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
May 10, 2026 13:38	Josu San Martin	CPPclang++18.1.3	Success	4,233
May 10, 2026 13:38	wn	CPPg++13.3.0	Error	+2.80 RP
May 10, 2026 13:37	wn	CPPg++13.3.0	Success	3,373
May 10, 2026 13:34	Josu San Martin	CPPclang++18.1.3	Success	4,320
May 10, 2026 13:32	Josu San Martin	CPPclang++18.1.3	Success	4,356
May 10, 2026 13:27	wn	CPPg++13.3.0	Success	4,351
May 10, 2026 13:26	Josu San Martin	CPPclang++18.1.3	Success	4,646
May 10, 2026 13:24	wn	CPPg++13.3.0	Success	3,392
May 10, 2026 13:23	wn	CPPg++13.3.0	Success	3,418
May 10, 2026 13:18	Josu San Martin	CPPclang++18.1.3	Error
May 10, 2026 13:18	wn	CPPg++13.3.0	Error	+101.15 RP
May 10, 2026 13:18	wn	CPPg++13.3.0	Success	3,419
May 10, 2026 13:17	Josu San Martin	CPPclang++18.1.3	Error
May 10, 2026 13:16	wn	CPPg++13.3.0	Success	3,438
May 10, 2026 13:15	Josu San Martin	CPPclang++18.1.3	Error
May 10, 2026 13:14	wn	CPPg++13.3.0	Success	3,441
May 10, 2026 13:14	wn	CPPg++13.3.0	Success	3,415
May 10, 2026 13:12	wn	CPPg++13.3.0	Success	3,436
May 10, 2026 13:10	wn	CPPg++13.3.0	Success	3,437
May 10, 2026 13:09	Josu San Martin	CPPg++13.3.0	Success	65,840
May 10, 2026 13:07	wn	CPPg++13.3.0	Success	3,444
May 10, 2026 13:06	wn	CPPg++10.5.0	Success	3,724
May 10, 2026 11:37	wn	CPPg++13.3.0	Success	3,493
May 10, 2026 11:34	wn	CPPg++13.3.0	Success	3,497
May 10, 2026 11:32	wn	CPPg++13.3.0	Success	3,570
May 10, 2026 11:31	Josu San Martin	CPPclang++18.1.3	Success	4,128
May 10, 2026 11:27	Josu San Martin	CPPclang++18.1.3	Success	4,081
May 10, 2026 11:26	wn	CPPg++13.3.0	Success	3,402
May 10, 2026 11:24	wn	CPPg++13.3.0	Success	3,538
May 10, 2026 11:22	wn	CPPg++13.3.0	Success	3,560
May 10, 2026 11:20	wn	CPPg++13.3.0	Success	3,619
May 10, 2026 11:17	wn	CPPg++13.3.0	Success	11,607
May 10, 2026 11:15	Josu San Martin	CPPclang++18.1.3	Error
May 10, 2026 11:14	wn	CPPg++13.3.0	Success	3,540
May 10, 2026 11:12	wn	CPPg++13.3.0	Success	7,316
May 10, 2026 11:11	Josu San Martin	CPPclang++18.1.3	Error
May 10, 2026 11:08	Josu San Martin	CPPclang++18.1.3	Error
May 10, 2026 11:07	wn	CPPg++13.3.0	Success	3,438
May 10, 2026 11:05	wn	CPPg++13.3.0	Success	4,528
May 10, 2026 11:04	Josu San Martin	CPPclang++18.1.3	Error
May 10, 2026 11:01	wn	CPPg++13.3.0	Success	3,405
May 10, 2026 11:01	Josu San Martin	CPPclang++20.1.2	Success	4,080
May 10, 2026 10:59	wn	CPPg++13.3.0	Success	3,398
May 10, 2026 10:57	wn	CPPg++13.3.0	Success	3,657
May 10, 2026 10:55	wn	CPPg++13.3.0	Success	4,419
May 10, 2026 10:54	Josu San Martin	CPPclang++18.1.3	Success	4,091
May 10, 2026 10:53	wn	CPPg++13.3.0	Success	3,936
May 10, 2026 10:52	Josu San Martin	CPPclang++18.1.3	Error
May 10, 2026 10:50	Josu San Martin	CPPclang++18.1.3	Success	4,075+3.01 RP
May 10, 2026 10:48	Josu San Martin	CPPclang++19.1.1	Success	4,101
May 10, 2026 10:47	Josu San Martin	CPPclang++20.1.2	Success	4,100
May 10, 2026 10:44	Josu San Martin	CPPclang++18.1.3	Error
May 10, 2026 10:35	wn	CPPg++13.3.0	Success	3,559
May 10, 2026 10:32	wn	CPPg++13.3.0	Success	3,537
May 10, 2026 10:31	Josu San Martin	CPPclang++18.1.3	Error
May 10, 2026 10:29	wn	CPPg++13.3.0	Success	3,697
May 10, 2026 10:26	wn	CPPg++13.3.0	Success	3,485
May 10, 2026 10:24	wn	CPPg++13.3.0	Success	3,400
May 10, 2026 10:22	wn	CPPg++13.3.0	Success	3,507
May 10, 2026 10:21	wn	CPPg++13.3.0	Success	3,417
May 10, 2026 10:18	Josu San Martin	CPPclang++18.1.3	Error
May 10, 2026 10:17	wn	CPPg++13.3.0	Success	3,570
May 10, 2026 10:14	wn	CPPg++13.3.0	Success	3,395
May 10, 2026 10:12	wn	CPPg++14.2.0	Success	3,487
May 10, 2026 10:09	wn	CPPg++13.3.0	Success	3,437
May 10, 2026 10:08	Josu San Martin	CPPclang++18.1.3	Success	4,108
May 10, 2026 10:06	wn	CPPg++13.3.0	Success	3,555
May 10, 2026 10:04	Josu San Martin	CPPclang++18.1.3	Error
May 10, 2026 10:03	wn	CPPg++13.3.0	Success	3,413
May 10, 2026 10:01	wn	CPPg++13.3.0	Success	3,522
May 10, 2026 09:58	wn	CPPg++13.3.0	Success	3,544
May 10, 2026 09:54	wn	CPPg++13.3.0	Success	3,548
May 10, 2026 09:52	wn	CPPg++13.3.0	Success	3,600
May 10, 2026 09:49	wn	CPPg++13.3.0	Success	3,880
May 10, 2026 09:48	Josu San Martin	CPPclang++18.1.3	Success	4,255
May 10, 2026 09:27	Josu San Martin	CPPclang++18.1.3	Error
May 10, 2026 09:10	Josu San Martin	CPPg++13.3.0	Success	4,603
May 10, 2026 09:09	Josu San Martin	CPPclang++18.1.3	Error
May 10, 2026 09:06	Josu San Martin	CPPclang++18.1.3	Success	4,157
May 10, 2026 08:56	Josu San Martin	CPPclang++18.1.3	Error
May 10, 2026 08:55	Josu San Martin	CPPclang++18.1.3	Success	4,101
May 10, 2026 08:51	Josu San Martin	CPPclang++18.1.3	Error
May 10, 2026 08:49	Josu San Martin	CPPclang++18.1.3	Error
May 10, 2026 08:46	Josu San Martin	CPPclang++18.1.3	Success	4,107
May 10, 2026 08:45	Josu San Martin	CPPclang++18.1.3	Error
May 10, 2026 08:43	Josu San Martin	CPPclang++18.1.3	Error
May 10, 2026 08:41	Josu San Martin	CPPclang++18.1.3	Success	4,087
May 10, 2026 08:39	Josu San Martin	CPPclang++18.1.3	Error
May 10, 2026 08:34	Josu San Martin	CPPclang++18.1.3	Error
May 10, 2026 08:33	Josu San Martin	CPPclang++18.1.3	Error
May 10, 2026 08:32	Josu San Martin	CPPclang++18.1.3	Error
May 10, 2026 08:31	Josu San Martin	CPPclang++18.1.3	Error
May 10, 2026 08:30	Josu San Martin	CPPclang++18.1.3	Success	4,091
May 10, 2026 08:29	Josu San Martin	CPPclang++18.1.3	Error
May 10, 2026 08:28	Josu San Martin	CPPclang++18.1.3	Success	4,080+17.30 RP
May 10, 2026 08:15	Josu San Martin	CPPclang++18.1.3	Error
May 10, 2026 08:14	Josu San Martin	CPPclang++18.1.3	Success	4,160
May 10, 2026 08:13	Josu San Martin	CPPclang++18.1.3	Error
May 10, 2026 08:12	Josu San Martin	CPPclang++18.1.3	Success	4,116
May 10, 2026 08:11	Josu San Martin	CPPclang++18.1.3	Success	4,125

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