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 18, 2025 12:53	Ashish Ahuja	CPPg++13.3.0	Success	11,310
Aug 18, 2025 12:52	Ashish Ahuja	CPPg++13.3.0	Success	11,008+9.07 RP
Aug 18, 2025 12:51	Ashish Ahuja	CPPg++13.3.0	Success	11,119+7.78 RP
Aug 18, 2025 12:43	Ashish Ahuja	CPPg++13.3.0	Success	13,092
Aug 18, 2025 12:42	Ashish Ahuja	CPPg++13.3.0	Success	13,204
Aug 18, 2025 12:41	Ashish Ahuja	CPPg++13.3.0	Success	13,435
Aug 18, 2025 12:40	Ashish Ahuja	CPPg++13.3.0	Success	15,664
Aug 18, 2025 12:37	Ashish Ahuja	CPPg++13.3.0	Success	15,603
Aug 18, 2025 12:36	Ashish Ahuja	CPPg++13.3.0	Success	15,540
Aug 18, 2025 12:35	Ashish Ahuja	CPPg++13.3.0	Success	15,562
Aug 18, 2025 08:32	Ashish Ahuja	CPPg++13.3.0	Success	11,766
Aug 18, 2025 08:18	Ashish Ahuja	CPPg++13.3.0	Success	11,266
Aug 18, 2025 08:12	Keefe	CPPclang++18.1.3	Error
Aug 18, 2025 08:10	Ahmed Mhedhbi	CPPg++13.3.0	Success	52,728
Aug 18, 2025 07:59	Ahmed Mhedhbi	CPPg++13.3.0	Success	52,416+10.81 RP
Aug 18, 2025 07:56	Ahmed Mhedhbi	CPPg++13.3.0	Success	55,563+27.88 RP
Aug 18, 2025 07:52	Ahmed Mhedhbi	CPPg++13.3.0	Success	65,748+124.96 RP
Aug 18, 2025 07:42	Ahmed Mhedhbi	CPPg++13.3.0	Error
Aug 18, 2025 07:38	Ashish Ahuja	CPPg++13.3.0	Success	11,216+3.64 RP
Aug 18, 2025 07:30	Ahmed Mhedhbi	CPPg++13.3.0	Success	368,565+27.13 RP
Aug 18, 2025 07:23	Ahmed Mhedhbi	CPPg++13.3.0	Error
Aug 18, 2025 07:22	Ashish Ahuja	CPPg++13.3.0	Success	11,262+5.41 RP
Aug 18, 2025 07:18	Ashish Ahuja	CPPg++13.3.0	Error
Aug 18, 2025 07:13	Ashish Ahuja	CPPg++13.3.0	Error
Aug 18, 2025 07:13	Ashish Ahuja	CPPg++13.3.0	Error
Aug 18, 2025 07:11	Ashish Ahuja	CPPg++13.3.0	Success	11,392
Aug 18, 2025 07:09	Ashish Ahuja	CPPg++13.3.0	Success	11,368
Aug 18, 2025 06:59	Ashish Ahuja	CPPg++13.3.0	Success	14,136
Aug 18, 2025 06:55	Ashish Ahuja	CPPg++13.3.0	Success	11,331+3.88 RP
Aug 18, 2025 06:52	Andrey Nikolaev	RUSTrust-1.89.0	Success	165,038
Aug 18, 2025 06:50	Ashish Ahuja	CPPg++13.3.0	Success	11,381+9.92 RP
Aug 18, 2025 06:48	Andrey Nikolaev	RUSTrust-1.89.0	Success	80,086
Aug 18, 2025 06:37	Ashish Ahuja	CPPg++13.3.0	Success	12,138
Aug 18, 2025 06:36	Ashish Ahuja	CPPg++13.3.0	Success	11,511+2.71 RP
Aug 18, 2025 06:36	Andrey Nikolaev	RUSTrust-1.89.0	Success	64,239+155.67 RP
Aug 18, 2025 06:35	Ashish Ahuja	CPPg++13.3.0	Error
Aug 18, 2025 06:34	Ashish Ahuja	CPPg++13.3.0	Success	15,109
Aug 18, 2025 06:24	Ashish Ahuja	CPPg++13.3.0	Success	11,547+2.69 RP
Aug 18, 2025 06:24	Ashish Ahuja	CPPg++13.3.0	Success	13,024
Aug 18, 2025 06:23	Ashish Ahuja	CPPg++13.3.0	Success	12,655
Aug 18, 2025 06:12	Ashish Ahuja	CPPg++13.3.0	Success	11,717
Aug 18, 2025 06:08	Ashish Ahuja	CPPg++13.3.0	Success	11,946
Aug 18, 2025 06:06	Ashish Ahuja	CPPg++13.3.0	Success	11,872
Aug 18, 2025 06:05	Ashish Ahuja	CPPg++13.3.0	Success	11,583+3.27 RP
Aug 18, 2025 06:05	Ashish Ahuja	CPPg++13.3.0	Success	11,627+5.66 RP
Aug 18, 2025 06:04	Ashish Ahuja	CPPg++13.3.0	Success	11,704+16.61 RP
Aug 18, 2025 06:02	Ashish Ahuja	CPPg++13.3.0	Success	12,593
Aug 18, 2025 06:01	Ashish Ahuja	CPPg++13.3.0	Success	12,177
Aug 18, 2025 06:00	Ashish Ahuja	CPPg++13.3.0	Success	12,234
Aug 18, 2025 05:58	Ashish Ahuja	CPPg++13.3.0	Success	11,936+18.13 RP
Aug 18, 2025 05:24	Ashish Ahuja	CPPg++13.3.0	Success	12,358
Aug 18, 2025 05:23	Ashish Ahuja	CPPg++13.3.0	Success	13,476
Aug 18, 2025 05:22	Ashish Ahuja	CPPg++13.3.0	Success	12,368
Aug 18, 2025 05:18	Ashish Ahuja	CPPg++13.3.0	Success	12,644
Aug 18, 2025 05:17	Ashish Ahuja	CPPg++13.3.0	Success	12,200+0.67 RP
Aug 18, 2025 05:16	Ashish Ahuja	CPPg++13.3.0	Success	12,210+12.09 RP
Aug 18, 2025 05:15	Ashish Ahuja	CPPg++13.3.0	Success	12,393+28.21 RP
Aug 18, 2025 05:14	Ashish Ahuja	CPPg++13.3.0	Error
Aug 18, 2025 05:13	Ashish Ahuja	CPPg++13.3.0	Success	12,904
Aug 18, 2025 05:13	Ashish Ahuja	CPPg++13.3.0	Success	13,192
Aug 18, 2025 05:11	Ashish Ahuja	CPPg++13.3.0	Success	12,842+57.40 RP
Aug 18, 2025 05:08	Ashish Ahuja	CPPg++13.3.0	Success	21,384
Aug 17, 2025 15:30	Ashish Ahuja	CPPg++13.3.0	Success	13,864+13.23 RP
Aug 17, 2025 15:29	Ashish Ahuja	CPPg++13.3.0	Success	14,215
Aug 17, 2025 09:17	Ashish Ahuja	CPPg++13.3.0	Success	14,123+22.24 RP
Aug 17, 2025 09:02	Ashish Ahuja	CPPg++13.3.0	Success	15,101
Aug 17, 2025 08:33	Ashish Ahuja	CPPg++13.3.0	Success	14,702
Aug 17, 2025 08:32	Ashish Ahuja	CPPg++13.3.0	Success	15,951
Aug 17, 2025 08:31	Ashish Ahuja	CPPg++13.3.0	Error
Aug 17, 2025 07:46	Ashish Ahuja	CPPg++13.3.0	Error
Aug 17, 2025 07:44	Ashish Ahuja	CPPg++13.3.0	Success	15,746
Aug 17, 2025 07:35	Ashish Ahuja	CPPg++13.3.0	Success	14,944
Aug 17, 2025 07:34	Ashish Ahuja	CPPg++13.3.0	Success	14,964
Aug 17, 2025 07:34	Ashish Ahuja	CPPg++13.3.0	Success	14,875
Aug 17, 2025 07:29	Ashish Ahuja	CPPg++13.3.0	Error
Aug 17, 2025 07:26	Ashish Ahuja	CPPg++13.3.0	Success	15,300
Aug 17, 2025 07:24	Ashish Ahuja	CPPg++13.3.0	Success	14,892
Aug 17, 2025 07:21	Ashish Ahuja	CPPg++13.3.0	Success	14,631
Aug 17, 2025 07:13	Ashish Ahuja	CPPg++13.3.0	Success	14,581+14.64 RP
Aug 17, 2025 07:10	Ashish Ahuja	CPPg++13.3.0	Success	14,899+14.93 RP
Aug 17, 2025 07:10	Ashish Ahuja	CPPg++13.3.0	Error
Aug 17, 2025 07:09	Ashish Ahuja	CPPg++13.3.0	Success	17,413
Aug 17, 2025 06:58	Ashish Ahuja	CPPg++13.3.0	Success	17,184
Aug 17, 2025 06:44	Ashish Ahuja	CPPg++13.3.0	Success	15,238+0.56 RP
Aug 17, 2025 06:25	Ashish Ahuja	CPPg++13.3.0	Success	15,637
Aug 17, 2025 06:22	Ashish Ahuja	CPPg++13.3.0	Success	16,089
Aug 16, 2025 23:48	Ashish Ahuja	CPPg++13.3.0	Success	15,608
Aug 16, 2025 23:29	Ashish Ahuja	CPPg++13.3.0	Success	15,549
Aug 16, 2025 23:15	Ashish Ahuja	CPPg++13.3.0	Success	15,251+9.62 RP
Aug 16, 2025 23:09	Ashish Ahuja	CPPg++13.3.0	Success	15,488
Aug 16, 2025 22:56	Ashish Ahuja	CPPg++13.3.0	Success	15,478+24.73 RP
Aug 16, 2025 22:55	Ashish Ahuja	CPPg++13.3.0	Error
Aug 16, 2025 22:50	Ashish Ahuja	CPPg++13.3.0	Success	16,094+104.79 RP
Aug 16, 2025 22:41	Ashish Ahuja	CPPg++13.3.0	Success	19,359+10.82 RP
Aug 16, 2025 22:36	Ashish Ahuja	CPPg++13.3.0	Error
Aug 16, 2025 22:27	Leon Zhao	CPPg++13.3.0	Success	12,663
Aug 16, 2025 22:24	Leon Zhao	CPPg++13.3.0	Success	12,482
Aug 16, 2025 22:24	Leon Zhao	CPPg++13.3.0	Success	12,458
Aug 16, 2025 22:16	Leon Zhao	CPPg++13.3.0	Error
Aug 16, 2025 21:18	Ashish Ahuja	CPPg++13.3.0	Success	19,793

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