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
Mar 21, 2026 13:02	olliecrow	RUSTrust-1.94.0	Success	6,131
Mar 21, 2026 13:01	olliecrow	RUSTrust-1.94.0	Success	6,135
Mar 21, 2026 13:01	olliecrow	RUSTrust-1.94.0	Success	6,130
Mar 21, 2026 13:01	olliecrow	RUSTrust-1.94.0	Success	6,129
Mar 21, 2026 13:01	olliecrow	RUSTrust-1.94.0	Success	6,121
Mar 21, 2026 13:00	olliecrow	RUSTrust-1.94.0	Success	6,107
Mar 21, 2026 13:00	olliecrow	RUSTrust-1.94.0	Success	6,148
Mar 21, 2026 13:00	olliecrow	RUSTrust-1.94.0	Success	6,071
Mar 21, 2026 13:00	olliecrow	RUSTrust-1.94.0	Success	6,087
Mar 21, 2026 13:00	olliecrow	RUSTrust-1.94.0	Success	6,123
Mar 21, 2026 13:00	olliecrow	RUSTrust-1.94.0	Success	6,075
Mar 21, 2026 13:00	olliecrow	RUSTrust-1.94.0	Success	6,154
Mar 21, 2026 12:59	olliecrow	RUSTrust-1.94.0	Success	6,041
Mar 21, 2026 12:59	olliecrow	RUSTrust-1.94.0	Success	6,055
Mar 21, 2026 12:58	olliecrow	RUSTrust-1.94.0	Success	6,119
Mar 21, 2026 12:58	olliecrow	RUSTrust-1.94.0	Success	6,120
Mar 21, 2026 12:58	olliecrow	RUSTrust-1.94.0	Success	6,065
Mar 21, 2026 12:58	olliecrow	RUSTrust-1.94.0	Success	6,079
Mar 21, 2026 12:58	olliecrow	RUSTrust-1.94.0	Success	6,124
Mar 21, 2026 12:57	olliecrow	RUSTrust-1.94.0	Success	6,093
Mar 21, 2026 12:57	olliecrow	RUSTrust-1.94.0	Success	6,074
Mar 21, 2026 12:57	olliecrow	RUSTrust-1.94.0	Success	6,079
Mar 21, 2026 12:57	olliecrow	RUSTrust-1.94.0	Success	6,108
Mar 21, 2026 12:57	olliecrow	RUSTrust-1.94.0	Success	6,121
Mar 21, 2026 12:56	olliecrow	RUSTrust-1.94.0	Success	6,135
Mar 21, 2026 12:55	olliecrow	RUSTrust-1.94.0	Success	6,123
Mar 21, 2026 12:55	olliecrow	RUSTrust-1.94.0	Success	6,097
Mar 21, 2026 12:54	olliecrow	RUSTrust-1.94.0	Success	6,121
Mar 21, 2026 12:54	olliecrow	RUSTrust-1.94.0	Success	6,092
Mar 21, 2026 12:54	olliecrow	RUSTrust-1.94.0	Success	6,144
Mar 21, 2026 12:54	olliecrow	RUSTrust-1.94.0	Success	6,058
Mar 21, 2026 12:54	olliecrow	RUSTrust-1.94.0	Success	6,122
Mar 21, 2026 12:54	olliecrow	RUSTrust-1.94.0	Success	6,091
Mar 21, 2026 12:47	olliecrow	RUSTrust-1.94.0	Success	6,105
Mar 21, 2026 12:47	olliecrow	RUSTrust-1.94.0	Success	6,052
Mar 21, 2026 12:46	olliecrow	RUSTrust-1.94.0	Success	6,075
Mar 21, 2026 12:46	olliecrow	RUSTrust-1.94.0	Success	6,123
Mar 21, 2026 12:46	olliecrow	RUSTrust-1.94.0	Success	6,158
Mar 21, 2026 12:45	olliecrow	RUSTrust-1.94.0	Success	6,124
Mar 21, 2026 12:45	olliecrow	RUSTrust-1.94.0	Success	6,124
Mar 21, 2026 12:42	olliecrow	RUSTrust-1.94.0	Success	6,130
Mar 21, 2026 12:42	olliecrow	RUSTrust-1.94.0	Success	6,120
Mar 21, 2026 12:42	olliecrow	RUSTrust-1.94.0	Success	6,088
Mar 21, 2026 12:42	olliecrow	RUSTrust-1.94.0	Success	6,083
Mar 21, 2026 12:41	olliecrow	RUSTrust-1.94.0	Success	6,158
Mar 21, 2026 12:41	olliecrow	RUSTrust-1.94.0	Success	6,121
Mar 21, 2026 12:41	olliecrow	RUSTrust-1.94.0	Success	6,121
Mar 21, 2026 12:41	olliecrow	RUSTrust-1.94.0	Success	6,067
Mar 21, 2026 12:40	olliecrow	ZIG0.14.0	Success	5,892
Mar 21, 2026 12:40	olliecrow	RUSTrust-1.94.0	Success	6,079
Mar 21, 2026 12:20	olliecrow	ZIG0.14.0	Error
Mar 21, 2026 12:08	olliecrow	ZIG0.14.0	Success	5,966
Mar 21, 2026 12:03	olliecrow	RUSTrust-1.94.0	Success	6,118
Mar 21, 2026 12:02	olliecrow	RUSTrust-1.94.0	Success	6,120
Mar 21, 2026 12:02	olliecrow	RUSTrust-1.94.0	Success	6,122
Mar 21, 2026 12:02	olliecrow	RUSTrust-1.94.0	Success	6,141
Mar 21, 2026 12:02	olliecrow	RUSTrust-1.94.0	Success	6,121
Mar 21, 2026 12:02	olliecrow	RUSTrust-1.94.0	Success	6,129
Mar 21, 2026 12:02	olliecrow	RUSTrust-1.94.0	Success	6,087
Mar 21, 2026 12:01	olliecrow	RUSTrust-1.94.0	Success	6,087
Mar 21, 2026 12:01	olliecrow	RUSTrust-1.94.0	Success	6,077
Mar 21, 2026 12:01	olliecrow	RUSTrust-1.94.0	Success	6,129
Mar 21, 2026 12:01	olliecrow	RUSTrust-1.94.0	Success	6,116
Mar 21, 2026 12:01	olliecrow	RUSTrust-1.94.0	Success	6,072
Mar 21, 2026 12:01	olliecrow	RUSTrust-1.94.0	Success	6,155
Mar 21, 2026 12:01	olliecrow	RUSTrust-1.94.0	Success	6,149
Mar 21, 2026 12:01	olliecrow	RUSTrust-1.94.0	Success	6,121
Mar 21, 2026 12:00	olliecrow	ZIG0.14.0	Success	8,087
Mar 21, 2026 11:58	olliecrow	RUSTrust-1.94.0	Success	6,118
Mar 21, 2026 11:57	olliecrow	RUSTrust-1.94.0	Success	6,148
Mar 21, 2026 11:57	olliecrow	RUSTrust-1.94.0	Success	6,055
Mar 21, 2026 11:57	olliecrow	RUSTrust-1.94.0	Success	6,136
Mar 21, 2026 11:56	olliecrow	RUSTrust-1.94.0	Success	6,146
Mar 21, 2026 11:56	olliecrow	RUSTrust-1.94.0	Success	6,047
Mar 21, 2026 11:56	olliecrow	RUSTrust-1.94.0	Success	6,135
Mar 21, 2026 11:56	olliecrow	RUSTrust-1.94.0	Success	6,097
Mar 21, 2026 11:55	olliecrow	ZIG0.14.0	Success	5,905
Mar 21, 2026 11:55	olliecrow	RUSTrust-1.94.0	Success	6,130
Mar 21, 2026 11:55	olliecrow	RUSTrust-1.94.0	Success	6,043
Mar 21, 2026 11:55	olliecrow	RUSTrust-1.94.0	Success	6,056
Mar 21, 2026 11:55	olliecrow	RUSTrust-1.94.0	Success	6,091
Mar 21, 2026 11:54	olliecrow	RUSTrust-1.94.0	Success	6,159
Mar 21, 2026 11:54	olliecrow	RUSTrust-1.94.0	Success	6,045
Mar 21, 2026 11:53	olliecrow	RUSTrust-1.94.0	Success	6,096
Mar 21, 2026 11:53	olliecrow	RUSTrust-1.94.0	Success	6,088
Mar 21, 2026 11:52	olliecrow	RUSTrust-1.94.0	Success	6,133
Mar 21, 2026 11:52	olliecrow	ZIG0.14.0	Success	6,010
Mar 21, 2026 11:49	olliecrow	RUSTrust-1.94.0	Success	6,123
Mar 21, 2026 11:49	olliecrow	RUSTrust-1.94.0	Success	6,122
Mar 21, 2026 11:49	olliecrow	RUSTrust-1.94.0	Success	6,119
Mar 21, 2026 11:47	olliecrow	RUSTrust-1.94.0	Success	6,074
Mar 21, 2026 11:47	olliecrow	RUSTrust-1.94.0	Success	6,071
Mar 21, 2026 11:44	olliecrow	ZIG0.14.0	Success	7,518
Mar 21, 2026 11:42	olliecrow	RUSTrust-1.94.0	Success	6,255
Mar 21, 2026 11:42	olliecrow	RUSTrust-1.94.0	Success	6,143
Mar 21, 2026 11:42	olliecrow	RUSTrust-1.94.0	Success	6,065
Mar 21, 2026 11:42	olliecrow	RUSTrust-1.94.0	Success	6,223
Mar 21, 2026 11:39	olliecrow	RUSTrust-1.94.0	Success	6,145
Mar 21, 2026 11:39	olliecrow	RUSTrust-1.94.0	Success	6,149
Mar 21, 2026 11:39	olliecrow	RUSTrust-1.94.0	Success	6,084

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