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: 3,415Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Apr 1, 2026 01:19	3,388	50,552,203	26,116,000	2,008,000	2,519,040
2	Apr 1, 2026 01:15	3,391	56,260,030	26,135,000	2,010,000	2,519,040
3	Apr 1, 2026 01:06	3,395	56,033,529	26,165,000	2,012,000	2,482,176
4	Apr 12, 2026 21:41	3,396	49,995,669	25,168,000	3,020,000	2,523,136
5	Apr 1, 2026 01:06	3,397	50,295,979	26,179,000	2,013,000	2,433,024
6	Apr 12, 2026 21:41	3,397	56,598,229	27,188,000	1,006,000	2,437,120
7	Apr 12, 2026 21:37	3,397	47,982,012	26,183,000	2,014,000	2,433,024
8	Apr 1, 2026 12:35	3,400	47,839,109	26,207,000	2,015,000	2,523,136
9	Apr 12, 2026 21:37	3,400	52,968,915	26,201,000	2,015,000	2,441,216
10	Apr 12, 2026 21:28	3,402	47,787,943	27,228,000	1,008,000	2,433,024
11	Apr 1, 2026 01:32	3,402	45,971,678	26,219,000	2,016,000	2,428,928
12	Apr 1, 2026 12:35	3,403	49,730,763	27,236,000	1,008,000	2,433,024
13	Apr 1, 2026 01:19	3,403	52,523,763	26,230,000	2,017,000	2,437,120
14	Apr 12, 2026 21:32	3,403	50,831,438	26,230,000	2,017,000	2,482,176
15	Apr 12, 2026 21:22	3,404	52,170,201	26,238,000	2,018,000	2,433,024
16	Apr 1, 2026 01:44	3,404	52,069,654	26,239,000	2,018,000	2,519,040
17	Apr 1, 2026 12:35	3,405	50,603,570	27,250,000	1,009,000	2,437,120
18	Apr 12, 2026 21:22	3,406	50,759,940	27,260,000	1,009,000	2,433,024
19	Apr 12, 2026 21:32	3,407	52,743,517	27,269,000	1,009,000	2,478,080
20	Apr 12, 2026 21:22	3,408	45,833,929	27,274,000	1,010,000	2,478,080
21	Apr 1, 2026 01:08	3,408	51,736,696	27,274,000	1,010,000	2,519,040
22	Apr 12, 2026 21:32	3,409	48,194,395	27,287,000	1,010,000	2,519,040
23	Apr 1, 2026 01:06	3,409	54,551,994	27,287,000	1,010,000	2,531,328
24	Apr 12, 2026 21:32	3,409	54,831,028	27,288,000	1,010,000	2,510,848
25	Apr 12, 2026 21:22	3,410	49,988,439	27,289,000	1,010,000	2,519,040
26	Apr 12, 2026 21:28	3,410	51,110,558	27,290,000	1,010,000	2,428,928
27	Apr 12, 2026 21:28	3,411	59,573,828	26,292,000	2,022,000	2,441,216
28	Apr 1, 2026 01:45	3,411	51,809,750	27,302,000	1,011,000	2,519,040
29	Apr 1, 2026 01:51	3,412	48,570,239	27,305,000	1,011,000	2,478,080
30	Apr 1, 2026 01:08	3,414	55,819,348	26,314,000	2,024,000	2,428,928
31	Apr 1, 2026 01:32	3,414	53,252,911	27,326,000	1,012,000	2,519,040
32	Apr 12, 2026 21:22	3,414	49,875,240	27,324,000	1,012,000	2,510,848
33	Apr 12, 2026 21:32	3,414	53,448,352	27,322,000	1,011,000	2,519,040
34	Apr 1, 2026 01:45	3,415	48,631,439	27,330,000	1,012,000	2,437,120
35	Apr 12, 2026 21:32	3,415	48,942,117	27,332,000	1,012,000	2,523,136
36	Apr 12, 2026 21:37	3,416	49,021,774	27,343,000	1,012,000	2,437,120
37	Apr 12, 2026 21:41	3,416	51,450,432	27,343,000	1,012,000	2,523,136
38	Apr 1, 2026 01:15	3,416	55,566,201	27,338,000	1,012,000	2,437,120
39	Apr 1, 2026 01:44	3,417	55,284,786	27,352,000	1,013,000	2,519,040
40	Apr 1, 2026 01:15	3,418	54,604,459	27,357,000	1,013,000	2,531,328
41	Apr 1, 2026 01:08	3,419	56,740,095	27,362,000	1,013,000	2,519,040
42	Apr 2, 2026 01:24	3,420	49,817,002	27,375,000	1,013,000	2,433,024
43	Apr 1, 2026 01:19	3,421	49,230,558	27,378,000	1,014,000	2,510,848
44	Apr 2, 2026 01:24	3,423	49,540,915	27,397,000	1,014,000	2,428,928
45	Apr 12, 2026 21:22	3,426	56,323,264	27,422,000	1,015,000	2,428,928
46	Apr 1, 2026 12:35	3,429	49,702,389	27,442,000	1,016,000	2,478,080
47	Apr 12, 2026 21:22	3,430	46,780,873	26,439,000	2,033,000	2,424,832
48	Apr 1, 2026 01:45	3,434	56,120,167	27,485,000	1,017,000	2,424,832
49	Apr 1, 2026 01:51	3,434	48,717,133	27,485,000	1,017,000	2,510,848
50	Apr 1, 2026 01:32	3,436	54,366,992	27,503,000	1,018,000	2,424,832
51	Apr 12, 2026 21:22	3,437	52,101,099	27,509,000	1,018,000	2,519,040
52	Apr 2, 2026 01:24	3,439	52,494,119	26,502,000	2,038,000	2,519,040
53	Apr 3, 2026 12:43	3,443	52,554,449	27,560,000	1,020,000	2,437,120
54	Apr 3, 2026 12:43	3,450	54,344,975	27,609,000	1,022,000	2,482,176
55	Apr 1, 2026 01:44	3,485	59,765,788	26,930,000	1,994,000	2,433,024
56	Apr 1, 2026 01:51	3,500	55,534,361	27,044,000	2,003,000	2,420,736
57	Apr 12, 2026 21:22	3,511	56,287,418	27,134,000	2,009,000	2,433,024
58	Apr 1, 2026 01:31	3,573	52,296,841	28,633,000	1,022,000	2,478,080
59	Apr 1, 2026 12:35	3,607	55,915,227	27,939,000	1,995,000	2,510,848
60	Apr 2, 2026 01:24	3,625	51,484,566	28,080,000	2,005,000	2,441,216
61	Apr 1, 2026 01:31	3,625	56,326,606	28,085,000	2,006,000	2,510,848
62	Apr 3, 2026 12:43	3,631	48,415,360	28,127,000	2,009,000	2,510,848
63	Apr 2, 2026 01:24	3,633	51,776,789	27,143,000	3,015,000	2,437,120
64	Apr 2, 2026 01:24	3,663	57,614,947	29,389,000	1,013,000	2,519,040
65	Apr 1, 2026 12:35	3,670	55,083,993	29,444,000	1,015,000	2,510,848
66	Apr 1, 2026 01:31	3,749	51,068,245	29,113,000	2,007,000	2,527,232

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