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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zielajScore: 3,413Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Apr 1, 2026 00:49	3,391	51,325,010	26,135,000	2,010,000	2,437,120
2	Apr 1, 2026 00:57	3,392	53,316,542	26,140,000	2,010,000	2,424,832
3	Apr 1, 2026 00:57	3,395	50,183,035	26,165,000	2,012,000	2,428,928
4	Apr 1, 2026 00:48	3,398	49,564,040	26,192,000	2,014,000	2,510,848
5	Apr 1, 2026 00:59	3,401	50,824,946	26,211,000	2,016,000	2,433,024
6	Apr 1, 2026 00:49	3,401	49,109,368	26,210,000	2,016,000	2,523,136
7	Apr 1, 2026 00:57	3,403	54,134,324	26,232,000	2,017,000	2,519,040
8	Apr 1, 2026 00:47	3,405	48,155,259	27,256,000	1,009,000	2,510,848
9	Apr 1, 2026 00:47	3,406	50,199,477	27,257,000	1,009,000	2,441,216
10	Apr 1, 2026 00:49	3,409	50,840,987	27,288,000	1,010,000	2,510,848
11	Apr 1, 2026 00:47	3,410	52,055,032	27,290,000	1,010,000	2,510,848
12	Apr 1, 2026 00:47	3,410	49,117,317	27,295,000	1,010,000	2,519,040
13	Apr 1, 2026 00:49	3,411	51,598,434	27,297,000	1,011,000	2,519,040
14	Apr 1, 2026 00:57	3,411	49,063,285	27,303,000	1,011,000	2,510,848
15	Apr 1, 2026 00:48	3,412	52,618,506	27,311,000	1,011,000	2,519,040
16	Apr 1, 2026 00:47	3,412	51,427,528	27,305,000	1,011,000	2,428,928
17	Apr 1, 2026 00:47	3,413	50,393,655	27,319,000	1,011,000	2,510,848
18	Apr 1, 2026 00:47	3,413	51,523,899	27,320,000	1,011,000	2,519,040
19	Apr 1, 2026 00:57	3,413	50,074,375	27,317,000	1,011,000	2,478,080
20	Apr 1, 2026 00:57	3,414	53,120,912	27,322,000	1,011,000	2,482,176
21	Apr 1, 2026 00:49	3,418	48,050,838	27,355,000	1,013,000	2,433,024
22	Apr 1, 2026 00:47	3,418	53,417,991	27,356,000	1,013,000	2,433,024
23	Apr 1, 2026 00:47	3,418	49,477,582	27,354,000	1,013,000	2,433,024
24	Apr 1, 2026 00:59	3,420	55,134,053	27,370,000	1,013,000	2,433,024
25	Apr 1, 2026 00:59	3,421	47,868,010	27,381,000	1,014,000	2,510,848
26	Apr 1, 2026 00:59	3,423	49,728,363	27,401,000	1,014,000	2,478,080
27	Apr 1, 2026 00:48	3,435	47,531,815	27,489,000	1,018,000	2,269,184
28	Apr 1, 2026 00:49	3,442	51,085,071	27,552,000	1,020,000	2,519,040
29	Apr 1, 2026 00:57	3,498	55,903,757	27,035,000	2,002,000	2,510,848
30	Apr 1, 2026 00:57	3,503	60,452,626	27,070,000	2,005,000	2,510,848
31	Apr 1, 2026 00:57	3,513	49,524,388	28,150,000	1,005,000	2,433,024
32	Apr 1, 2026 00:59	3,609	53,830,907	27,957,000	1,996,000	2,433,024
33	Apr 1, 2026 00:59	3,650	51,679,223	29,286,000	1,009,000	2,433,024

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