637	194,386,694	159,991,000	2,999,000	2,260,992
75	May 11, 2021 19:45	19,638	192,040,202	161,997,000	999,000	2,260,992
76	May 11, 2021 19:49	19,638	187,305,379	160,994,000	1,999,000	2,260,992
77	May 11, 2021 19:46	19,638	190,115,884	160,997,000	1,999,000	2,392,064
78	May 11, 2021 19:45	19,639	189,910,019	160,000,000	3,000,000	2,523,136
79	May 11, 2021 19:45	19,639	190,609,146	161,001,000	2,000,000	2,260,992
80	May 11, 2021 19:45	19,639	187,182,665	161,004,000	2,000,000	2,387,968
81	May 11, 2021 19:49	19,639	193,212,095	162,001,000	1,000,000	2,396,160
82	May 11, 2021 19:45	19,639	192,690,454	159,007,000	4,000,000	2,260,992
83	May 11, 2021 19:49	19,640	187,770,627	162,008,000	1,000,000	2,260,992
84	May 11, 2021 19:46	19,640	189,752,728	159,014,000	4,000,000	2,260,992
85	May 11, 2021 19:46	19,642	193,314,705	161,026,000	2,000,000	2,260,992
86	May 11, 2021 19:45	19,642	188,426,122	161,025,000	2,000,000	2,523,136
87	May 11, 2021 19:45	19,644	188,925,604	161,049,000	2,000,000	2,260,992
88	May 11, 2021 19:45	19,647	191,794,748	161,066,000	2,000,000	2,387,968
89	May 11, 2021 19:45	19,648	189,785,586	160,099,000	2,983,000	2,387,968
90	May 11, 2021 19:45	19,649	192,718,474	159,087,000	4,002,000	2,260,992

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