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	1:20.1.2-0ubuntu1~24.04.3	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	3.0.13-0ubuntu3.11	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, 2026 10:42	wn	CPPg++14.2.0	Success	3,299
Sep 24, 2026 10:28	wn	CPPg++14.2.0	Error
Sep 24, 2026 10:16	wn	CPPg++14.2.0	Error
Sep 24, 2026 10:14	wn	CPPg++14.2.0	Error
Sep 24, 2026 08:38	wn	CPPg++14.2.0	Error
Sep 24, 2026 08:32	wn	CPPg++14.2.0	Error
Sep 24, 2026 08:21	wn	CPPg++14.2.0	Error
Sep 24, 2026 08:19	wn	CPPg++14.2.0	Error
Sep 24, 2026 08:13	wn	CPPg++14.2.0	Success	3,318
Sep 24, 2026 08:09	wn	CPPg++14.2.0	Error
Sep 24, 2026 08:07	wn	CPPg++14.2.0	Error
Sep 24, 2026 07:53	wn	CPPg++14.2.0	Error
Sep 24, 2026 07:46	wn	CPPg++14.2.0	Success	3,411
Sep 24, 2026 07:39	wn	CPPg++14.2.0	Error
Sep 24, 2026 07:32	wn	CPPclang++18.1.3	Success	3,894
Sep 24, 2026 07:24	wn	CPPg++14.2.0	Error
Sep 24, 2026 07:11	wn	CPPg++14.2.0	Success	3,486
Sep 24, 2026 07:08	wn	CPPg++14.2.0	Success	3,473
Sep 24, 2026 06:38	wn	CPPg++14.2.0	Success	4,756
Sep 24, 2026 06:26	wn	CPPg++14.2.0	Success	3,674
Sep 24, 2026 06:24	wn	CPPg++14.2.0	Success	3,514
Sep 24, 2026 06:16	wn	CPPg++14.2.0	Success	4,801
Sep 24, 2026 06:11	wn	CPPg++14.2.0	Success	4,604
Sep 24, 2026 06:01	wn	CPPg++14.2.0	Success	4,315
Sep 24, 2026 05:58	wn	CPPg++14.2.0	Success	4,048
Sep 24, 2026 05:53	wn	CPPg++14.2.0	Success	4,320
Sep 24, 2026 05:45	wn	CPPg++14.2.0	Success	4,193
Sep 24, 2026 05:31	wn	CPPg++14.2.0	Success	4,131
Sep 24, 2026 05:27	wn	CPPg++14.2.0	Success	3,707
Sep 24, 2026 05:23	wn	CPPg++14.2.0	Success	3,516
Sep 24, 2026 05:22	wn	CPPg++14.2.0	Success	3,339
Sep 24, 2026 05:20	wn	CPPg++14.2.0	Success	3,392
Sep 24, 2026 05:18	wn	CPPg++14.2.0	Success	3,425
Sep 24, 2026 05:10	wn	CPPg++14.2.0	Success	3,399
Sep 24, 2026 05:05	Edgar	RUSTrust-1.95.0	Success	140,908
Sep 24, 2026 05:05	wn	CPPg++14.2.0	Success	3,813
Sep 24, 2026 05:00	wn	CPPg++14.2.0	Success	3,419
Sep 24, 2026 04:57	wn	CPPg++14.2.0	Success	3,430
Sep 24, 2026 04:54	wn	CPPg++14.2.0	Success	3,365
Sep 24, 2026 04:53	Edgar	RUSTrust-1.95.0	Success	20,637+294.57 RP
Sep 24, 2026 04:52	wn	CPPg++14.2.0	Success	3,339
Sep 24, 2026 04:47	wn	CPPg++14.2.0	Success	3,478
Sep 24, 2026 04:46	wn	CPPg++14.2.0	Success	3,386
Sep 24, 2026 04:41	wn	CPPg++14.2.0	Success	3,586
Sep 24, 2026 04:39	Edgar	RUSTrust-1.95.0	Error
Sep 24, 2026 04:36	wn	CPPg++14.2.0	Success	3,771
Sep 24, 2026 04:34	wn	CPPg++14.2.0	Success	3,925
Sep 24, 2026 04:33	Edgar	RUSTrust-1.95.0	Error
Sep 24, 2026 04:31	wn	CPPg++14.2.0	Success	3,997
Sep 24, 2026 04:26	Edgar	RUSTrust-1.95.0	Error
Sep 24, 2026 04:24	Edgar	RUSTrust-1.95.0	Error
Sep 24, 2026 04:23	wn	CPPg++14.2.0	Success	3,727
Sep 24, 2026 04:22	Edgar	RUSTrust-1.95.0	Error
Sep 24, 2026 04:21	wn	CPPg++14.2.0	Success	3,550
Sep 24, 2026 04:19	Edgar	RUSTrust-1.95.0	Error
Sep 24, 2026 04:19	wn	CPPg++14.2.0	Success	3,328
Sep 24, 2026 04:17	wn	CPPg++14.2.0	Success	3,401
Sep 24, 2026 04:16	wn	CPPg++14.2.0	Success	3,484
Sep 24, 2026 04:14	wn	CPPg++14.2.0	Success	3,689
Sep 24, 2026 04:11	wn	CPPg++14.2.0	Success	3,441
Sep 24, 2026 04:09	wn	CPPg++14.2.0	Success	3,342
Sep 24, 2026 04:05	wn	CPPg++14.2.0	Success	4,293
Sep 24, 2026 04:02	wn	CPPg++14.2.0	Success	3,543
Sep 24, 2026 03:59	wn	CPPg++14.2.0	Success	3,519
Sep 24, 2026 03:57	wn	CPPg++14.2.0	Success	3,893
Sep 24, 2026 03:53	wn	CPPg++14.2.0	Success	4,274
Sep 24, 2026 03:47	wn	CPPg++14.2.0	Success	3,743
Sep 24, 2026 03:45	wn	CPPg++14.2.0	Success	3,688
Sep 24, 2026 03:39	wn	CPPg++14.2.0	Success	3,791
Sep 24, 2026 03:38	wn	CPPg++14.2.0	Success	3,338
Sep 24, 2026 03:35	wn	CPPg++14.2.0	Success	3,437
Sep 24, 2026 03:32	wn	CPPg++14.2.0	Success	3,566
Sep 24, 2026 03:27	wn	CPPg++14.2.0	Success	4,136
Sep 24, 2026 03:25	wn	CPPg++14.2.0	Success	3,509
Sep 24, 2026 03:20	wn	CPPg++14.2.0	Success	3,646
Sep 24, 2026 03:18	wn	CPPg++14.2.0	Success	3,352
Sep 24, 2026 03:16	wn	CPPg++14.2.0	Success	3,988
Sep 24, 2026 03:12	wn	CPPg++14.2.0	Success	4,460
Sep 24, 2026 03:11	wn	CPPg++14.2.0	Success	3,333
Sep 24, 2026 03:10	wn	CPPg++14.2.0	Success	3,459
Sep 24, 2026 03:09	wn	CPPg++14.2.0	Success	3,361
Sep 24, 2026 03:08	wn	CPPg++14.2.0	Success	3,344
Sep 24, 2026 03:06	wn	CPPg++14.2.0	Success	3,491
Sep 24, 2026 03:05	wn	CPPg++14.2.0	Success	3,559
Sep 24, 2026 03:04	wn	CPPg++14.2.0	Success	3,728
Sep 24, 2026 02:57	wn	CPPg++14.2.0	Success	4,087
Sep 24, 2026 02:51	wn	CPPg++14.2.0	Success	5,446
Sep 23, 2026 17:32	Matthias Görgens	CPPclang++19.1.1	Success	23,798+420.20 RP
Sep 23, 2026 17:14	parastrom	RUSTrust-1.95.0	Success	5,702+32.01 RP
Sep 23, 2026 17:09	parastrom	RUSTrust-1.95.0	Success	5,808+247.92 RP
Sep 23, 2026 15:59	parastrom	RUSTrust-1.95.0	Success	6,785+1'364.98 RP
Sep 23, 2026 12:19	Kevin Heavey	RUSTrust-1.95.0	Success	3,223+0.96 RP
Sep 23, 2026 12:09	Kevin Heavey	CSHARP9.0.18	Success	3,215+25.90 RP
Sep 23, 2026 12:07	Kevin Heavey	GOgo1.26.2	Success	3,212+23.09 RP
Sep 23, 2026 12:04	Kevin Heavey	ZIG0.15.1	Success	3,209+25.05 RP
Sep 23, 2026 12:03	Kevin Heavey	RUSTrust-1.95.0	Success	3,224+5.76 RP
Sep 23, 2026 12:01	Kevin Heavey	CPPg++14.2.0	Success	3,207+42.48 RP
Sep 23, 2026 10:24	Kevin Heavey	RUSTrust-1.95.0	Success	3,230+54.61 RP
Sep 23, 2026 10:17	Kevin Heavey	CSHARP9.0.18	Success	3,242+343.29 RP
Sep 23, 2026 10:16	Kevin Heavey	GOgo1.26.2	Success	3,236+251.74 RP

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