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
Aug 27, 2026 01:58	Victor Mercklé	CPPg++14.2.0	Success	3,909
Aug 27, 2026 01:55	Victor Mercklé	CPPg++14.2.0	Success	3,980
Aug 27, 2026 01:50	Victor Mercklé	CPPg++14.2.0	Success	4,337
Aug 27, 2026 01:49	Victor Mercklé	CPPg++14.2.0	Success	4,297
Aug 27, 2026 01:49	Victor Mercklé	CPPg++14.2.0	Success	3,786
Aug 27, 2026 01:48	Victor Mercklé	CPPg++14.2.0	Success	4,401
Aug 27, 2026 01:48	Victor Mercklé	CPPg++14.2.0	Success	9,801
Aug 27, 2026 01:47	Victor Mercklé	CPPg++14.2.0	Success	7,981
Aug 27, 2026 01:47	Victor Mercklé	CPPg++14.2.0	Success	4,698
Aug 27, 2026 01:45	Victor Mercklé	CPPg++14.2.0	Success	8,856
Aug 27, 2026 01:39	Victor Mercklé	CPPg++14.2.0	Success	4,296
Aug 27, 2026 01:37	Victor Mercklé	CPPg++14.2.0	Success	3,774
Aug 27, 2026 01:36	Victor Mercklé	CPPg++14.2.0	Success	4,558
Aug 27, 2026 01:33	Victor Mercklé	CPPg++14.2.0	Success	4,533
Aug 27, 2026 01:33	Victor Mercklé	CPPg++14.2.0	Success	9,446
Aug 27, 2026 01:26	Victor Mercklé	CPPg++14.2.0	Success	5,319
Aug 27, 2026 01:22	Victor Mercklé	CPPg++14.2.0	Success	3,775
Aug 27, 2026 01:20	Victor Mercklé	CPPg++14.2.0	Success	3,755
Aug 27, 2026 01:17	Victor Mercklé	CPPg++14.2.0	Success	3,839
Aug 27, 2026 01:12	Victor Mercklé	CPPg++14.2.0	Success	3,836
Aug 27, 2026 01:11	Victor Mercklé	CPPg++14.2.0	Success	4,242
Aug 27, 2026 00:53	Victor Mercklé	CPPg++14.2.0	Success	4,140
Aug 27, 2026 00:51	Victor Mercklé	CPPg++14.2.0	Success	4,276
Aug 27, 2026 00:42	Victor Mercklé	CPPg++14.2.0	Success	4,353
Aug 27, 2026 00:35	Victor Mercklé	CPPg++14.2.0	Success	4,275
Aug 27, 2026 00:34	Victor Mercklé	CPPg++14.2.0	Success	4,872
Aug 27, 2026 00:31	Victor Mercklé	CPPg++14.2.0	Success	5,342
Aug 27, 2026 00:22	Victor Mercklé	CPPg++14.2.0	Success	4,358
Aug 27, 2026 00:20	Victor Mercklé	CPPg++14.2.0	Success	4,134
Aug 27, 2026 00:10	Victor Mercklé	CPPg++14.2.0	Success	3,956
Aug 26, 2026 23:59	Victor Mercklé	CPPg++14.2.0	Success	4,825
Aug 26, 2026 23:55	Victor Mercklé	CPPg++14.2.0	Success	4,715
Aug 26, 2026 23:44	Victor Mercklé	CPPg++14.2.0	Success	5,301
Aug 26, 2026 23:28	Victor Mercklé	CPPg++14.2.0	Success	4,140
Aug 26, 2026 23:26	Victor Mercklé	CPPg++14.2.0	Success	3,848
Aug 26, 2026 23:26	Victor Mercklé	CPPg++14.2.0	Success	3,804
Aug 26, 2026 23:22	Victor Mercklé	CPPg++14.2.0	Success	4,663
Aug 26, 2026 23:19	Victor Mercklé	CPPg++14.2.0	Success	3,807
Aug 26, 2026 23:14	Victor Mercklé	CPPg++14.2.0	Success	3,812
Aug 26, 2026 23:12	Victor Mercklé	CPPg++14.2.0	Success	3,879
Aug 26, 2026 23:09	Victor Mercklé	CPPg++14.2.0	Success	3,797
Aug 26, 2026 23:08	Victor Mercklé	CPPg++14.2.0	Success	23,152
Aug 26, 2026 23:07	Victor Mercklé	CPPg++14.2.0	Success	3,938
Aug 26, 2026 23:05	Victor Mercklé	CPPg++14.2.0	Success	3,926
Aug 26, 2026 23:04	Victor Mercklé	CPPg++14.2.0	Success	3,849
Aug 26, 2026 23:04	Victor Mercklé	CPPg++14.2.0	Success	3,788
Aug 26, 2026 23:00	Victor Mercklé	CPPg++14.2.0	Success	10,079
Aug 26, 2026 22:57	Victor Mercklé	CPPg++14.2.0	Success	14,177
Aug 26, 2026 22:51	Victor Mercklé	CPPg++14.2.0	Success	9,370
Aug 26, 2026 22:38	Victor Mercklé	CPPg++14.2.0	Success	3,795
Aug 26, 2026 22:34	Victor Mercklé	CPPg++14.2.0	Success	4,106
Aug 26, 2026 22:22	Victor Mercklé	CPPg++14.2.0	Success	17,976
Aug 26, 2026 22:21	Victor Mercklé	CPPg++14.2.0	Success	4,355
Aug 26, 2026 22:20	Victor Mercklé	CPPg++14.2.0	Success	4,818
Aug 26, 2026 22:15	Victor Mercklé	CPPg++14.2.0	Success	3,776
Aug 26, 2026 22:09	Victor Mercklé	CPPg++14.2.0	Success	4,291
Aug 26, 2026 22:03	Victor Mercklé	CPPg++14.2.0	Success	4,639
Aug 26, 2026 21:58	Victor Mercklé	CPPg++14.2.0	Success	10,311
Aug 26, 2026 21:53	Victor Mercklé	CPPg++14.2.0	Success	3,854
Aug 26, 2026 21:47	Victor Mercklé	CPPg++14.2.0	Success	4,021
Aug 26, 2026 21:44	Victor Mercklé	CPPg++14.2.0	Success	3,784
Aug 26, 2026 21:44	Victor Mercklé	CPPg++14.2.0	Success	6,403
Aug 26, 2026 21:40	Victor Mercklé	CPPg++14.2.0	Success	7,153
Aug 26, 2026 21:33	Victor Mercklé	CPPg++14.2.0	Success	3,789
Aug 26, 2026 21:28	Victor Mercklé	CPPg++14.2.0	Success	3,971
Aug 26, 2026 21:22	Victor Mercklé	CPPg++14.2.0	Success	3,811
Aug 26, 2026 21:10	Victor Mercklé	CPPg++14.2.0	Success	7,029
Aug 26, 2026 21:10	Victor Mercklé	CPPg++14.2.0	Success	4,840
Aug 26, 2026 21:08	Victor Mercklé	CPPg++14.2.0	Success	7,447
Aug 26, 2026 21:07	Victor Mercklé	CPPg++14.2.0	Success	4,093
Aug 26, 2026 21:05	Victor Mercklé	CPPg++14.2.0	Success	4,295
Aug 26, 2026 21:02	Victor Mercklé	CPPg++14.2.0	Success	4,046
Aug 26, 2026 20:57	Victor Mercklé	CPPg++14.2.0	Success	4,124
Aug 26, 2026 20:52	Victor Mercklé	CPPg++14.2.0	Success	7,593
Aug 26, 2026 20:51	Victor Mercklé	CPPg++14.2.0	Success	7,041
Aug 26, 2026 20:51	Victor Mercklé	CPPg++14.2.0	Success	4,073
Aug 26, 2026 20:49	Victor Mercklé	CPPg++14.2.0	Success	7,077
Aug 26, 2026 20:48	Victor Mercklé	CPPg++14.2.0	Success	7,119
Aug 26, 2026 20:46	Victor Mercklé	CPPg++14.2.0	Success	7,298
Aug 26, 2026 20:44	Victor Mercklé	CPPg++14.2.0	Success	7,069
Aug 26, 2026 20:43	Victor Mercklé	CPPg++14.2.0	Success	7,081
Aug 26, 2026 20:42	Victor Mercklé	CPPg++14.2.0	Success	7,644
Aug 26, 2026 20:40	Victor Mercklé	CPPg++14.2.0	Success	7,319
Aug 26, 2026 20:40	Victor Mercklé	CPPg++14.2.0	Success	7,490
Aug 26, 2026 20:39	Victor Mercklé	CPPg++14.2.0	Success	3,838
Aug 26, 2026 20:39	Victor Mercklé	CPPg++14.2.0	Success	7,670
Aug 26, 2026 20:00	Victor Mercklé	CPPg++14.2.0	Success	3,837
Aug 26, 2026 19:55	Victor Mercklé	CPPg++14.2.0	Success	3,805
Aug 26, 2026 19:52	Victor Mercklé	CPPg++14.2.0	Success	4,320
Aug 26, 2026 19:50	Victor Mercklé	CPPg++14.2.0	Success	3,800
Aug 26, 2026 19:42	Victor Mercklé	CPPg++14.2.0	Success	3,808
Aug 26, 2026 19:16	Victor Mercklé	CPPg++14.2.0	Success	4,505
Aug 26, 2026 19:12	Victor Mercklé	CPPg++14.2.0	Success	3,791
Aug 26, 2026 19:06	Victor Mercklé	CPPg++14.2.0	Success	3,974
Aug 26, 2026 18:50	Victor Mercklé	CPPg++14.2.0	Success	3,796
Aug 26, 2026 18:27	Victor Mercklé	CPPg++14.2.0	Success	4,083
Aug 26, 2026 18:08	Victor Mercklé	CPPg++14.2.0	Success	7,056
Aug 26, 2026 16:57	Victor Mercklé	CPPg++14.2.0	Success	3,785
Aug 26, 2026 16:49	Victor Mercklé	CPPg++14.2.0	Success	3,923
Aug 26, 2026 16:47	Victor Mercklé	CPPg++14.2.0	Success	5,457

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