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
Mar 29, 2026 21:19	zielaj	CPPclang++18.1.3	Error
Mar 29, 2026 21:17	zielaj	CPPclang++18.1.3	Error
Mar 29, 2026 21:17	zielaj	CPPclang++18.1.3	Error
Mar 29, 2026 21:16	zielaj	CPPclang++18.1.3	Error
Mar 29, 2026 21:13	zielaj	CPPclang++18.1.3	Error
Mar 29, 2026 21:10	Danylo Mocherniuk	CPPg++13.3.0	Success	6,683
Mar 29, 2026 21:10	Danylo Mocherniuk	CPPg++13.3.0	Success	6,670+6.27 RP
Mar 29, 2026 21:09	zielaj	CPPclang++18.1.3	Error
Mar 29, 2026 21:05	zielaj	CPPclang++18.1.3	Error
Mar 29, 2026 21:04	Danylo Mocherniuk	CPPg++13.3.0	Success	6,705
Mar 29, 2026 21:01	zielaj	CPPclang++18.1.3	Error
Mar 29, 2026 21:00	zielaj	CPPclang++18.1.3	Error
Mar 29, 2026 20:50	zielaj	CPPclang++18.1.3	Error
Mar 29, 2026 20:46	zielaj	CPPclang++18.1.3	Error
Mar 29, 2026 20:45	Danylo Mocherniuk	CPPg++13.3.0	Success	6,698+64.21 RP
Mar 29, 2026 20:30	Danylo Mocherniuk	CPPg++13.3.0	Error
Mar 29, 2026 20:28	zielaj	CPPclang++18.1.3	Error
Mar 29, 2026 20:23	Danylo Mocherniuk	CPPg++13.3.0	Success	7,003
Mar 29, 2026 20:18	Danylo Mocherniuk	CPPg++13.3.0	Success	6,999+148.04 RP
Mar 29, 2026 20:06	Danylo Mocherniuk	CPPg++13.3.0	Success	7,808+38.04 RP
Mar 29, 2026 20:01	Danylo Mocherniuk	CPPg++13.3.0	Success	8,047+22.00 RP
Mar 29, 2026 19:57	Danylo Mocherniuk	CPPg++13.3.0	Success	8,192+16.46 RP
Mar 29, 2026 19:53	Danylo Mocherniuk	CPPg++13.3.0	Success	8,394
Mar 29, 2026 19:50	zielaj	CPPclang++18.1.3	Error
Mar 29, 2026 19:49	zielaj	CPPclang++18.1.3	Error
Mar 29, 2026 19:48	zielaj	CPPclang++18.1.3	Error
Mar 29, 2026 19:47	zielaj	CPPclang++18.1.3	Error
Mar 29, 2026 19:45	Dominique Garmier	RUSTrust-1.94.1	Success	299,130
Mar 29, 2026 19:37	Danylo Mocherniuk	CPPg++13.3.0	Success	8,304+200.22 RP
Mar 29, 2026 19:34	zielaj	CPPclang++18.1.3	Error
Mar 29, 2026 19:29	zielaj	CPPclang++18.1.3	Error
Mar 29, 2026 19:28	zielaj	CPPclang++18.1.3	Error
Mar 29, 2026 19:26	zielaj	CPPclang++18.1.3	Error
Mar 29, 2026 19:15	zielaj	CPPclang++18.1.3	Success	3,519
Mar 29, 2026 19:15	Dominique Garmier	RUSTrust-1.94.1	Success	234,023
Mar 29, 2026 19:10	Danylo Mocherniuk	CPPg++13.3.0	Success	9,960+52.00 RP
Mar 29, 2026 19:06	wn	CPPclang++18.1.3	Success	4,269
Mar 29, 2026 19:06	Danylo Mocherniuk	CPPg++13.3.0	Success	10,772
Mar 29, 2026 19:05	wn	CPPclang++18.1.3	Success	4,289
Mar 29, 2026 19:03	wn	CPPclang++18.1.3	Success	4,316
Mar 29, 2026 19:03	Dominique Garmier	RUSTrust-1.94.1	Error
Mar 29, 2026 19:02	Danylo Mocherniuk	CPPg++13.3.0	Success	10,504+1.45 RP
Mar 29, 2026 18:59	Danylo Mocherniuk	CPPg++13.3.0	Success	10,529
Mar 29, 2026 18:58	Danylo Mocherniuk	CPPg++13.3.0	Success	10,520+0.81 RP
Mar 29, 2026 18:55	Danylo Mocherniuk	CPPg++13.3.0	Success	10,529+86.20 RP
Mar 29, 2026 18:47	Danylo Mocherniuk	CPPg++13.3.0	Success	12,788
Mar 29, 2026 18:35	Danylo Mocherniuk	CPPg++13.3.0	Success	19,884
Mar 29, 2026 18:31	Danylo Mocherniuk	CPPg++13.3.0	Success	17,936
Mar 29, 2026 18:25	Sabadon	GOgo1.26.1	Success	89,457+1.53 RP
Mar 29, 2026 18:24	Sabadon	GOgo1.26.1	Success	90,698+7.22 RP
Mar 29, 2026 16:53	Danylo Mocherniuk	CPPg++13.3.0	Error
Mar 29, 2026 16:44	Danylo Mocherniuk	CPPg++13.3.0	Success	26,671
Mar 29, 2026 16:40	Danylo Mocherniuk	CPPg++13.3.0	Success	32,863
Mar 29, 2026 16:33	Danylo Mocherniuk	CPPg++13.3.0	Error
Mar 29, 2026 16:31	Danylo Mocherniuk	CPPg++13.3.0	Error
Mar 29, 2026 16:28	Danylo Mocherniuk	CPPg++13.3.0	Error
Mar 29, 2026 16:25	Danylo Mocherniuk	CPPg++13.3.0	Success	61,072
Mar 29, 2026 15:30	Leonardo Pedrozo Amaral	CPPg++13.3.0	Success	54,194+21.36 RP
Mar 29, 2026 14:49	Danylo Mocherniuk	CPPg++13.3.0	Success	11,580+0.22 RP
Mar 29, 2026 14:48	Danylo Mocherniuk	CPPg++13.3.0	Success	11,583+14.80 RP
Mar 29, 2026 14:46	Danylo Mocherniuk	CPPg++13.3.0	Error
Mar 29, 2026 14:44	Danylo Mocherniuk	CPPg++13.3.0	Success	11,785+24.88 RP
Mar 29, 2026 14:31	Danylo Mocherniuk	CPPg++13.3.0	Success	12,141+0.14 RP
Mar 29, 2026 14:24	Danylo Mocherniuk	CPPg++13.3.0	Success	12,150
Mar 29, 2026 14:24	Danylo Mocherniuk	CPPg++13.3.0	Success	12,166
Mar 29, 2026 14:23	Danylo Mocherniuk	CPPg++13.3.0	Success	12,266
Mar 29, 2026 14:19	Dominique Garmier	GOgo1.26.1	Success	93,407
Mar 29, 2026 14:16	Danylo Mocherniuk	CPPg++13.3.0	Success	12,222
Mar 29, 2026 14:15	Danylo Mocherniuk	CPPg++13.3.0	Success	12,218
Mar 29, 2026 14:06	Danylo Mocherniuk	CPPg++13.3.0	Success	12,165
Mar 29, 2026 14:05	Danylo Mocherniuk	CPPg++13.3.0	Success	12,143+19.08 RP
Mar 29, 2026 14:04	Danylo Mocherniuk	CPPg++13.3.0	Error
Mar 29, 2026 14:00	Danylo Mocherniuk	CPPg++13.3.0	Success	13,602
Mar 29, 2026 13:56	Danylo Mocherniuk	CPPg++13.3.0	Success	12,431+35.86 RP
Mar 29, 2026 13:51	Danylo Mocherniuk	CPPg++13.3.0	Success	13,011+12.49 RP
Mar 29, 2026 13:45	Danylo Mocherniuk	CPPg++13.3.0	Success	13,226+235.85 RP
Mar 29, 2026 13:44	Danylo Mocherniuk	CPPg++13.3.0	Success	45,418
Mar 29, 2026 13:44	Danylo Mocherniuk	CPPg++13.3.0	Error
Mar 29, 2026 13:42	Dominique Garmier	CPPclang++18.1.3	Success	40,830
Mar 29, 2026 13:39	Danylo Mocherniuk	CPPg++13.3.0	Error
Mar 29, 2026 13:39	Danylo Mocherniuk	CPPg++13.3.0	Error
Mar 29, 2026 13:38	Danylo Mocherniuk	CPPg++13.3.0	Error
Mar 29, 2026 13:32	Danylo Mocherniuk	CPPg++13.3.0	Error
Mar 29, 2026 13:32	Danylo Mocherniuk	CPPg++13.3.0	Success	41,327
Mar 29, 2026 13:28	Dominique Garmier	CPPclang++18.1.3	Success	40,464
Mar 29, 2026 13:22	Brillentyp	RUSTrust-1.94.1	Success	52,900
Mar 29, 2026 13:22	Brillentyp	RUSTrust-1.94.1	Success	53,918
Mar 29, 2026 13:18	Danylo Mocherniuk	CPPg++13.3.0	Success	19,222+18.63 RP
Mar 29, 2026 13:16	Brillentyp	RUSTrust-1.94.1	Success	52,815+13.78 RP
Mar 29, 2026 13:12	Danylo Mocherniuk	CPPg++13.3.0	Success	19,936+14.20 RP
Mar 29, 2026 13:11	Brillentyp	RUSTrust-1.94.1	Success	62,836
Mar 29, 2026 13:04	Danylo Mocherniuk	CPPg++13.3.0	Success	20,517+172.98 RP
Mar 29, 2026 12:37	Danylo Mocherniuk	CPPg++13.3.0	Success	32,291
Mar 29, 2026 12:19	Danylo Mocherniuk	CPPg++13.3.0	Success	31,823
Mar 29, 2026 12:13	Danylo Mocherniuk	CPPg++13.3.0	Success	32,082
Mar 29, 2026 12:11	Danylo Mocherniuk	CPPg++13.3.0	Error
Mar 29, 2026 12:09	Danylo Mocherniuk	CPPg++13.3.0	Success	31,805+34.10 RP
Mar 29, 2026 11:16	Danylo Mocherniuk	CPPg++13.3.0	Success	63,945
Mar 29, 2026 10:37	Danylo Mocherniuk	CPPg++13.3.0	Success	35,674+51.61 RP
Mar 29, 2026 10:19	Danylo Mocherniuk	CPPg++13.3.0	Success	43,724+1.80 RP

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