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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olliecrowScore: 5,982Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Mar 21, 2026 16:20	5,926	76,567,431	47,179,000	2,007,000	2,322,432
2	Mar 21, 2026 16:00	5,937	74,523,700	46,263,000	3,017,000	2,318,336
3	Mar 21, 2026 16:00	5,958	74,576,531	45,416,000	4,037,000	2,494,464
4	Mar 21, 2026 15:07	5,961	69,693,163	46,448,000	3,029,000	2,322,432
5	Mar 21, 2026 17:15	5,966	71,780,258	47,500,000	2,021,000	2,437,120
6	Mar 21, 2026 15:52	5,966	74,297,323	45,478,000	4,042,000	2,383,872
7	Mar 21, 2026 15:52	5,969	77,781,697	46,506,000	3,033,000	2,523,136
8	Mar 21, 2026 15:20	5,969	75,179,590	45,501,000	4,044,000	2,445,312
9	Mar 21, 2026 15:20	5,971	74,140,719	46,525,000	3,034,000	2,314,240
10	Mar 21, 2026 15:12	5,971	73,244,412	45,515,000	4,045,000	2,523,136
11	Mar 21, 2026 15:07	5,972	78,129,356	44,511,000	5,058,000	2,363,392
12	Mar 21, 2026 16:20	5,973	74,374,623	46,537,000	3,035,000	2,490,368
13	Mar 21, 2026 15:43	5,975	77,072,064	46,559,000	3,036,000	2,301,952
14	Mar 21, 2026 15:43	5,975	73,998,123	46,560,000	3,036,000	2,465,792
15	Mar 21, 2026 16:00	5,981	75,070,668	47,620,000	2,026,000	2,498,560
16	Mar 21, 2026 15:33	5,981	71,999,407	45,589,000	4,052,000	2,322,432
17	Mar 21, 2026 15:12	5,982	80,842,347	45,599,000	4,053,000	2,531,328
18	Mar 21, 2026 15:52	5,987	80,067,664	42,735,000	6,956,000	2,359,296
19	Mar 21, 2026 15:43	6,001	76,746,814	43,834,000	5,977,000	2,543,616
20	Mar 21, 2026 15:07	6,005	74,617,288	46,854,000	2,990,000	2,416,640
21	Mar 21, 2026 15:33	6,006	76,130,823	43,869,000	5,982,000	2,523,136
22	Mar 21, 2026 16:20	6,016	80,012,943	46,936,000	2,995,000	2,506,752
23	Mar 21, 2026 15:20	6,022	77,331,699	47,985,000	1,999,000	2,555,904
24	Mar 21, 2026 17:15	6,030	80,608,047	46,042,000	4,003,000	2,326,528
25	Mar 21, 2026 15:33	6,031	82,198,488	46,056,000	4,004,000	2,482,176
26	Mar 21, 2026 17:15	6,059	83,104,989	46,269,000	4,023,000	2,494,464
27	Mar 21, 2026 07:35	6,067	76,601,448	46,328,000	4,028,000	2,338,816
28	Mar 21, 2026 07:35	6,120	81,694,435	44,819,000	5,975,000	2,322,432
29	Mar 21, 2026 15:12	6,157	75,457,394	48,095,000	3,005,000	2,322,432
30	Mar 21, 2026 07:35	6,172	76,746,797	46,207,000	5,022,000	2,445,312
31	Mar 21, 2026 15:08	18,465	534,055,703	46,689,000	106,574,000	2,453,504
32	Mar 21, 2026 15:08	25,054	1,150,439,813	70,790,000	137,155,000	2,281,472
33	Mar 21, 2026 15:08	25,877	930,162,733	41,372,000	173,411,000	2,396,160

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