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 18, 2026 00:05	Elijah Kin	CPPclang++18.1.3	Success	68,994
Mar 17, 2026 23:46	Sergey Serebryakov	CPPg++13.3.0	Success	101,372
Mar 17, 2026 23:42	shartgepetto	CPPclang++18.1.3	Error
Mar 17, 2026 23:42	shartgepetto	CPPclang++18.1.3	Success	9,168
Mar 17, 2026 23:42	shartgepetto	CPPclang++18.1.3	Success	9,167
Mar 17, 2026 23:22	Sergey Serebryakov	CPPg++13.3.0	Success	10,341
Mar 17, 2026 23:21	Sergey Serebryakov	CPPclang++18.1.3	Error
Mar 17, 2026 23:02	zielaj	CPPclang++18.1.3	Success	3,510
Mar 17, 2026 23:02	zielaj	CPPclang++18.1.3	Success	3,531
Mar 17, 2026 22:54	Sergey Serebryakov	CPPclang++18.1.3	Success	8,127
Mar 17, 2026 22:47	Sergey Serebryakov	CPPclang++18.1.3	Success	6,846+39.04 RP
Mar 17, 2026 22:47	Sergey Serebryakov	CPPclang++18.1.3	Success	7,778
Mar 17, 2026 22:43	zielaj	CPPclang++18.1.3	Success	3,518
Mar 17, 2026 22:42	zielaj	CPPclang++18.1.3	Error
Mar 17, 2026 22:41	zielaj	CPPclang++18.1.3	Error
Mar 17, 2026 22:39	zielaj	CPPclang++18.1.3	Error
Mar 17, 2026 22:38	Sergey Serebryakov	CPPg++13.3.0	Success	7,460
Mar 17, 2026 22:38	zielaj	CPPclang++18.1.3	Error
Mar 17, 2026 22:36	zielaj	CPPclang++18.1.3	Error
Mar 17, 2026 22:35	zielaj	CPPclang++18.1.3	Error
Mar 17, 2026 22:35	zielaj	CPPclang++18.1.3	Error
Mar 17, 2026 22:35	Sergey Serebryakov	CPPg++13.3.0	Success	7,295
Mar 17, 2026 22:33	zielaj	CPPclang++18.1.3	Error
Mar 17, 2026 22:32	Sergey Serebryakov	CPPg++13.3.0	Success	7,136
Mar 17, 2026 22:31	zielaj	CPPclang++18.1.3	Error
Mar 17, 2026 22:30	zielaj	CPPclang++18.1.3	Error
Mar 17, 2026 22:30	Sergey Serebryakov	CPPg++13.3.0	Success	7,328
Mar 17, 2026 22:27	zielaj	CPPclang++18.1.3	Error
Mar 17, 2026 22:25	zielaj	CPPclang++18.1.3	Error
Mar 17, 2026 21:29	Adam Folwarczny	CPPg++13.3.0	Success	31,032
Mar 17, 2026 21:18	Adam Folwarczny	CPPg++13.3.0	Success	19,251
Mar 17, 2026 20:59	Sergey Serebryakov	CPPg++13.3.0	Success	7,618
Mar 17, 2026 20:57	Sergey Serebryakov	CPPg++13.3.0	Success	7,034+1.62 RP
Mar 17, 2026 20:56	Sergey Serebryakov	CPPg++13.3.0	Success	8,293
Mar 17, 2026 20:56	Sergey Serebryakov	CPPg++13.3.0	Success	10,287
Mar 17, 2026 20:56	Sergey Serebryakov	CPPg++13.3.0	Success	7,042+0.81 RP
Mar 17, 2026 19:50	wn	CPPclang++18.1.3	Success	4,384
Mar 17, 2026 19:39	wn	CPPclang++18.1.3	Success	4,282
Mar 17, 2026 19:36	wn	CPPclang++18.1.3	Success	4,320
Mar 17, 2026 19:34	wn	CPPclang++18.1.3	Success	4,441
Mar 17, 2026 19:28	wn	CPPclang++18.1.3	Success	4,343
Mar 17, 2026 19:27	wn	CPPclang++18.1.3	Success	4,366
Mar 17, 2026 19:22	wn	CPPclang++18.1.3	Success	4,845
Mar 17, 2026 19:20	wn	CPPclang++18.1.3	Success	4,525
Mar 17, 2026 19:17	wn	CPPclang++18.1.3	Success	4,267
Mar 17, 2026 19:04	wn	CPPclang++18.1.3	Success	4,349
Mar 17, 2026 19:00	wn	CPPclang++18.1.3	Success	4,291
Mar 17, 2026 18:51	caando	CPPg++13.3.0	Error
Mar 17, 2026 18:50	caando	CPPg++13.3.0	Success	12,363
Mar 17, 2026 18:39	caando	CPPg++13.3.0	Success	12,488
Mar 17, 2026 18:36	caando	CPPg++13.3.0	Success	11,616
Mar 17, 2026 18:34	caando	CPPg++13.3.0	Error
Mar 17, 2026 18:34	Sergey Serebryakov	CPPg++13.3.0	Success	7,099
Mar 17, 2026 18:33	Sergey Serebryakov	CPPg++13.3.0	Success	7,127
Mar 17, 2026 18:32	caando	CPPg++13.3.0	Success	14,437
Mar 17, 2026 18:32	Sergey Serebryakov	CPPg++13.3.0	Success	7,263
Mar 17, 2026 18:28	Sergey Serebryakov	CPPg++13.3.0	Success	8,170
Mar 17, 2026 18:24	Mikołaj Uzarski	CPPclang++18.1.3	Success	5,230
Mar 17, 2026 18:24	Mikołaj Uzarski	CPPclang++18.1.3	Error
Mar 17, 2026 18:22	Mikołaj Uzarski	CPPclang++18.1.3	Success	5,210
Mar 17, 2026 17:35	Sergey Serebryakov	CPPg++13.3.0	Success	7,204
Mar 17, 2026 17:32	Sergey Serebryakov	CPPg++13.3.0	Success	7,189
Mar 17, 2026 17:23	Sergey Serebryakov	CPPg++13.3.0	Success	7,054
Mar 17, 2026 17:13	Sergey Serebryakov	CPPg++13.3.0	Success	7,063
Mar 17, 2026 17:00	caando	CPPg++13.3.0	Success	5,173
Mar 17, 2026 16:59	caando	CPPg++13.3.0	Success	5,303
Mar 17, 2026 16:56	caando	CPPg++13.3.0	Success	5,215
Mar 17, 2026 16:54	caando	CPPg++13.3.0	Success	5,188
Mar 17, 2026 16:52	caando	CPPg++13.3.0	Success	5,105
Mar 17, 2026 16:49	caando	CPPg++13.3.0	Success	4,722
Mar 17, 2026 16:49	Sergey Serebryakov	CPPg++13.3.0	Success	9,304
Mar 17, 2026 16:48	Sergey Serebryakov	CPPg++13.3.0	Success	9,306
Mar 17, 2026 16:44	caando	CPPg++13.3.0	Success	5,128
Mar 17, 2026 16:38	caando	CPPg++13.3.0	Success	4,896
Mar 17, 2026 16:36	shartgepetto	CPPclang++18.1.3	Success	7,235
Mar 17, 2026 16:35	shartgepetto	CPPclang++18.1.3	Success	7,223+7.62 RP
Mar 17, 2026 16:27	caando	CPPg++13.3.0	Success	4,891
Mar 17, 2026 16:26	caando	CPPg++13.3.0	Success	4,941
Mar 17, 2026 16:25	caando	CPPg++13.3.0	Error
Mar 17, 2026 16:20	caando	CPPg++13.3.0	Success	5,103
Mar 17, 2026 16:13	caando	CPPg++13.3.0	Success	5,141
Mar 17, 2026 16:11	Mikołaj Uzarski	CPPclang++18.1.3	Success	5,112
Mar 17, 2026 16:11	Mikołaj Uzarski	CPPclang++18.1.3	Success	5,132
Mar 17, 2026 16:09	shartgepetto	CPPclang++18.1.3	Success	7,384
Mar 17, 2026 16:09	shartgepetto	CPPclang++18.1.3	Success	7,413
Mar 17, 2026 16:09	shartgepetto	CPPclang++18.1.3	Success	7,436
Mar 17, 2026 15:55	shartgepetto	CPPclang++18.1.3	Success	7,271
Mar 17, 2026 15:55	shartgepetto	CPPclang++18.1.3	Success	7,271
Mar 17, 2026 15:55	shartgepetto	CPPclang++18.1.3	Success	8,680
Mar 17, 2026 15:36	shartgepetto	CPPclang++18.1.3	Success	7,407
Mar 17, 2026 15:36	shartgepetto	CPPclang++18.1.3	Success	7,360
Mar 17, 2026 15:36	shartgepetto	CPPclang++18.1.3	Success	7,561
Mar 17, 2026 15:20	shartgepetto	CPPclang++18.1.3	Success	9,603
Mar 17, 2026 15:20	wn	CPPclang++18.1.3	Success	4,283
Mar 17, 2026 15:20	shartgepetto	CPPclang++18.1.3	Success	10,784
Mar 17, 2026 15:20	shartgepetto	CPPclang++18.1.3	Success	11,750
Mar 17, 2026 15:16	wn	CPPclang++18.1.3	Success	4,261
Mar 17, 2026 15:06	caando	CPPg++13.3.0	Success	5,795
Mar 17, 2026 15:02	caando	CPPg++13.3.0	Success	5,100
Mar 17, 2026 15:02	wn	CPPclang++18.1.3	Success	4,281

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