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: 3,472Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Mar 30, 2026 01:20	3,435	47,522,273	27,495,000	1,018,000	2,441,216
2	Mar 30, 2026 01:18	3,436	50,409,850	27,504,000	1,018,000	2,428,928
3	Mar 31, 2026 02:11	3,436	50,148,882	27,502,000	1,018,000	2,441,216
4	Mar 30, 2026 01:18	3,437	56,138,556	27,506,000	1,018,000	2,441,216
5	Mar 30, 2026 01:20	3,438	47,458,290	27,513,000	1,019,000	2,433,024
6	Mar 31, 2026 02:14	3,440	49,273,752	27,531,000	1,019,000	2,428,928
7	Mar 31, 2026 02:14	3,441	51,166,778	27,543,000	1,020,000	2,510,848
8	Mar 31, 2026 02:14	3,447	53,044,736	27,592,000	1,021,000	2,519,040
9	Mar 30, 2026 01:20	3,447	54,627,157	27,586,000	1,021,000	2,433,024
10	Mar 30, 2026 01:20	3,447	51,570,220	27,589,000	1,021,000	2,519,040
11	Mar 31, 2026 02:11	3,447	51,424,101	27,591,000	1,021,000	2,441,216
12	Mar 31, 2026 22:08	3,448	49,121,648	27,597,000	1,022,000	2,428,928
13	Mar 30, 2026 01:20	3,450	58,217,445	27,615,000	1,022,000	2,519,040
14	Mar 31, 2026 22:08	3,450	51,432,442	27,611,000	1,022,000	2,519,040
15	Mar 30, 2026 01:20	3,451	54,740,040	27,623,000	1,023,000	2,433,024
16	Mar 30, 2026 01:19	3,453	55,248,669	27,641,000	1,023,000	2,433,024
17	Mar 31, 2026 02:11	3,455	55,332,468	27,649,000	1,024,000	2,428,928
18	Mar 31, 2026 02:11	3,455	54,214,227	27,652,000	1,024,000	2,424,832
19	Mar 30, 2026 01:33	3,465	56,760,518	27,765,000	991,000	2,433,024
20	Mar 30, 2026 01:33	3,472	55,459,297	26,829,000	1,987,000	2,519,040
21	Mar 30, 2026 01:19	3,473	53,629,753	26,840,000	1,988,000	2,523,136
22	Mar 30, 2026 01:38	3,475	58,265,512	26,853,000	1,989,000	2,437,120
23	Mar 30, 2026 01:19	3,475	54,762,212	26,852,000	1,989,000	2,428,928
24	Mar 30, 2026 01:20	3,475	53,655,085	26,856,000	1,989,000	2,519,040
25	Mar 31, 2026 02:14	3,475	59,971,672	27,850,000	994,000	2,519,040
26	Mar 31, 2026 02:11	3,475	57,233,730	26,856,000	1,989,000	2,519,040
27	Mar 31, 2026 02:11	3,475	57,062,149	26,857,000	1,989,000	2,510,848
28	Mar 31, 2026 02:14	3,476	58,026,149	27,822,000	1,030,000	2,531,328
29	Mar 30, 2026 01:38	3,476	53,663,151	26,861,000	1,989,000	2,420,736
30	Mar 31, 2026 02:14	3,476	59,466,765	26,858,000	1,989,000	2,433,024
31	Mar 30, 2026 01:18	3,476	55,227,168	27,853,000	994,000	2,523,136
32	Mar 30, 2026 01:29	3,483	48,265,564	26,915,000	1,993,000	2,433,024
33	Mar 30, 2026 01:20	3,491	49,195,652	26,975,000	1,998,000	2,428,928
34	Mar 30, 2026 01:38	3,493	48,736,775	26,994,000	1,999,000	2,510,848
35	Mar 30, 2026 01:29	3,519	51,595,458	28,204,000	1,007,000	2,510,848
36	Mar 30, 2026 01:20	3,530	48,606,232	28,291,000	1,010,000	2,433,024
37	Mar 31, 2026 22:08	3,594	53,830,654	28,838,000	994,000	2,510,848
38	Mar 30, 2026 01:33	3,596	52,290,716	28,851,000	994,000	2,486,272
39	Mar 30, 2026 01:29	3,598	61,521,569	27,871,000	1,990,000	2,433,024

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