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	Jun 7, 2024 14:44	3,787	53,414,621	29,402,000	2,027,000	2,494,464
2	Jun 7, 2024 14:44	3,794	57,860,848	30,508,000	984,000	2,482,176
3	Jun 7, 2024 14:44	3,797	61,023,302	29,479,000	2,033,000	2,457,600
4	Jun 7, 2024 14:44	3,803	54,283,516	30,551,000	1,018,000	2,482,176
5	Jun 7, 2024 14:44	3,807	58,780,219	31,595,000	0	2,273,280
6	Jun 7, 2024 14:44	3,808	59,914,055	30,589,000	1,019,000	2,482,176
7	Jun 7, 2024 14:44	3,811	56,540,388	29,588,000	2,040,000	2,273,280
8	Jun 7, 2024 14:44	3,834	58,491,058	29,831,000	1,988,000	2,273,280
9	Jun 7, 2024 14:44	3,835	57,633,916	28,849,000	2,984,000	2,273,280
10	Jun 7, 2024 14:44	3,835	60,473,385	30,835,000	994,000	2,273,280
11	Jun 7, 2024 14:44	3,838	57,737,372	28,866,000	2,986,000	2,494,464
12	Jun 7, 2024 14:44	3,839	63,351,168	29,871,000	1,991,000	2,273,280
13	Jun 7, 2024 14:44	3,841	52,524,005	29,822,000	2,056,000	2,347,008
14	Jun 7, 2024 14:44	3,852	59,378,094	29,976,000	1,998,000	2,273,280
15	Jun 7, 2024 14:44	3,863	54,342,922	31,065,000	1,002,000	2,478,080
16	Jun 7, 2024 14:44	3,865	59,978,466	30,076,000	2,005,000	2,273,280
17	Jun 7, 2024 14:44	3,871	56,416,760	30,123,000	2,008,000	2,273,280
18	Jun 7, 2024 14:44	3,878	53,712,674	31,185,000	1,005,000	2,490,368
19	Jun 7, 2024 14:44	3,879	54,259,033	29,176,000	3,018,000	2,297,856
20	Jun 7, 2024 14:44	3,881	54,552,069	30,199,000	2,013,000	2,498,560
21	Jun 7, 2024 14:44	3,883	57,118,759	30,216,000	2,014,000	2,273,280
22	Jun 7, 2024 14:44	3,890	57,114,615	29,260,000	3,026,000	2,273,280
23	Jun 7, 2024 14:44	3,890	58,714,240	29,264,000	3,027,000	2,285,568
24	Jun 7, 2024 14:44	3,891	54,905,330	30,274,000	2,018,000	2,383,872
25	Jun 7, 2024 14:44	3,892	56,396,709	29,277,000	3,028,000	2,490,368
26	Jun 7, 2024 14:44	3,895	56,184,276	30,307,000	2,020,000	2,494,464
27	Jun 7, 2024 14:44	3,895	58,000,934	30,310,000	2,020,000	2,273,280
28	Jun 7, 2024 14:44	3,896	53,407,207	30,318,000	2,021,000	2,273,280
29	Jun 7, 2024 14:44	3,896	56,951,806	30,313,000	2,020,000	2,490,368
30	Jun 7, 2024 14:44	3,899	55,881,937	30,337,000	2,022,000	2,342,912
31	Jun 7, 2024 14:44	3,900	57,147,033	29,339,000	3,035,000	2,490,368
32	Jun 7, 2024 14:44	3,901	55,654,104	30,358,000	2,023,000	2,387,968
33	Jun 7, 2024 14:44	3,907	53,272,310	29,388,000	3,040,000	2,273,280
34	Jun 7, 2024 14:44	3,908	56,102,061	32,435,000	0	2,273,280
35	Jun 7, 2024 14:44	3,909	60,856,044	31,434,000	1,014,000	2,273,280
36	Jun 7, 2024 14:44	3,909	59,695,705	31,434,000	1,014,000	2,506,752
37	Jun 7, 2024 14:44	3,911	58,977,118	31,448,000	1,014,000	2,273,280
38	Jun 7, 2024 14:44	3,911	59,703,107	30,432,000	2,028,000	2,486,272
39	Jun 7, 2024 14:44	3,913	53,977,844	32,478,000	0	2,490,368
40	Jun 7, 2024 14:44	3,913	54,556,062	32,476,000	0	2,273,280
41	Jun 7, 2024 14:44	3,916	52,408,168	29,454,000	3,047,000	2,490,368
42	Jun 7, 2024 14:44	3,917	57,942,892	31,492,000	1,015,000	2,273,280
43	Jun 7, 2024 14:44	3,918	54,216,350	31,505,000	1,016,000	2,482,176
44	Jun 7, 2024 14:44	3,918	60,179,373	30,489,000	2,032,000	2,482,176
45	Jun 7, 2024 14:44	3,918	52,941,646	31,504,000	1,016,000	2,273,280
46	Jun 7, 2024 14:44	3,919	53,184,646	30,498,000	2,033,000	2,478,080
47	Jun 7, 2024 14:44	3,920	60,960,240	31,520,000	1,016,000	2,260,992
48	Jun 7, 2024 14:44	3,920	55,422,777	31,517,000	1,016,000	2,482,176
49	Jun 7, 2024 14:44	3,924	59,789,287	31,555,000	1,017,000	2,273,280
50	Jun 7, 2024 14:44	3,924	52,277,718	31,555,000	1,017,000	2,486,272
51	Jun 7, 2024 14:44	3,925	59,813,464	30,542,000	2,036,000	2,273,280
52	Jun 7, 2024 14:44	3,926	62,853,494	30,546,000	2,036,000	2,273,280
53	Jun 7, 2024 14:44	3,930	60,933,088	30,579,000	2,038,000	2,273,280
54	Jun 7, 2024 14:44	3,931	56,750,723	32,624,000	0	2,482,176
55	Jun 7, 2024 14:44	3,931	62,629,973	31,605,000	1,019,000	2,486,272
56	Jun 7, 2024 14:44	3,935	61,844,073	31,642,000	1,020,000	2,273,280
57	Jun 7, 2024 14:44	3,938	66,223,605	31,661,000	1,021,000	2,506,752
58	Jun 7, 2024 14:44	3,951	60,123,169	29,810,000	2,981,000	2,482,176
59	Jun 7, 2024 14:44	3,951	63,584,658	31,803,000	993,000	2,285,568
60	Jun 7, 2024 14:44	3,954	59,107,199	30,833,000	1,989,000	2,273,280
61	Jun 7, 2024 14:44	3,956	62,346,705	29,848,000	2,984,000	2,482,176
62	Jun 7, 2024 14:44	3,956	64,555,776	30,848,000	1,990,000	2,273,280
63	Jun 7, 2024 14:44	3,957	62,975,487	30,857,000	1,990,000	2,273,280
64	Jun 7, 2024 14:44	3,959	58,398,025	29,876,000	2,987,000	2,273,280
65	Jun 7, 2024 14:44	3,963	58,131,106	30,898,000	1,993,000	2,273,280
66	Jun 7, 2024 14:44	3,965	71,116,655	30,912,000	1,994,000	2,482,176
67	Jun 7, 2024 14:44	3,966	59,321,764	29,927,000	2,992,000	2,486,272
68	Jun 7, 2024 14:44	3,967	62,105,964	29,930,000	2,993,000	2,273,280
69	Jun 7, 2024 14:44	3,974	59,710,153	29,985,000	2,998,000	2,424,832
70	Jun 7, 2024 14:44	3,975	56,598,263	30,995,000	1,999,000	2,490,368
71	Jun 7, 2024 14:44	3,986	57,027,296	30,078,000	3,007,000	2,490,368
72	Jun 7, 2024 14:44	3,989	56,371,925	30,101,000	3,010,000	2,428,928
73	Jun 7, 2024 14:44	3,992	55,397,269	30,123,000	3,012,000	2,478,080
74	Jun 7, 2024 14:44	3,996	53,860,541	31,156,000	2,010,000	2,486,272
75	Jun 7, 2024 14:44	4,008	57,562,899	31,253,000	2,016,000	2,273,280
76	Jun 7, 2024 14:44	4,008	55,567,490	32,260,000	1,008,000	2,273,280
77	Jun 7, 2024 14:44	4,010	67,159,192	30,259,000	3,025,000	2,514,944
78	Jun 7, 2024 14:44	4,011	55,251,124	31,272,000	2,017,000	2,273,280
79	Jun 7, 2024 14:44	4,016	59,615,800	31,314,000	2,020,000	2,342,912
80	Jun 7, 2024 14:44	4,019	62,166,807	30,329,000	3,032,000	2,486,272
81	Jun 7, 2024 14:44	4,037	52,170,148	32,494,000	1,015,000	2,273,280
82	Jun 7, 2024 14:44	4,041	55,905,211	32,527,000	1,016,000	2,273,280
83	Jun 7, 2024 14:44	4,085	61,873,837	30,914,000	2,991,000	2,301,952
84	Jun 7, 2024 14:44	4,107	110,923,366	34,087,354	0	2,236,416
85	Jun 7, 2024 14:44	4,107	98,722,863	34,090,398	0	2,240,512
86	Jun 7, 2024 14:44	4,109	55,792,775	32,097,000	2,006,000	2,273,280
87	Jun 7, 2024 14:44	4,116	100,480,441	34,160,136	0	2,240,512
88	Jun 7, 2024 14:44	4,123	118,459,956	34,216,992	0	2,244,608
89	Jun 7, 2024 14:44	4,136	98,467,907	34,332,621	0	2,232,320
90	Jun 7, 2024 14:44	4,138	102,102,116	34,347,729	0	2,244,608
91	Jun 7, 2024 14:44	4,138	97,859,555	34,342,424	0	2,248,704
92	Jun 7, 2024 14:44	4,139	114,420,704	34,351,075	0	2,236,416
93	Jun 7, 2024 14:44	4,141	92,562,424	34,370,101	0	2,240,512
94	Jun 7, 2024 14:44	4,149	99,125,463	34,436,119	0	2,228,224
95	Jun 7, 2024 14:44	4,157	92,298,213	34,506,901	0	2,232,320
96	Jun 7, 2024 14:44	4,163	89,546,914	34,549,371	0	2,248,704
97	Jun 7, 2024 14:44	4,163	93,641,313	34,553,563	0	2,236,416
98	Jun 7, 2024 14:44	4,167	106,343,664	34,582,679	0	2,240,512
99	Jun 7, 2024 14:44	4,170	129,941,065	34,608,840	0	2,379,776
100	Jun 7, 2024 14:44	4,179	105,586,445	34,681,621	0	2,240,512
101	Jun 7, 2024 14:44	4,193	97,430,863	34,805,061	0	2,240,512
102	Jun 7, 2024 14:44	4,205	107,731,542	34,898,359	0	2,240,512
103	Jun 7, 2024 14:44	4,208	97,779,874	34,924,083	0	2,240,512
104	Jun 7, 2024 14:44	4,215	112,549,761	34,984,228	0	2,244,608
105	Jun 7, 2024 14:44	4,253	124,400,732	35,297,965	0	2,371,584
106	Jun 7, 2024 14:44	4,291	106,499,920	35,616,217	0	2,240,512
107	Jun 7, 2024 14:44	4,312	106,604,445	35,789,143	0	2,240,512
108	Jun 7, 2024 14:44	4,347	99,011,509	36,083,737	0	2,236,416

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