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 listFeb 18, 2026 23:11

lipapipa

Score: 5,859

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Feb 19, 2026 20:54	5,663	71,716,489	45,007,000	2,000,000	2,363,392
2	Feb 19, 2026 07:57	5,685	67,802,535	45,178,000	2,007,000	2,367,488
3	Feb 19, 2026 20:35	5,687	69,471,410	44,191,000	3,013,000	2,371,584
4	Feb 19, 2026 20:35	5,693	72,151,920	45,241,000	2,010,000	2,367,488
5	Feb 19, 2026 07:57	5,705	76,741,575	44,327,000	3,022,000	2,318,336
6	Feb 19, 2026 19:57	5,716	81,209,593	44,413,000	3,028,000	2,318,336
7	Feb 19, 2026 07:57	5,718	71,630,536	45,442,000	2,019,000	2,371,584
8	Feb 19, 2026 07:57	5,728	75,514,566	44,506,000	3,034,000	2,306,048
9	Feb 19, 2026 20:35	5,736	75,481,402	45,580,000	2,025,000	2,383,872
10	Feb 19, 2026 20:35	5,747	73,712,225	45,673,000	2,029,000	2,265,088
11	Feb 19, 2026 08:33	5,760	73,565,912	45,813,000	1,991,000	2,371,584
12	Feb 19, 2026 07:57	5,761	78,532,879	45,826,000	1,992,000	2,318,336
13	Feb 19, 2026 20:35	5,762	76,016,164	45,832,000	1,992,000	2,359,296
14	Feb 19, 2026 07:57	5,763	74,586,958	43,848,000	3,986,000	2,457,600
15	Feb 19, 2026 20:53	5,764	70,388,744	46,824,000	1,017,000	2,502,656
16	Feb 19, 2026 20:35	5,764	78,796,343	43,855,000	3,986,000	2,297,856
17	Feb 19, 2026 20:54	5,785	69,440,452	46,014,000	2,000,000	2,297,856
18	Feb 19, 2026 20:35	5,785	71,505,037	45,015,000	3,001,000	2,347,008
19	Feb 19, 2026 07:57	5,786	69,472,350	44,021,000	4,001,000	2,363,392
20	Feb 19, 2026 19:57	5,804	73,400,271	46,169,000	2,007,000	2,375,680
21	Feb 19, 2026 08:33	5,806	73,754,726	47,185,000	1,003,000	2,359,296
22	Feb 19, 2026 20:35	5,809	74,862,235	45,203,000	3,013,000	2,371,584
23	Feb 19, 2026 19:11	5,818	73,107,221	46,275,000	2,011,000	2,453,504
24	Feb 19, 2026 07:57	5,818	70,572,608	46,277,000	2,012,000	2,351,104
25	Feb 19, 2026 20:53	5,818	72,671,842	46,276,000	2,012,000	2,318,336
26	Feb 19, 2026 20:35	5,824	71,150,336	46,324,000	2,014,000	2,473,984
27	Feb 19, 2026 08:33	5,826	74,886,980	45,332,000	3,022,000	2,347,008
28	Feb 19, 2026 20:35	5,827	73,262,956	45,340,000	3,022,000	2,478,080
29	Feb 19, 2026 19:11	5,829	74,045,263	47,375,000	1,007,000	2,367,488
30	Feb 19, 2026 19:11	5,839	69,118,535	48,462,000	0	2,494,464
31	Feb 19, 2026 20:35	5,839	78,415,157	47,452,000	1,009,000	2,359,296
32	Feb 19, 2026 19:57	5,841	76,938,066	46,458,000	2,019,000	2,498,560
33	Feb 19, 2026 20:35	5,841	69,548,994	47,470,000	1,010,000	2,367,488
34	Feb 19, 2026 19:57	5,844	70,144,028	46,487,000	2,021,000	2,465,792
35	Feb 19, 2026 20:54	5,859	72,025,502	48,633,000	0	2,371,584
36	Feb 19, 2026 20:35	5,860	77,650,462	46,610,000	2,026,000	2,363,392
37	Feb 19, 2026 07:57	5,875	74,727,235	46,771,000	1,990,000	2,334,720
38	Feb 19, 2026 08:33	5,880	75,157,517	44,820,000	3,984,000	2,367,488
39	Feb 19, 2026 19:11	5,882	77,873,371	46,830,000	1,992,000	2,478,080
40	Feb 19, 2026 20:53	5,883	76,832,634	47,836,000	996,000	2,461,696
41	Feb 19, 2026 19:11	5,890	72,480,041	45,898,000	2,993,000	2,449,408
42	Feb 19, 2026 19:57	5,896	71,572,739	44,943,000	3,994,000	2,519,040
43	Feb 19, 2026 20:53	5,906	76,707,704	47,020,000	2,000,000	2,473,984
44	Feb 19, 2026 07:57	5,911	74,343,757	47,059,000	2,002,000	2,371,584
45	Feb 19, 2026 08:33	5,933	73,902,708	47,235,000	2,010,000	2,314,240
46	Feb 19, 2026 07:57	5,952	70,871,133	47,384,000	2,016,000	2,318,336
47	Feb 19, 2026 20:35	5,962	78,373,689	47,462,000	2,019,000	2,510,848
48	Feb 19, 2026 08:33	5,975	77,709,394	47,568,000	2,024,000	2,363,392
49	Feb 19, 2026 20:35	6,001	76,293,318	47,819,000	1,992,000	2,359,296
50	Feb 19, 2026 20:35	6,008	73,794,432	46,877,000	2,992,000	2,482,176
51	Feb 19, 2026 07:57	6,011	75,851,434	46,901,000	2,993,000	2,486,272
52	Feb 19, 2026 20:35	6,031	76,498,525	47,053,000	3,003,000	2,363,392
53	Feb 19, 2026 19:11	6,033	72,069,244	48,073,000	2,003,000	2,379,776
54	Feb 19, 2026 19:57	6,043	71,823,756	47,149,000	3,009,000	2,363,392
55	Feb 19, 2026 20:53	6,057	75,623,353	48,265,000	2,011,000	2,367,488
56	Feb 18, 2026 23:11	6,064	77,350,349	48,321,000	2,013,000	2,371,584
57	Feb 18, 2026 23:11	6,110	79,115,400	48,682,000	2,028,000	2,297,856
58	Feb 18, 2026 23:11	6,127	75,665,141	48,820,000	2,034,000	2,506,752
59	Feb 18, 2026 23:11	6,141	76,103,928	48,971,000	1,998,000	2,379,776
60	Feb 18, 2026 23:11	6,151	76,310,834	48,048,000	3,003,000	2,273,280
61	Feb 18, 2026 23:11	6,156	74,819,111	49,093,000	2,003,000	2,297,856
62	Feb 18, 2026 23:11	6,175	73,312,483	47,231,000	4,019,000	2,375,680
63	Feb 18, 2026 23:11	6,212	79,826,513	49,535,000	2,021,000	2,293,760
64	Feb 18, 2026 23:11	6,223	75,888,639	48,672,000	2,979,000	2,297,856
65	Feb 19, 2026 20:53	6,226	85,056,756	49,653,000	2,026,000	2,371,584
66	Feb 19, 2026 20:35	6,244	78,763,504	50,828,000	996,000	2,449,408
67	Feb 18, 2026 23:11	6,244	79,085,921	50,827,000	996,000	2,289,664
68	Feb 18, 2026 23:11	6,357	81,420,059	50,770,000	1,991,000	2,375,680
69	Feb 18, 2026 23:11	6,486	84,207,913	50,842,000	2,990,000	2,301,952

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