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 30, 2025 09:11	Mark R Best	RUSTrust-1.92.0	Error
Dec 30, 2025 09:07	Mark R Best	RUSTrust-1.92.0	Error
Dec 30, 2025 09:05	Mark R Best	RUSTrust-1.92.0	Error
Dec 30, 2025 08:57	Mark R Best	RUSTrust-1.92.0	Error
Dec 30, 2025 08:52	Mark R Best	RUSTrust-1.92.0	Success	51,945+15.02 RP
Dec 30, 2025 08:51	Mark R Best	RUSTrust-1.92.0	Success	60,137
Dec 30, 2025 08:48	Mark R Best	RUSTrust-1.92.0	Success	70,452
Dec 30, 2025 08:47	Mark R Best	RUSTrust-1.92.0	Error
Dec 30, 2025 08:41	Mark R Best	RUSTrust-1.92.0	Success	76,367
Dec 30, 2025 08:30	Mark R Best	RUSTrust-1.92.0	Error
Dec 30, 2025 08:29	Mark R Best	RUSTrust-1.92.0	Error
Dec 30, 2025 08:28	Mark R Best	RUSTrust-1.92.0	Error
Dec 30, 2025 08:21	Mark R Best	RUSTrust-1.92.0	Error
Dec 30, 2025 06:28	Josu San Martin	GOgo1.25.5	Success	44,359
Dec 30, 2025 06:13	Josu San Martin	GOgo1.25.5	Success	44,327
Dec 30, 2025 05:39	Josu San Martin	GOgo1.25.5	Success	52,255
Dec 30, 2025 04:49	Josu San Martin	CPPclang++18.1.3	Success	30,946
Dec 30, 2025 04:43	Josu San Martin	CPPclang++18.1.3	Success	30,219
Dec 30, 2025 04:43	Josu San Martin	CPPclang++18.1.3	Success	30,846
Dec 30, 2025 04:41	Josu San Martin	CPPg++13.3.0	Success	29,478
Dec 30, 2025 04:25	Josu San Martin	CPPg++13.3.0	Success	30,459
Dec 29, 2025 22:05	Павел Ратманов	CPPg++13.3.0	Success	51,522
Dec 29, 2025 22:04	Павел Ратманов	CPPg++13.3.0	Success	51,529
Dec 29, 2025 22:02	Павел Ратманов	CPPg++13.3.0	Success	55,667
Dec 29, 2025 21:56	Павел Ратманов	CPPg++13.3.0	Success	66,785
Dec 29, 2025 21:49	Павел Ратманов	CPPg++13.3.0	Error
Dec 29, 2025 21:46	Павел Ратманов	CPPg++13.3.0	Error
Dec 29, 2025 21:19	Павел Ратманов	CPPclang++18.1.3	Success	52,507
Dec 29, 2025 21:19	Павел Ратманов	CPPg++13.3.0	Success	46,729
Dec 29, 2025 21:15	Павел Ратманов	CPPg++13.3.0	Success	46,705+14.83 RP
Dec 29, 2025 20:13	Aman \| अमन	CPPg++13.3.0	Error
Dec 29, 2025 20:12	Aman \| अमन	CPPg++13.3.0	Success	52,703
Dec 29, 2025 20:10	Aman \| अमन	CPPg++13.3.0	Success	53,704
Dec 29, 2025 20:07	Aman \| अमन	CPPg++13.3.0	Success	54,289
Dec 29, 2025 20:07	Aman \| अमन	CPPclang++18.1.3	Success	53,249
Dec 29, 2025 20:01	Aman \| अमन	CPPg++13.3.0	Success	53,403
Dec 29, 2025 20:01	Aman \| अमन	CPPg++13.3.0	Success	53,188
Dec 29, 2025 20:01	Aman \| अमन	CPPg++13.3.0	Success	54,529
Dec 29, 2025 15:45	Josu San Martin	CPPg++13.3.0	Success	30,428
Dec 29, 2025 15:45	Josu San Martin	CPPg++13.3.0	Success	29,929
Dec 29, 2025 15:12	Josu San Martin	CPPg++13.3.0	Success	28,229+5.87 RP
Dec 29, 2025 15:06	Josu San Martin	CPPg++13.3.0	Success	28,718
Dec 29, 2025 15:04	Josu San Martin	RUSTrust-1.92.0	Success	30,645
Dec 29, 2025 14:56	Josu San Martin	CPPg++13.3.0	Success	28,705+0.23 RP
Dec 29, 2025 14:55	Josu San Martin	CPPg++13.3.0	Success	30,236
Dec 29, 2025 14:53	Josu San Martin	RUSTrust-1.92.0	Success	30,652
Dec 29, 2025 14:52	Josu San Martin	CPPg++13.3.0	Success	28,821
Dec 29, 2025 14:48	Josu San Martin	CPPg++13.3.0	Success	28,765
Dec 29, 2025 14:44	Josu San Martin	CPPg++13.3.0	Success	28,724+0.08 RP
Dec 29, 2025 14:40	Josu San Martin	CPPg++13.3.0	Success	28,731+3.06 RP
Dec 29, 2025 14:39	Josu San Martin	CPPg++13.3.0	Success	29,735
Dec 29, 2025 14:38	Josu San Martin	CPPg++13.3.0	Success	29,636
Dec 29, 2025 14:38	Josu San Martin	CPPg++13.3.0	Success	29,711
Dec 29, 2025 14:37	Josu San Martin	CPPg++13.3.0	Success	28,986+5.82 RP
Dec 29, 2025 14:33	Josu San Martin	CPPg++13.3.0	Success	29,483+7.16 RP
Dec 29, 2025 14:31	Aman \| अमन	CPPg++13.3.0	Success	52,666+2.36 RP
Dec 29, 2025 14:30	Josu San Martin	CPPg++13.3.0	Success	30,153
Dec 29, 2025 14:28	Aman \| अमन	CPPg++13.3.0	Success	53,334
Dec 29, 2025 14:23	Josu San Martin	CPPclang++18.1.3	Success	32,050
Dec 29, 2025 14:21	Aman \| अमन	CPPg++13.3.0	Success	54,443
Dec 29, 2025 14:21	Aman \| अमन	CPPg++13.3.0	Success	53,330
Dec 29, 2025 14:21	Aman \| अमन	CPPg++13.3.0	Success	53,329+0.03 RP
Dec 29, 2025 14:21	Aman \| अमन	CPPg++13.3.0	Success	57,180
Dec 29, 2025 14:20	Aman \| अमन	CPPg++13.3.0	Success	53,338+4.02 RP
Dec 29, 2025 14:18	Aman \| अमन	CPPg++13.3.0	Error
Dec 29, 2025 14:18	Aman \| अमन	CPPg++13.3.0	Error
Dec 29, 2025 11:16	Aman \| अमन	CPPg++13.3.0	Success	54,508+1.15 RP
Dec 29, 2025 11:13	Aman \| अमन	CPPg++13.3.0	Error
Dec 29, 2025 11:13	Aman \| अमन	CPPg++13.3.0	Success	113,545
Dec 29, 2025 11:12	Aman \| अमन	CPPg++13.3.0	Success	113,490
Dec 29, 2025 11:06	Aman \| अमन	CPPg++13.3.0	Success	56,817
Dec 29, 2025 11:06	Aman \| अमन	CPPg++13.3.0	Success	56,855
Dec 29, 2025 11:05	Aman \| अमन	CPPg++13.3.0	Success	56,859
Dec 29, 2025 11:05	Aman \| अमन	CPPg++13.3.0	Success	56,876
Dec 29, 2025 11:03	Aman \| अमन	CPPg++13.3.0	Error
Dec 29, 2025 11:02	Aman \| अमन	CPPg++13.3.0	Error
Dec 29, 2025 11:02	Aman \| अमन	CPPg++13.3.0	Error
Dec 29, 2025 10:53	Aman \| अमन	CPPg++13.3.0	Success	54,853+0.15 RP
Dec 29, 2025 10:53	Aman \| अमन	CPPg++13.3.0	Success	54,898+10.25 RP
Dec 29, 2025 10:53	Aman \| अमन	CPPg++13.3.0	Success	58,170+31.50 RP
Dec 29, 2025 10:45	Aman \| अमन	CPPg++13.3.0	Success	72,608
Dec 29, 2025 10:45	Aman \| अमन	CPPg++13.3.0	Success	71,275
Dec 29, 2025 10:41	Aman \| अमन	CPPg++13.3.0	Success	72,575
Dec 29, 2025 10:40	Aman \| अमन	CPPg++13.3.0	Success	71,222+0.12 RP
Dec 29, 2025 10:40	Aman \| अमन	CPPg++13.3.0	Success	71,283+2.79 RP
Dec 29, 2025 10:32	Aman \| अमन	CPPg++13.3.0	Success	72,728+0.06 RP
Dec 29, 2025 10:32	Aman \| अमन	CPPg++13.3.0	Success	72,773
Dec 29, 2025 10:32	Aman \| अमन	CPPg++13.3.0	Success	72,762+2.12 RP
Dec 29, 2025 10:28	Aman \| अमन	CPPg++13.3.0	Success	73,900+0.21 RP
Dec 29, 2025 10:28	Aman \| अमन	CPPg++13.3.0	Success	74,016+2.44 RP
Dec 29, 2025 10:15	Aman \| अमन	CPPg++13.3.0	Success	122,792
Dec 29, 2025 10:15	Aman \| अमन	CPPg++13.3.0	Success	122,820
Dec 29, 2025 10:14	Aman \| अमन	CPPg++13.3.0	Success	122,807
Dec 29, 2025 10:14	Aman \| अमन	CPPg++13.3.0	Success	122,735
Dec 29, 2025 10:14	Aman \| अमन	CPPg++13.3.0	Success	122,784
Dec 29, 2025 09:25	Aman \| अमन	CPPg++13.3.0	Success	75,379+0.01 RP
Dec 29, 2025 09:25	Aman \| अमन	CPPg++13.3.0	Success	75,392
Dec 29, 2025 09:25	Aman \| अमन	CPPg++13.3.0	Success	75,401
Dec 29, 2025 09:25	Aman \| अमन	CPPg++13.3.0	Success	75,382+113.37 RP
Dec 29, 2025 09:06	Aman \| अमन	CPPg++13.3.0	Success	521,539

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