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
Oct 15, 2026 15:52	timothygk	CPPg++14.2.0	Success	34,544
Oct 15, 2026 15:52	timothygk	CPPg++10.5.0	Success	44,642
Oct 15, 2026 15:50	timothygk	CPPg++10.5.0	Success	43,156
Oct 15, 2026 15:30	timothygk	CPPg++14.2.0	Success	33,653+6.26 RP
Oct 15, 2026 15:14	timothygk	CPPg++14.2.0	Success	34,513
Oct 15, 2026 15:09	timothygk	CPPg++10.5.0	Success	46,196
Oct 15, 2026 14:44	timothygk	CPPg++10.5.0	Success	34,377+24.85 RP
Oct 15, 2026 14:33	timothygk	CPPg++10.5.0	Success	41,906
Oct 15, 2026 13:44	timothygk	CPPg++14.2.0	Success	37,588+114.33 RP
Oct 15, 2026 13:19	timothygk	CPPg++10.5.0	Success	65,916+35.92 RP
Oct 15, 2026 11:06	timothygk	CPPg++10.5.0	Success	150,723
Oct 15, 2026 08:19	timothygk	CPPg++14.2.0	Success	110,081
Oct 15, 2026 08:17	timothygk	CPPg++10.5.0	Success	102,453
Oct 15, 2026 02:47	zayd-ansari-code	CPPg++10.5.0	Success	87,451
Oct 15, 2026 02:42	zayd-ansari-code	CPPg++10.5.0	Success	87,025+2.59 RP
Oct 15, 2026 02:38	zayd-ansari-code	CPPg++10.5.0	Success	89,031+112.32 RP
Oct 14, 2026 22:47	e1011	CPPg++10.5.0	Success	65,989
Oct 14, 2026 22:45	e1011	CPPg++10.5.0	Success	65,945
Oct 14, 2026 17:53	timothygk	CPPg++10.5.0	Success	115,879
Oct 14, 2026 17:46	timothygk	CPPg++10.5.0	Success	89,026
Oct 14, 2026 15:29	highload-churner	CPPg++14.2.0	Success	3,195
Oct 14, 2026 15:29	highload-churner	CPPg++14.2.0	Success	3,193
Oct 14, 2026 15:28	highload-churner	CPPg++14.2.0	Success	3,189+5.90 RP
Oct 14, 2026 15:28	highload-churner	CPPg++14.2.0	Success	3,195
Oct 14, 2026 15:27	highload-churner	CPPg++14.2.0	Success	3,193
Oct 14, 2026 15:26	highload-churner	CPPg++14.2.0	Success	3,192+1.96 RP
Oct 14, 2026 15:25	highload-churner	CPPg++14.2.0	Success	21,740
Oct 14, 2026 15:24	highload-churner	CPPg++14.2.0	Success	21,784
Oct 14, 2026 15:24	highload-churner	CPPg++14.2.0	Success	3,194
Oct 14, 2026 15:23	highload-churner	CPPg++14.2.0	Success	3,193
Oct 14, 2026 15:04	highload-churner	CPPg++14.2.0	Success	3,193
Oct 14, 2026 14:41	highload-churner	CPPg++14.2.0	Success	3,195
Oct 14, 2026 14:40	highload-churner	CPPg++14.2.0	Success	21,763
Oct 14, 2026 14:37	highload-churner	CPPg++14.2.0	Success	3,193+53.26 RP
Oct 14, 2026 13:47	highload-churner	CPPg++14.2.0	Success	22,036
Oct 14, 2026 13:10	highload-churner	CPPg++14.2.0	Success	3,252
Oct 14, 2026 13:07	highload-churner	CPPg++14.2.0	Success	19,313
Oct 14, 2026 12:57	highload-churner	CPPg++14.2.0	Success	22,286
Oct 14, 2026 12:41	highload-churner	CPPg++14.2.0	Success	30,125
Oct 14, 2026 12:25	highload-churner	CPPg++14.2.0	Success	25,234
Oct 14, 2026 12:21	highload-churner	CPPg++14.2.0	Success	3,246
Oct 14, 2026 11:57	highload-churner	CPPg++14.2.0	Success	22,161
Oct 14, 2026 11:55	highload-churner	CPPg++14.2.0	Success	3,240+8.55 RP
Oct 14, 2026 11:54	highload-churner	CPPg++14.2.0	Success	20,263
Oct 14, 2026 11:51	highload-churner	CPPg++14.2.0	Success	28,468
Oct 14, 2026 11:49	highload-churner	CPPg++14.2.0	Success	28,468
Oct 14, 2026 11:47	highload-churner	CPPg++14.2.0	Success	3,249
Oct 14, 2026 11:46	highload-churner	CPPg++14.2.0	Success	3,275
Oct 14, 2026 11:45	highload-churner	CPPg++14.2.0	Success	3,273
Oct 14, 2026 11:45	highload-churner	CPPg++14.2.0	Success	3,263
Oct 14, 2026 11:43	highload-churner	CPPg++14.2.0	Success	3,249+6.62 RP
Oct 14, 2026 11:43	highload-churner	CPPg++14.2.0	Success	3,268
Oct 14, 2026 11:14	highload-churner	CPPg++14.2.0	Success	3,256
Oct 14, 2026 11:13	highload-churner	CPPg++14.2.0	Success	3,465
Oct 14, 2026 11:09	highload-churner	CPPg++14.2.0	Success	3,459
Oct 14, 2026 10:52	highload-churner	CPPg++14.2.0	Success	3,256+0.94 RP
Oct 14, 2026 09:00	highload-churner	CPPg++14.2.0	Success	3,257+12.21 RP
Oct 14, 2026 08:55	highload-churner	CPPg++14.2.0	Success	3,274
Oct 14, 2026 08:51	highload-churner	CPPg++14.2.0	Success	3,270+26.88 RP
Oct 14, 2026 08:29	highload-churner	CPPg++14.2.0	Success	3,332
Oct 14, 2026 08:25	highload-churner	CPPg++14.2.0	Success	3,329
Oct 14, 2026 08:25	highload-churner	CPPg++14.2.0	Success	3,326
Oct 14, 2026 08:20	highload-churner	CPPg++14.2.0	Success	13,062
Oct 14, 2026 05:51	highload-churner	CPPg++14.2.0	Success	28,291
Oct 14, 2026 05:46	highload-churner	CPPg++14.2.0	Success	23,199
Oct 13, 2026 13:44	highload-churner	CPPg++14.2.0	Success	3,443
Oct 13, 2026 11:43	highload-churner	CPPg++14.2.0	Success	3,405
Oct 13, 2026 10:40	highload-churner	CPPg++14.2.0	Success	3,430
Oct 13, 2026 10:28	janwww	CPPg++14.2.0	Success	4,423+473.28 RP
Oct 13, 2026 10:19	highload-churner	CPPg++14.2.0	Success	3,458
Oct 13, 2026 10:16	highload-churner	CPPg++14.2.0	Success	3,353
Oct 13, 2026 10:02	highload-churner	CPPg++14.2.0	Success	25,267
Oct 13, 2026 09:40	highload-churner	CPPg++14.2.0	Success	35,007
Oct 13, 2026 09:29	highload-churner	CPPg++14.2.0	Success	37,656
Oct 13, 2026 08:59	highload-churner	CPPg++14.2.0	Success	6,468
Oct 13, 2026 08:50	highload-churner	CPPg++14.2.0	Success	28,777
Oct 13, 2026 08:42	highload-churner	CPPg++14.2.0	Success	60,255
Oct 13, 2026 08:29	highload-churner	CPPg++14.2.0	Success	3,651
Oct 13, 2026 06:49	highload-churner	CPPg++14.2.0	Success	3,366
Oct 13, 2026 06:49	e1011	CPPg++10.5.0	Success	58,663
Oct 13, 2026 06:45	highload-churner	CPPg++14.2.0	Success	3,470
Oct 13, 2026 06:41	e1011	CPPg++10.5.0	Success	57,992
Oct 13, 2026 06:40	highload-churner	CPPg++14.2.0	Success	3,310
Oct 13, 2026 06:39	e1011	CPPg++10.5.0	Success	57,787
Oct 13, 2026 06:37	e1011	CPPg++10.5.0	Success	57,707+0.46 RP
Oct 13, 2026 06:36	e1011	CPPg++10.5.0	Success	57,859+0.11 RP
Oct 13, 2026 06:34	e1011	CPPg++10.5.0	Success	751,988
Oct 13, 2026 06:30	e1011	CPPg++10.5.0	Success	79,049
Oct 13, 2026 06:25	e1011	CPPg++10.5.0	Success	58,346
Oct 13, 2026 05:28	e1011	CPPg++10.5.0	Success	57,896+0.22 RP
Oct 13, 2026 05:14	e1011	CPPg++10.5.0	Success	66,523
Oct 13, 2026 05:02	e1011	CPPg++10.5.0	Success	57,971+14.57 RP
Oct 13, 2026 04:24	Denil Bhatt	GOgo1.26.2	Success	274,000+36.50 RP
Oct 13, 2026 04:24	e1011	CPPg++10.5.0	Success	412,945
Oct 13, 2026 03:26	e1011	CPPg++10.5.0	Success	2,040,478
Oct 13, 2026 03:25	highload-churner	CPPg++14.2.0	Success	3,467
Oct 13, 2026 03:09	highload-churner	CPPg++14.2.0	Success	3,464
Oct 13, 2026 02:52	highload-churner	CPPg++14.2.0	Success	26,383
Oct 13, 2026 02:51	highload-churner	CPPg++14.2.0	Success	3,311
Oct 13, 2026 02:46	highload-churner	CPPg++14.2.0	Success	3,470

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