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 14:19	3,957	64,011,334	29,857,000	2,985,000	2,269,184
2	Jun 7, 2024 14:18	3,988	56,051,389	30,090,000	3,009,000	2,273,280
3	Jun 7, 2024 14:19	3,990	57,038,887	30,105,000	3,010,000	2,273,280
4	Jun 7, 2024 14:19	3,995	60,300,857	31,152,000	2,009,000	2,273,280
5	Jun 7, 2024 14:18	3,998	56,101,025	30,164,000	3,016,000	2,273,280
6	Jun 7, 2024 14:18	4,006	56,214,327	31,233,000	2,015,000	2,273,280
7	Jun 7, 2024 14:19	4,007	54,874,837	31,245,000	2,015,000	2,342,912
8	Jun 7, 2024 14:18	4,009	57,384,145	30,249,000	3,024,000	2,482,176
9	Jun 7, 2024 14:19	4,013	58,088,935	31,287,000	2,018,000	2,277,376
10	Jun 7, 2024 14:18	4,014	59,597,565	30,288,000	3,028,000	2,297,856
11	Jun 7, 2024 14:19	4,017	54,520,939	31,323,000	2,020,000	2,486,272
12	Jun 7, 2024 14:18	4,022	62,451,942	32,373,000	1,011,000	2,478,080
13	Jun 7, 2024 14:18	4,023	59,383,401	31,366,000	2,023,000	2,273,280
14	Jun 7, 2024 14:18	4,027	56,392,597	30,389,000	3,038,000	2,273,280
15	Jun 7, 2024 14:18	4,027	56,394,362	31,397,000	2,025,000	2,273,280
16	Jun 7, 2024 14:19	4,029	66,382,784	32,425,000	1,013,000	2,273,280
17	Jun 7, 2024 14:19	4,029	56,174,584	32,428,000	1,013,000	2,482,176
18	Jun 7, 2024 14:18	4,029	60,488,883	31,411,000	2,026,000	2,490,368
19	Jun 7, 2024 14:18	4,030	60,787,333	31,424,000	2,027,000	2,273,280
20	Jun 7, 2024 14:19	4,031	62,960,003	32,446,000	1,013,000	2,416,640
21	Jun 7, 2024 14:18	4,033	52,725,518	31,443,000	2,028,000	2,273,280
22	Jun 7, 2024 14:18	4,034	60,509,569	32,468,000	1,014,000	2,273,280
23	Jun 7, 2024 14:18	4,035	64,278,103	33,488,000	0	2,482,176
24	Jun 7, 2024 14:18	4,036	58,367,644	31,468,000	2,030,000	2,273,280
25	Jun 7, 2024 14:19	4,036	59,464,343	32,483,000	1,015,000	2,277,376
26	Jun 7, 2024 14:18	4,039	63,753,498	32,505,000	1,015,000	2,482,176
27	Jun 7, 2024 14:18	4,040	55,020,250	33,531,000	0	2,273,280
28	Jun 7, 2024 14:18	4,044	54,342,173	31,533,000	2,034,000	2,273,280
29	Jun 7, 2024 14:18	4,044	58,267,542	32,552,000	1,017,000	2,334,720
30	Jun 7, 2024 14:19	4,050	63,275,868	32,599,000	1,018,000	2,482,176
31	Jun 7, 2024 14:18	4,050	59,471,287	33,614,000	0	2,273,280
32	Jun 7, 2024 14:18	4,050	61,975,593	32,601,000	1,018,000	2,273,280
33	Jun 7, 2024 14:18	4,051	59,933,034	32,605,000	1,018,000	2,486,272
34	Jun 7, 2024 14:18	4,051	57,903,475	32,607,000	1,018,000	2,342,912
35	Jun 7, 2024 14:19	4,052	61,270,950	32,611,000	1,019,000	2,273,280
36	Jun 7, 2024 14:18	4,052	61,552,405	32,615,000	1,019,000	2,347,008
37	Jun 7, 2024 14:18	4,053	58,428,892	31,605,000	2,039,000	2,490,368
38	Jun 7, 2024 14:19	4,056	64,632,870	32,642,000	1,020,000	2,273,280
39	Jun 7, 2024 14:19	4,057	58,806,150	31,632,000	2,040,000	2,490,368
40	Jun 7, 2024 14:18	4,057	59,710,793	33,672,000	0	2,273,280
41	Jun 7, 2024 14:19	4,060	57,904,385	31,659,000	2,042,000	2,404,352
42	Jun 7, 2024 14:18	4,062	59,774,194	33,712,000	0	2,273,280
43	Jun 7, 2024 14:19	4,063	61,838,814	32,702,000	1,021,000	2,482,176
44	Jun 7, 2024 14:18	4,074	63,252,452	31,823,000	1,988,000	2,273,280
45	Jun 7, 2024 14:19	4,076	57,668,714	32,835,000	995,000	2,273,280
46	Jun 7, 2024 14:18	4,076	67,347,675	31,843,000	1,990,000	2,490,368
47	Jun 7, 2024 14:19	4,077	60,493,582	32,843,000	995,000	2,486,272
48	Jun 7, 2024 14:19	4,077	61,558,208	32,846,000	995,000	2,342,912
49	Jun 7, 2024 14:18	4,077	60,036,142	32,844,000	995,000	2,486,272
50	Jun 7, 2024 14:18	4,077	71,784,766	31,853,000	1,990,000	2,482,176
51	Jun 7, 2024 14:19	4,078	59,790,556	31,858,000	1,991,000	2,273,280
52	Jun 7, 2024 14:18	4,078	64,342,357	30,861,000	2,986,000	2,273,280
53	Jun 7, 2024 14:18	4,078	58,264,593	32,826,000	1,025,000	2,273,280
54	Jun 7, 2024 14:18	4,079	60,018,468	32,859,000	995,000	2,478,080
55	Jun 7, 2024 14:19	4,080	63,751,408	31,874,000	1,992,000	2,482,176
56	Jun 7, 2024 14:18	4,081	58,259,406	31,881,000	1,992,000	2,273,280
57	Jun 7, 2024 14:19	4,083	55,582,605	30,900,000	2,990,000	2,273,280
58	Jun 7, 2024 14:19	4,084	56,244,403	32,903,000	997,000	2,273,280
59	Jun 7, 2024 14:18	4,084	60,711,932	31,907,000	1,994,000	2,478,080
60	Jun 7, 2024 14:18	4,085	56,079,926	31,914,000	1,994,000	2,273,280
61	Jun 7, 2024 14:19	4,087	61,233,983	30,933,000	2,993,000	2,273,280
62	Jun 7, 2024 14:19	4,099	55,750,434	31,018,000	3,001,000	2,273,280
63	Jun 7, 2024 14:18	4,099	55,156,702	31,021,000	3,002,000	2,490,368
64	Jun 7, 2024 14:18	4,100	59,384,547	31,028,000	3,002,000	2,310,144
65	Jun 7, 2024 14:18	4,102	66,387,898	32,047,000	2,002,000	2,273,280
66	Jun 7, 2024 14:19	4,105	59,343,237	32,068,000	2,004,000	2,273,280
67	Jun 7, 2024 14:19	4,106	55,679,501	32,076,000	2,004,000	2,486,272
68	Jun 7, 2024 14:18	4,107	56,982,648	31,077,000	3,007,000	2,482,176
69	Jun 7, 2024 14:19	4,109	60,669,106	32,097,000	2,006,000	2,273,280
70	Jun 7, 2024 14:19	4,117	63,911,370	31,154,000	3,014,000	2,273,280
71	Jun 7, 2024 14:19	4,118	57,273,889	31,167,000	3,016,000	2,306,048
72	Jun 7, 2024 14:19	4,121	61,276,355	32,193,000	2,012,000	2,273,280
73	Jun 7, 2024 14:19	4,123	61,929,065	31,199,000	3,019,000	2,490,368
74	Jun 7, 2024 14:18	4,123	57,816,759	31,206,000	3,019,000	2,285,568
75	Jun 7, 2024 14:18	4,123	56,632,151	31,198,000	3,019,000	2,273,280
76	Jun 7, 2024 14:18	4,123	59,189,191	32,208,000	2,013,000	2,273,280
77	Jun 7, 2024 14:18	4,126	58,193,379	31,225,000	3,021,000	2,392,064
78	Jun 7, 2024 14:18	4,130	55,165,724	32,262,000	2,016,000	2,273,280
79	Jun 7, 2024 14:18	4,132	61,443,905	33,285,000	1,008,000	2,273,280
80	Jun 7, 2024 14:19	4,146	57,881,567	32,386,000	2,024,000	2,506,752
81	Jun 7, 2024 14:19	4,153	61,248,606	32,445,000	2,027,000	2,273,280
82	Jun 7, 2024 14:18	4,158	55,208,686	33,498,000	1,015,000	2,490,368
83	Jun 7, 2024 14:18	4,168	62,626,885	34,591,000	0	2,490,368
84	Jun 7, 2024 14:18	4,174	61,973,807	34,646,000	0	2,342,912
85	Jun 7, 2024 14:18	4,180	63,727,913	31,720,000	2,973,000	2,490,368
86	Jun 7, 2024 14:19	4,196	63,860,054	32,834,000	1,989,000	2,273,280
87	Jun 7, 2024 14:19	4,199	65,451,481	31,861,000	2,987,000	2,457,600
88	Jun 7, 2024 14:18	4,202	113,977,481	34,873,934	0	2,236,416
89	Jun 7, 2024 14:18	4,211	105,768,792	34,949,892	0	2,252,800
90	Jun 7, 2024 14:18	4,213	106,572,694	34,968,562	0	2,240,512
91	Jun 7, 2024 14:19	4,221	99,643,211	35,033,557	0	2,232,320
92	Jun 7, 2024 14:19	4,225	88,511,980	35,065,968	0	2,244,608
93	Jun 7, 2024 14:18	4,228	57,797,860	32,087,000	3,008,000	2,273,280
94	Jun 7, 2024 14:19	4,229	107,886,622	35,097,175	0	2,252,800
95	Jun 7, 2024 14:18	4,246	58,829,853	33,228,000	2,013,000	2,273,280
96	Jun 7, 2024 14:19	4,253	95,044,217	35,303,815	0	2,240,512
97	Jun 7, 2024 14:19	4,256	106,027,356	35,323,041	0	2,248,704
98	Jun 7, 2024 14:18	4,256	57,674,767	31,290,000	4,037,000	2,486,272
99	Jun 7, 2024 14:18	4,261	100,351,885	35,365,477	0	2,244,608
100	Jun 7, 2024 14:19	4,261	100,010,217	35,366,139	0	2,232,320
101	Jun 7, 2024 14:19	4,262	113,262,275	35,372,858	0	2,248,704
102	Jun 7, 2024 14:18	4,264	117,379,922	35,391,814	0	2,240,512
103	Jun 7, 2024 14:18	4,264	105,801,799	35,387,325	0	2,248,704
104	Jun 7, 2024 14:18	4,277	102,139,800	35,501,080	0	2,244,608
105	Jun 7, 2024 14:18	4,285	113,919,933	35,564,822	0	2,232,320
106	Jun 7, 2024 14:18	4,292	98,515,145	35,621,925	0	2,232,320
107	Jun 7, 2024 14:18	4,296	102,983,578	35,659,629	0	2,240,512
108	Jun 7, 2024 14:19	4,313	105,863,162	35,795,111	0	2,244,608
109	Jun 7, 2024 14:18	4,324	100,961,263	35,886,870	0	2,244,608
110	Jun 7, 2024 14:18	4,340	107,507,309	36,019,016	0	2,240,512
111	Jun 7, 2024 14:18	4,349	103,692,460	36,094,825	0	2,248,704
112	Jun 7, 2024 14:18	4,358	104,501,439	36,170,619	0	2,240,512
113	Jun 7, 2024 14:19	4,365	113,283,154	36,227,462	0	2,244,608
114	Jun 7, 2024 14:18	4,370	122,421,091	36,274,757	0	2,240,512

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