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 13:26	olliecrow	RUSTrust-1.94.0	Success	6,031
Mar 21, 2026 13:26	olliecrow	RUSTrust-1.94.0	Success	6,139
Mar 21, 2026 13:25	olliecrow	RUSTrust-1.94.0	Success	6,120
Mar 21, 2026 13:25	olliecrow	RUSTrust-1.94.0	Success	6,147
Mar 21, 2026 13:25	olliecrow	RUSTrust-1.94.0	Success	6,128
Mar 21, 2026 13:24	olliecrow	RUSTrust-1.94.0	Success	6,135
Mar 21, 2026 13:24	olliecrow	RUSTrust-1.94.0	Success	6,116
Mar 21, 2026 13:24	olliecrow	RUSTrust-1.94.0	Success	6,122
Mar 21, 2026 13:24	olliecrow	RUSTrust-1.94.0	Success	6,121
Mar 21, 2026 13:24	olliecrow	RUSTrust-1.94.0	Success	6,125
Mar 21, 2026 13:23	olliecrow	RUSTrust-1.94.0	Success	6,049
Mar 21, 2026 13:23	olliecrow	RUSTrust-1.94.0	Success	6,077
Mar 21, 2026 13:23	olliecrow	RUSTrust-1.94.0	Success	6,132
Mar 21, 2026 13:23	olliecrow	RUSTrust-1.94.0	Success	6,121
Mar 21, 2026 13:23	olliecrow	RUSTrust-1.94.0	Success	6,101
Mar 21, 2026 13:23	olliecrow	RUSTrust-1.94.0	Success	6,150
Mar 21, 2026 13:23	olliecrow	RUSTrust-1.94.0	Success	6,097
Mar 21, 2026 13:22	olliecrow	RUSTrust-1.94.0	Success	6,151
Mar 21, 2026 13:22	olliecrow	RUSTrust-1.94.0	Success	6,122
Mar 21, 2026 13:22	olliecrow	RUSTrust-1.94.0	Success	6,089
Mar 21, 2026 13:22	olliecrow	RUSTrust-1.94.0	Success	6,120
Mar 21, 2026 13:21	olliecrow	RUSTrust-1.94.0	Success	6,128
Mar 21, 2026 13:21	olliecrow	RUSTrust-1.94.0	Success	6,086
Mar 21, 2026 13:21	olliecrow	RUSTrust-1.94.0	Success	6,120
Mar 21, 2026 13:21	olliecrow	RUSTrust-1.94.0	Success	6,090
Mar 21, 2026 13:20	olliecrow	RUSTrust-1.94.0	Success	6,105
Mar 21, 2026 13:20	olliecrow	CSHARP9.0.14	Error
Mar 21, 2026 13:20	olliecrow	RUSTrust-1.94.0	Success	6,147
Mar 21, 2026 13:20	olliecrow	RUSTrust-1.94.0	Success	6,149
Mar 21, 2026 13:20	olliecrow	RUSTrust-1.94.0	Success	6,072
Mar 21, 2026 13:18	olliecrow	RUSTrust-1.94.0	Success	6,050
Mar 21, 2026 13:18	olliecrow	RUSTrust-1.94.0	Success	6,094
Mar 21, 2026 13:18	olliecrow	RUSTrust-1.94.0	Success	6,150
Mar 21, 2026 13:18	olliecrow	RUSTrust-1.94.0	Success	6,146
Mar 21, 2026 13:17	olliecrow	RUSTrust-1.94.0	Success	6,092
Mar 21, 2026 13:17	olliecrow	RUSTrust-1.94.0	Success	6,082
Mar 21, 2026 13:17	olliecrow	RUSTrust-1.94.0	Success	6,094
Mar 21, 2026 13:17	olliecrow	CSHARP9.0.14	Error
Mar 21, 2026 13:17	olliecrow	RUSTrust-1.94.0	Success	6,073
Mar 21, 2026 13:17	olliecrow	RUSTrust-1.94.0	Success	6,100
Mar 21, 2026 13:16	olliecrow	RUSTrust-1.94.0	Success	6,099
Mar 21, 2026 13:16	olliecrow	RUSTrust-1.94.0	Success	6,058
Mar 21, 2026 13:16	olliecrow	RUSTrust-1.94.0	Success	6,070
Mar 21, 2026 13:16	olliecrow	RUSTrust-1.94.0	Success	6,084
Mar 21, 2026 13:15	olliecrow	RUSTrust-1.94.0	Success	6,083
Mar 21, 2026 13:15	olliecrow	RUSTrust-1.94.0	Success	6,092
Mar 21, 2026 13:15	olliecrow	RUSTrust-1.94.0	Success	6,056
Mar 21, 2026 13:15	olliecrow	RUSTrust-1.94.0	Success	6,085
Mar 21, 2026 13:14	olliecrow	RUSTrust-1.94.0	Success	6,069
Mar 21, 2026 13:14	olliecrow	RUSTrust-1.94.0	Success	6,065
Mar 21, 2026 13:14	olliecrow	RUSTrust-1.94.0	Success	6,078
Mar 21, 2026 13:14	olliecrow	RUSTrust-1.94.0	Success	6,072
Mar 21, 2026 13:14	olliecrow	RUSTrust-1.94.0	Success	6,087
Mar 21, 2026 13:13	olliecrow	RUSTrust-1.94.0	Success	6,130
Mar 21, 2026 13:13	olliecrow	RUSTrust-1.94.0	Success	6,074
Mar 21, 2026 13:13	olliecrow	RUSTrust-1.94.0	Success	6,073
Mar 21, 2026 13:13	olliecrow	RUSTrust-1.94.0	Success	6,101
Mar 21, 2026 13:13	olliecrow	RUSTrust-1.94.0	Success	6,068
Mar 21, 2026 13:13	olliecrow	RUSTrust-1.94.0	Success	6,084
Mar 21, 2026 13:13	olliecrow	RUSTrust-1.94.0	Success	6,101
Mar 21, 2026 13:13	olliecrow	RUSTrust-1.94.0	Success	6,155
Mar 21, 2026 13:13	olliecrow	RUSTrust-1.94.0	Success	6,121
Mar 21, 2026 13:12	olliecrow	RUSTrust-1.94.0	Success	6,075
Mar 21, 2026 13:12	olliecrow	RUSTrust-1.94.0	Success	6,095
Mar 21, 2026 13:12	olliecrow	RUSTrust-1.94.0	Success	6,121
Mar 21, 2026 13:12	olliecrow	RUSTrust-1.94.0	Success	6,121
Mar 21, 2026 13:12	olliecrow	RUSTrust-1.94.0	Success	6,139
Mar 21, 2026 13:12	olliecrow	RUSTrust-1.94.0	Success	6,121
Mar 21, 2026 13:11	olliecrow	RUSTrust-1.94.0	Success	6,094
Mar 21, 2026 13:11	olliecrow	RUSTrust-1.94.0	Success	6,121
Mar 21, 2026 13:11	olliecrow	RUSTrust-1.94.0	Success	6,147
Mar 21, 2026 13:11	olliecrow	RUSTrust-1.94.0	Success	6,069
Mar 21, 2026 13:11	olliecrow	RUSTrust-1.94.0	Success	6,127
Mar 21, 2026 13:11	olliecrow	RUSTrust-1.94.0	Success	6,081
Mar 21, 2026 13:10	olliecrow	RUSTrust-1.94.0	Success	6,090
Mar 21, 2026 13:10	olliecrow	RUSTrust-1.94.0	Success	6,057
Mar 21, 2026 13:10	olliecrow	RUSTrust-1.94.0	Success	6,121
Mar 21, 2026 13:10	olliecrow	RUSTrust-1.94.0	Success	6,131
Mar 21, 2026 13:10	olliecrow	RUSTrust-1.94.0	Success	6,121
Mar 21, 2026 13:10	olliecrow	RUSTrust-1.94.0	Success	6,056
Mar 21, 2026 13:10	olliecrow	RUSTrust-1.94.0	Success	6,126
Mar 21, 2026 13:10	olliecrow	RUSTrust-1.94.0	Success	6,156
Mar 21, 2026 13:08	olliecrow	RUSTrust-1.94.0	Success	6,079
Mar 21, 2026 13:08	olliecrow	RUSTrust-1.94.0	Success	6,084
Mar 21, 2026 13:07	olliecrow	RUSTrust-1.94.0	Success	6,113
Mar 21, 2026 13:07	olliecrow	RUSTrust-1.94.0	Success	6,084
Mar 21, 2026 13:07	olliecrow	RUSTrust-1.94.0	Success	6,117
Mar 21, 2026 13:05	olliecrow	RUSTrust-1.94.0	Success	6,025
Mar 21, 2026 13:05	olliecrow	RUSTrust-1.94.0	Success	6,143
Mar 21, 2026 13:05	olliecrow	RUSTrust-1.94.0	Success	6,122
Mar 21, 2026 13:04	olliecrow	RUSTrust-1.94.0	Success	6,137
Mar 21, 2026 13:04	olliecrow	RUSTrust-1.94.0	Success	6,121
Mar 21, 2026 13:04	olliecrow	ZIG0.14.0	Success	11,189
Mar 21, 2026 13:04	olliecrow	RUSTrust-1.94.0	Success	6,158
Mar 21, 2026 13:03	olliecrow	RUSTrust-1.94.0	Success	6,123
Mar 21, 2026 13:03	olliecrow	RUSTrust-1.94.0	Success	6,156
Mar 21, 2026 13:03	olliecrow	RUSTrust-1.94.0	Success	6,118
Mar 21, 2026 13:03	olliecrow	RUSTrust-1.94.0	Success	6,129
Mar 21, 2026 13:02	olliecrow	RUSTrust-1.94.0	Success	6,077
Mar 21, 2026 13:02	olliecrow	RUSTrust-1.94.0	Success	6,151

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