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: 3,426Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Mar 26, 2026 01:54	3,402	52,419,508	26,218,000	2,016,000	2,441,216
2	Mar 26, 2026 02:24	3,408	52,176,119	27,279,000	1,010,000	2,441,216
3	Mar 26, 2026 02:24	3,408	49,424,968	27,278,000	1,010,000	2,437,120
4	Mar 26, 2026 01:54	3,411	56,030,863	27,303,000	1,011,000	2,490,368
5	Mar 26, 2026 01:51	3,411	55,435,818	27,300,000	1,011,000	2,437,120
6	Mar 26, 2026 01:51	3,412	51,656,027	27,309,000	1,011,000	2,445,312
7	Mar 26, 2026 01:51	3,412	49,561,655	27,305,000	1,011,000	2,523,136
8	Mar 26, 2026 02:11	3,414	50,145,175	27,323,000	1,011,000	2,437,120
9	Mar 26, 2026 01:50	3,414	54,337,257	27,327,000	1,012,000	2,441,216
10	Mar 26, 2026 01:51	3,415	49,832,260	27,330,000	1,012,000	2,445,312
11	Mar 26, 2026 01:50	3,416	54,631,731	27,344,000	1,012,000	2,441,216
12	Mar 26, 2026 01:50	3,416	51,167,500	27,344,000	1,012,000	2,437,120
13	Mar 26, 2026 01:54	3,417	49,811,762	27,349,000	1,012,000	2,523,136
14	Mar 26, 2026 01:50	3,421	47,904,537	27,380,000	1,014,000	2,445,312
15	Mar 26, 2026 01:50	3,421	53,820,426	27,378,000	1,014,000	2,486,272
16	Mar 26, 2026 22:34	3,424	54,653,107	27,408,000	1,015,000	2,486,272
17	Mar 26, 2026 01:50	3,424	48,960,371	27,405,000	1,015,000	2,490,368
18	Mar 26, 2026 02:11	3,424	55,176,159	27,408,000	1,015,000	2,527,232
19	Mar 26, 2026 01:54	3,425	49,737,856	27,414,000	1,015,000	2,527,232
20	Mar 26, 2026 02:24	3,426	48,237,227	27,424,000	1,015,000	2,445,312
21	Mar 26, 2026 02:24	3,426	49,327,884	27,423,000	1,015,000	2,437,120
22	Mar 26, 2026 01:54	3,426	48,786,600	27,421,000	1,015,000	2,519,040
23	Mar 26, 2026 01:50	3,430	51,834,092	26,438,000	2,033,000	2,523,136
24	Mar 26, 2026 01:51	3,431	55,623,655	25,425,000	3,051,000	2,523,136
25	Mar 26, 2026 02:11	3,432	53,197,788	26,450,000	2,034,000	2,433,024
26	Mar 26, 2026 22:34	3,433	51,377,973	27,476,000	1,017,000	2,519,040
27	Mar 26, 2026 02:24	3,433	46,735,562	27,478,000	1,017,000	2,527,232
28	Mar 26, 2026 01:54	3,434	53,143,979	27,486,000	1,018,000	2,519,040
29	Mar 26, 2026 02:24	3,434	50,057,977	27,486,000	1,018,000	2,523,136
30	Mar 26, 2026 02:24	3,436	51,130,859	27,504,000	1,018,000	2,527,232
31	Mar 26, 2026 02:24	3,440	49,650,197	27,535,000	1,019,000	2,437,120
32	Mar 26, 2026 01:54	3,441	59,865,326	27,544,000	1,020,000	2,441,216
33	Mar 26, 2026 01:50	3,441	51,503,327	27,539,000	1,019,000	2,527,232
34	Mar 26, 2026 01:54	3,442	63,214,821	27,545,000	1,020,000	2,527,232
35	Mar 26, 2026 01:54	3,443	59,500,111	27,561,000	1,020,000	2,519,040
36	Mar 26, 2026 01:50	3,444	55,367,472	27,562,000	1,020,000	2,523,136
37	Mar 26, 2026 02:24	3,448	53,414,159	27,595,000	1,022,000	2,449,408
38	Mar 26, 2026 01:51	3,454	55,652,150	27,648,000	1,024,000	2,437,120
39	Mar 26, 2026 22:34	3,455	54,805,457	27,650,000	1,024,000	2,523,136

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