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
Dec 29, 2025 09:25	Aman \| अमन	CPPg++13.3.0	Success	75,382+113.37 RP
Dec 29, 2025 09:06	Aman \| अमन	CPPg++13.3.0	Success	521,539
Dec 29, 2025 09:06	Aman \| अमन	CPPg++13.3.0	Success	521,951
Dec 29, 2025 09:05	Aman \| अमन	CPPg++13.3.0	Success	521,042
Dec 29, 2025 09:04	Aman \| अमन	CPPg++13.3.0	Success	519,593
Dec 29, 2025 09:01	Aman \| अमन	CPPg++13.3.0	Success	518,453+0.20 RP
Dec 29, 2025 09:00	Aman \| अमन	CPPg++13.3.0	Success	524,060
Dec 29, 2025 08:59	Aman \| अमन	CPPg++13.3.0	Success	523,922
Dec 29, 2025 08:59	Aman \| अमन	CPPg++13.3.0	Success	524,301
Dec 29, 2025 08:57	Aman \| अमन	CPPg++13.3.0	Success	524,236
Dec 29, 2025 08:51	Aman \| अमन	CPPg++13.3.0	Success	523,949+14.14 RP
Dec 29, 2025 08:41	Aman \| अमन	CPPclang++18.1.3	Success	2,069,823
Dec 29, 2025 08:37	Aman \| अमन	CPPg++13.3.0	Error
Dec 29, 2025 07:50	Rajarshi Basu	CPPg++13.3.0	Success	6,024
Dec 29, 2025 06:58	Josu San Martin	CPPg++13.3.0	Success	30,555
Dec 29, 2025 06:55	Josu San Martin	CPPg++13.3.0	Success	30,119+5.20 RP
Dec 29, 2025 06:53	Josu San Martin	CPPclang++18.1.3	Success	33,940
Dec 29, 2025 06:53	Josu San Martin	CPPclang++18.1.3	Success	33,980
Dec 29, 2025 06:51	Josu San Martin	CPPg++13.3.0	Success	33,012
Dec 29, 2025 06:48	Josu San Martin	CPPg++13.3.0	Success	31,982
Dec 29, 2025 06:47	Josu San Martin	CPPg++13.3.0	Success	32,475
Dec 29, 2025 06:45	Josu San Martin	CPPg++13.3.0	Success	32,553
Dec 29, 2025 06:43	Josu San Martin	CPPg++13.3.0	Error
Dec 29, 2025 06:38	Josu San Martin	CPPg++13.3.0	Error
Dec 29, 2025 06:35	Josu San Martin	CPPclang++18.1.3	Success	33,794
Dec 29, 2025 06:34	Josu San Martin	CPPg++13.3.0	Success	32,403
Dec 29, 2025 06:31	Josu San Martin	CPPg++13.3.0	Success	31,937
Dec 29, 2025 06:30	Josu San Martin	CPPg++13.3.0	Success	32,896
Dec 29, 2025 06:29	Josu San Martin	CPPg++13.3.0	Error
Dec 29, 2025 06:25	Josu San Martin	CPPclang++18.1.3	Error
Dec 29, 2025 06:20	Josu San Martin	CPPg++13.3.0	Success	59,832
Dec 29, 2025 06:12	Josu San Martin	CPPg++13.3.0	Success	32,797
Dec 29, 2025 06:11	Josu San Martin	CPPg++13.3.0	Success	78,835
Dec 29, 2025 06:10	Josu San Martin	CPPg++13.3.0	Success	37,898
Dec 29, 2025 06:09	Josu San Martin	CPPg++13.3.0	Success	33,567
Dec 29, 2025 06:08	Josu San Martin	CPPg++13.3.0	Success	33,072
Dec 29, 2025 06:07	Josu San Martin	CPPg++13.3.0	Success	38,912
Dec 29, 2025 06:06	Josu San Martin	CPPg++13.3.0	Success	31,633
Dec 29, 2025 06:06	Josu San Martin	RUSTrust-1.92.0	Success	32,066
Dec 29, 2025 06:05	Josu San Martin	CPPg++13.3.0	Success	30,598+0.03 RP
Dec 29, 2025 05:50	Josu San Martin	CPPg++13.3.0	Success	32,885
Dec 29, 2025 05:50	Josu San Martin	CPPg++13.3.0	Success	32,858
Dec 29, 2025 05:35	Josu San Martin	CPPg++13.3.0	Error
Dec 29, 2025 05:31	Josu San Martin	RUSTrust-1.92.0	Success	30,769
Dec 29, 2025 05:29	Josu San Martin	RUSTrust-1.92.0	Success	38,192
Dec 29, 2025 05:28	Josu San Martin	CPPg++13.3.0	Success	30,601+3.88 RP
Dec 29, 2025 05:27	Josu San Martin	CPPclang++18.1.3	Success	33,228
Dec 29, 2025 05:25	Josu San Martin	CPPg++13.3.0	Success	31,195
Dec 29, 2025 05:08	Josu San Martin	RUSTrust-1.92.0	Success	30,969+9.87 RP
Dec 29, 2025 03:24	Josu San Martin	RUSTrust-1.92.0	Success	32,223
Dec 29, 2025 02:04	Josu San Martin	CPPg++13.3.0	Success	57,948
Dec 29, 2025 01:37	Josu San Martin	CPPg++13.3.0	Success	42,544
Dec 29, 2025 01:28	Josu San Martin	CPPg++13.3.0	Success	40,996
Dec 29, 2025 01:23	Josu San Martin	RUSTrust-1.92.0	Error
Dec 29, 2025 01:23	Josu San Martin	RUSTrust-1.92.0	Error
Dec 29, 2025 01:12	Josu San Martin	RUSTrust-1.92.0	Error
Dec 29, 2025 00:51	Josu San Martin	CPPg++13.3.0	Error
Dec 29, 2025 00:32	Josu San Martin	CPPclang++18.1.3	Success	48,297
Dec 29, 2025 00:31	Josu San Martin	CPPg++13.3.0	Success	41,431
Dec 29, 2025 00:25	Josu San Martin	CPPg++13.3.0	Error
Dec 29, 2025 00:03	Josu San Martin	RUSTrust-1.92.0	Success	35,023
Dec 29, 2025 00:02	Josu San Martin	RUSTrust-1.92.0	Success	38,245
Dec 29, 2025 00:02	Josu San Martin	RUSTrust-1.92.0	Success	38,707
Dec 29, 2025 00:02	Josu San Martin	RUSTrust-1.92.0	Success	36,466
Dec 28, 2025 23:53	Josu San Martin	RUSTrust-1.92.0	Success	32,077
Dec 28, 2025 23:50	Josu San Martin	CPPclang++18.1.3	Success	35,259
Dec 28, 2025 23:50	Josu San Martin	CPPclang++18.1.3	Success	34,833
Dec 28, 2025 23:50	Josu San Martin	CPPclang++18.1.3	Success	34,858
Dec 28, 2025 23:49	Josu San Martin	CPPclang++18.1.3	Success	33,818
Dec 28, 2025 23:49	Josu San Martin	CPPclang++18.1.3	Success	33,615
Dec 28, 2025 23:49	Josu San Martin	CPPclang++18.1.3	Success	35,225
Dec 28, 2025 23:49	Josu San Martin	CPPg++13.3.0	Success	38,607
Dec 28, 2025 23:49	Josu San Martin	CPPg++13.3.0	Success	36,855
Dec 28, 2025 23:48	Josu San Martin	CPPg++13.3.0	Success	39,402
Dec 28, 2025 23:48	Josu San Martin	CPPg++13.3.0	Success	33,787
Dec 28, 2025 23:26	Josu San Martin	RUSTrust-1.92.0	Success	33,543
Dec 28, 2025 23:26	Josu San Martin	CPPg++13.3.0	Success	33,099
Dec 28, 2025 23:26	Josu San Martin	CPPg++13.3.0	Success	32,911
Dec 28, 2025 23:25	Josu San Martin	CPPg++13.3.0	Success	32,912
Dec 28, 2025 23:25	Josu San Martin	CPPclang++18.1.3	Success	34,202
Dec 28, 2025 05:08	Josu San Martin	RUSTrust-1.92.0	Error
Dec 28, 2025 04:08	Josu San Martin	ZIG0.14.0	Success	69,304
Dec 28, 2025 03:43	Josu San Martin	RUSTrust-1.92.0	Success	43,865
Dec 28, 2025 03:43	Josu San Martin	ZIG0.14.0	Success	75,745
Dec 28, 2025 02:45	Josu San Martin	ZIG0.14.0	Success	66,864
Dec 28, 2025 02:42	Josu San Martin	RUSTrust-1.92.0	Success	32,019
Dec 28, 2025 02:40	Josu San Martin	RUSTrust-1.92.0	Success	49,303
Dec 28, 2025 02:37	Josu San Martin	RUSTrust-1.92.0	Success	37,897
Dec 28, 2025 02:35	Josu San Martin	ZIG0.14.0	Success	94,420
Dec 28, 2025 02:11	zypeh	GOgo1.25.5	Success	47,569+43.37 RP
Dec 28, 2025 01:46	Josu San Martin	RUSTrust-1.92.0	Error
Dec 27, 2025 22:37	Josu San Martin	RUSTrust-1.92.0	Error
Dec 27, 2025 22:17	Josu San Martin	RUSTrust-1.92.0	Success	57,143
Dec 27, 2025 22:16	Josu San Martin	RUSTrust-1.92.0	Success	31,945+0.39 RP
Dec 27, 2025 22:16	Josu San Martin	RUSTrust-1.92.0	Success	38,995
Dec 27, 2025 22:14	Josu San Martin	RUSTrust-1.92.0	Error
Dec 27, 2025 22:05	Josu San Martin	RUSTrust-1.92.0	Error
Dec 27, 2025 22:00	Josu San Martin	RUSTrust-1.92.0	Success	31,985+2.60 RP
Dec 27, 2025 21:45	Josu San Martin	RUSTrust-1.92.0	Success	34,722
Dec 27, 2025 21:40	Josu San Martin	RUSTrust-1.92.0	Error

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