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.

Date	Author	Language	Status	Score
Dec 6, 2025 15:10	Rajarshi Basu	CPPg++13.3.0	Success	6,339
Dec 6, 2025 15:08	Rajarshi Basu	CPPg++13.3.0	Success	6,196+18.03 RP
Dec 6, 2025 15:08	Rajarshi Basu	CPPg++13.3.0	Success	6,405
Dec 6, 2025 15:07	Rajarshi Basu	CPPg++13.3.0	Success	6,269
Dec 6, 2025 15:05	Rajarshi Basu	CPPg++13.3.0	Success	6,266+27.04 RP
Dec 6, 2025 15:04	Rajarshi Basu	CPPg++13.3.0	Success	6,374+7.35 RP
Dec 6, 2025 15:03	Rajarshi Basu	CPPg++13.3.0	Success	6,404+5.59 RP
Dec 6, 2025 15:02	Rajarshi Basu	CPPg++13.3.0	Success	6,842
Dec 6, 2025 15:02	Rajarshi Basu	CPPg++13.3.0	Success	7,132
Dec 6, 2025 15:01	Rajarshi Basu	CPPg++13.3.0	Error
Dec 6, 2025 15:00	Rajarshi Basu	CPPg++13.3.0	Success	7,756
Dec 6, 2025 14:28	Rajarshi Basu	CPPg++13.3.0	Success	6,435
Dec 6, 2025 14:17	Rajarshi Basu	CPPg++13.3.0	Error
Dec 6, 2025 14:17	Rajarshi Basu	CPPg++13.3.0	Success	6,604
Dec 6, 2025 14:16	Rajarshi Basu	CPPg++13.3.0	Success	6,868
Dec 6, 2025 14:16	Rajarshi Basu	CPPg++13.3.0	Success	6,858
Dec 6, 2025 14:15	Rajarshi Basu	CPPg++13.3.0	Success	7,550
Dec 6, 2025 14:15	Rajarshi Basu	CPPg++13.3.0	Success	6,427+13.68 RP
Dec 6, 2025 14:14	Rajarshi Basu	CPPg++13.3.0	Success	8,811
Dec 6, 2025 14:13	Rajarshi Basu	CPPg++13.3.0	Success	6,484+28.25 RP
Dec 6, 2025 12:06	Rajarshi Basu	CPPg++13.3.0	Success	6,947
Dec 6, 2025 12:04	Rajarshi Basu	CPPg++13.3.0	Success	6,961
Dec 6, 2025 12:03	Rajarshi Basu	CPPg++13.3.0	Success	6,995
Dec 6, 2025 12:03	Rajarshi Basu	CPPg++13.3.0	Success	6,939
Dec 6, 2025 12:02	Rajarshi Basu	CPPg++13.3.0	Success	6,950
Dec 6, 2025 12:02	Rajarshi Basu	CPPg++13.3.0	Success	7,126
Dec 6, 2025 11:59	Rajarshi Basu	CPPg++13.3.0	Success	6,665
Dec 6, 2025 11:53	Rajarshi Basu	CPPg++13.3.0	Success	6,640
Dec 6, 2025 11:50	Rajarshi Basu	CPPg++13.3.0	Success	7,156
Dec 6, 2025 11:45	Rajarshi Basu	CPPg++13.3.0	Success	6,605+34.93 RP
Dec 6, 2025 11:26	Rajarshi Basu	CPPg++13.3.0	Success	7,474
Dec 6, 2025 11:20	Rajarshi Basu	CPPg++13.3.0	Success	7,099
Dec 6, 2025 11:19	Rajarshi Basu	CPPg++13.3.0	Success	7,079
Dec 6, 2025 11:18	Rajarshi Basu	CPPg++13.3.0	Success	6,963
Dec 6, 2025 11:16	Rajarshi Basu	CPPg++13.3.0	Success	7,125
Dec 6, 2025 11:06	Rajarshi Basu	CPPg++13.3.0	Success	6,967
Dec 6, 2025 11:03	Rajarshi Basu	CPPg++13.3.0	Success	6,761+0.22 RP
Dec 6, 2025 11:02	Rajarshi Basu	CPPg++13.3.0	Success	6,803
Dec 6, 2025 11:01	Rajarshi Basu	CPPg++13.3.0	Success	7,881
Dec 6, 2025 10:54	Rajarshi Basu	CPPg++13.3.0	Success	7,173
Dec 6, 2025 10:53	Rajarshi Basu	CPPg++13.3.0	Success	7,457
Dec 6, 2025 10:50	Rajarshi Basu	CPPg++13.3.0	Success	6,762+12.79 RP
Dec 6, 2025 10:45	Rajarshi Basu	CPPg++13.3.0	Success	6,990
Dec 6, 2025 10:44	Rajarshi Basu	CPPg++13.3.0	Success	6,821+30.52 RP
Dec 6, 2025 10:43	Rajarshi Basu	CPPg++13.3.0	Error
Dec 6, 2025 10:42	Rajarshi Basu	CPPg++13.3.0	Success	6,966+219.89 RP
Dec 6, 2025 10:05	Rajarshi Basu	CPPg++13.3.0	Error
Dec 6, 2025 10:04	Rajarshi Basu	CPPg++13.3.0	Error
Dec 6, 2025 10:02	Rajarshi Basu	CPPg++13.3.0	Error
Dec 6, 2025 08:45	Rajarshi Basu	CPPg++13.3.0	Success	14,590
Dec 6, 2025 08:44	Rajarshi Basu	CPPg++13.3.0	Success	14,392
Dec 6, 2025 08:41	Rajarshi Basu	CPPg++13.3.0	Success	16,811
Dec 6, 2025 08:21	Rajarshi Basu	CPPg++13.3.0	Success	17,357
Dec 6, 2025 08:12	Rajarshi Basu	CPPg++13.3.0	Success	14,217
Dec 6, 2025 08:11	Rajarshi Basu	CPPg++13.3.0	Success	14,846
Dec 6, 2025 08:10	Rajarshi Basu	CPPg++13.3.0	Success	14,188
Dec 5, 2025 21:14	Rajarshi Basu	CPPg++13.3.0	Success	15,506
Dec 5, 2025 21:12	Rajarshi Basu	CPPg++13.3.0	Success	14,684
Dec 5, 2025 21:06	Rajarshi Basu	CPPg++13.3.0	Success	15,508
Dec 5, 2025 21:03	Rajarshi Basu	CPPg++13.3.0	Success	15,773
Dec 5, 2025 21:02	Rajarshi Basu	CPPg++13.3.0	Success	22,233
Dec 5, 2025 20:57	Rajarshi Basu	CPPg++13.3.0	Success	22,211
Dec 5, 2025 20:56	Rajarshi Basu	CPPg++13.3.0	Success	19,767
Dec 5, 2025 20:55	Rajarshi Basu	CPPg++13.3.0	Error
Dec 5, 2025 20:54	Rajarshi Basu	CPPg++13.3.0	Success	19,978
Dec 5, 2025 20:54	Rajarshi Basu	CPPg++13.3.0	Error
Dec 5, 2025 20:53	Rajarshi Basu	CPPg++13.3.0	Success	44,531
Dec 5, 2025 20:36	Rajarshi Basu	CPPg++13.3.0	Error
Dec 5, 2025 20:05	Rajarshi Basu	CPPg++13.3.0	Error
Dec 5, 2025 19:14	Rajarshi Basu	CPPg++13.3.0	Error
Dec 5, 2025 19:06	Rajarshi Basu	CPPg++13.3.0	Error
Dec 5, 2025 18:28	Rajarshi Basu	CPPg++13.3.0	Error
Dec 5, 2025 10:12	Alexander Ruliov	RUSTrust-1.91.1	Success	455,466+21.96 RP
Dec 5, 2025 09:03	lmaoha	CPPg++13.3.0	Success	2,065,415+4.84 RP
Dec 5, 2025 09:03	warship	CPPclang++18.1.3	Success	67,552+0.15 RP
Dec 5, 2025 08:58	warship	CPPclang++18.1.3	Success	78,954
Dec 5, 2025 08:52	warship	CPPclang++18.1.3	Success	78,854
Dec 5, 2025 08:47	warship	CPPclang++18.1.3	Success	67,622+3.76 RP
Dec 5, 2025 08:46	warship	CPPg++13.3.0	Success	75,884
Dec 5, 2025 08:39	warship	CPPg++13.3.0	Success	72,135
Dec 5, 2025 08:37	warship	CPPclang++18.1.3	Success	69,388+47.97 RP
Dec 5, 2025 08:35	warship	CPPclang++18.1.3	Error
Dec 5, 2025 08:34	warship	CPPclang++18.1.3	Error
Dec 5, 2025 08:25	warship	CPPclang++18.1.3	Success	145,554
Dec 5, 2025 07:09	Rajarshi Basu	CPPg++13.3.0	Error
Dec 5, 2025 07:03	Rajarshi Basu	CPPg++13.3.0	Success	2,433,278
Dec 5, 2025 07:01	Rajarshi Basu	CPPg++13.3.0	Error
Dec 5, 2025 07:00	Rajarshi Basu	CPPg++13.3.0	Success	837,386
Dec 5, 2025 06:58	Rajarshi Basu	CPPg++13.3.0	Success	844,879
Dec 5, 2025 06:57	Rajarshi Basu	CPPg++13.3.0	Error
Dec 5, 2025 06:56	Rajarshi Basu	CPPg++13.3.0	Error
Dec 5, 2025 06:55	Rajarshi Basu	CPPg++13.3.0	Error
Dec 5, 2025 06:16	Rajarshi Basu	CPPg++13.3.0	Success	1,089,329
Dec 5, 2025 06:15	Rajarshi Basu	CPPg++13.3.0	Error
Dec 5, 2025 03:55	warship	CPPclang++18.1.3	Success	104,010+1.95 RP
Dec 5, 2025 03:54	warship	CPPclang++18.1.3	Success	108,011
Dec 5, 2025 02:13	warship	CPPclang++18.1.3	Error
Dec 5, 2025 02:09	warship	CPPclang++18.1.3	Error
Dec 5, 2025 00:15	Dane Urban	CPPg++13.3.0	Success	395,096+20.47 RP
Dec 5, 2025 00:11	Dane Urban	CPPg++13.3.0	Success	2,066,353

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