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 27, 2026 19:49

lipapipa

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Feb 27, 2026 19:48	5,680	75,623,196	46,145,000	1,003,000	2,297,856
2	Feb 27, 2026 19:48	5,687	77,306,215	45,192,000	2,008,000	2,457,600
3	Feb 27, 2026 19:49	5,689	72,802,259	44,207,000	3,014,000	2,289,664
4	Feb 27, 2026 19:48	5,695	72,069,645	46,263,000	1,005,000	2,437,120
5	Feb 27, 2026 19:49	5,737	76,516,668	46,600,000	1,013,000	2,379,776
6	Feb 27, 2026 19:50	5,757	74,369,122	46,788,000	995,000	2,359,296
7	Feb 27, 2026 19:50	5,768	72,333,933	45,880,000	1,994,000	2,375,680
8	Feb 27, 2026 19:50	5,770	70,639,932	44,900,000	2,993,000	2,473,984
9	Feb 27, 2026 19:48	5,770	75,540,022	44,897,000	2,993,000	2,363,392
10	Feb 27, 2026 19:49	5,776	68,370,009	44,948,000	2,996,000	2,461,696
11	Feb 27, 2026 19:48	5,782	71,218,821	43,989,000	3,999,000	2,514,944
12	Feb 27, 2026 19:48	5,787	73,864,340	45,032,000	3,002,000	2,347,008
13	Feb 27, 2026 19:50	5,791	70,292,531	45,062,000	3,004,000	2,375,680
14	Feb 27, 2026 19:48	5,799	76,536,872	46,126,000	2,005,000	2,371,584
15	Feb 27, 2026 19:50	5,801	72,658,289	45,137,000	3,009,000	2,314,240
16	Feb 27, 2026 19:48	5,815	68,572,285	45,250,000	3,016,000	2,363,392
17	Feb 27, 2026 19:48	5,824	71,837,604	46,328,000	2,014,000	2,293,760
18	Feb 27, 2026 19:48	5,828	69,029,150	46,355,000	2,015,000	2,371,584
19	Feb 27, 2026 19:49	5,831	72,245,316	46,379,000	2,016,000	2,433,024
20	Feb 27, 2026 19:48	5,838	72,012,699	46,437,000	2,019,000	2,379,776
21	Feb 27, 2026 19:49	5,838	74,384,594	48,459,000	0	2,277,376
22	Feb 27, 2026 19:48	5,841	69,544,255	47,472,000	1,010,000	2,519,040
23	Feb 27, 2026 19:48	5,855	78,155,252	47,584,000	1,012,000	2,355,200
24	Feb 27, 2026 19:48	5,864	74,575,059	45,632,000	3,042,000	2,453,504
25	Feb 27, 2026 19:48	5,882	79,202,578	46,830,000	1,992,000	2,506,752
26	Feb 27, 2026 19:49	5,884	79,769,010	45,845,000	2,989,000	2,379,776
27	Feb 27, 2026 19:49	5,899	74,120,292	45,964,000	2,997,000	2,523,136
28	Feb 27, 2026 19:48	5,916	73,147,659	46,095,000	3,006,000	2,359,296
29	Feb 27, 2026 19:48	5,918	74,257,233	46,115,000	3,007,000	2,363,392
30	Feb 27, 2026 19:48	5,926	71,789,046	47,178,000	2,007,000	2,359,296
31	Feb 27, 2026 19:49	5,928	72,856,798	44,180,000	5,020,000	2,506,752
32	Feb 27, 2026 19:50	5,931	76,031,766	46,211,000	3,013,000	2,519,040
33	Feb 27, 2026 19:48	5,932	73,696,240	46,222,000	3,014,000	2,269,184
34	Feb 27, 2026 19:48	5,933	75,422,073	47,238,000	2,010,000	2,367,488
35	Feb 27, 2026 19:48	5,955	76,047,974	48,420,000	1,008,000	2,347,008
36	Feb 27, 2026 19:49	5,969	75,850,668	46,511,000	3,033,000	2,342,912
37	Feb 27, 2026 19:48	5,973	83,761,725	47,556,000	2,023,000	2,375,680
38	Feb 27, 2026 19:49	6,001	73,790,199	46,820,000	2,988,000	2,519,040
39	Feb 27, 2026 19:49	6,016	74,888,737	47,936,000	1,997,000	2,367,488
40	Feb 27, 2026 19:49	6,025	76,404,934	47,007,000	3,000,000	2,490,368
41	Feb 27, 2026 19:48	6,071	79,619,833	47,364,000	3,023,000	2,371,584
42	Feb 27, 2026 19:49	6,182	76,488,603	47,286,000	4,024,000	2,375,680
43	Feb 27, 2026 19:48	6,184	74,316,866	50,320,000	1,006,000	2,318,336
44	Feb 27, 2026 19:49	6,209	88,385,627	49,515,000	2,021,000	2,527,232
45	Feb 27, 2026 19:49	6,216	76,965,782	50,579,000	1,011,000	2,428,928
46	Feb 27, 2026 19:49	6,252	79,735,724	48,897,000	2,993,000	2,387,968
47	Feb 27, 2026 19:49	6,258	74,190,493	48,948,000	2,996,000	2,506,752
48	Feb 27, 2026 19:49	6,269	78,255,084	49,030,000	3,001,000	2,437,120
49	Feb 27, 2026 19:49	6,276	72,263,526	49,085,000	3,005,000	2,289,664
50	Feb 27, 2026 19:49	6,280	74,983,174	49,121,000	3,007,000	2,437,120
51	Feb 27, 2026 19:49	6,285	74,494,847	50,156,000	2,006,000	2,379,776
52	Feb 27, 2026 19:49	6,287	80,724,685	51,177,000	1,003,000	2,449,408
53	Feb 27, 2026 19:49	6,287	73,676,548	48,168,000	4,014,000	2,363,392
54	Feb 27, 2026 19:49	6,291	75,256,167	50,210,000	2,008,000	2,318,336
55	Feb 27, 2026 19:49	6,299	80,706,832	49,269,000	3,016,000	2,453,504
56	Feb 27, 2026 19:49	6,299	76,802,304	49,265,000	3,016,000	2,437,120
57	Feb 27, 2026 19:49	6,302	72,341,572	50,292,000	2,011,000	2,289,664
58	Feb 27, 2026 19:49	6,305	80,714,541	49,312,000	3,019,000	2,289,664
59	Feb 27, 2026 19:49	6,337	78,251,489	49,564,000	3,034,000	2,523,136
60	Feb 27, 2026 19:49	6,338	87,748,660	50,582,000	2,023,000	2,314,240
61	Feb 27, 2026 19:49	6,348	82,659,015	51,695,000	994,000	2,437,120
62	Feb 27, 2026 19:49	6,385	84,137,326	50,997,000	1,999,000	2,441,216
63	Feb 27, 2026 19:49	6,400	73,256,768	51,114,000	2,004,000	2,420,736
64	Feb 27, 2026 19:49	6,432	75,543,775	51,371,000	2,014,000	2,441,216
65	Feb 27, 2026 19:49	6,445	78,571,850	51,474,000	2,018,000	2,428,928
66	Feb 27, 2026 19:49	6,453	83,450,632	51,577,000	1,983,000	2,289,664
67	Feb 27, 2026 19:49	6,508	78,211,669	49,018,000	5,001,000	2,441,216
68	Feb 27, 2026 19:49	6,603	82,995,429	51,816,000	2,989,000	2,367,488
69	Feb 27, 2026 19:49	6,608	83,569,282	51,855,000	2,991,000	2,326,528
70	Feb 27, 2026 19:49	6,615	77,016,100	52,912,000	1,996,000	2,289,664
71	Feb 27, 2026 19:49	6,646	78,760,376	54,157,000	1,002,000	2,445,312
72	Feb 27, 2026 19:49	6,728	80,137,825	52,852,000	2,991,000	2,428,928

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