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.

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Run Statistics

#	Date	Error
1	Jun 4, 2024 05:01	Error: expected "53684921760171062 ", got "ok: 7861667456234986594 1001 0000 0000 0100 0000 0001 0000 0000 23629753 1000 0010 0000 0010 0000 0001 0000 0000 25312567 "	stderr
2	Jun 4, 2024 05:02	Error: expected "53687748755801610 ", got "ok: 7861667456234986594 1001 0000 0000 0100 0000 0001 0000 0000 8814138 1000 0010 0000 0010 0000 0001 0000 0000 10496952 0100 0100 0000 1000 0000 0001 0000 0000 38161961 1000 0000 0010 0010 0000 0100 0000 0000...	stderr
3	Jun 4, 2024 05:02	Error: expected "53692306581502381 ", got "ok: 7861667456234986594 0100 0100 0000 1000 0000 0001 0000 0000 16782126 1000 0000 0010 0010 0000 0100 0000 0000 16782127 1000 0000 0001 0000 0000 0100 0100 0000 16782128 0101 0000 0000 0100 0000 0010 0000 000...	stderr
4	Jun 4, 2024 05:03	Error: expected "53688217553319164 ", got "ok: 7861667456234986594 1000 0000 1000 0000 0100 0001 0000 0000 10845671 1000 0000 0100 0000 0001 0000 0000 0100 49484949 "	stderr
5	Jun 4, 2024 05:04	Error: expected "53691496188496041 ", got "ok: 7861667456234986594 1001 0000 0000 0100 0000 0001 0000 0000 1826397 1000 0010 0000 0010 0000 0001 0000 0000 3509211 0100 0100 0000 1000 0000 0001 0000 0000 31174220 1000 0000 0010 0010 0000 0100 0000 0000 ...	stderr
6	Jun 4, 2024 05:05	Error: expected "53679873577815833 ", got "ok: 7861667456234986594 1000 0000 0100 0000 0001 0000 0000 0100 19918752 1000 0000 1000 0000 1000 0000 0010 0000 23951962 1001 0000 0000 0100 0000 0001 0000 0000 48090662 1000 0010 0000 0010 0000 0001 0000 000...	stderr
7	Jun 4, 2024 05:05	Error: expected "53692883871528396 ", got "ok: 7861667456234986594 0100 0100 0000 1000 0000 0001 0000 0000 21569609 1000 0000 0010 0010 0000 0100 0000 0000 21569610 1000 0000 0001 0000 0000 0100 0100 0000 21569611 0101 0000 0000 0100 0000 0010 0000 000...	stderr
8	Jun 4, 2024 05:06	Error: expected "53691073009532121 ", got "ok: 7861667456234986594 0100 0100 0000 1000 0000 0001 0000 0000 26959705 1000 0000 0010 0010 0000 0100 0000 0000 26959706 1000 0000 0001 0000 0000 0100 0100 0000 26959707 0101 0000 0000 0100 0000 0010 0000 000...	stderr
9	Jun 4, 2024 05:07	Error: expected "53680565496913228 ", got "ok: 7861667456234986594 1000 0000 0100 0000 0001 0000 0000 0100 6690519 1000 0000 1000 0000 1000 0000 0010 0000 10723729 1001 0000 0000 0100 0000 0001 0000 0000 34862429 1000 0010 0000 0010 0000 0001 0000 0000...	stderr
10	Jun 4, 2024 05:18	Error: expected "53681626882838427 ", got "ok: 7861667456234986594 1000 0000 0100 0000 0001 0000 0000 0100 17194929 1000 0000 1000 0000 1000 0000 0010 0000 21228139 1001 0000 0000 0100 0000 0001 0000 0000 45366839 1000 0010 0000 0010 0000 0001 0000 000...	stderr
11	Jun 4, 2024 05:29	Error: expected "53680664262755158 ", got "ok: 7861667456234986594 1000 0000 0100 0000 0001 0000 0000 0100 12406878 1000 0000 1000 0000 1000 0000 0010 0000 16440088 1001 0000 0000 0100 0000 0001 0000 0000 40578788 1000 0010 0000 0010 0000 0001 0000 000...	stderr
12	Jun 4, 2024 05:29	Error: expected "53686677120286836 ", got "ok: 7861667456234986594 1000 0000 1000 0000 1000 0000 0010 0000 909732 1001 0000 0000 0100 0000 0001 0000 0000 25048432 1000 0010 0000 0010 0000 0001 0000 0000 26731246 "	stderr
13	Jun 4, 2024 05:30	Error: expected "53681965134091536 ", got "ok: 7861667456234986594 1000 0000 1000 0000 0100 0001 0000 0000 573590 1000 0000 0100 0000 0001 0000 0000 0100 39212868 1000 0000 1000 0000 1000 0000 0010 0000 43246078 "	stderr
14	Jun 4, 2024 05:31	Error: expected "53686636991181781 ", got "ok: 7861667456234986594 1001 0000 0000 0100 0000 0001 0000 0000 20192661 1000 0010 0000 0010 0000 0001 0000 0000 21875475 0100 0100 0000 1000 0000 0001 0000 0000 49540484 1000 0000 0010 0010 0000 0100 0000 000...	stderr
15	Jun 4, 2024 05:32	Error: expected "53690012818548168 ", got "ok: 7861667456234986594 0101 0000 0000 0100 0000 0010 0000 0000 10470869 1000 0000 0001 0100 0000 0001 0000 0000 10470870 1000 0000 0100 0000 0000 1010 0000 0000 10470871 1000 0000 1000 0000 0100 0001 0000 000...	stderr
16	Jun 4, 2024 05:37	Error: expected "53680910210804678 ", got "ok: 7861667456234986594 1000 0000 0100 0000 0001 0000 0000 0100 7478151 1000 0000 1000 0000 1000 0000 0010 0000 11511361 1001 0000 0000 0100 0000 0001 0000 0000 35650061 1000 0010 0000 0010 0000 0001 0000 0000...	stderr

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