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
May 20, 2026 05:57	M-Rochat	CPPclang++17.0.6	Success	11,809+0.36 RP
May 20, 2026 05:56	M-Rochat	CPPclang++17.0.6	Success	11,861
May 20, 2026 05:55	M-Rochat	CPPclang++17.0.6	Success	12,215
May 20, 2026 05:55	M-Rochat	CPPclang++17.0.6	Success	12,014
May 20, 2026 05:55	M-Rochat	CPPclang++17.0.6	Success	11,814+28.12 RP
May 20, 2026 05:54	M-Rochat	CPPclang++17.0.6	Success	14,524
May 20, 2026 05:53	M-Rochat	CPPclang++17.0.6	Success	12,220+16.28 RP
May 20, 2026 05:53	M-Rochat	CPPclang++17.0.6	Success	14,172
May 20, 2026 05:51	M-Rochat	CPPclang++17.0.6	Success	12,489
May 20, 2026 05:49	M-Rochat	CPPclang++17.0.6	Success	12,549
May 20, 2026 05:49	M-Rochat	CPPclang++17.0.6	Success	12,487
May 20, 2026 05:48	M-Rochat	CPPclang++17.0.6	Success	12,468
May 20, 2026 05:48	M-Rochat	CPPclang++17.0.6	Success	12,490
May 20, 2026 05:46	M-Rochat	CPPclang++17.0.6	Success	12,468+0.06 RP
May 20, 2026 05:46	M-Rochat	CPPclang++17.0.6	Success	12,496
May 20, 2026 05:45	M-Rochat	CPPclang++17.0.6	Success	12,496
May 20, 2026 05:45	M-Rochat	CPPclang++17.0.6	Success	12,469+0.51 RP
May 20, 2026 05:44	M-Rochat	CPPclang++17.0.6	Success	12,609
May 20, 2026 05:43	M-Rochat	CPPclang++17.0.6	Success	12,485
May 20, 2026 05:43	M-Rochat	CPPclang++17.0.6	Success	12,488
May 20, 2026 05:43	M-Rochat	CPPclang++17.0.6	Success	12,487
May 20, 2026 05:42	M-Rochat	CPPclang++17.0.6	Success	12,530
May 20, 2026 05:42	M-Rochat	CPPclang++17.0.6	Success	12,522
May 20, 2026 05:41	M-Rochat	CPPclang++17.0.6	Success	12,570
May 20, 2026 05:40	M-Rochat	CPPclang++17.0.6	Success	12,477+4.60 RP
May 20, 2026 05:39	M-Rochat	CPPclang++17.0.6	Success	12,749
May 20, 2026 05:39	M-Rochat	CPPclang++17.0.6	Success	12,610
May 20, 2026 05:38	M-Rochat	CPPclang++17.0.6	Success	13,299
May 20, 2026 05:38	M-Rochat	CPPclang++17.0.6	Success	13,463
May 20, 2026 05:38	M-Rochat	CPPclang++17.0.6	Success	13,310
May 20, 2026 05:36	M-Rochat	CPPclang++17.0.6	Success	12,560
May 20, 2026 05:36	M-Rochat	CPPclang++17.0.6	Success	12,621
May 20, 2026 05:35	M-Rochat	CPPclang++17.0.6	Success	12,574
May 20, 2026 05:35	M-Rochat	CPPclang++17.0.6	Error
May 20, 2026 05:34	M-Rochat	CPPclang++17.0.6	Success	12,614
May 20, 2026 05:34	M-Rochat	CPPclang++17.0.6	Success	12,571
May 20, 2026 05:33	M-Rochat	CPPclang++17.0.6	Success	13,448
May 20, 2026 05:33	M-Rochat	CPPclang++17.0.6	Success	39,438
May 20, 2026 05:32	M-Rochat	CPPclang++17.0.6	Success	13,758
May 20, 2026 05:32	M-Rochat	CPPclang++17.0.6	Success	12,549+6.49 RP
May 20, 2026 05:31	M-Rochat	CPPg++13.3.0	Success	15,582
May 20, 2026 05:29	M-Rochat	CPPclang++17.0.6	Success	14,109
May 20, 2026 05:28	M-Rochat	CPPclang++17.0.6	Success	15,662
May 20, 2026 05:26	M-Rochat	CPPclang++17.0.6	Success	12,806
May 20, 2026 05:19	M-Rochat	CSHARP9.0.15	Success	63,559
May 20, 2026 05:14	M-Rochat	CPPg++13.3.0	Success	30,693
May 20, 2026 05:04	M-Rochat	ZIG0.15.1	Success	68,287
May 20, 2026 05:04	M-Rochat	ZIG0.15.1	Success	48,392
May 20, 2026 04:48	M-Rochat	CSHARP9.0.15	Success	58,397
May 20, 2026 04:47	M-Rochat	CSHARP9.0.15	Success	59,844
May 20, 2026 03:42	M-Rochat	GOgo1.26.2	Success	78,918
May 20, 2026 03:42	M-Rochat	GOgo1.26.2	Success	61,211
May 20, 2026 02:16	Maya Rebholz	CPPg++10.5.0	Success	14,286+13.03 RP
May 20, 2026 01:33	avoidcatenjoyers	CPPclang++20.1.2	Success	111,972
May 20, 2026 01:27	avoidcatenjoyers	CPPg++10.5.0	Success	103,205
May 20, 2026 00:39	avoidcatenjoyers	CPPclang++20.1.2	Success	122,412
May 20, 2026 00:32	Maya Rebholz	CPPg++10.5.0	Success	14,557+0.61 RP
May 20, 2026 00:28	Maya Rebholz	CPPg++10.5.0	Success	14,570+58.20 RP
May 20, 2026 00:16	Maya Rebholz	CPPg++10.5.0	Success	15,920+2.91 RP
May 20, 2026 00:09	Maya Rebholz	CPPg++10.5.0	Success	15,994+182.68 RP
May 20, 2026 00:03	avoidcatenjoyers	CPPg++10.5.0	Error
May 19, 2026 22:46	Pavel Krajcevski	CPPg++10.5.0	Success	89,157
May 19, 2026 22:42	Pavel Krajcevski	CPPg++10.5.0	Error
May 19, 2026 22:23	M-Rochat	RUSTrust-1.95.0	Success	50,122
May 19, 2026 22:23	M-Rochat	RUSTrust-1.95.0	Success	30,321
May 19, 2026 22:04	M-Rochat	CPPg++13.3.0	Success	40,830
May 19, 2026 22:04	M-Rochat	CPPg++13.3.0	Success	37,142
May 19, 2026 21:52	M-Rochat	CPPg++13.3.0	Success	63,433
May 19, 2026 21:17	Pavel Krajcevski	CPPg++10.5.0	Success	88,983+5.00 RP
May 19, 2026 19:49	Maya Rebholz	CPPg++10.5.0	Success	22,596+330.24 RP
May 19, 2026 17:00	Victor Mercklé	CPPg++14.2.0	Success	6,763
May 19, 2026 16:45	Victor Mercklé	CPPg++14.2.0	Success	8,246
May 19, 2026 16:31	Victor Mercklé	CPPg++14.2.0	Error
May 19, 2026 16:24	Milo Presedo	CPPg++13.3.0	Error
May 19, 2026 16:23	Milo Presedo	CPPg++13.3.0	Success	8,004
May 19, 2026 16:21	Milo Presedo	CPPg++13.3.0	Success	8,002
May 19, 2026 16:19	Milo Presedo	CPPg++13.3.0	Success	8,005
May 19, 2026 16:19	Victor Mercklé	CPPg++14.2.0	Success	6,936
May 19, 2026 16:13	Milo Presedo	CPPg++13.3.0	Success	8,001
May 19, 2026 16:04	Victor Mercklé	CPPg++14.2.0	Success	6,186
May 19, 2026 16:04	Milo Presedo	CPPg++13.3.0	Success	8,176+5.00 RP
May 19, 2026 15:46	Victor Mercklé	CPPg++14.2.0	Success	5,993
May 19, 2026 15:31	Victor Mercklé	CPPg++14.2.0	Success	6,080
May 19, 2026 15:15	Victor Mercklé	CPPg++14.2.0	Success	24,727
May 19, 2026 15:10	Victor Mercklé	CPPg++14.2.0	Success	40,683
May 19, 2026 14:57	Victor Mercklé	CPPg++14.2.0	Success	5,931
May 19, 2026 14:43	Victor Mercklé	CPPg++14.2.0	Success	8,279
May 19, 2026 14:34	Victor Mercklé	CPPg++14.2.0	Success	167,062
May 19, 2026 14:29	Victor Mercklé	CPPg++14.2.0	Success	5,757+32.57 RP
May 19, 2026 14:24	Victor Mercklé	CPPg++14.2.0	Success	6,039
May 19, 2026 14:18	Victor Mercklé	CPPg++14.2.0	Success	6,040
May 19, 2026 14:18	M-Rochat	GOgo1.26.2	Success	82,166+5.00 RP
May 19, 2026 14:13	Victor Mercklé	CPPg++14.2.0	Success	6,189
May 19, 2026 14:07	Victor Mercklé	CPPg++14.2.0	Success	6,016
May 19, 2026 14:02	Victor Mercklé	CPPg++14.2.0	Success	6,203
May 19, 2026 13:51	Victor Mercklé	CPPg++14.2.0	Success	5,893
May 19, 2026 13:44	Victor Mercklé	CPPg++14.2.0	Success	5,890
May 19, 2026 13:29	Victor Mercklé	CPPg++14.2.0	Success	5,888
May 19, 2026 13:14	Victor Mercklé	CPPg++14.2.0	Success	5,998
May 19, 2026 13:09	Victor Mercklé	CPPg++14.2.0	Success	5,867+27.16 RP

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