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 24, 2025 13:32	Daniel Mastalerz	CPPg++13.3.0	Success	69,635+138.77 RP
Sep 24, 2025 13:26	Daniel Mastalerz	CPPg++13.3.0	Success	2,067,798+4.84 RP
Sep 23, 2025 14:55	sheryllynn24	CPPg++13.3.0	Success	8,784
Sep 23, 2025 14:24	sheryllynn24	CPPg++13.3.0	Success	9,706
Sep 21, 2025 20:31	sheryllynn24	CPPg++13.3.0	Success	8,594
Sep 21, 2025 20:26	sheryllynn24	CPPg++13.3.0	Error
Sep 21, 2025 20:22	sheryllynn24	CPPg++13.3.0	Error
Sep 21, 2025 19:33	sheryllynn24	CPPg++13.3.0	Success	8,956
Sep 21, 2025 19:28	sheryllynn24	CPPg++13.3.0	Error
Sep 21, 2025 16:40	sheryllynn24	CPPg++13.3.0	Success	8,526
Sep 21, 2025 16:39	sheryllynn24	CPPg++13.3.0	Error
Sep 21, 2025 16:26	sheryllynn24	CPPg++13.3.0	Success	9,545
Sep 21, 2025 08:48	sheryllynn24	CPPg++13.3.0	Success	8,526
Sep 21, 2025 08:45	sheryllynn24	CPPg++13.3.0	Success	8,535
Sep 21, 2025 08:30	sheryllynn24	CPPg++13.3.0	Success	8,572
Sep 21, 2025 08:28	sheryllynn24	CPPg++13.3.0	Success	8,575
Sep 21, 2025 08:10	sheryllynn24	CPPg++13.3.0	Success	8,512+3.44 RP
Sep 21, 2025 08:02	sheryllynn24	CPPg++13.3.0	Success	9,147
Sep 21, 2025 08:00	sheryllynn24	CPPg++13.3.0	Success	8,537+2.33 RP
Sep 21, 2025 07:58	sheryllynn24	CPPg++13.3.0	Success	8,554+2.05 RP
Sep 21, 2025 07:57	sheryllynn24	CPPg++13.3.0	Success	8,569+99.99 RP
Sep 21, 2025 07:56	sheryllynn24	CPPg++13.3.0	Success	9,389
Sep 21, 2025 07:53	sheryllynn24	CPPg++13.3.0	Success	9,372+15.48 RP
Sep 21, 2025 07:30	sheryllynn24	CPPg++13.3.0	Success	12,279
Sep 21, 2025 07:29	sheryllynn24	CPPg++13.3.0	Success	12,581
Sep 21, 2025 07:21	sheryllynn24	CPPg++13.3.0	Success	9,529
Sep 21, 2025 06:46	sheryllynn24	CPPg++13.3.0	Success	9,510+3.20 RP
Sep 21, 2025 05:40	limanjun99	CPPg++13.3.0	Success	24,797
Sep 21, 2025 05:31	limanjun99	CPPg++13.3.0	Success	24,806
Sep 20, 2025 22:04	Saaska	GOgo1.25.1	Success	38,856
Sep 20, 2025 21:45	Saaska	GOgo1.25.1	Success	29,907
Sep 20, 2025 21:23	Saaska	GOgo1.25.1	Error
Sep 20, 2025 20:51	Saaska	GOgo1.17.13	Success	28,241+179.36 RP
Sep 20, 2025 20:50	sheryllynn24	CPPg++13.3.0	Success	9,618
Sep 20, 2025 20:34	Saaska	GOgo1.25.1	Error
Sep 20, 2025 20:20	sheryllynn24	CPPg++13.3.0	Success	9,976
Sep 20, 2025 20:17	sheryllynn24	CPPg++13.3.0	Success	9,539+14.63 RP
Sep 20, 2025 20:15	sheryllynn24	CPPg++13.3.0	Success	9,674+10.37 RP
Sep 20, 2025 20:10	Saaska	GOgo1.25.1	Error
Sep 20, 2025 20:09	sheryllynn24	CPPg++13.3.0	Success	9,850
Sep 20, 2025 10:28	sheryllynn24	CPPg++13.3.0	Success	9,772+0.21 RP
Sep 20, 2025 10:25	sheryllynn24	CPPg++13.3.0	Success	9,774+45.70 RP
Sep 20, 2025 10:21	sheryllynn24	CPPg++13.3.0	Success	11,453
Sep 20, 2025 10:18	sheryllynn24	CPPg++13.3.0	Success	10,824
Sep 20, 2025 09:52	sheryllynn24	CPPg++13.3.0	Success	11,589
Sep 20, 2025 09:49	sheryllynn24	CPPg++13.3.0	Success	10,394
Sep 20, 2025 09:48	sheryllynn24	CPPg++13.3.0	Success	10,625
Sep 20, 2025 09:46	sheryllynn24	CPPg++13.3.0	Success	10,366
Sep 20, 2025 08:54	sheryllynn24	CPPg++13.3.0	Success	10,272
Sep 20, 2025 08:53	sheryllynn24	CPPg++13.3.0	Success	10,285
Sep 20, 2025 08:52	sheryllynn24	CPPg++13.3.0	Success	10,308
Sep 20, 2025 08:50	sheryllynn24	CPPg++13.3.0	Success	10,770
Sep 20, 2025 08:50	sheryllynn24	CPPg++13.3.0	Success	10,265
Sep 20, 2025 08:47	sheryllynn24	CPPg++13.3.0	Success	10,231
Sep 20, 2025 08:41	sheryllynn24	CPPg++13.3.0	Success	10,258
Sep 20, 2025 08:40	sheryllynn24	CPPg++13.3.0	Success	10,231+16.07 RP
Sep 20, 2025 08:33	sheryllynn24	CPPg++13.3.0	Success	10,645
Sep 20, 2025 08:25	sheryllynn24	CPPg++13.3.0	Success	10,402+24.23 RP
Sep 20, 2025 08:24	sheryllynn24	CPPg++13.3.0	Error
Sep 20, 2025 08:23	sheryllynn24	CPPg++13.3.0	Success	10,946
Sep 20, 2025 08:16	sheryllynn24	CPPg++13.3.0	Success	11,697
Sep 20, 2025 08:13	sheryllynn24	CPPg++13.3.0	Success	10,785
Sep 20, 2025 08:12	sheryllynn24	CPPclang++18.1.3	Success	11,706
Sep 20, 2025 08:10	sheryllynn24	CPPg++13.3.0	Success	10,820
Sep 20, 2025 08:08	sheryllynn24	CPPg++13.3.0	Success	10,671+146.23 RP
Sep 20, 2025 07:41	sheryllynn24	CPPg++13.3.0	Success	12,644+8.11 RP
Sep 20, 2025 07:33	sheryllynn24	CPPg++13.3.0	Success	12,775+19.54 RP
Sep 20, 2025 07:30	sheryllynn24	CPPg++13.3.0	Success	13,102+53.77 RP
Sep 20, 2025 07:28	sheryllynn24	CPPg++13.3.0	Success	14,095+59.95 RP
Sep 20, 2025 07:24	sheryllynn24	CPPg++13.3.0	Success	15,396+9.07 RP
Sep 20, 2025 07:15	sheryllynn24	CPPg++13.3.0	Success	16,616
Sep 20, 2025 07:14	sheryllynn24	CPPg++13.3.0	Success	16,477
Sep 20, 2025 07:10	sheryllynn24	CPPg++13.3.0	Success	15,614+1.60 RP
Sep 20, 2025 07:09	sheryllynn24	CPPg++13.3.0	Success	18,365
Sep 20, 2025 07:06	sheryllynn24	CPPg++13.3.0	Success	19,562
Sep 19, 2025 20:28	sheryllynn24	CPPg++13.3.0	Success	17,999
Sep 19, 2025 20:28	sheryllynn24	CPPg++13.3.0	Success	18,099
Sep 19, 2025 20:26	sheryllynn24	CPPg++13.3.0	Success	18,724
Sep 19, 2025 20:22	sheryllynn24	CPPg++13.3.0	Success	18,662
Sep 19, 2025 20:16	Aleksei Shahoika	CPPclang++18.1.3	Success	17,500
Sep 19, 2025 20:15	sheryllynn24	CPPg++13.3.0	Success	18,446
Sep 19, 2025 20:14	sheryllynn24	CPPg++13.3.0	Success	18,526
Sep 19, 2025 20:14	Aleksei Shahoika	CPPclang++18.1.3	Success	15,678
Sep 19, 2025 20:06	Aleksei Shahoika	CPPclang++18.1.3	Error
Sep 19, 2025 19:57	sheryllynn24	CPPg++13.3.0	Success	18,060
Sep 19, 2025 19:54	sheryllynn24	CPPg++13.3.0	Success	17,954
Sep 19, 2025 19:46	sheryllynn24	CPPg++13.3.0	Success	17,872
Sep 19, 2025 19:44	sheryllynn24	CPPg++13.3.0	Success	18,088
Sep 19, 2025 19:43	sheryllynn24	CPPg++13.3.0	Success	17,495
Sep 19, 2025 19:41	sheryllynn24	CPPg++13.3.0	Success	19,063
Sep 19, 2025 19:36	sheryllynn24	CPPg++13.3.0	Success	20,530
Sep 19, 2025 19:35	sheryllynn24	CPPg++13.3.0	Success	23,872
Sep 19, 2025 19:31	sheryllynn24	CPPg++13.3.0	Success	25,392
Sep 19, 2025 19:30	sheryllynn24	CPPg++13.3.0	Success	309,774
Sep 19, 2025 19:23	Aleksei Shahoika	CPPclang++18.1.3	Success	15,297+18.88 RP
Sep 19, 2025 18:52	sheryllynn24	CPPg++13.3.0	Error
Sep 19, 2025 18:48	sheryllynn24	CPPg++13.3.0	Error
Sep 19, 2025 18:45	sheryllynn24	CPPg++13.3.0	Error
Sep 19, 2025 18:28	sheryllynn24	CPPg++13.3.0	Error
Sep 19, 2025 18:11	sheryllynn24	CPPg++13.3.0	Error

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