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 13, 2026 00:12	zielaj	CPPclang++18.1.3	Error
Mar 13, 2026 00:11	zielaj	CPPclang++18.1.3	Error
Mar 13, 2026 00:09	zielaj	CPPclang++18.1.3	Error
Mar 13, 2026 00:08	zielaj	CPPclang++18.1.3	Error
Mar 13, 2026 00:06	zielaj	CPPclang++18.1.3	Error
Mar 13, 2026 00:06	zielaj	CPPclang++18.1.3	Error
Mar 13, 2026 00:05	zielaj	CPPclang++18.1.3	Error
Mar 13, 2026 00:04	zielaj	CPPclang++18.1.3	Error
Mar 13, 2026 00:03	zielaj	CPPclang++18.1.3	Error
Mar 13, 2026 00:02	zielaj	CPPclang++18.1.3	Error
Mar 13, 2026 00:01	zielaj	CPPclang++18.1.3	Error
Mar 12, 2026 23:59	zielaj	CPPclang++18.1.3	Error
Mar 12, 2026 23:55	zielaj	CPPclang++18.1.3	Error
Mar 12, 2026 23:53	zielaj	CPPclang++18.1.3	Error
Mar 12, 2026 23:50	zielaj	CPPclang++18.1.3	Error
Mar 12, 2026 23:41	zielaj	CPPclang++18.1.3	Error
Mar 12, 2026 23:41	zielaj	CPPclang++18.1.3	Success	3,758
Mar 12, 2026 21:08	zielaj	CPPclang++18.1.3	Error
Mar 12, 2026 21:07	wn	CPPclang++18.1.3	Success	5,223
Mar 12, 2026 21:07	zielaj	CPPclang++18.1.3	Error
Mar 12, 2026 21:06	zielaj	CPPclang++18.1.3	Error
Mar 12, 2026 20:56	wn	CPPclang++18.1.3	Success	4,887
Mar 12, 2026 20:12	Josu San Martin	CPPclang++18.1.3	Success	5,289
Mar 12, 2026 19:51	Mikołaj Uzarski	CPPclang++18.1.3	Success	5,122
Mar 12, 2026 19:44	Daniel Mastalerz	CPPclang++18.1.3	Success	8,315
Mar 12, 2026 19:37	Daniel Mastalerz	CPPclang++18.1.3	Success	16,264
Mar 12, 2026 17:46	wn	CPPclang++18.1.3	Success	4,592
Mar 12, 2026 17:43	caando	CPPg++13.3.0	Success	5,280
Mar 12, 2026 17:35	caando	CPPg++13.3.0	Error
Mar 12, 2026 17:21	caando	CPPg++13.3.0	Success	7,514
Mar 12, 2026 17:15	Sergey Serebryakov	CPPg++13.3.0	Success	13,920
Mar 12, 2026 17:15	Sergey Serebryakov	CPPg++13.3.0	Success	13,535
Mar 12, 2026 17:15	Sergey Serebryakov	CPPg++13.3.0	Success	13,521
Mar 12, 2026 17:00	caando	CPPg++13.3.0	Error
Mar 12, 2026 16:58	Sergey Serebryakov	CPPg++13.3.0	Success	14,626
Mar 12, 2026 16:57	caando	CPPg++13.3.0	Error
Mar 12, 2026 16:57	Sergey Serebryakov	CPPg++13.3.0	Success	7,482
Mar 12, 2026 16:56	Sergey Serebryakov	CPPg++13.3.0	Success	7,497
Mar 12, 2026 16:55	caando	CPPg++13.3.0	Error
Mar 12, 2026 16:40	caando	CPPg++13.3.0	Error
Mar 12, 2026 16:38	caando	CPPg++13.3.0	Error
Mar 12, 2026 16:30	wn	CPPclang++18.1.3	Success	4,509
Mar 12, 2026 16:30	wn	CPPclang++18.1.3	Success	4,363
Mar 12, 2026 16:27	caando	CPPg++13.3.0	Error
Mar 12, 2026 16:16	Josu San Martin	CPPclang++18.1.3	Success	9,489
Mar 12, 2026 15:37	wn	CPPclang++18.1.3	Success	5,197
Mar 12, 2026 15:36	wn	CPPclang++18.1.3	Success	5,137
Mar 12, 2026 15:21	Josu San Martin	CPPclang++18.1.3	Success	5,187
Mar 12, 2026 15:21	Josu San Martin	CPPclang++18.1.3	Success	5,196
Mar 12, 2026 13:52	Mikołaj Uzarski	CPPclang++18.1.3	Success	5,107+4.97 RP
Mar 12, 2026 13:37	Sergey Serebryakov	CPPg++13.3.0	Success	7,817
Mar 12, 2026 13:35	Sergey Serebryakov	CPPg++13.3.0	Success	7,856
Mar 12, 2026 13:24	Sergey Serebryakov	CPPg++13.3.0	Success	11,486
Mar 12, 2026 13:12	Sergey Serebryakov	CPPg++13.3.0	Success	7,875
Mar 12, 2026 13:11	Sergey Serebryakov	CPPg++13.3.0	Error
Mar 12, 2026 13:10	Sergey Serebryakov	CPPg++13.3.0	Success	7,046+7.41 RP
Mar 12, 2026 13:10	Sergey Serebryakov	CPPg++13.3.0	Success	7,967
Mar 12, 2026 11:54	zielaj	CPPclang++18.1.3	Error
Mar 12, 2026 11:54	zielaj	CPPclang++18.1.3	Error
Mar 12, 2026 11:43	zielaj	CPPclang++18.1.3	Success	3,595
Mar 12, 2026 11:42	zielaj	CPPclang++18.1.3	Success	3,546
Mar 12, 2026 11:39	zielaj	CPPclang++18.1.3	Success	3,912
Mar 12, 2026 07:13	Daniel Mastalerz	CPPclang++18.1.3	Success	5,861
Mar 12, 2026 02:13	zielaj	CPPclang++18.1.3	Success	3,793
Mar 12, 2026 02:11	Keefe	CPPg++13.3.0	Error
Mar 12, 2026 01:22	Keefe	CPPg++13.3.0	Error
Mar 12, 2026 00:46	Keefe	CPPg++13.3.0	Error
Mar 12, 2026 00:33	Sergey Serebryakov	CPPg++13.3.0	Success	7,083+76.54 RP
Mar 12, 2026 00:32	Sergey Serebryakov	CPPg++13.3.0	Success	7,569
Mar 11, 2026 21:36	psep	CPPg++13.3.0	Success	12,054
Mar 11, 2026 21:34	psep	CPPg++13.3.0	Success	13,133
Mar 11, 2026 21:32	psep	CPPg++13.3.0	Error
Mar 11, 2026 20:45	Daniel Mastalerz	CPPclang++18.1.3	Success	5,348+5.58 RP
Mar 11, 2026 20:42	psep	CPPg++13.3.0	Error
Mar 11, 2026 20:40	psep	CPPg++13.3.0	Error
Mar 11, 2026 20:39	Daniel Mastalerz	CPPclang++18.1.3	Success	6,775
Mar 11, 2026 20:37	psep	CPPg++13.3.0	Error
Mar 11, 2026 20:34	psep	CPPg++13.3.0	Error
Mar 11, 2026 20:34	Daniel Mastalerz	CPPclang++18.1.3	Success	31,019
Mar 11, 2026 20:32	psep	CPPg++13.3.0	Error
Mar 11, 2026 20:31	Daniel Mastalerz	CPPclang++18.1.3	Success	6,013
Mar 11, 2026 20:29	Daniel Mastalerz	CPPclang++18.1.3	Success	24,510
Mar 11, 2026 20:28	psep	CPPg++13.3.0	Success	12,057
Mar 11, 2026 20:22	Daniel Mastalerz	CPPclang++18.1.3	Success	7,993
Mar 11, 2026 20:20	Daniel Mastalerz	CPPclang++18.1.3	Success	8,893
Mar 11, 2026 20:14	Daniel Mastalerz	CPPclang++18.1.3	Error
Mar 11, 2026 20:08	Daniel Mastalerz	CPPclang++18.1.3	Success	5,520
Mar 11, 2026 20:03	Daniel Mastalerz	CPPclang++18.1.3	Success	6,530
Mar 11, 2026 20:00	Daniel Mastalerz	CPPclang++18.1.3	Success	5,564
Mar 11, 2026 20:00	Daniel Mastalerz	CPPclang++18.1.3	Error
Mar 11, 2026 19:50	psep	CPPg++13.3.0	Error
Mar 11, 2026 19:47	psep	CPPg++13.3.0	Success	82,292
Mar 11, 2026 19:45	psep	CPPg++13.3.0	Error
Mar 11, 2026 19:41	psep	CPPg++13.3.0	Error
Mar 11, 2026 19:39	psep	CPPg++13.3.0	Error
Mar 11, 2026 19:37	psep	CPPg++13.3.0	Error
Mar 11, 2026 19:33	psep	CPPg++13.3.0	Success	12,061
Mar 11, 2026 19:31	psep	CPPg++13.3.0	Success	14,604
Mar 11, 2026 19:28	psep	CPPg++13.3.0	Error
Mar 11, 2026 19:15	psep	CPPg++13.3.0	Success	11,900+596.58 RP

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