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
Sep 19, 2025 18:09	sheryllynn24	CPPg++13.3.0	Error
Sep 19, 2025 17:50	sheryllynn24	CPPg++13.3.0	Error
Sep 19, 2025 17:05	limanjun99	CPPg++13.3.0	Success	23,409
Sep 19, 2025 16:49	limanjun99	CPPg++13.3.0	Success	52,528
Sep 19, 2025 16:15	limanjun99	CPPg++13.3.0	Success	23,686
Sep 19, 2025 16:12	limanjun99	CPPg++13.3.0	Success	23,916
Sep 19, 2025 16:01	limanjun99	CPPg++13.3.0	Success	23,532
Sep 19, 2025 15:34	limanjun99	CPPg++13.3.0	Success	22,571+55.58 RP
Sep 19, 2025 13:40	limanjun99	CPPg++13.3.0	Success	27,369
Sep 19, 2025 13:09	limanjun99	CPPg++13.3.0	Success	30,192
Sep 19, 2025 13:09	limanjun99	CPPg++13.3.0	Error
Sep 19, 2025 13:08	limanjun99	CPPg++13.3.0	Error
Sep 19, 2025 13:04	EvgeniiBalabanov	CPPg++13.3.0	Success	2,067,374+4.84 RP
Sep 19, 2025 12:46	limanjun99	CPPg++13.3.0	Success	27,704
Sep 19, 2025 12:33	limanjun99	CPPg++13.3.0	Success	25,809+54.69 RP
Sep 19, 2025 12:25	limanjun99	CPPg++13.3.0	Success	30,414
Sep 19, 2025 12:11	limanjun99	CPPg++13.3.0	Success	30,051+102.91 RP
Sep 18, 2025 16:04	sheryllynn24	CPPg++13.3.0	Success	16,997
Sep 18, 2025 15:41	sheryllynn24	CPPg++13.3.0	Success	16,552
Sep 18, 2025 15:12	sheryllynn24	CPPg++13.3.0	Success	15,658
Sep 18, 2025 14:38	sheryllynn24	CPPg++13.3.0	Success	15,653+1.71 RP
Sep 18, 2025 14:14	sheryllynn24	CPPg++13.3.0	Success	16,595
Sep 18, 2025 14:13	sheryllynn24	CPPg++13.3.0	Success	16,596
Sep 18, 2025 14:12	sheryllynn24	CPPg++13.3.0	Success	17,706
Sep 18, 2025 14:05	sheryllynn24	CPPg++13.3.0	Success	15,827
Sep 18, 2025 14:03	sheryllynn24	CPPg++13.3.0	Success	15,705
Sep 18, 2025 14:01	sheryllynn24	CPPg++13.3.0	Success	15,695+1.38 RP
Sep 18, 2025 14:00	sheryllynn24	CPPg++13.3.0	Success	15,788
Sep 18, 2025 13:56	sheryllynn24	CPPg++13.3.0	Success	15,881
Sep 18, 2025 13:54	sheryllynn24	CPPg++13.3.0	Success	15,729+0.04 RP
Sep 18, 2025 13:51	sheryllynn24	CPPg++13.3.0	Success	17,321
Sep 18, 2025 13:40	sheryllynn24	CPPg++13.3.0	Success	15,730+1.61 RP
Sep 18, 2025 13:39	sheryllynn24	CPPg++13.3.0	Success	15,770+4.11 RP
Sep 18, 2025 13:37	sheryllynn24	CPPg++13.3.0	Success	17,636
Sep 18, 2025 13:34	sheryllynn24	CPPg++13.3.0	Success	15,873+2.61 RP
Sep 18, 2025 13:33	sheryllynn24	CPPg++13.3.0	Success	15,939+0.20 RP
Sep 18, 2025 13:32	sheryllynn24	CPPg++13.3.0	Success	16,041
Sep 18, 2025 13:29	sheryllynn24	CPPg++13.3.0	Success	18,503
Sep 18, 2025 13:18	sheryllynn24	CPPg++13.3.0	Success	17,141
Sep 18, 2025 13:14	sheryllynn24	CPPg++13.3.0	Success	17,287
Sep 18, 2025 13:01	sheryllynn24	CPPg++13.3.0	Success	16,359
Sep 18, 2025 12:57	sheryllynn24	CPPg++13.3.0	Success	15,944+95.08 RP
Sep 18, 2025 12:00	sheryllynn24	CPPg++13.3.0	Success	19,792
Sep 18, 2025 11:56	sheryllynn24	CPPg++13.3.0	Success	21,226
Sep 18, 2025 03:02	Elnur Rakhmatullin	CPPg++13.3.0	Success	36,492
Sep 18, 2025 03:01	Elnur Rakhmatullin	CPPg++13.3.0	Success	36,672
Sep 18, 2025 03:00	Elnur Rakhmatullin	CPPg++13.3.0	Success	37,313
Sep 18, 2025 02:50	Elnur Rakhmatullin	CPPclang++18.1.3	Success	37,122
Sep 18, 2025 02:50	Elnur Rakhmatullin	CPPg++13.3.0	Success	36,653
Sep 18, 2025 02:40	Elnur Rakhmatullin	CPPclang++18.1.3	Success	36,073
Sep 18, 2025 02:34	Elnur Rakhmatullin	CPPg++13.3.0	Success	35,961+20.41 RP
Sep 18, 2025 02:24	Elnur Rakhmatullin	CPPclang++18.1.3	Success	51,074
Sep 18, 2025 02:23	Elnur Rakhmatullin	CPPg++13.3.0	Success	38,809+8.61 RP
Sep 18, 2025 02:15	Elnur Rakhmatullin	CPPclang++18.1.3	Success	50,376
Sep 18, 2025 02:15	Elnur Rakhmatullin	CPPclang++18.1.3	Success	50,179
Sep 18, 2025 02:14	Elnur Rakhmatullin	CPPg++13.3.0	Success	40,151+37.77 RP
Sep 18, 2025 02:05	Elnur Rakhmatullin	CPPg++13.3.0	Success	48,113
Sep 18, 2025 02:04	Elnur Rakhmatullin	CPPclang++18.1.3	Success	52,111
Sep 18, 2025 00:03	Suhas Narreddy	CPPg++13.3.0	Success	2,065,904+4.84 RP
Sep 17, 2025 21:10	Adam Folwarczny	CPPg++13.3.0	Error
Sep 17, 2025 21:02	Adam Folwarczny	CPPg++13.3.0	Success	59,514
Sep 17, 2025 20:57	Adam Folwarczny	CPPg++13.3.0	Success	66,727
Sep 17, 2025 20:55	Adam Folwarczny	CPPg++13.3.0	Success	73,493
Sep 17, 2025 20:52	Adam Folwarczny	CPPg++13.3.0	Success	65,579
Sep 17, 2025 20:48	Adam Folwarczny	CPPg++13.3.0	Success	58,697
Sep 17, 2025 20:22	sheryllynn24	CPPg++13.3.0	Success	20,112
Sep 17, 2025 20:20	sheryllynn24	CPPg++13.3.0	Success	19,028
Sep 17, 2025 20:08	sheryllynn24	CPPg++13.3.0	Success	18,793+1.36 RP
Sep 17, 2025 20:06	sheryllynn24	CPPg++13.3.0	Success	18,841+31.66 RP
Sep 17, 2025 20:03	sheryllynn24	CPPg++13.3.0	Success	20,036+7.73 RP
Sep 17, 2025 19:59	sheryllynn24	CPPg++13.3.0	Success	20,420
Sep 17, 2025 19:58	sheryllynn24	CPPg++13.3.0	Success	20,806
Sep 17, 2025 19:58	sheryllynn24	CPPg++13.3.0	Success	22,741
Sep 17, 2025 19:55	sheryllynn24	CPPg++13.3.0	Success	20,351+0.29 RP
Sep 17, 2025 19:54	sheryllynn24	CPPg++13.3.0	Success	20,363+6.26 RP
Sep 17, 2025 19:41	sheryllynn24	CPPg++13.3.0	Error
Sep 17, 2025 19:31	Aleksei Shahoika	CPPclang++18.1.3	Success	15,752+1.49 RP
Sep 17, 2025 19:29	sheryllynn24	CPPg++13.3.0	Success	20,626+13.79 RP
Sep 17, 2025 19:21	sheryllynn24	CPPg++13.3.0	Success	26,440
Sep 17, 2025 19:20	sheryllynn24	CPPg++13.3.0	Success	21,585
Sep 17, 2025 19:19	sheryllynn24	CPPg++13.3.0	Success	21,250
Sep 17, 2025 19:18	sheryllynn24	CPPg++13.3.0	Success	21,230+147.19 RP
Sep 17, 2025 19:17	sheryllynn24	CPPg++13.3.0	Success	30,879+0.01 RP
Sep 17, 2025 19:10	sheryllynn24	CPPg++13.3.0	Success	30,880+15.06 RP
Sep 17, 2025 19:05	Aleksei Shahoika	CPPclang++18.1.3	Success	15,789+111.84 RP
Sep 17, 2025 12:54	sheryllynn24	CPPg++13.3.0	Error
Sep 17, 2025 12:53	sheryllynn24	CPPg++13.3.0	Error
Sep 17, 2025 06:31	Aleksei Shahoika	CPPclang++18.1.3	Success	19,175+0.14 RP
Sep 17, 2025 06:30	Aleksei Shahoika	CPPclang++18.1.3	Error
Sep 17, 2025 06:04	Aleksei Shahoika	CPPclang++18.1.3	Success	19,180+92.43 RP
Sep 17, 2025 01:24	Myles	CPPg++13.3.0	Success	9,975+844.81 RP
Sep 16, 2025 20:30	Adam Folwarczny	CPPclang++18.1.3	Error
Sep 16, 2025 18:55	Aleksei Shahoika	CPPclang++18.1.3	Success	23,313+36.36 RP
Sep 16, 2025 18:52	Aleksei Shahoika	CPPclang++18.1.3	Success	25,472+41.54 RP
Sep 16, 2025 18:28	sheryllynn24	CPPg++13.3.0	Error
Sep 16, 2025 18:10	sheryllynn24	CPPg++13.3.0	Success	33,472
Sep 16, 2025 18:09	sheryllynn24	CPPg++13.3.0	Success	33,471
Sep 16, 2025 18:08	sheryllynn24	CPPg++13.3.0	Success	33,423
Sep 16, 2025 18:08	sheryllynn24	CPPg++13.3.0	Success	34,074
Sep 16, 2025 18:06	sheryllynn24	CPPg++13.3.0	Success	34,092

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