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
Aug 24, 2025 21:28	Adam Folwarczny	CPPg++13.3.0	Error
Aug 24, 2025 17:36	Prajeeths18	CPPg++13.3.0	Success	1,988,378+5.03 RP
Aug 24, 2025 17:08	Adam Folwarczny	CPPclang++18.1.3	Success	19,121
Aug 24, 2025 17:06	Adam Folwarczny	CPPclang++18.1.3	Success	19,215
Aug 24, 2025 16:36	Adam Folwarczny	CPPg++13.3.0	Success	29,689
Aug 24, 2025 16:33	Adam Folwarczny	CPPclang++18.1.3	Success	19,040
Aug 24, 2025 16:17	Adam Folwarczny	CPPclang++18.1.3	Success	22,468
Aug 24, 2025 12:58	Adam Folwarczny	CPPclang++18.1.3	Error
Aug 24, 2025 12:46	Adam Folwarczny	CPPclang++18.1.3	Error
Aug 24, 2025 12:04	Adam Folwarczny	CPPclang++18.1.3	Error
Aug 24, 2025 09:41	AnSa	CPPclang++18.1.3	Error
Aug 24, 2025 09:40	AnSa	CPPg++13.3.0	Success	64,706
Aug 23, 2025 09:05	Adam Folwarczny	CPPclang++18.1.3	Success	17,653
Aug 22, 2025 22:21	Ashish Ahuja	CPPg++13.3.0	Success	11,525
Aug 22, 2025 22:18	Ashish Ahuja	CPPg++13.3.0	Success	11,413
Aug 22, 2025 22:17	Ashish Ahuja	CPPg++13.3.0	Success	11,417
Aug 22, 2025 22:16	Gjorgji Kjosev	RUSTrust-1.89.0	Success	58,568+47.87 RP
Aug 22, 2025 22:15	Ashish Ahuja	CPPg++13.3.0	Success	11,287
Aug 22, 2025 22:13	Gjorgji Kjosev	RUSTrust-1.89.0	Error
Aug 22, 2025 22:07	Gjorgji Kjosev	RUSTrust-1.89.0	Success	99,685
Aug 22, 2025 21:36	Adam Folwarczny	CPPclang++18.1.3	Success	17,077+0.07 RP
Aug 22, 2025 21:36	Adam Folwarczny	CPPclang++18.1.3	Success	17,079+0.72 RP
Aug 22, 2025 21:28	Ashish Ahuja	CPPg++13.3.0	Success	11,950
Aug 22, 2025 21:27	Ashish Ahuja	CPPg++13.3.0	Success	12,203
Aug 22, 2025 21:23	Gjorgji Kjosev	RUSTrust-1.89.0	Success	163,785
Aug 22, 2025 21:20	Ashish Ahuja	CPPg++13.3.0	Success	12,434
Aug 22, 2025 21:18	Adam Folwarczny	CPPg++13.3.0	Success	19,806
Aug 22, 2025 21:15	Adam Folwarczny	CPPclang++18.1.3	Success	17,100+1.74 RP
Aug 22, 2025 21:11	Adam Folwarczny	CPPclang++18.1.3	Success	17,158
Aug 22, 2025 21:11	Adam Folwarczny	CPPclang++18.1.3	Success	18,188
Aug 22, 2025 21:10	Adam Folwarczny	CPPclang++18.1.3	Success	18,187
Aug 22, 2025 21:05	Adam Folwarczny	CPPclang++18.1.3	Success	18,187
Aug 22, 2025 21:05	Adam Folwarczny	CPPg++13.3.0	Success	19,170
Aug 22, 2025 20:58	Adam Folwarczny	CPPg++13.3.0	Success	18,788
Aug 22, 2025 20:57	Adam Folwarczny	CPPclang++18.1.3	Success	17,151+6.32 RP
Aug 22, 2025 20:50	Adam Folwarczny	CPPclang++18.1.3	Error
Aug 22, 2025 20:47	Adam Folwarczny	CPPclang++18.1.3	Error
Aug 22, 2025 20:40	Adam Folwarczny	CPPclang++18.1.3	Error
Aug 22, 2025 20:40	Adam Folwarczny	CPPclang++18.1.3	Success	18,806
Aug 22, 2025 20:36	Adam Folwarczny	CPPclang++18.1.3	Success	19,038
Aug 22, 2025 20:35	Adam Folwarczny	CPPclang++18.1.3	Success	19,035
Aug 22, 2025 20:34	Ashish Ahuja	CPPg++13.3.0	Success	11,756
Aug 22, 2025 20:22	Adam Folwarczny	CPPclang++18.1.3	Success	64,428
Aug 22, 2025 14:52	Gjorgji Kjosev	RUSTrust-1.89.0	Success	81,389+2.05 RP
Aug 22, 2025 14:45	Gjorgji Kjosev	RUSTrust-1.89.0	Success	85,055
Aug 22, 2025 14:44	Gjorgji Kjosev	RUSTrust-1.89.0	Success	82,773+95.52 RP
Aug 22, 2025 14:38	Gjorgji Kjosev	RUSTrust-1.89.0	Success	1,159,948
Aug 22, 2025 14:35	Gjorgji Kjosev	RUSTrust-1.89.0	Error
Aug 22, 2025 14:24	Gjorgji Kjosev	RUSTrust-1.89.0	Success	395,320+25.30 RP
Aug 22, 2025 14:02	Ashish Ahuja	CPPg++13.3.0	Success	11,374
Aug 22, 2025 13:55	Ashish Ahuja	CPPg++13.3.0	Success	13,347
Aug 22, 2025 13:53	Ashish Ahuja	CPPg++13.3.0	Success	11,661
Aug 22, 2025 13:53	Ashish Ahuja	CPPg++13.3.0	Success	11,692
Aug 22, 2025 13:48	Ashish Ahuja	CPPg++13.3.0	Success	11,458
Aug 22, 2025 13:46	Ashish Ahuja	CPPg++13.3.0	Success	11,729
Aug 22, 2025 13:45	Ashish Ahuja	CPPg++13.3.0	Success	12,473
Aug 22, 2025 13:45	Ashish Ahuja	CPPg++13.3.0	Success	12,215
Aug 22, 2025 13:44	Ashish Ahuja	CPPg++13.3.0	Success	11,741
Aug 22, 2025 13:44	Ashish Ahuja	CPPg++13.3.0	Success	12,224
Aug 22, 2025 13:16	Ashish Ahuja	CPPg++13.3.0	Success	11,390
Aug 22, 2025 12:52	Ashish Ahuja	CPPg++13.3.0	Success	12,197
Aug 22, 2025 12:49	Ashish Ahuja	CPPg++13.3.0	Success	12,666
Aug 22, 2025 12:48	Ashish Ahuja	CPPg++13.3.0	Success	12,300
Aug 22, 2025 12:48	Ashish Ahuja	CPPg++13.3.0	Success	14,789
Aug 22, 2025 12:46	Ashish Ahuja	CPPg++13.3.0	Success	12,860
Aug 22, 2025 12:45	Ashish Ahuja	CPPg++13.3.0	Error
Aug 22, 2025 06:38	Ruoyu Qiu	CPPclang++18.1.3	Success	54,839+0.27 RP
Aug 22, 2025 06:37	Ruoyu Qiu	CPPclang++18.1.3	Success	62,878
Aug 22, 2025 06:35	Ruoyu Qiu	CPPclang++18.1.3	Success	62,011
Aug 22, 2025 06:16	Ruoyu Qiu	CPPclang++18.1.3	Success	60,914
Aug 22, 2025 06:12	Ruoyu Qiu	CPPclang++18.1.3	Success	70,961
Aug 22, 2025 05:46	Ruoyu Qiu	CPPclang++18.1.3	Success	54,920+19.84 RP
Aug 22, 2025 05:01	Ruoyu Qiu	CPPclang++18.1.3	Success	78,979
Aug 22, 2025 04:55	Ruoyu Qiu	CPPclang++18.1.3	Error
Aug 22, 2025 04:54	Ruoyu Qiu	CPPclang++18.1.3	Error
Aug 22, 2025 03:22	Ruoyu Qiu	CPPg++13.3.0	Success	61,640
Aug 21, 2025 21:46	Adam Folwarczny	CPPclang++18.1.3	Success	17,346
Aug 21, 2025 21:46	Adam Folwarczny	CPPg++13.3.0	Success	20,111
Aug 21, 2025 21:38	Adam Folwarczny	CPPg++13.3.0	Success	482,420
Aug 21, 2025 21:36	Adam Folwarczny	CPPg++13.3.0	Success	482,439
Aug 21, 2025 21:32	Adam Folwarczny	CPPg++13.3.0	Error
Aug 21, 2025 21:31	Adam Folwarczny	CPPg++13.3.0	Error
Aug 21, 2025 21:24	Adam Folwarczny	CPPclang++18.1.3	Success	17,342
Aug 21, 2025 21:23	Adam Folwarczny	CPPclang++18.1.3	Error
Aug 21, 2025 21:16	Asset Malik	RUSTrust-1.89.0	Success	97,243
Aug 21, 2025 21:16	Adam Folwarczny	CPPclang++18.1.3	Success	17,339+0.13 RP
Aug 21, 2025 21:15	Adam Folwarczny	CPPg++13.3.0	Success	18,909
Aug 21, 2025 21:13	Asset Malik	RUSTrust-1.89.0	Success	107,218
Aug 21, 2025 21:00	Asset Malik	RUSTrust-1.89.0	Error
Aug 21, 2025 20:55	Adam Folwarczny	CPPg++13.3.0	Success	18,939
Aug 21, 2025 20:54	Adam Folwarczny	CPPclang++18.1.3	Success	17,343+4.94 RP
Aug 21, 2025 20:50	Adam Folwarczny	CPPclang++18.1.3	Success	17,493+50.85 RP
Aug 21, 2025 20:49	Adam Folwarczny	CPPg++13.3.0	Success	19,201+1.65 RP
Aug 21, 2025 20:39	Adam Folwarczny	CPPg++13.3.0	Success	19,587
Aug 21, 2025 20:36	Adam Folwarczny	CPPg++13.3.0	Success	20,504
Aug 21, 2025 20:35	Adam Folwarczny	CPPg++13.3.0	Error
Aug 21, 2025 20:33	Adam Folwarczny	CPPg++13.3.0	Success	20,646
Aug 21, 2025 20:32	Adam Folwarczny	CPPg++13.3.0	Error
Aug 21, 2025 20:23	Adam Folwarczny	CPPg++13.3.0	Success	19,262+0.13 RP
Aug 21, 2025 20:20	Adam Folwarczny	CPPg++13.3.0	Error

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