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
Feb 18, 2026 19:21	Mikołaj Uzarski	CPPclang++18.1.3	Success	5,811
Feb 18, 2026 19:19	Mikołaj Uzarski	CPPclang++18.1.3	Success	5,887
Feb 18, 2026 19:18	wn	CPPclang++18.1.3	Success	7,387
Feb 18, 2026 19:16	Juraj Zelman	RUSTrust-1.93.1	Success	9,433+132.29 RP
Feb 18, 2026 19:16	Daniel Mastalerz	CPPclang++18.1.3	Success	6,261
Feb 18, 2026 19:13	wn	CPPclang++18.1.3	Success	7,202
Feb 18, 2026 19:10	Mikołaj Uzarski	CPPclang++18.1.3	Success	5,816
Feb 18, 2026 19:10	wn	CPPclang++18.1.3	Success	7,039
Feb 18, 2026 19:08	wn	CPPclang++18.1.3	Success	7,128
Feb 18, 2026 19:08	Mikołaj Uzarski	CPPclang++18.1.3	Success	5,824
Feb 18, 2026 19:07	wn	CPPclang++18.1.3	Success	18,238
Feb 18, 2026 19:03	Mikołaj Uzarski	CPPclang++18.1.3	Success	5,781+0.90 RP
Feb 18, 2026 19:02	Daniel Mastalerz	CPPclang++18.1.3	Error
Feb 18, 2026 19:02	Daniel Mastalerz	CPPclang++18.1.3	Error
Feb 18, 2026 18:58	Daniel Mastalerz	CPPclang++18.1.3	Error
Feb 18, 2026 18:58	Mikołaj Uzarski	CPPclang++18.1.3	Success	5,827
Feb 18, 2026 18:58	Daniel Mastalerz	CPPclang++18.1.3	Error
Feb 18, 2026 18:53	Daniel Mastalerz	CPPclang++18.1.3	Success	6,434
Feb 18, 2026 18:53	wn	CPPclang++18.1.3	Success	86,384
Feb 18, 2026 18:52	Daniel Mastalerz	CPPclang++18.1.3	Error
Feb 18, 2026 18:47	wn	CPPclang++18.1.3	Success	87,615
Feb 18, 2026 18:45	wn	CPPclang++18.1.3	Success	7,202
Feb 18, 2026 18:40	wn	CPPclang++18.1.3	Success	7,159
Feb 18, 2026 18:39	wn	CPPclang++18.1.3	Success	7,379
Feb 18, 2026 18:38	wn	CPPclang++18.1.3	Success	13,707
Feb 18, 2026 18:32	wn	CPPclang++18.1.3	Success	7,392
Feb 18, 2026 18:31	wn	CPPclang++18.1.3	Success	7,503
Feb 18, 2026 18:27	wn	CPPclang++18.1.3	Success	7,396
Feb 18, 2026 18:27	wn	CPPclang++18.1.3	Success	7,368
Feb 18, 2026 18:25	wn	CPPclang++18.1.3	Success	7,502
Feb 18, 2026 18:24	wn	CPPclang++18.1.3	Success	7,568
Feb 18, 2026 18:23	wn	CPPclang++18.1.3	Success	7,491
Feb 18, 2026 18:23	wn	CPPclang++18.1.3	Success	7,605
Feb 18, 2026 18:22	wn	CPPclang++18.1.3	Success	7,614
Feb 18, 2026 18:20	wn	CPPclang++18.1.3	Success	7,460
Feb 18, 2026 18:15	CheckHarry	CPPg++13.3.0	Success	77,282
Feb 18, 2026 18:14	Daniel Mastalerz	CPPclang++18.1.3	Success	6,382
Feb 18, 2026 18:10	Daniel Mastalerz	CPPclang++18.1.3	Success	6,447
Feb 18, 2026 17:50	Daniel Mastalerz	CPPclang++18.1.3	Error
Feb 18, 2026 17:47	Daniel Mastalerz	CPPclang++18.1.3	Error
Feb 18, 2026 17:40	Daniel Mastalerz	CPPclang++18.1.3	Error
Feb 18, 2026 17:36	Daniel Mastalerz	CPPclang++18.1.3	Success	6,389
Feb 18, 2026 17:31	Daniel Mastalerz	CPPclang++18.1.3	Success	7,087
Feb 18, 2026 17:28	wn	CPPclang++18.1.3	Success	7,504
Feb 18, 2026 17:28	wn	CPPclang++18.1.3	Success	7,517
Feb 18, 2026 17:27	wn	CPPclang++18.1.3	Success	7,478
Feb 18, 2026 17:27	wn	CPPclang++18.1.3	Success	7,618
Feb 18, 2026 16:39	wn	CPPclang++18.1.3	Success	10,311
Feb 18, 2026 15:47	wn	CPPclang++18.1.3	Success	6,875+44.31 RP
Feb 18, 2026 15:46	wn	CPPclang++18.1.3	Success	7,340
Feb 18, 2026 15:43	wn	CPPclang++18.1.3	Success	7,927
Feb 18, 2026 15:37	wn	CPPclang++18.1.3	Success	7,430
Feb 18, 2026 15:28	wn	CPPclang++18.1.3	Success	7,177
Feb 18, 2026 15:27	wn	CPPclang++18.1.3	Success	7,388
Feb 18, 2026 15:27	wn	CPPclang++18.1.3	Success	7,383
Feb 18, 2026 15:26	wn	CPPclang++18.1.3	Success	7,359
Feb 18, 2026 15:26	wn	CPPclang++18.1.3	Success	7,394
Feb 18, 2026 15:25	wn	CPPclang++18.1.3	Success	7,365
Feb 18, 2026 15:19	wn	CPPclang++18.1.3	Success	7,685
Feb 18, 2026 15:15	wn	CPPclang++18.1.3	Success	8,168
Feb 18, 2026 14:18	wn	CPPclang++18.1.3	Error
Feb 18, 2026 13:55	wn	CPPclang++18.1.3	Success	7,101
Feb 18, 2026 13:54	wn	CPPclang++18.1.3	Success	7,101
Feb 18, 2026 13:33	wn	CPPclang++18.1.3	Success	7,207
Feb 18, 2026 12:10	wn	CPPclang++18.1.3	Success	7,249
Feb 18, 2026 12:06	wn	CPPclang++18.1.3	Success	7,333
Feb 18, 2026 12:05	wn	CPPclang++18.1.3	Success	7,248
Feb 18, 2026 11:53	wn	CPPclang++18.1.3	Success	7,449
Feb 18, 2026 11:51	wn	CPPclang++18.1.3	Success	7,711
Feb 18, 2026 11:49	wn	CPPclang++18.1.3	Success	7,147
Feb 18, 2026 11:48	wn	CPPclang++18.1.3	Success	7,396
Feb 18, 2026 11:39	wn	CPPclang++18.1.3	Success	7,273
Feb 18, 2026 11:32	wn	CPPclang++18.1.3	Success	7,176
Feb 18, 2026 11:31	wn	CPPclang++18.1.3	Success	7,132
Feb 18, 2026 10:55	CheckHarry	CPPg++13.3.0	Success	36,723+48.18 RP
Feb 18, 2026 10:22	CheckHarry	CPPg++13.3.0	Success	57,259
Feb 18, 2026 10:21	wn	CPPclang++18.1.3	Success	7,222
Feb 18, 2026 10:15	wn	CPPclang++18.1.3	Success	7,228
Feb 18, 2026 10:14	wn	CPPclang++18.1.3	Success	7,177
Feb 18, 2026 10:14	wn	CPPclang++18.1.3	Error
Feb 18, 2026 10:13	wn	CPPclang++18.1.3	Success	7,243
Feb 18, 2026 10:12	wn	CPPclang++18.1.3	Success	7,256
Feb 18, 2026 10:12	wn	CPPclang++18.1.3	Success	7,217
Feb 18, 2026 10:11	wn	CPPclang++18.1.3	Success	7,142
Feb 18, 2026 10:10	wn	CPPclang++18.1.3	Success	7,150
Feb 18, 2026 10:10	wn	CPPclang++18.1.3	Success	7,132
Feb 18, 2026 10:06	wn	CPPclang++18.1.3	Success	7,254
Feb 18, 2026 10:03	wn	CPPclang++18.1.3	Success	7,186
Feb 18, 2026 10:03	wn	CPPclang++18.1.3	Success	7,259
Feb 18, 2026 10:02	wn	CPPclang++18.1.3	Success	7,258
Feb 18, 2026 10:01	wn	CPPclang++18.1.3	Success	8,399
Feb 18, 2026 10:00	wn	CPPclang++18.1.3	Success	7,255
Feb 18, 2026 10:00	wn	CPPclang++18.1.3	Error
Feb 18, 2026 09:58	wn	CPPclang++18.1.3	Success	7,091+9.29 RP
Feb 18, 2026 09:57	wn	CPPclang++18.1.3	Success	7,217
Feb 18, 2026 09:57	wn	CPPclang++18.1.3	Success	7,138+6.84 RP
Feb 18, 2026 09:57	wn	CPPclang++18.1.3	Success	7,202
Feb 18, 2026 09:57	CheckHarry	CPPg++13.3.0	Success	82,969
Feb 18, 2026 09:56	wn	CPPclang++18.1.3	Success	7,267
Feb 18, 2026 09:56	wn	CPPclang++18.1.3	Error

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