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 listSep 6, 2022 18:07

Bernard Teo

Score: 7,447

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Sep 6, 2022 18:07	7,398	83,577,696	60,397,000	1,006,000	2,273,280
2	Sep 6, 2022 18:06	7,400	84,551,287	60,417,000	1,006,000	2,273,280
3	Sep 6, 2022 18:06	7,403	82,190,179	60,440,000	1,007,000	2,510,848
4	Sep 6, 2022 18:06	7,403	88,455,188	60,441,000	1,007,000	2,273,280
5	Sep 6, 2022 18:06	7,404	81,984,795	60,449,000	1,007,000	2,396,160
6	Sep 6, 2022 18:06	7,406	80,153,511	60,459,000	1,007,000	2,273,280
7	Sep 6, 2022 18:07	7,406	81,872,681	60,461,000	1,007,000	2,273,280
8	Sep 6, 2022 18:06	7,408	88,794,347	60,482,000	1,008,000	2,273,280
9	Sep 6, 2022 18:06	7,409	82,693,298	60,485,000	1,008,000	2,396,160
10	Sep 6, 2022 18:07	7,410	85,260,968	61,506,000	0	2,404,352
11	Sep 6, 2022 18:06	7,412	87,522,181	60,509,000	1,008,000	2,404,352
12	Sep 6, 2022 18:07	7,417	84,131,955	61,564,000	0	2,510,848
13	Sep 6, 2022 18:06	7,421	85,293,696	61,592,000	0	2,273,280
14	Sep 6, 2022 18:07	7,421	86,916,567	61,593,000	0	2,490,368
15	Sep 6, 2022 18:06	7,421	92,741,573	61,592,000	0	2,396,160
16	Sep 6, 2022 18:06	7,422	87,428,486	61,603,000	0	2,273,280
17	Sep 6, 2022 18:06	7,424	89,439,933	61,622,000	0	2,273,280
18	Sep 6, 2022 18:06	7,426	87,277,801	60,623,000	1,010,000	2,273,280
19	Sep 6, 2022 18:07	7,427	91,188,914	60,630,000	1,010,000	2,273,280
20	Sep 6, 2022 18:06	7,427	87,887,788	61,640,000	0	2,392,064
21	Sep 6, 2022 18:07	7,429	91,844,242	61,662,000	0	2,400,256
22	Sep 6, 2022 18:06	7,446	89,333,825	59,808,000	1,993,000	2,273,280
23	Sep 6, 2022 18:07	7,447	90,862,927	60,815,000	996,000	2,273,280
24	Sep 6, 2022 18:07	7,448	94,640,404	60,820,000	997,000	2,404,352
25	Sep 6, 2022 18:06	7,448	90,492,957	60,818,000	997,000	2,273,280
26	Sep 6, 2022 18:06	7,458	89,845,245	59,908,000	1,996,000	2,273,280
27	Sep 6, 2022 18:06	7,826	87,672,499	62,960,000	1,998,000	2,273,280
28	Sep 6, 2022 18:07	8,200	128,822,139	68,056,664	0	2,285,568
29	Sep 6, 2022 18:06	8,254	128,099,317	68,512,170	0	2,256,896
30	Sep 6, 2022 18:06	8,364	135,390,710	69,421,807	0	2,277,376
31	Sep 6, 2022 18:06	8,409	134,612,336	69,791,402	0	2,285,568
32	Sep 6, 2022 18:06	8,410	130,034,718	69,802,503	0	2,256,896
33	Sep 6, 2022 18:07	8,412	134,818,650	69,822,241	0	2,281,472
34	Sep 6, 2022 18:06	8,418	130,723,571	69,865,646	0	2,281,472
35	Sep 6, 2022 18:07	8,432	132,290,218	69,986,438	0	2,281,472
36	Sep 6, 2022 18:06	8,444	167,679,347	70,083,292	0	2,273,280
37	Sep 6, 2022 18:06	8,606	100,699,614	71,433,000	0	2,273,280
38	Sep 6, 2022 18:06	8,609	92,934,088	70,450,000	1,006,000	2,400,256
39	Sep 6, 2022 18:07	8,610	92,721,756	70,459,000	1,006,000	2,400,256
40	Sep 6, 2022 18:06	8,611	98,145,530	70,479,000	992,000	2,273,280
41	Sep 6, 2022 18:06	8,615	97,789,589	71,506,000	0	2,273,280
42	Sep 6, 2022 18:07	8,620	100,548,408	70,537,000	1,007,000	2,396,160
43	Sep 6, 2022 18:06	8,647	94,114,110	70,777,000	996,000	2,387,968
44	Sep 6, 2022 18:06	8,648	95,652,849	69,786,000	1,993,000	2,273,280
45	Sep 6, 2022 18:07	8,656	100,155,462	70,850,000	997,000	2,273,280

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