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 26, 2026 16:30	Victor Mercklé	CPPg++14.2.0	Success	3,806
Aug 26, 2026 04:57	Victor Mercklé	CPPg++14.2.0	Success	4,268
Aug 26, 2026 04:54	Victor Mercklé	CPPg++14.2.0	Success	4,195
Aug 26, 2026 04:08	Victor Mercklé	CPPg++14.2.0	Success	3,796
Aug 26, 2026 04:07	Victor Mercklé	CPPg++14.2.0	Success	3,929
Aug 26, 2026 04:04	Victor Mercklé	CPPg++14.2.0	Success	3,914
Aug 26, 2026 04:02	Victor Mercklé	CPPg++14.2.0	Success	4,277
Aug 26, 2026 03:50	Victor Mercklé	CPPg++14.2.0	Success	3,799
Aug 26, 2026 03:13	Victor Mercklé	CPPg++14.2.0	Success	4,990
Aug 26, 2026 01:45	Victor Mercklé	CPPg++14.2.0	Success	3,858
Aug 26, 2026 00:58	Victor Mercklé	CPPg++14.2.0	Success	3,808
Aug 26, 2026 00:47	Victor Mercklé	CPPg++14.2.0	Success	9,336
Aug 26, 2026 00:46	Victor Mercklé	CPPg++14.2.0	Success	8,555
Aug 26, 2026 00:38	Victor Mercklé	CPPg++14.2.0	Success	4,307
Aug 25, 2026 23:32	Victor Mercklé	CPPg++14.2.0	Success	4,171
Aug 25, 2026 23:00	Victor Mercklé	CPPg++14.2.0	Success	4,745
Aug 25, 2026 22:53	Victor Mercklé	CPPg++14.2.0	Success	3,775
Aug 25, 2026 22:50	Victor Mercklé	CPPg++14.2.0	Success	4,644
Aug 25, 2026 22:40	Victor Mercklé	CPPg++14.2.0	Success	5,106
Aug 25, 2026 21:37	Victor Mercklé	CPPg++14.2.0	Success	5,480
Aug 25, 2026 17:15	Victor Mercklé	CPPg++14.2.0	Success	12,046
Aug 25, 2026 17:08	Victor Mercklé	CPPg++14.2.0	Success	11,229
Aug 25, 2026 17:06	Victor Mercklé	CPPg++14.2.0	Success	34,205
Aug 25, 2026 17:00	Victor Mercklé	CPPg++14.2.0	Success	26,596
Aug 25, 2026 16:59	Victor Mercklé	CPPg++14.2.0	Success	14,983
Aug 25, 2026 16:24	Victor Mercklé	CPPg++14.2.0	Success	10,358
Aug 25, 2026 16:21	Victor Mercklé	CPPg++14.2.0	Success	54,278
Aug 25, 2026 16:03	Victor Mercklé	CPPg++14.2.0	Success	7,673
Aug 25, 2026 15:57	Victor Mercklé	CPPg++14.2.0	Success	9,563
Aug 25, 2026 15:54	boop34	CPPg++14.2.0	Success	9,019
Aug 25, 2026 15:53	boop34	CPPg++10.5.0	Success	9,011+5.00 RP
Aug 25, 2026 15:43	Victor Mercklé	CPPg++14.2.0	Success	11,409
Aug 25, 2026 15:38	Victor Mercklé	CPPg++14.2.0	Success	8,663
Aug 25, 2026 15:33	Victor Mercklé	CPPg++14.2.0	Success	8,152
Aug 25, 2026 15:27	Victor Mercklé	CPPg++14.2.0	Success	10,856
Aug 25, 2026 15:20	Victor Mercklé	CPPg++14.2.0	Success	24,801
Aug 25, 2026 15:15	Victor Mercklé	CPPg++14.2.0	Success	7,381
Aug 25, 2026 15:12	Victor Mercklé	CPPg++14.2.0	Success	47,110
Aug 25, 2026 14:44	Victor Mercklé	CPPg++14.2.0	Success	4,396
Aug 25, 2026 14:42	Victor Mercklé	CPPg++14.2.0	Success	7,065
Aug 25, 2026 14:38	Victor Mercklé	CPPg++14.2.0	Success	7,137
Aug 25, 2026 14:32	Victor Mercklé	CPPg++14.2.0	Success	4,308
Aug 25, 2026 14:26	Victor Mercklé	CPPg++14.2.0	Success	4,208
Aug 25, 2026 14:22	Victor Mercklé	CPPg++14.2.0	Success	7,213
Aug 25, 2026 14:17	Victor Mercklé	CPPg++14.2.0	Success	4,429
Aug 25, 2026 14:17	Victor Mercklé	CPPg++14.2.0	Success	7,070
Aug 25, 2026 14:08	Victor Mercklé	CPPg++14.2.0	Success	3,954
Aug 25, 2026 14:05	Victor Mercklé	CPPg++14.2.0	Success	5,563
Aug 25, 2026 13:54	Victor Mercklé	CPPg++14.2.0	Success	6,809
Aug 25, 2026 13:45	Victor Mercklé	CPPg++14.2.0	Success	3,785
Aug 25, 2026 13:32	Victor Mercklé	CPPg++14.2.0	Success	11,601
Aug 25, 2026 13:25	Victor Mercklé	CPPg++14.2.0	Success	3,781
Aug 25, 2026 13:17	Victor Mercklé	CPPg++14.2.0	Success	7,459
Aug 25, 2026 13:13	Victor Mercklé	CPPg++14.2.0	Success	4,202
Aug 25, 2026 13:08	Victor Mercklé	CPPg++14.2.0	Success	3,814
Aug 25, 2026 13:00	Victor Mercklé	CPPg++14.2.0	Success	4,346
Aug 25, 2026 12:55	Victor Mercklé	CPPg++14.2.0	Success	4,548
Aug 25, 2026 12:46	Victor Mercklé	CPPg++14.2.0	Success	4,281
Aug 25, 2026 12:26	Victor Mercklé	CPPg++14.2.0	Success	9,292
Aug 25, 2026 12:16	Victor Mercklé	CPPg++14.2.0	Success	10,838
Aug 25, 2026 12:10	Victor Mercklé	CPPg++14.2.0	Success	16,669
Aug 25, 2026 11:53	Victor Mercklé	CPPg++14.2.0	Success	4,077
Aug 25, 2026 11:49	Victor Mercklé	CPPg++14.2.0	Success	3,777
Aug 25, 2026 11:40	Victor Mercklé	CPPg++14.2.0	Success	3,805
Aug 25, 2026 11:37	Victor Mercklé	CPPg++14.2.0	Success	7,332
Aug 25, 2026 11:22	Victor Mercklé	CPPg++14.2.0	Success	3,768
Aug 25, 2026 11:14	Victor Mercklé	CPPg++14.2.0	Success	3,787
Aug 25, 2026 11:06	Victor Mercklé	CPPg++14.2.0	Success	3,817
Aug 25, 2026 11:03	Victor Mercklé	CPPg++14.2.0	Success	3,790
Aug 25, 2026 11:01	Victor Mercklé	CPPg++14.2.0	Success	3,969
Aug 25, 2026 10:54	Victor Mercklé	CPPg++14.2.0	Success	12,609
Aug 25, 2026 10:46	Victor Mercklé	CPPg++14.2.0	Success	3,922
Aug 25, 2026 10:43	Victor Mercklé	CPPg++14.2.0	Success	6,182
Aug 25, 2026 10:36	Victor Mercklé	CPPg++14.2.0	Success	3,818
Aug 25, 2026 10:32	Victor Mercklé	CPPg++14.2.0	Success	3,767
Aug 25, 2026 03:47	Victor Mercklé	CPPg++14.2.0	Success	3,990
Aug 25, 2026 03:41	Victor Mercklé	CPPg++14.2.0	Success	4,411
Aug 25, 2026 03:36	Victor Mercklé	CPPg++14.2.0	Success	7,483
Aug 25, 2026 03:09	Victor Mercklé	CPPg++14.2.0	Success	9,028
Aug 25, 2026 03:01	Victor Mercklé	CPPg++14.2.0	Success	10,203
Aug 25, 2026 02:57	Victor Mercklé	CPPg++14.2.0	Success	10,060
Aug 25, 2026 02:55	Victor Mercklé	CPPg++14.2.0	Success	10,071
Aug 25, 2026 02:46	Victor Mercklé	CPPg++14.2.0	Success	9,893
Aug 25, 2026 02:40	Victor Mercklé	CPPg++14.2.0	Success	8,212
Aug 25, 2026 02:37	Victor Mercklé	CPPg++14.2.0	Success	9,062
Aug 25, 2026 02:32	Victor Mercklé	CPPg++14.2.0	Success	7,372
Aug 25, 2026 02:31	Victor Mercklé	CPPg++14.2.0	Success	7,156
Aug 25, 2026 02:29	Victor Mercklé	CPPg++14.2.0	Success	7,407
Aug 25, 2026 02:26	Victor Mercklé	CPPg++14.2.0	Success	7,039
Aug 25, 2026 02:22	Victor Mercklé	CPPg++14.2.0	Success	7,532
Aug 25, 2026 02:18	Victor Mercklé	CPPg++14.2.0	Success	8,730
Aug 25, 2026 02:13	Victor Mercklé	CPPg++14.2.0	Success	11,753
Aug 25, 2026 02:11	Victor Mercklé	CPPg++14.2.0	Success	14,581
Aug 25, 2026 02:00	Victor Mercklé	CPPg++14.2.0	Success	9,075
Aug 25, 2026 01:57	Victor Mercklé	CPPg++14.2.0	Success	9,214
Aug 25, 2026 01:56	Victor Mercklé	CPPg++14.2.0	Success	3,908
Aug 25, 2026 01:50	Victor Mercklé	CPPg++14.2.0	Success	4,087
Aug 25, 2026 01:48	Victor Mercklé	CPPg++14.2.0	Success	7,046
Aug 25, 2026 01:45	Victor Mercklé	CPPg++14.2.0	Success	3,887
Aug 25, 2026 01:42	Victor Mercklé	CPPg++14.2.0	Success	8,154

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