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
Oct 27, 2026 15:32	boop34	CPPg++14.2.0	Success	8,920
Oct 27, 2026 15:30	boop34	CPPclang++20.1.2	Success	9,143
Oct 26, 2026 17:40	idatsy	RUSTrust-1.95.0	Success	37,716
Oct 26, 2026 15:01	Magdalena Bartczak	CPPg++14.2.0	Success	523,973
Oct 26, 2026 14:58	Magdalena Bartczak	CPPclang++20.1.2	Success	521,234
Oct 26, 2026 14:49	Magdalena Bartczak	CPPg++10.5.0	Success	88,960+112.41 RP
Oct 25, 2026 18:00	timothygk	CPPclang++20.1.2	Success	15,434
Oct 25, 2026 15:59	timothygk	CPPclang++20.1.2	Success	8,508+1.52 RP
Oct 25, 2026 12:28	timothygk	CPPclang++20.1.2	Success	9,730
Oct 25, 2026 11:54	timothygk	CPPclang++20.1.2	Success	8,540
Oct 25, 2026 11:46	timothygk	CPPclang++20.1.2	Success	8,717
Oct 25, 2026 11:34	timothygk	CPPclang++20.1.2	Success	8,913
Oct 25, 2026 11:32	timothygk	CPPclang++20.1.2	Success	10,007
Oct 25, 2026 10:05	timothygk	CPPclang++20.1.2	Success	8,733
Oct 25, 2026 10:00	timothygk	CPPclang++20.1.2	Success	9,913
Oct 24, 2026 19:14	timothygk	CPPclang++20.1.2	Error
Oct 24, 2026 19:12	timothygk	CPPclang++20.1.2	Error
Oct 24, 2026 17:06	timothygk	CPPclang++20.1.2	Success	9,596
Oct 24, 2026 16:53	timothygk	CPPclang++20.1.2	Error
Oct 24, 2026 16:03	timothygk	CPPclang++20.1.2	Success	9,159
Oct 24, 2026 15:45	timothygk	CPPclang++20.1.2	Success	8,571
Oct 24, 2026 15:32	timothygk	CPPclang++20.1.2	Error	+93.58 RP
Oct 24, 2026 15:25	timothygk	CPPclang++20.1.2	Success	12,233
Oct 24, 2026 14:29	timothygk	CPPclang++20.1.2	Success	9,305
Oct 24, 2026 11:23	Nao Minami	CPPclang++20.1.2	Success	21,113
Oct 24, 2026 08:18	Nao Minami	CPPclang++20.1.2	Error	+24.96 RP
Oct 24, 2026 07:45	Nao Minami	CPPclang++20.1.2	Success	14,199+157.20 RP
Oct 24, 2026 06:16	Nao Minami	CPPclang++20.1.2	Success	18,279+0.51 RP
Oct 24, 2026 05:25	timothygk	CPPclang++20.1.2	Error
Oct 24, 2026 05:15	timothygk	CPPclang++20.1.2	Error	+53.25 RP
Oct 24, 2026 05:10	timothygk	CPPclang++20.1.2	Error	+220.56 RP
Oct 24, 2026 04:58	Nao Minami	CPPclang++20.1.2	Success	18,296+219.52 RP
Oct 24, 2026 04:27	Nao Minami	CPPclang++20.1.2	Success	30,577+1.59 RP
Oct 24, 2026 04:19	Nao Minami	CPPclang++20.1.2	Success	30,726+15.83 RP
Oct 24, 2026 04:10	Nao Minami	CPPclang++20.1.2	Success	32,297+0.01 RP
Oct 24, 2026 04:08	Nao Minami	CPPclang++20.1.2	Success	32,301
Oct 24, 2026 04:04	Nao Minami	CPPclang++20.1.2	Success	32,298+0.42 RP
Oct 24, 2026 04:04	Nao Minami	CPPg++10.5.0	Success	47,863
Oct 24, 2026 04:02	Nao Minami	CPPg++10.5.0	Success	55,287
Oct 24, 2026 04:00	Nao Minami	CPPclang++20.1.2	Success	32,342+52.19 RP
Oct 24, 2026 03:35	Nao Minami	CPPg++10.5.0	Success	90,406
Oct 23, 2026 10:58	C21	CPPclang++20.1.2	Success	11,575+56.12 RP
Oct 23, 2026 09:25	Wang	CPPg++10.5.0	Success	56,195+65.63 RP
Oct 23, 2026 09:01	Wang	CPPg++10.5.0	Success	89,033+117.32 RP
Oct 23, 2026 04:20	timothygk	CPPg++12.4.0	Success	13,578
Oct 23, 2026 04:18	timothygk	CPPclang++20.1.2	Success	12,401
Oct 23, 2026 03:58	timothygk	CPPclang++20.1.2	Success	12,483
Oct 23, 2026 03:57	timothygk	CPPclang++20.1.2	Error	+58.84 RP
Oct 22, 2026 18:31	timothygk	CPPclang++20.1.2	Error	+82.10 RP
Oct 22, 2026 18:18	timothygk	CPPclang++20.1.2	Success	15,789
Oct 22, 2026 17:36	timothygk	CPPclang++20.1.2	Success	15,805
Oct 22, 2026 16:54	timothygk	CPPclang++20.1.2	Success	16,154
Oct 22, 2026 16:53	timothygk	CPPclang++20.1.2	Success	15,474
Oct 22, 2026 16:27	timothygk	CPPg++14.2.0	Success	16,356
Oct 22, 2026 16:25	timothygk	CPPg++14.2.0	Success	16,821
Oct 22, 2026 16:24	timothygk	CPPg++14.2.0	Success	42,691
Oct 22, 2026 16:18	timothygk	CPPg++14.2.0	Success	19,014
Oct 22, 2026 16:16	timothygk	CPPg++14.2.0	Error
Oct 22, 2026 16:03	timothygk	CPPg++14.2.0	Error
Oct 22, 2026 16:01	timothygk	CPPg++14.2.0	Success	19,012
Oct 22, 2026 15:49	timothygk	CPPg++14.2.0	Success	21,553
Oct 22, 2026 15:45	timothygk	CPPg++14.2.0	Success	23,076
Oct 22, 2026 15:38	timothygk	CPPg++14.2.0	Success	22,233
Oct 22, 2026 15:34	timothygk	CPPg++14.2.0	Success	24,432
Oct 22, 2026 00:40	timothygk	CPPg++14.2.0	Error	+62.76 RP
Oct 22, 2026 00:38	timothygk	CPPg++14.2.0	Error	+295.99 RP
Oct 21, 2026 17:38	timothygk	CPPg++14.2.0	Success	40,886
Oct 21, 2026 14:25	Maksim Nikitin	CPPg++10.5.0	Success	89,040+112.31 RP
Oct 21, 2026 00:02	Nao Minami	RUSTrust-1.95.0	Success	38,910+31.38 RP
Oct 20, 2026 23:15	Nao Minami	RUSTrust-1.95.0	Success	44,322+68.35 RP
Oct 20, 2026 16:29	Nao Minami	RUSTrust-1.95.0	Success	63,584+2.21 RP
Oct 20, 2026 16:08	Nao Minami	RUSTrust-1.95.0	Success	64,489+129.42 RP
Oct 20, 2026 15:53	Nao Minami	RUSTrust-1.95.0	Success	389,871+25.65 RP
Oct 20, 2026 14:54	Anchen0823	CPPg++10.5.0	Success	42,985+47.54 RP
Oct 20, 2026 14:46	Anchen0823	CPPg++10.5.0	Success	54,024+14.11 RP
Oct 20, 2026 14:33	Anchen0823	CPPg++10.5.0	Success	58,481+171.00 RP
Oct 20, 2026 11:11	timothygk	CPPg++14.2.0	Success	48,110
Oct 20, 2026 10:52	timothygk	CPPg++14.2.0	Success	62,042
Oct 19, 2026 19:22	Daniel	RUSTrust-1.99.1	Success	6,159+193.43 RP
Oct 19, 2026 18:31	Daniel	RUSTrust-1.99.1	Success	6,992+272.26 RP
Oct 19, 2026 17:23	Daniel	RUSTrust-1.99.1	Success	8,636+485.90 RP
Oct 19, 2026 17:04	Daniel	RUSTrust-1.99.1	Success	14,880+412.13 RP
Oct 19, 2026 16:39	Daniel	RUSTrust-1.99.1	Success	51,540
Oct 18, 2026 09:31	Kacpxer	CPPg++10.5.0	Success	6,460
Oct 18, 2026 09:31	Kacpxer	CPPclang++20.1.2	Success	5,301
Oct 18, 2026 09:30	Kacpxer	CPPg++14.2.0	Success	5,521
Oct 18, 2026 09:30	Kacpxer	CPPg++10.5.0	Success	5,329
Oct 17, 2026 18:25	timothygk	CPPg++14.2.0	Success	32,075+14.62 RP
Oct 17, 2026 17:23	timothygk	CPPg++14.2.0	Success	36,307
Oct 17, 2026 16:27	timothygk	CPPg++14.2.0	Success	38,240
Oct 17, 2026 16:27	timothygk	CPPg++10.5.0	Success	35,537
Oct 17, 2026 15:49	timothygk	CPPg++10.5.0	Error
Oct 17, 2026 13:55	timothygk	CPPg++14.2.0	Success	38,208
Oct 17, 2026 12:45	timothygk	CPPg++14.2.0	Success	40,550
Oct 17, 2026 12:42	timothygk	CPPg++10.5.0	Success	39,552
Oct 17, 2026 12:41	timothygk	CPPg++14.2.0	Success	40,981
Oct 17, 2026 12:22	timothygk	CPPg++14.2.0	Success	44,596
Oct 17, 2026 12:18	timothygk	CPPg++14.2.0	Success	34,576
Oct 17, 2026 12:16	timothygk	CPPg++14.2.0	Success	43,279
Oct 17, 2026 09:52	Kacpxer	CPPclang++20.1.2	Success	5,119+219.80 RP

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