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	1:20.1.2-0ubuntu1~24.04.3	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	3.0.13-0ubuntu3.11	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.

Date	Author	Language	Status	Score
Sep 6, 2026 03:31	CheckHarry	CPPg++14.2.0	Success	3,904
Sep 6, 2026 03:31	CheckHarry	CPPg++14.2.0	Success	3,971
Sep 6, 2026 03:14	CheckHarry	CPPg++14.2.0	Success	3,845
Sep 6, 2026 03:14	CheckHarry	CPPg++14.2.0	Success	6,321
Sep 6, 2026 03:14	CheckHarry	CPPg++14.2.0	Success	7,050
Sep 6, 2026 03:14	CheckHarry	CPPg++14.2.0	Success	7,043
Sep 6, 2026 03:14	CheckHarry	CPPg++14.2.0	Success	7,046
Sep 6, 2026 03:14	CheckHarry	CPPg++14.2.0	Success	7,042
Sep 6, 2026 03:08	CheckHarry	CPPclang++18.1.3	Success	3,930
Sep 6, 2026 03:08	CheckHarry	CPPg++14.2.0	Success	3,848
Sep 6, 2026 03:08	CheckHarry	CPPg++14.2.0	Success	4,127
Sep 6, 2026 03:07	CheckHarry	CPPg++14.2.0	Success	4,008
Sep 6, 2026 03:07	CheckHarry	CPPg++14.2.0	Success	3,955
Sep 6, 2026 03:07	CheckHarry	CPPg++14.2.0	Success	3,860
Sep 6, 2026 03:05	CheckHarry	CPPg++14.2.0	Success	3,890
Sep 6, 2026 03:05	CheckHarry	CPPg++14.2.0	Success	3,849
Sep 6, 2026 03:04	CheckHarry	CPPg++14.2.0	Success	4,183
Sep 6, 2026 03:04	CheckHarry	CPPg++14.2.0	Success	3,834+4.08 RP
Sep 6, 2026 03:04	CheckHarry	CPPg++14.2.0	Success	3,840+13.49 RP
Sep 6, 2026 03:04	CheckHarry	CPPg++14.2.0	Success	3,860+27.23 RP
Sep 6, 2026 03:00	CheckHarry	CPPg++14.2.0	Success	4,086
Sep 6, 2026 03:00	CheckHarry	CPPg++14.2.0	Success	3,901+20.21 RP
Sep 6, 2026 03:00	CheckHarry	CPPg++14.2.0	Success	3,984
Sep 6, 2026 03:00	CheckHarry	CPPg++14.2.0	Success	3,932+51.33 RP
Sep 6, 2026 02:59	CheckHarry	CPPg++14.2.0	Success	4,013+49.30 RP
Sep 6, 2026 02:51	CheckHarry	CPPg++14.2.0	Success	4,212
Sep 6, 2026 02:51	CheckHarry	CPPg++14.2.0	Success	4,215
Sep 6, 2026 02:51	CheckHarry	CPPg++14.2.0	Success	6,097
Sep 6, 2026 02:51	CheckHarry	CPPg++14.2.0	Success	4,094+8.92 RP
Sep 6, 2026 02:51	CheckHarry	CPPg++14.2.0	Success	4,140
Sep 6, 2026 02:51	CheckHarry	CPPg++14.2.0	Success	4,137
Sep 6, 2026 02:51	CheckHarry	CPPg++14.2.0	Success	4,109+55.00 RP
Sep 6, 2026 02:36	CheckHarry	CPPg++14.2.0	Success	4,219
Sep 6, 2026 02:36	CheckHarry	CPPg++14.2.0	Success	4,249
Sep 6, 2026 02:36	CheckHarry	CPPg++14.2.0	Success	4,672
Sep 6, 2026 02:36	CheckHarry	CPPg++14.2.0	Success	4,244
Sep 6, 2026 02:36	CheckHarry	CPPg++14.2.0	Success	4,221
Sep 6, 2026 02:36	CheckHarry	CPPg++14.2.0	Success	4,333
Sep 6, 2026 02:27	CheckHarry	CPPg++14.2.0	Success	4,276
Sep 6, 2026 02:27	CheckHarry	CPPg++14.2.0	Success	4,313
Sep 6, 2026 02:27	CheckHarry	CPPg++14.2.0	Success	4,204+5.64 RP
Sep 6, 2026 02:27	CheckHarry	CPPg++14.2.0	Success	4,544
Sep 6, 2026 02:27	CheckHarry	CPPg++14.2.0	Success	4,776
Sep 6, 2026 02:27	CheckHarry	CPPg++14.2.0	Success	4,403
Sep 6, 2026 02:27	CheckHarry	CPPg++14.2.0	Success	4,471
Sep 6, 2026 02:27	CheckHarry	CPPg++14.2.0	Success	4,371
Sep 5, 2026 23:44	GhostBYte	CPPg++10.5.0	Success	89,066+112.28 RP
Sep 5, 2026 23:15	Kevin Heavey	CPPg++14.2.0	Success	4,951
Sep 5, 2026 22:55	Kevin Heavey	CPPg++14.2.0	Success	5,260
Sep 5, 2026 17:56	CheckHarry	CPPg++14.2.0	Success	4,634
Sep 5, 2026 17:56	CheckHarry	CPPg++14.2.0	Success	4,407
Sep 5, 2026 17:56	CheckHarry	CPPg++14.2.0	Success	4,327
Sep 5, 2026 17:56	CheckHarry	CPPg++14.2.0	Success	4,255
Sep 5, 2026 17:40	CheckHarry	CPPg++14.2.0	Success	4,260
Sep 5, 2026 17:28	CheckHarry	CPPg++10.5.0	Success	4,298
Sep 5, 2026 17:16	CheckHarry	CPPg++14.2.0	Success	4,214+18.99 RP
Sep 5, 2026 16:26	Victor Mercklé	ZIG0.16.0	Error
Sep 5, 2026 16:20	Victor Mercklé	ZIG0.16.0	Error
Sep 5, 2026 13:43	wn	CPPg++14.2.0	Success	3,345
Sep 5, 2026 13:36	wn	CPPg++14.2.0	Success	3,505
Sep 5, 2026 13:35	wn	CPPg++14.2.0	Success	3,652
Sep 5, 2026 13:26	wn	CPPg++14.2.0	Success	3,587
Sep 5, 2026 13:25	wn	CPPg++14.2.0	Success	3,439
Sep 5, 2026 13:24	wn	CPPg++14.2.0	Success	3,579
Sep 5, 2026 13:18	wn	CPPg++14.2.0	Success	3,632
Sep 5, 2026 13:17	wn	CPPg++14.2.0	Success	3,574
Sep 5, 2026 13:16	wn	CPPg++14.2.0	Success	3,506
Sep 5, 2026 13:16	wn	CPPg++14.2.0	Success	3,375
Sep 5, 2026 13:14	wn	CPPg++14.2.0	Success	3,314
Sep 5, 2026 13:12	wn	CPPg++14.2.0	Success	3,441
Sep 5, 2026 13:08	wn	CPPg++14.2.0	Success	3,307
Sep 5, 2026 13:06	wn	CPPg++14.2.0	Success	3,591
Sep 5, 2026 13:06	wn	CPPg++14.2.0	Success	3,664
Sep 5, 2026 13:04	wn	CPPg++14.2.0	Success	3,531
Sep 5, 2026 13:03	wn	CPPg++14.2.0	Success	3,638
Sep 5, 2026 13:01	wn	CPPg++14.2.0	Success	3,479
Sep 5, 2026 13:00	wn	CPPg++14.2.0	Success	3,453
Sep 5, 2026 12:59	wn	CPPg++14.2.0	Success	3,302
Sep 5, 2026 12:58	wn	CPPclang++18.1.3	Success	4,167
Sep 5, 2026 12:57	wn	CPPg++14.2.0	Success	3,337
Sep 5, 2026 12:55	wn	CPPg++14.2.0	Success	3,338
Sep 5, 2026 12:54	wn	CPPg++14.2.0	Success	3,466
Sep 5, 2026 12:53	wn	CPPg++14.2.0	Success	3,468
Sep 5, 2026 12:50	wn	CPPg++14.2.0	Success	3,306
Sep 5, 2026 12:49	wn	CPPg++14.2.0	Success	3,301
Sep 5, 2026 12:47	wn	CPPg++14.2.0	Success	3,446
Sep 5, 2026 12:45	wn	CPPg++14.2.0	Success	3,363
Sep 5, 2026 09:42	Kevin Heavey	RUSTrust-1.95.0	Success	3,559+64.79 RP
Sep 5, 2026 09:36	Kevin Heavey	RUSTrust-1.95.0	Success	3,698
Sep 5, 2026 09:27	Kevin Heavey	RUSTrust-1.95.0	Success	3,857
Sep 5, 2026 09:17	Kevin Heavey	RUSTrust-1.95.0	Success	3,871
Sep 4, 2026 10:01	Victor Mercklé	CPPg++14.2.0	Success	3,659
Sep 4, 2026 09:09	Victor Mercklé	CPPg++14.2.0	Success	3,660
Sep 4, 2026 08:30	Victor Mercklé	CPPg++14.2.0	Success	3,667
Sep 4, 2026 08:18	Victor Mercklé	CPPg++14.2.0	Success	3,645
Sep 4, 2026 07:59	Victor Mercklé	CPPg++14.2.0	Success	3,658
Sep 4, 2026 07:43	Victor Mercklé	CPPg++14.2.0	Success	3,678
Sep 4, 2026 07:05	Victor Mercklé	CPPg++14.2.0	Success	3,699
Sep 3, 2026 23:25	Victor Mercklé	CPPg++14.2.0	Success	7,600
Sep 3, 2026 22:54	Victor Mercklé	CPPg++14.2.0	Success	3,921

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