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 listJun 30, 2021 21:32

Yuriy Lyfenko

Score: 14,177

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 30, 2021 21:23	14,135	389,564,859	116,321,000	1,002,000	2,260,992
2	Jun 30, 2021 21:32	14,136	435,103,330	117,331,984	0	2,273,280
3	Jun 30, 2021 21:32	14,144	397,029,644	117,397,000	0	2,260,992
4	Jun 30, 2021 21:23	14,145	391,627,630	117,403,000	0	2,260,992
5	Jun 30, 2021 21:32	14,148	395,512,280	117,431,000	0	2,523,136
6	Jun 30, 2021 21:32	14,148	397,649,904	116,426,000	1,003,000	2,260,992
7	Jun 30, 2021 21:23	14,152	394,829,726	116,457,000	1,003,000	2,527,232
8	Jun 30, 2021 21:32	14,152	426,737,803	117,464,290	0	2,244,608
9	Jun 30, 2021 21:23	14,152	393,455,900	116,456,000	1,003,000	2,260,992
10	Jun 30, 2021 21:23	14,157	396,928,147	117,501,000	0	2,392,064
11	Jun 30, 2021 21:32	14,160	392,507,508	117,529,000	0	2,392,064
12	Jun 30, 2021 21:32	14,160	395,660,789	117,525,000	0	2,387,968
13	Jun 30, 2021 21:32	14,162	395,691,041	117,541,000	0	2,260,992
14	Jun 30, 2021 21:23	14,164	392,296,219	116,563,000	996,000	2,392,064
15	Jun 30, 2021 21:32	14,171	441,111,732	117,615,265	0	2,244,608
16	Jun 30, 2021 21:32	14,172	397,891,525	116,632,000	996,000	2,260,992
17	Jun 30, 2021 21:32	14,177	393,402,144	115,679,000	1,994,000	2,260,992
18	Jun 30, 2021 21:32	14,177	397,216,384	116,668,000	997,000	2,260,992
19	Jun 30, 2021 21:23	14,177	397,018,810	115,678,000	1,994,000	2,265,088
20	Jun 30, 2021 21:23	14,179	396,850,745	116,688,000	997,000	2,260,992
21	Jun 30, 2021 21:23	14,203	392,828,306	115,886,000	1,998,000	2,260,992
22	Jun 30, 2021 21:32	14,230	396,309,561	117,107,000	1,000,000	2,379,776
23	Jun 30, 2021 21:32	14,237	396,035,530	117,162,000	1,001,000	2,260,992
24	Jun 30, 2021 21:32	14,238	389,582,965	117,175,000	1,001,000	2,392,064
25	Jun 30, 2021 21:32	14,238	388,214,961	118,175,000	0	2,387,968
26	Jun 30, 2021 21:32	14,240	389,402,885	117,193,000	1,001,000	2,260,992
27	Jun 30, 2021 21:32	14,240	394,609,246	117,188,000	1,001,000	2,260,992
28	Jun 30, 2021 21:32	14,241	390,689,320	117,200,000	1,001,000	2,523,136
29	Jun 30, 2021 21:32	14,251	393,212,623	117,284,000	1,002,000	2,523,136
30	Jun 30, 2021 21:32	14,260	396,043,842	117,355,000	1,003,000	2,396,160
31	Jun 30, 2021 21:23	14,507	427,934,719	120,405,787	0	2,273,280
32	Jun 30, 2021 21:32	14,528	429,263,066	120,582,620	0	2,244,608
33	Jun 30, 2021 21:32	14,529	430,871,141	120,588,756	0	2,277,376
34	Jun 30, 2021 21:23	14,533	430,893,593	120,626,848	0	2,265,088
35	Jun 30, 2021 21:32	14,541	435,418,033	120,689,243	0	2,265,088
36	Jun 30, 2021 21:23	14,550	420,774,596	120,768,045	0	2,260,992

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