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	Oct 13, 2024 20:43	Error: expected "53682794088965501 ", got "53682801645823947 "	stderr
2	Oct 13, 2024 20:37	Error: expected "53691129212950050 ", got "53691145771259258 "	stderr
3	Oct 13, 2024 20:37	Error: expected "53687598231901200 ", got "53687602481299706 "	stderr
4	Oct 13, 2024 20:37	Error: expected "53687667533345430 ", got "53687679619851986 "	stderr
5	Oct 13, 2024 20:37	Error: expected "53692921652649987 ", got "53692923676379188 "	stderr
6	Oct 13, 2024 20:37	Error: expected "53692131065477398 ", got "53692131074047113 "	stderr
7	Oct 13, 2024 20:42	Error: expected "53681571354122189 ", got "53681580405551432 "	stderr
8	Oct 13, 2024 20:43	Error: expected "53692552326900092 ", got "53692579447474467 "	stderr
9	Oct 13, 2024 20:43	Error: expected "53689308642017242 ", got "53689323036429252 "	stderr
10	Oct 13, 2024 20:43	Error: expected "53681470554270087 ", got "53681479903172682 "	stderr
11	Oct 13, 2024 20:43	Error: expected "53689580665563114 ", got "53689580744397932 "	stderr
12	Oct 13, 2024 20:37	Error: expected "53690785182356789 ", got "53690790161876746 "	stderr
13	Oct 13, 2024 20:43	Error: expected "53682058456619399 ", got "53682066496515617 "	stderr
14	Oct 13, 2024 20:43	Error: expected "53690230947871039 ", got "53690234785719028 "	stderr
15	Oct 13, 2024 20:43	Error: expected "53691800102575134 ", got "53691812178827233 "	stderr
16	Oct 13, 2024 20:43	Error: expected "53692607876696641 ", got "53692612651622079 "	stderr
17	Oct 13, 2024 20:43	Error: expected "53692265118947101 ", got "53692276130677348 "	stderr
18	Oct 13, 2024 20:44	Error: expected "53691180569631070 ", got "53691199047381786 "	stderr
19	Oct 13, 2024 20:44	Error: expected "53692400393428553 ", got "53692415073954875 "	stderr
20	Oct 13, 2024 20:44	Error: expected "53681955381981980 ", got "53681961961297206 "	stderr
21	Oct 13, 2024 20:45	Error: expected "53688370656023220 ", got "53688385030028948 "	stderr
22	Oct 13, 2024 20:45	Error: expected "53691698296800590 ", got "53691717195064126 "	stderr
23	Oct 13, 2024 20:35	Error: expected "53687462158859743 ", got "53687477575913093 "	stderr
24	Oct 13, 2024 20:32	Error: expected "53691900522389957 ", got "53691903028780057 "	stderr
25	Oct 13, 2024 20:33	Error: expected "53687820333080739 ", got "53687831033601170 "	stderr
26	Oct 13, 2024 20:33	Error: expected "53687606493183989 ", got "53687618288945726 "	stderr
27	Oct 13, 2024 20:33	Error: expected "53692780334516683 ", got "53692796557066627 "	stderr
28	Oct 13, 2024 20:33	Error: expected "53689439074911347 ", got "53689439242292572 "	stderr
29	Oct 13, 2024 20:33	Error: expected "53681882152678592 ", got "53681884488983774 "	stderr
30	Oct 13, 2024 20:33	Error: expected "53679553705226130 ", got "53679559778080484 "	stderr
31	Oct 13, 2024 20:33	Error: expected "53679840510108491 ", got "53679854463452050 "	stderr
32	Oct 13, 2024 20:33	Error: expected "53690279116247945 ", got "53690283413169542 "	stderr
33	Oct 13, 2024 20:33	Error: expected "53685947506747485 ", got "53685951125578154 "	stderr
34	Oct 13, 2024 20:32	Error: expected "53683786689324828 ", got "53683799102524671 "	stderr
35	Oct 13, 2024 20:35	Error: expected "53683560137570400 ", got "53683568813737142 "	stderr
36	Oct 13, 2024 20:35	Error: expected "53683598142741113 ", got "53683599576845931 "	stderr
37	Oct 13, 2024 20:35	Error: expected "53690098161233430 ", got "53690098439264388 "	stderr
38	Oct 13, 2024 20:35	Error: expected "53681058582640994 ", got "53681073692537599 "	stderr
39	Oct 13, 2024 20:35	Error: expected "53683750228472444 ", got "53683771923202452 "	stderr
40	Oct 13, 2024 20:35	Error: expected "53691238376857080 ", got "53691240403151986 "	stderr
41	Oct 13, 2024 20:36	Error: expected "53689677455727104 ", got "53689698527331887 "	stderr
42	Oct 13, 2024 20:36	Error: expected "53689914415334883 ", got "53689915721280851 "	stderr
43	Oct 13, 2024 20:36	Error: expected "53692639691407489 ", got "53692648819331794 "	stderr

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