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: 5,893Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Mar 21, 2026 10:24	5,786	75,787,321	45,023,000	3,001,000	2,473,984
2	Mar 21, 2026 12:12	5,789	77,864,249	46,047,000	2,002,000	2,404,352
3	Mar 21, 2026 09:56	5,790	75,967,269	43,053,000	5,006,000	2,428,928
4	Mar 21, 2026 12:28	5,794	73,010,687	42,080,000	6,011,000	2,428,928
5	Mar 21, 2026 12:45	5,817	74,958,561	45,267,000	3,017,000	2,498,560
6	Mar 21, 2026 11:56	5,818	70,593,611	45,274,000	3,018,000	2,363,392
7	Mar 21, 2026 11:56	5,818	72,337,399	43,259,000	5,030,000	2,379,776
8	Mar 21, 2026 12:35	5,823	74,031,552	46,321,000	2,013,000	2,433,024
9	Mar 21, 2026 11:24	5,824	68,875,113	44,310,000	4,028,000	2,506,752
10	Mar 21, 2026 12:46	5,827	75,856,594	45,341,000	3,022,000	2,375,680
11	Mar 21, 2026 12:28	5,829	67,082,693	45,358,000	3,023,000	2,326,528
12	Mar 21, 2026 09:56	5,831	78,043,506	44,366,000	4,033,000	2,445,312
13	Mar 21, 2026 12:29	5,838	73,504,550	45,431,000	3,028,000	2,469,888
14	Mar 21, 2026 12:12	5,840	71,783,091	47,483,000	989,000	2,297,856
15	Mar 21, 2026 11:57	5,840	71,920,009	44,436,000	4,039,000	2,404,352
16	Mar 21, 2026 12:43	5,843	71,407,804	44,453,000	4,041,000	2,416,640
17	Mar 21, 2026 11:05	5,854	72,275,533	45,551,000	3,036,000	2,355,200
18	Mar 21, 2026 13:24	5,878	78,584,929	44,805,000	3,982,000	2,420,736
19	Mar 21, 2026 11:57	5,880	80,688,458	47,805,000	995,000	2,514,944
20	Mar 21, 2026 12:29	5,880	78,358,384	43,823,000	4,979,000	2,301,952
21	Mar 21, 2026 10:24	5,889	70,415,751	45,885,000	2,992,000	2,392,064
22	Mar 21, 2026 12:35	5,890	74,628,050	43,898,000	4,988,000	2,408,448
23	Mar 21, 2026 12:12	5,893	75,653,110	43,925,000	4,991,000	2,478,080
24	Mar 21, 2026 09:56	5,896	72,277,028	44,940,000	3,994,000	2,502,656
25	Mar 21, 2026 10:24	5,912	76,520,937	47,067,000	2,002,000	2,383,872
26	Mar 21, 2026 12:46	5,917	73,591,431	46,101,000	3,006,000	2,420,736
27	Mar 21, 2026 11:27	5,917	70,773,567	45,103,000	4,009,000	2,506,752
28	Mar 21, 2026 11:27	5,926	73,320,339	46,173,000	3,011,000	2,351,104
29	Mar 21, 2026 12:43	5,927	73,230,755	46,185,000	3,012,000	2,433,024
30	Mar 21, 2026 11:57	5,928	73,291,366	45,187,000	4,016,000	2,342,912
31	Mar 21, 2026 12:29	5,929	71,950,993	46,199,000	3,013,000	2,379,776
32	Mar 21, 2026 12:28	5,931	70,618,027	47,220,000	2,009,000	2,342,912
33	Mar 21, 2026 12:45	5,940	74,141,673	47,292,000	2,012,000	2,494,464
34	Mar 21, 2026 11:27	5,942	80,516,915	47,304,000	2,012,000	2,347,008
35	Mar 21, 2026 12:46	5,943	78,290,499	47,317,000	2,013,000	2,392,064
36	Mar 21, 2026 11:05	5,948	78,668,231	46,343,000	3,022,000	2,486,272
37	Mar 21, 2026 11:05	5,952	70,116,575	47,385,000	2,016,000	2,301,952
38	Mar 21, 2026 13:24	5,956	75,465,859	47,414,000	2,017,000	2,498,560
39	Mar 21, 2026 11:24	5,957	76,173,786	46,415,000	3,027,000	2,289,664
40	Mar 21, 2026 12:45	5,959	71,232,529	46,432,000	3,028,000	2,363,392
41	Mar 21, 2026 12:35	5,982	77,630,507	48,641,000	1,013,000	2,514,944
42	Mar 21, 2026 11:24	6,001	71,973,988	46,822,000	2,988,000	2,301,952
43	Mar 21, 2026 11:56	6,015	83,216,616	46,926,000	2,995,000	2,351,104
44	Mar 21, 2026 12:43	6,023	81,397,045	46,989,000	2,999,000	2,359,296
45	Mar 21, 2026 13:24	6,032	78,411,743	48,065,000	2,002,000	2,408,448

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