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
Mar 17, 2026 08:40	limanjun99	CPPg++13.3.0	Success	10,609+499.55 RP
Mar 17, 2026 08:37	limanjun99	CPPg++13.3.0	Success	81,832
Mar 17, 2026 08:34	limanjun99	CPPg++13.3.0	Success	81,703
Mar 17, 2026 05:39	limanjun99	CPPg++13.3.0	Success	64,183
Mar 17, 2026 05:34	limanjun99	CPPg++13.3.0	Success	65,633
Mar 17, 2026 04:18	zielaj	CPPclang++18.1.3	Success	3,507
Mar 17, 2026 03:43	zielaj	CPPclang++18.1.3	Error
Mar 17, 2026 03:40	zielaj	CPPclang++18.1.3	Success	3,521
Mar 17, 2026 03:38	zielaj	CPPclang++18.1.3	Success	3,515
Mar 17, 2026 03:37	zielaj	CPPclang++18.1.3	Error
Mar 17, 2026 03:36	zielaj	CPPclang++18.1.3	Error
Mar 17, 2026 03:02	zielaj	CPPclang++18.1.3	Success	3,514
Mar 17, 2026 03:01	zielaj	CPPclang++18.1.3	Success	3,513
Mar 17, 2026 02:42	zielaj	CPPclang++18.1.3	Success	3,507
Mar 17, 2026 02:41	zielaj	CPPclang++18.1.3	Success	3,518
Mar 17, 2026 02:40	zielaj	CPPclang++18.1.3	Error
Mar 17, 2026 02:39	zielaj	CPPclang++18.1.3	Error
Mar 17, 2026 02:37	zielaj	CPPclang++18.1.3	Error
Mar 17, 2026 02:33	zielaj	CPPclang++18.1.3	Error
Mar 17, 2026 02:31	zielaj	CPPclang++18.1.3	Error
Mar 17, 2026 02:30	zielaj	CPPclang++18.1.3	Error
Mar 17, 2026 02:28	zielaj	CPPclang++18.1.3	Error
Mar 17, 2026 02:26	zielaj	CPPclang++18.1.3	Error
Mar 17, 2026 02:24	zielaj	CPPclang++18.1.3	Error
Mar 17, 2026 02:17	zielaj	CPPclang++18.1.3	Error
Mar 17, 2026 02:16	zielaj	CPPclang++18.1.3	Error
Mar 17, 2026 02:14	zielaj	CPPclang++18.1.3	Error
Mar 17, 2026 02:10	zielaj	CPPclang++18.1.3	Error
Mar 17, 2026 00:40	shartgepetto	CPPclang++18.1.3	Success	8,225
Mar 17, 2026 00:40	shartgepetto	CPPclang++18.1.3	Success	7,884
Mar 17, 2026 00:40	shartgepetto	CPPclang++18.1.3	Success	7,823
Mar 16, 2026 23:39	zielaj	CPPclang++18.1.3	Error
Mar 16, 2026 23:28	zielaj	CPPclang++18.1.3	Success	3,510
Mar 16, 2026 23:26	zielaj	CPPclang++18.1.3	Error
Mar 16, 2026 23:04	zielaj	CPPclang++18.1.3	Success	3,500
Mar 16, 2026 23:03	zielaj	CPPclang++18.1.3	Success	3,605
Mar 16, 2026 23:01	Yuriy Lyfenko	CPPg++13.3.0	Error
Mar 16, 2026 23:00	zielaj	CPPclang++18.1.3	Error
Mar 16, 2026 22:59	zielaj	CPPclang++18.1.3	Error
Mar 16, 2026 22:58	zielaj	CPPclang++18.1.3	Error
Mar 16, 2026 22:56	zielaj	CPPclang++18.1.3	Error
Mar 16, 2026 22:55	zielaj	CPPclang++18.1.3	Error
Mar 16, 2026 22:35	Yuriy Lyfenko	CPPg++13.3.0	Error
Mar 16, 2026 21:58	Yuriy Lyfenko	CPPg++13.3.0	Success	9,375
Mar 16, 2026 21:52	Yuriy Lyfenko	CPPg++13.3.0	Success	9,374
Mar 16, 2026 21:36	zielaj	CPPclang++18.1.3	Success	3,502
Mar 16, 2026 21:34	zielaj	CPPclang++18.1.3	Success	3,507
Mar 16, 2026 21:33	zielaj	CPPclang++18.1.3	Error
Mar 16, 2026 21:31	Yuriy Lyfenko	CPPg++13.3.0	Success	9,563
Mar 16, 2026 21:30	zielaj	CPPclang++18.1.3	Error
Mar 16, 2026 21:28	zielaj	CPPclang++18.1.3	Error
Mar 16, 2026 21:28	zielaj	CPPclang++18.1.3	Error
Mar 16, 2026 21:25	zielaj	CPPclang++18.1.3	Error
Mar 16, 2026 21:20	zielaj	CPPclang++18.1.3	Error
Mar 16, 2026 21:19	zielaj	CPPclang++18.1.3	Error
Mar 16, 2026 21:18	zielaj	CPPclang++18.1.3	Error
Mar 16, 2026 21:15	zielaj	CPPclang++18.1.3	Error
Mar 16, 2026 21:14	zielaj	CPPclang++18.1.3	Error
Mar 16, 2026 21:12	zielaj	CPPclang++18.1.3	Error
Mar 16, 2026 21:10	zielaj	CPPclang++18.1.3	Error
Mar 16, 2026 21:08	zielaj	CPPclang++18.1.3	Error
Mar 16, 2026 21:07	zielaj	CPPclang++18.1.3	Error
Mar 16, 2026 21:05	zielaj	CPPclang++18.1.3	Error
Mar 16, 2026 21:02	zielaj	CPPclang++18.1.3	Error
Mar 16, 2026 21:00	zielaj	CPPclang++18.1.3	Error
Mar 16, 2026 20:37	Yuriy Lyfenko	CPPg++13.3.0	Success	10,219
Mar 16, 2026 20:31	Yuriy Lyfenko	CPPg++13.3.0	Success	9,287
Mar 16, 2026 20:29	Yuriy Lyfenko	CPPclang++18.1.3	Success	9,984
Mar 16, 2026 20:28	Yuriy Lyfenko	CPPg++13.3.0	Success	9,547
Mar 16, 2026 20:15	Yuriy Lyfenko	CPPg++13.3.0	Success	9,866
Mar 16, 2026 20:14	Yuriy Lyfenko	CPPg++13.3.0	Success	9,887
Mar 16, 2026 20:03	Yuriy Lyfenko	CPPg++13.3.0	Success	10,427
Mar 16, 2026 19:36	Eric Ceglie	CPPclang++18.1.3	Success	10,822
Mar 16, 2026 19:36	Yuriy Lyfenko	CPPg++13.3.0	Success	9,863
Mar 16, 2026 19:35	Yuriy Lyfenko	CPPclang++18.1.3	Success	11,796
Mar 16, 2026 19:32	Yuriy Lyfenko	CPPg++13.3.0	Success	9,873
Mar 16, 2026 17:31	caando	CPPclang++18.1.3	Error
Mar 16, 2026 17:25	caando	CPPclang++18.1.3	Error
Mar 16, 2026 17:24	caando	CPPclang++18.1.3	Error
Mar 16, 2026 17:21	caando	CPPclang++18.1.3	Error
Mar 16, 2026 17:20	caando	CPPclang++18.1.3	Success	14,522
Mar 16, 2026 17:14	caando	CPPg++13.3.0	Success	17,631
Mar 16, 2026 17:08	caando	CPPg++13.3.0	Error
Mar 16, 2026 17:05	caando	CPPg++13.3.0	Error
Mar 16, 2026 17:00	caando	CPPg++13.3.0	Error
Mar 16, 2026 16:57	caando	CPPg++13.3.0	Error
Mar 16, 2026 16:56	caando	CPPg++13.3.0	Success	16,212
Mar 16, 2026 16:56	caando	CPPclang++18.1.3	Success	15,416
Mar 16, 2026 16:52	caando	CPPclang++18.1.3	Error
Mar 16, 2026 16:52	shartgepetto	CPPclang++18.1.3	Success	7,891
Mar 16, 2026 16:52	shartgepetto	CPPclang++18.1.3	Success	7,767+6.76 RP
Mar 16, 2026 16:52	shartgepetto	CPPclang++18.1.3	Success	7,808+2.95 RP
Mar 16, 2026 16:50	caando	CPPg++13.3.0	Error
Mar 16, 2026 16:37	shartgepetto	CPPclang++18.1.3	Success	11,697
Mar 16, 2026 16:36	shartgepetto	CPPclang++18.1.3	Success	11,543
Mar 16, 2026 16:36	shartgepetto	CPPclang++18.1.3	Success	11,551
Mar 16, 2026 16:36	shartgepetto	CPPclang++18.1.3	Success	7,855
Mar 16, 2026 16:36	shartgepetto	CPPclang++18.1.3	Success	8,142
Mar 16, 2026 16:36	shartgepetto	CPPclang++18.1.3	Success	7,881
Mar 16, 2026 16:22	Joel Chong	CPPg++13.3.0	Success	64,415

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