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.

Back to listApr 6, 2026 16:57

Danylo MocherniukScore: 5,848Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Apr 6, 2026 17:02	5,804	74,466,317	47,169,000	1,003,000	2,392,064
2	Apr 6, 2026 17:02	5,805	69,820,740	46,171,000	2,007,000	2,400,256
3	Apr 6, 2026 16:57	5,810	73,924,636	47,217,000	1,004,000	2,297,856
4	Apr 6, 2026 17:02	5,817	76,316,669	46,267,000	2,011,000	2,297,856
5	Apr 6, 2026 16:57	5,818	75,064,337	47,287,000	1,006,000	2,297,856
6	Apr 6, 2026 16:57	5,825	75,237,020	46,331,000	2,014,000	2,392,064
7	Apr 6, 2026 16:57	5,825	73,139,919	46,331,000	2,014,000	2,400,256
8	Apr 6, 2026 17:02	5,832	71,944,128	46,387,000	2,016,000	2,297,856
9	Apr 6, 2026 17:02	5,835	70,820,086	46,414,000	2,018,000	2,400,256
10	Apr 6, 2026 16:57	5,837	71,930,154	48,449,000	0	2,297,856
11	Apr 6, 2026 16:57	5,838	73,334,422	46,440,000	2,019,000	2,383,872
12	Apr 6, 2026 17:02	5,839	74,371,594	47,454,000	1,009,000	2,404,352
13	Apr 6, 2026 16:57	5,839	76,154,567	47,453,000	1,009,000	2,297,856
14	Apr 6, 2026 16:57	5,841	72,269,797	47,468,000	1,009,000	2,297,856
15	Apr 6, 2026 17:02	5,847	75,170,470	46,508,000	2,022,000	2,297,856
16	Apr 6, 2026 17:02	5,848	72,407,479	47,525,000	1,011,000	2,400,256
17	Apr 6, 2026 16:57	5,850	75,137,182	46,530,000	2,023,000	2,297,856
18	Apr 6, 2026 16:57	5,852	75,040,758	47,562,000	1,011,000	2,408,448
19	Apr 6, 2026 16:57	5,853	76,801,075	46,552,000	2,024,000	2,400,256
20	Apr 6, 2026 16:57	5,853	76,562,239	47,567,000	1,012,000	2,297,856
21	Apr 6, 2026 16:57	5,857	76,403,741	47,602,000	1,012,000	2,412,544
22	Apr 6, 2026 17:02	5,857	85,112,687	47,598,000	1,012,000	2,412,544
23	Apr 6, 2026 17:02	5,870	76,952,281	46,688,000	2,029,000	2,404,352
24	Apr 6, 2026 16:57	5,879	78,357,601	46,802,000	1,991,000	2,404,352
25	Apr 6, 2026 16:57	5,883	78,047,665	46,837,000	1,993,000	2,297,856
26	Apr 6, 2026 17:02	5,883	74,822,972	45,842,000	2,989,000	2,297,856
27	Apr 6, 2026 16:57	5,884	73,920,179	47,841,000	996,000	2,297,856
28	Apr 6, 2026 16:57	5,884	82,099,798	46,843,000	1,993,000	2,297,856
29	Apr 6, 2026 16:57	5,985	77,423,184	47,645,000	2,027,000	2,412,544
30	Apr 6, 2026 17:02	6,004	78,696,818	46,841,000	2,989,000	2,297,856

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