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
Jun 22, 2025 18:42	Valentin Kofman	CPPclang++18.1.3	Success	25,914
Jun 22, 2025 18:28	Valentin Kofman	CPPclang++18.1.3	Success	26,833
Jun 22, 2025 18:26	thatmagicalcat	RUSTrust-1.87.0	Success	83,867
Jun 22, 2025 17:31	Valentin Kofman	CPPg++13.3.0	Success	23,849+1.72 RP
Jun 22, 2025 17:17	valium007	CPPclang++18.1.3	Success	2,068,299+4.83 RP
Jun 22, 2025 17:16	valium007	CPPclang++18.1.3	Error
Jun 22, 2025 17:11	Valentin Kofman	CPPclang++18.1.3	Success	25,220
Jun 22, 2025 16:35	DuskyElf	CPPg++13.3.0	Error
Jun 22, 2025 16:29	Valentin Kofman	CPPclang++18.1.3	Success	23,947+13.68 RP
Jun 22, 2025 16:24	Valentin Kofman	CPPclang++18.1.3	Success	25,173
Jun 22, 2025 16:10	DuskyElf	CPPg++13.3.0	Success	2,066,698+4.84 RP
Jun 22, 2025 16:09	Valentin Kofman	CPPclang++18.1.3	Success	24,758+10.60 RP
Jun 22, 2025 16:03	Valentin Kofman	CPPclang++18.1.3	Success	25,433
Jun 22, 2025 15:58	Valentin Kofman	CPPclang++18.1.3	Success	25,425+2.29 RP
Jun 22, 2025 15:37	Valentin Kofman	CPPclang++18.1.3	Success	25,574+169.97 RP
Jun 22, 2025 15:08	thatmagicalcat	RUSTrust-1.87.0	Success	52,746
Jun 22, 2025 15:03	thatmagicalcat	RUSTrust-1.87.0	Error
Jun 22, 2025 13:48	Valentin Kofman	CPPclang++18.1.3	Success	77,019
Jun 22, 2025 13:03	thatmagicalcat	RUSTrust-1.87.0	Error
Jun 22, 2025 13:02	infiKNIGHTe	CPPg++13.3.0	Success	339,023
Jun 22, 2025 13:01	thatmagicalcat	RUSTrust-1.87.0	Error
Jun 22, 2025 13:01	infiKNIGHTe	CPPg++13.3.0	Success	487,419
Jun 22, 2025 12:35	thatmagicalcat	RUSTrust-1.87.0	Success	52,482+0.18 RP
Jun 22, 2025 10:31	Valentin Kofman	CPPclang++18.1.3	Success	45,238+3.25 RP
Jun 22, 2025 10:28	Valentin Kofman	CPPclang++18.1.3	Success	46,508
Jun 22, 2025 10:27	Valentin Kofman	CPPclang++18.1.3	Success	45,914+13.75 RP
Jun 22, 2025 09:54	Valentin Kofman	CPPclang++18.1.3	Success	60,796
Jun 22, 2025 09:51	Valentin Kofman	CPPclang++18.1.3	Success	49,009+5.58 RP
Jun 22, 2025 08:56	infiKNIGHTe	CPPg++13.3.0	Success	471,516
Jun 22, 2025 08:55	infiKNIGHTe	CPPg++13.3.0	Success	471,323
Jun 22, 2025 08:48	infiKNIGHTe	CPPg++13.3.0	Success	334,943
Jun 22, 2025 08:42	infiKNIGHTe	CPPg++13.3.0	Success	336,526
Jun 22, 2025 08:41	infiKNIGHTe	CPPg++13.3.0	Success	332,965+0.01 RP
Jun 22, 2025 08:38	infiKNIGHTe	CPPg++13.3.0	Success	333,112+30.02 RP
Jun 22, 2025 08:29	infiKNIGHTe	CPPg++13.3.0	Error
Jun 22, 2025 08:19	infiKNIGHTe	CPPg++13.3.0	Error
Jun 22, 2025 08:18	infiKNIGHTe	CPPg++13.3.0	Error
Jun 22, 2025 07:51	thatmagicalcat	RUSTrust-1.87.0	Success	70,700
Jun 21, 2025 22:39	Safronov Aleksei	CPPclang++18.1.3	Success	94,376
Jun 21, 2025 22:34	Safronov Aleksei	CPPclang++18.1.3	Success	73,445
Jun 21, 2025 22:33	Safronov Aleksei	CPPclang++18.1.3	Success	50,693
Jun 21, 2025 22:32	Safronov Aleksei	CPPclang++18.1.3	Error
Jun 21, 2025 22:32	Safronov Aleksei	CPPclang++18.1.3	Success	50,427
Jun 21, 2025 22:31	Safronov Aleksei	CPPclang++18.1.3	Success	50,474
Jun 21, 2025 22:30	Safronov Aleksei	CPPclang++18.1.3	Error
Jun 21, 2025 22:29	Safronov Aleksei	CPPclang++18.1.3	Error
Jun 21, 2025 22:28	Safronov Aleksei	CPPclang++18.1.3	Error
Jun 21, 2025 22:22	Valentin Kofman	CPPclang++18.1.3	Success	50,417
Jun 21, 2025 22:14	Valentin Kofman	CPPclang++18.1.3	Success	50,387+13.29 RP
Jun 21, 2025 22:13	Valentin Kofman	CPPclang++18.1.3	Success	54,002+0.05 RP
Jun 21, 2025 22:12	Safronov Aleksei	CPPclang++18.1.3	Success	84,635
Jun 21, 2025 22:11	Valentin Kofman	CPPg++13.3.0	Success	57,218
Jun 21, 2025 22:10	Valentin Kofman	CPPg++13.3.0	Success	54,536
Jun 21, 2025 22:10	Valentin Kofman	CPPg++13.3.0	Success	54,527
Jun 21, 2025 22:09	Valentin Kofman	CPPclang++18.1.3	Success	54,018+5.42 RP
Jun 21, 2025 22:07	Safronov Aleksei	CPPg++13.3.0	Success	52,846
Jun 21, 2025 22:07	Valentin Kofman	CPPclang++18.1.3	Success	58,338
Jun 21, 2025 22:02	Valentin Kofman	CPPg++13.3.0	Success	55,648+2.89 RP
Jun 21, 2025 22:02	Safronov Aleksei	CPPclang++18.1.3	Success	108,266
Jun 21, 2025 21:59	Valentin Kofman	CPPg++13.3.0	Success	56,684
Jun 21, 2025 21:58	Safronov Aleksei	CPPclang++18.1.3	Success	50,407+198.39 RP
Jun 21, 2025 21:57	Valentin Kofman	CPPg++13.3.0	Success	56,783
Jun 21, 2025 21:55	Valentin Kofman	CPPg++13.3.0	Success	57,472
Jun 21, 2025 21:55	Valentin Kofman	CPPg++13.3.0	Success	57,163
Jun 21, 2025 21:53	Valentin Kofman	CPPg++13.3.0	Success	57,465
Jun 21, 2025 21:52	Valentin Kofman	CPPg++13.3.0	Success	61,063
Jun 21, 2025 21:36	Valentin Kofman	CPPg++13.3.0	Success	60,279
Jun 21, 2025 21:24	Valentin Kofman	CPPg++13.3.0	Success	56,559+44.54 RP
Jun 21, 2025 20:56	Aniruddha Deb	CPPg++13.3.0	Error
Jun 21, 2025 15:33	Valentin Kofman	CPPg++13.3.0	Success	75,606+1.07 RP
Jun 21, 2025 15:33	Valentin Kofman	CPPg++13.3.0	Success	76,723
Jun 21, 2025 15:32	Valentin Kofman	CPPg++13.3.0	Error
Jun 21, 2025 15:31	Valentin Kofman	CPPg++13.3.0	Error
Jun 21, 2025 14:38	Valentin Kofman	CPPg++13.3.0	Success	76,222+104.30 RP
Jun 21, 2025 14:21	Valentin Kofman	CPPg++13.3.0	Error
Jun 21, 2025 14:10	Valentin Kofman	CPPg++13.3.0	Success	371,750+26.90 RP
Jun 19, 2025 09:18	Sherzod	GOgo1.24.4	Error
Jun 19, 2025 09:17	Sherzod	GOgo1.24.4	Success	132,980
Jun 19, 2025 09:15	Sherzod	GOgo1.24.4	Error
Jun 19, 2025 09:13	Sherzod	GOgo1.24.4	Error
Jun 19, 2025 09:11	Sherzod	GOgo1.24.4	Error
Jun 19, 2025 09:09	Sherzod	GOgo1.24.4	Success	98,807
Jun 19, 2025 09:07	Sherzod	GOgo1.24.4	Error
Jun 19, 2025 08:55	Sherzod	GOgo1.24.4	Success	99,116
Jun 19, 2025 08:52	Sherzod	GOgo1.24.4	Success	98,001+64.33 RP
Jun 19, 2025 08:36	Sherzod	GOgo1.24.4	Success	498,821
Jun 19, 2025 08:30	Sherzod	GOgo1.24.4	Success	668,033
Jun 19, 2025 08:27	Sherzod	GOgo1.24.4	Error
Jun 19, 2025 08:11	Sherzod	GOgo1.24.4	Success	557,092
Jun 19, 2025 08:07	Sherzod	GOgo1.24.4	Success	738,707
Jun 19, 2025 08:02	Sherzod	GOgo1.24.4	Error
Jun 19, 2025 08:01	Sherzod	GOgo1.24.4	Error
Jun 19, 2025 08:00	Sherzod	GOgo1.24.4	Error
Jun 19, 2025 07:56	Sherzod	GOgo1.24.4	Success	265,213+37.71 RP
Jun 18, 2025 16:24	Andy Blair	GOgo1.24.4	Success	176,401+3.25 RP
Jun 18, 2025 16:20	Andy Blair	GOgo1.24.4	Success	187,130+2.62 RP
Jun 18, 2025 16:14	Andy Blair	GOgo1.24.4	Success	196,762+28.27 RP
Jun 18, 2025 16:04	Andy Blair	GOgo1.24.4	Success	443,426+22.55 RP
Jun 18, 2025 15:53	Andy Blair	GOgo1.24.4	Error
Jun 18, 2025 15:49	Andy Blair	GOgo1.24.4	Error

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