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
Jun 8, 2026 08:55	chereshnya123	CPPg++14.2.0	Success	62,777
Jun 8, 2026 08:49	chereshnya123	CPPg++10.5.0	Error
Jun 8, 2026 08:32	chereshnya123	CPPg++10.5.0	Success	61,640
Jun 8, 2026 08:25	chereshnya123	CPPg++10.5.0	Success	61,629
Jun 8, 2026 01:55	Raphael Ademola-Shoneye	CPPg++10.5.0	Success	88,965+112.40 RP
Jun 7, 2026 19:06	Victor Mercklé	CPPg++14.2.0	Success	4,878
Jun 7, 2026 19:01	Victor Mercklé	CPPg++14.2.0	Success	12,163
Jun 7, 2026 18:56	Victor Mercklé	CPPg++14.2.0	Success	7,703
Jun 7, 2026 18:51	Victor Mercklé	CPPg++14.2.0	Success	6,072
Jun 7, 2026 18:46	Victor Mercklé	CPPg++14.2.0	Success	9,220
Jun 6, 2026 19:10	merripium	CPPg++10.5.0	Success	63,530+17.67 RP
Jun 6, 2026 19:04	merripium	CPPg++10.5.0	Success	80,283
Jun 6, 2026 15:43	merripium	CPPg++10.5.0	Success	71,564+0.14 RP
Jun 6, 2026 15:41	chereshnya123	CPPclang++18.1.3	Success	64,587
Jun 6, 2026 15:41	merripium	CPPg++10.5.0	Success	71,890
Jun 6, 2026 15:40	merripium	CPPg++10.5.0	Success	73,930
Jun 6, 2026 15:39	chereshnya123	CPPclang++20.1.2	Success	64,455
Jun 6, 2026 15:37	chereshnya123	CPPg++10.5.0	Success	58,618+1.74 RP
Jun 6, 2026 15:36	merripium	CPPg++10.5.0	Success	71,637+0.20 RP
Jun 6, 2026 15:35	merripium	CPPg++10.5.0	Success	77,124
Jun 6, 2026 15:34	chereshnya123	CPPg++10.5.0	Success	65,202
Jun 6, 2026 15:12	merripium	CPPg++10.5.0	Success	71,741+0.02 RP
Jun 6, 2026 15:08	merripium	CPPg++10.5.0	Success	71,750+16.41 RP
Jun 6, 2026 15:04	merripium	CPPg++14.2.0	Success	81,325+10.68 RP
Jun 5, 2026 11:49	chereshnya123	CPPg++10.5.0	Success	65,903
Jun 5, 2026 11:28	chereshnya123	CPPg++10.5.0	Success	59,221+12.11 RP
Jun 5, 2026 11:21	chereshnya123	CPPg++10.5.0	Success	63,798+7.08 RP
Jun 5, 2026 11:20	chereshnya123	CPPg++10.5.0	Success	69,470
Jun 5, 2026 11:18	chereshnya123	CPPg++10.5.0	Success	72,379
Jun 5, 2026 11:18	chereshnya123	CPPg++10.5.0	Success	66,818+34.91 RP
Jun 5, 2026 11:01	chereshnya123	CPPg++10.5.0	Success	158,154
Jun 5, 2026 10:53	chereshnya123	CPPg++10.5.0	Success	157,892
Jun 5, 2026 10:42	chereshnya123	CPPg++10.5.0	Success	245,444
Jun 5, 2026 09:18	chereshnya123	CPPg++10.5.0	Success	2,072,444
Jun 5, 2026 09:12	chereshnya123	CPPg++10.5.0	Success	87,145+2.54 RP
Jun 5, 2026 09:09	chereshnya123	CPPg++10.5.0	Error
Jun 5, 2026 09:07	chereshnya123	CPPg++10.5.0	Success	89,120+112.21 RP
Jun 1, 2026 21:59	Maya Rebholz	CPPg++10.5.0	Success	7,420
Jun 1, 2026 21:42	Maya Rebholz	CPPg++10.5.0	Success	7,108
Jun 1, 2026 21:01	Maya Rebholz	CPPg++10.5.0	Error	+2.53 RP
Jun 1, 2026 13:52	Jora Babayan	CPPg++10.5.0	Success	57,415
Jun 1, 2026 07:54	merripium	CPPg++10.5.0	Success	89,058+112.29 RP
May 31, 2026 20:47	Jora Babayan	CPPg++10.5.0	Success	50,269+39.34 RP
May 31, 2026 20:28	Jora Babayan	CPPg++10.5.0	Success	62,659+47.24 RP
May 31, 2026 19:42	Jora Babayan	CPPg++10.5.0	Success	89,004+112.35 RP
May 31, 2026 16:42	Sergey Kintsel	RUSTrust-1.95.0	Success	395,464+0.57 RP
May 31, 2026 16:38	Sergey Kintsel	RUSTrust-1.96.0	Success	404,625+24.71 RP
May 28, 2026 13:00	Innokentii Meleshchenko	RUSTrust-1.95.0	Success	249,596
May 28, 2026 12:51	Innokentii Meleshchenko	RUSTrust-1.95.0	Success	237,693+0.57 RP
May 28, 2026 12:43	Innokentii Meleshchenko	RUSTrust-1.95.0	Success	240,937+5.36 RP
May 28, 2026 12:40	Innokentii Meleshchenko	RUSTrust-1.95.0	Success	276,661+7.70 RP
May 28, 2026 12:30	Innokentii Meleshchenko	RUSTrust-1.95.0	Success	391,991
May 28, 2026 10:58	Innokentii Meleshchenko	RUSTrust-1.95.0	Success	390,268
May 27, 2026 14:34	flavio87	CPPg++14.2.0	Error
May 26, 2026 12:27	Kenzie_RT	CPPg++14.2.0	Success	48,627
May 26, 2026 11:55	Kenzie_RT	CPPg++10.5.0	Success	45,951+4.15 RP
May 26, 2026 11:53	Kenzie_RT	CPPg++10.5.0	Success	66,887
May 25, 2026 21:22	Maya Rebholz	CPPg++10.5.0	Error	+203.20 RP
May 25, 2026 21:11	Maya Rebholz	CPPg++10.5.0	Success	6,138
May 25, 2026 20:54	Maya Rebholz	CPPg++10.5.0	Success	5,944
May 25, 2026 20:52	Maya Rebholz	CPPg++10.5.0	Error	+7.16 RP
May 25, 2026 20:50	Maya Rebholz	CPPg++10.5.0	Success	6,336
May 25, 2026 20:49	Maya Rebholz	CPPg++10.5.0	Success	5,996
May 25, 2026 20:47	Maya Rebholz	CPPg++10.5.0	Success	5,922+13.30 RP
May 25, 2026 20:46	Maya Rebholz	CPPg++10.5.0	Success	6,709
May 25, 2026 20:42	Maya Rebholz	CPPg++10.5.0	Success	6,352
May 25, 2026 20:34	Maya Rebholz	CPPg++10.5.0	Success	6,034
May 25, 2026 20:33	Maya Rebholz	CPPg++10.5.0	Success	5,969+5.04 RP
May 25, 2026 20:32	Maya Rebholz	CPPg++10.5.0	Success	5,993
May 25, 2026 20:31	Maya Rebholz	CPPg++10.5.0	Success	6,046
May 25, 2026 20:30	Maya Rebholz	CPPg++10.5.0	Success	6,044
May 25, 2026 20:29	Maya Rebholz	CPPg++10.5.0	Success	6,046
May 25, 2026 20:23	Maya Rebholz	CPPg++10.5.0	Success	7,153
May 25, 2026 20:17	Maya Rebholz	CPPg++10.5.0	Error
May 25, 2026 20:12	Maya Rebholz	CPPg++10.5.0	Success	6,336
May 25, 2026 20:04	Maya Rebholz	CPPg++10.5.0	Success	6,003
May 25, 2026 20:02	Maya Rebholz	CPPg++10.5.0	Success	6,291
May 25, 2026 19:52	Maya Rebholz	CPPg++10.5.0	Success	6,062
May 25, 2026 19:50	Maya Rebholz	CPPg++10.5.0	Success	6,038
May 25, 2026 19:49	Maya Rebholz	CPPg++10.5.0	Success	6,830
May 25, 2026 19:48	Maya Rebholz	CPPg++10.5.0	Success	6,172
May 25, 2026 19:45	Maya Rebholz	CPPg++10.5.0	Success	5,987+71.82 RP
May 25, 2026 19:13	Maya Rebholz	CPPg++10.5.0	Success	6,256+152.54 RP
May 25, 2026 18:22	Maya Rebholz	CPPg++10.5.0	Success	7,085
May 25, 2026 18:16	Maya Rebholz	CPPg++10.5.0	Success	6,916+59.15 RP
May 25, 2026 16:52	Kenzie_RT	CPPg++10.5.0	Success	124,367
May 25, 2026 16:51	Kenzie_RT	CPPg++14.2.0	Success	46,862
May 25, 2026 16:50	Kenzie_RT	CPPg++10.5.0	Success	46,845+18.11 RP
May 25, 2026 16:49	Kenzie_RT	CPPg++10.5.0	Success	51,188+1.76 RP
May 25, 2026 16:46	Kenzie_RT	CPPg++10.5.0	Success	124,246
May 25, 2026 16:38	Kenzie_RT	CPPg++10.5.0	Success	82,303
May 25, 2026 16:25	Kenzie_RT	CPPg++10.5.0	Success	51,713
May 25, 2026 16:24	Kenzie_RT	CPPg++10.5.0	Success	63,893
May 25, 2026 16:23	Kenzie_RT	CPPg++10.5.0	Success	64,091
May 25, 2026 16:22	Kenzie_RT	CPPg++10.5.0	Success	63,916
May 25, 2026 16:19	Kenzie_RT	CPPg++14.2.0	Success	68,576
May 25, 2026 16:16	Kenzie_RT	CPPg++14.2.0	Success	68,617
May 25, 2026 16:14	Kenzie_RT	CPPg++14.2.0	Success	106,821
May 25, 2026 16:13	Kenzie_RT	CPPg++10.5.0	Success	106,994
May 25, 2026 16:07	Kenzie_RT	CPPclang++20.1.2	Success	53,869

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