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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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jan 27, 2023 08:44	11,606	161,123,266	96,333,443	0	2,273,280
2	Jan 27, 2023 07:37	11,609	159,863,978	96,357,043	0	2,277,376
3	Jan 27, 2023 08:44	11,615	162,435,984	96,407,726	0	2,277,376
4	Jan 27, 2023 08:44	11,622	185,100,275	96,461,929	0	2,277,376
5	Jan 27, 2023 07:38	11,627	153,381,537	96,506,163	0	2,269,184
6	Jan 27, 2023 08:48	11,655	152,218,282	96,739,594	0	2,277,376
7	Jan 27, 2023 08:44	11,662	156,186,302	96,795,552	0	2,273,280
8	Jan 27, 2023 08:48	11,665	148,935,770	96,816,568	0	2,281,472
9	Jan 27, 2023 08:44	11,679	155,931,798	96,936,048	0	2,281,472
10	Jan 27, 2023 07:37	11,681	162,411,134	96,953,198	0	2,281,472
11	Jan 27, 2023 08:44	11,686	162,244,385	96,997,475	0	2,277,376
12	Jan 27, 2023 07:38	11,697	162,285,593	97,087,303	0	2,273,280
13	Jan 27, 2023 07:38	11,714	164,734,452	97,224,568	0	2,273,280
14	Jan 27, 2023 08:48	11,773	152,986,870	97,714,573	0	2,273,280
15	Jan 27, 2023 07:37	11,783	157,229,649	97,797,029	0	2,269,184
16	Jan 27, 2023 07:37	11,788	149,393,565	97,842,225	0	2,281,472
17	Jan 27, 2023 07:37	11,816	155,480,092	98,072,680	0	2,273,280
18	Jan 27, 2023 07:37	11,817	155,640,869	98,081,304	0	2,256,896
19	Jan 27, 2023 08:44	12,581	125,787,635	102,414,000	2,008,000	2,531,328
20	Jan 27, 2023 07:38	12,588	128,496,079	104,478,000	0	2,269,184
21	Jan 27, 2023 07:37	12,591	134,700,641	103,503,000	1,004,000	2,269,184
22	Jan 27, 2023 07:38	12,593	131,601,719	102,512,000	2,010,000	2,269,184
23	Jan 27, 2023 07:37	12,595	137,628,832	103,535,000	1,005,000	2,514,944
24	Jan 27, 2023 08:44	12,597	137,050,200	102,546,000	2,010,000	2,269,184
25	Jan 27, 2023 07:37	12,622	132,856,344	103,769,000	997,000	2,523,136
26	Jan 27, 2023 08:48	12,624	129,154,388	102,787,000	1,995,000	2,269,184
27	Jan 27, 2023 07:38	12,624	130,728,506	101,788,000	2,993,000	2,269,184
28	Jan 27, 2023 08:44	12,625	133,627,953	102,793,000	1,995,000	2,269,184
29	Jan 27, 2023 08:44	12,625	130,418,706	102,793,000	1,995,000	2,531,328
30	Jan 27, 2023 07:37	12,626	133,227,911	102,796,000	1,996,000	2,269,184
31	Jan 27, 2023 08:44	12,626	131,391,181	103,797,000	998,000	2,269,184
32	Jan 27, 2023 08:48	12,627	135,259,948	101,806,000	2,994,000	2,531,328
33	Jan 27, 2023 08:44	12,628	132,068,060	102,816,000	1,996,000	2,269,184
34	Jan 27, 2023 08:48	12,629	129,592,626	102,828,000	1,996,000	2,260,992
35	Jan 27, 2023 08:44	12,631	127,992,496	102,838,000	1,996,000	2,269,184
36	Jan 27, 2023 07:38	12,638	126,237,239	102,900,000	1,998,000	2,531,328
37	Jan 27, 2023 08:44	12,642	126,261,257	102,932,000	1,998,000	2,269,184
38	Jan 27, 2023 08:48	12,642	130,072,629	103,933,000	999,000	2,269,184
39	Jan 27, 2023 07:37	12,643	126,401,548	102,943,000	1,998,000	2,269,184
40	Jan 27, 2023 08:44	12,643	127,828,356	102,943,000	1,998,000	2,531,328
41	Jan 27, 2023 07:37	12,644	134,689,012	102,947,000	1,998,000	2,523,136
42	Jan 27, 2023 08:44	12,648	128,583,278	101,982,000	2,999,000	2,269,184
43	Jan 27, 2023 07:38	12,650	129,042,453	101,994,000	2,999,000	2,265,088
44	Jan 27, 2023 08:44	12,652	127,687,152	103,010,000	2,000,000	2,265,088
45	Jan 27, 2023 07:37	12,665	129,595,275	104,122,000	1,001,000	2,269,184
46	Jan 27, 2023 08:48	12,665	128,592,709	104,118,000	1,001,000	2,531,328
47	Jan 27, 2023 08:44	12,667	138,725,622	103,135,000	2,002,000	2,531,328
48	Jan 27, 2023 07:38	12,669	129,166,333	100,148,000	5,007,000	2,269,184
49	Jan 27, 2023 08:44	12,670	127,819,916	104,161,000	1,001,000	2,269,184
50	Jan 27, 2023 07:37	12,671	127,186,686	104,168,000	1,001,000	2,359,296
51	Jan 27, 2023 07:38	12,672	130,000,653	103,175,000	2,003,000	2,531,328
52	Jan 27, 2023 07:38	12,672	126,171,409	103,172,000	2,003,000	2,527,232
53	Jan 27, 2023 08:48	12,677	127,887,134	103,213,000	2,004,000	2,260,992
54	Jan 27, 2023 08:44	12,682	127,674,732	102,250,000	3,007,000	2,527,232
55	Jan 27, 2023 07:37	12,685	127,047,663	102,281,000	3,008,000	2,527,232
56	Jan 27, 2023 08:48	12,692	131,348,595	100,324,000	5,016,000	2,359,296
57	Jan 27, 2023 07:38	12,693	132,969,331	105,351,000	0	2,269,184
58	Jan 27, 2023 07:37	12,697	132,061,319	104,380,000	1,003,000	2,269,184
59	Jan 27, 2023 07:37	12,699	127,449,330	103,396,000	2,007,000	2,269,184
60	Jan 27, 2023 08:44	12,713	131,567,552	104,515,000	1,004,000	2,531,328
61	Jan 27, 2023 07:37	12,716	128,432,089	105,545,000	0	2,383,872
62	Jan 27, 2023 07:37	12,732	132,375,173	104,677,000	996,000	2,269,184
63	Jan 27, 2023 07:37	12,746	136,466,793	102,800,000	2,994,000	2,519,040
64	Jan 27, 2023 08:48	12,757	138,849,711	103,884,000	1,997,000	2,269,184
65	Jan 27, 2023 07:37	12,782	130,862,763	105,092,000	1,000,000	2,260,992
66	Jan 27, 2023 08:44	12,814	127,327,350	104,347,000	2,006,000	2,269,184
67	Jan 27, 2023 08:44	12,818	127,142,326	104,383,000	2,007,000	2,269,184
68	Jan 27, 2023 07:37	12,836	138,203,356	105,535,000	1,005,000	2,519,040
69	Jan 27, 2023 08:48	12,837	138,213,569	104,556,000	1,991,000	2,531,328
70	Jan 27, 2023 07:37	12,905	130,247,042	105,113,000	2,002,000	2,527,232
71	Jan 27, 2023 07:37	12,983	136,516,862	106,764,000	997,000	2,531,328
72	Jan 27, 2023 08:44	12,989	138,415,917	105,809,000	1,996,000	2,265,088

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