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 12:42	4,060	70,889,687	32,678,000	1,021,000	241,664
2	Jun 7, 2024 12:42	4,102	57,891,046	31,043,000	3,004,000	380,928
3	Jun 7, 2024 12:43	4,114	54,450,337	32,137,000	2,008,000	176,128
4	Jun 7, 2024 12:42	4,124	59,094,675	31,208,000	3,020,000	2,273,280
5	Jun 7, 2024 12:48	4,127	62,024,303	31,231,000	3,022,000	2,273,280
6	Jun 7, 2024 12:48	4,128	60,062,993	32,251,000	2,015,000	2,273,280
7	Jun 7, 2024 12:42	4,130	62,221,082	31,252,000	3,024,000	2,490,368
8	Jun 7, 2024 12:48	4,131	61,375,194	32,270,000	2,016,000	2,482,176
9	Jun 7, 2024 12:48	4,132	55,818,716	33,288,000	1,008,000	380,928
10	Jun 7, 2024 12:48	4,132	59,267,286	33,288,000	1,008,000	176,128
11	Jun 7, 2024 12:42	4,133	57,745,197	32,285,000	2,017,000	2,273,280
12	Jun 7, 2024 12:48	4,133	60,077,054	31,274,000	3,026,000	2,486,272
13	Jun 7, 2024 12:43	4,135	62,427,152	32,305,000	2,019,000	2,453,504
14	Jun 7, 2024 12:42	4,135	61,917,846	32,300,000	2,018,000	2,498,560
15	Jun 7, 2024 12:43	4,135	60,831,003	32,305,000	2,019,000	2,342,912
16	Jun 7, 2024 12:48	4,136	60,490,854	31,299,000	3,028,000	2,273,280
17	Jun 7, 2024 12:48	4,137	55,981,854	32,321,000	2,020,000	2,273,280
18	Jun 7, 2024 12:43	4,138	60,474,341	32,324,000	2,020,000	2,273,280
19	Jun 7, 2024 12:42	4,138	62,523,332	31,315,000	3,030,000	2,490,368
20	Jun 7, 2024 12:48	4,140	65,968,655	32,342,000	2,021,000	176,128
21	Jun 7, 2024 12:48	4,141	57,058,782	32,348,000	2,021,000	2,473,984
22	Jun 7, 2024 12:48	4,144	56,923,844	32,373,000	2,023,000	2,273,280
23	Jun 7, 2024 12:42	4,146	59,123,624	33,401,000	1,012,000	2,486,272
24	Jun 7, 2024 12:43	4,147	61,377,241	31,382,000	3,036,000	2,273,280
25	Jun 7, 2024 12:48	4,147	56,860,330	32,396,000	2,024,000	2,306,048
26	Jun 7, 2024 12:48	4,147	59,060,982	33,412,000	1,012,000	2,482,176
27	Jun 7, 2024 12:48	4,148	58,462,238	33,414,000	1,012,000	2,490,368
28	Jun 7, 2024 12:42	4,152	62,897,842	33,447,000	1,013,000	2,273,280
29	Jun 7, 2024 12:42	4,152	60,938,216	33,451,000	1,013,000	2,273,280
30	Jun 7, 2024 12:48	4,152	56,917,675	32,432,000	2,027,000	2,273,280
31	Jun 7, 2024 12:42	4,153	64,672,676	33,457,000	1,013,000	2,482,176
32	Jun 7, 2024 12:42	4,154	53,565,153	32,450,000	2,028,000	2,273,280
33	Jun 7, 2024 12:48	4,155	56,937,912	32,457,000	2,028,000	2,482,176
34	Jun 7, 2024 12:48	4,155	54,996,302	33,473,000	1,014,000	2,490,368
35	Jun 7, 2024 12:43	4,156	59,376,444	33,477,000	1,014,000	376,832
36	Jun 7, 2024 12:48	4,157	53,248,299	32,475,000	2,029,000	376,832
37	Jun 7, 2024 12:48	4,158	57,952,488	33,497,000	1,015,000	2,273,280
38	Jun 7, 2024 12:48	4,159	62,645,423	33,504,000	1,015,000	2,482,176
39	Jun 7, 2024 12:43	4,162	56,068,215	34,548,000	0	2,490,368
40	Jun 7, 2024 12:42	4,162	57,491,559	33,532,000	1,016,000	2,486,272
41	Jun 7, 2024 12:42	4,163	58,670,608	33,539,000	1,016,000	2,478,080
42	Jun 7, 2024 12:42	4,166	69,498,396	32,543,000	2,033,000	2,273,280
43	Jun 7, 2024 12:48	4,167	59,631,835	34,583,000	0	2,490,368
44	Jun 7, 2024 12:43	4,167	62,579,066	32,548,000	2,034,000	2,273,280
45	Jun 7, 2024 12:42	4,168	64,462,586	34,593,000	0	2,490,368
46	Jun 7, 2024 12:43	4,169	63,236,185	32,564,000	2,035,000	2,392,064
47	Jun 7, 2024 12:48	4,170	67,869,062	32,578,000	2,036,000	2,482,176
48	Jun 7, 2024 12:48	4,171	61,286,663	32,582,000	2,036,000	2,490,368
49	Jun 7, 2024 12:48	4,171	65,850,914	33,604,000	1,018,000	2,273,280
50	Jun 7, 2024 12:42	4,175	65,407,626	32,612,000	2,038,000	2,486,272
51	Jun 7, 2024 12:43	4,177	63,584,308	32,627,000	2,039,000	2,273,280
52	Jun 7, 2024 12:42	4,180	69,506,778	32,651,000	2,040,000	2,404,352
53	Jun 7, 2024 12:43	4,180	59,808,694	32,651,000	2,040,000	2,490,368
54	Jun 7, 2024 12:48	4,180	61,825,307	32,650,000	2,040,000	2,404,352
55	Jun 7, 2024 12:48	4,182	61,468,113	32,728,000	1,983,000	2,273,280
56	Jun 7, 2024 12:48	4,190	57,345,409	32,790,000	1,987,000	2,486,272
57	Jun 7, 2024 12:48	4,195	64,666,191	31,835,000	2,984,000	2,490,368
58	Jun 7, 2024 12:42	4,195	60,659,747	33,821,000	994,000	2,486,272
59	Jun 7, 2024 12:43	4,197	63,380,313	32,848,000	1,990,000	380,928
60	Jun 7, 2024 12:48	4,197	60,667,657	33,840,000	995,000	2,482,176
61	Jun 7, 2024 12:42	4,199	63,224,744	33,853,000	995,000	2,490,368
62	Jun 7, 2024 12:48	4,207	56,175,136	31,922,000	2,992,000	2,482,176
63	Jun 7, 2024 12:48	4,232	61,532,272	33,120,000	2,007,000	368,640
64	Jun 7, 2024 12:48	4,234	62,280,789	33,135,000	2,008,000	176,128
65	Jun 7, 2024 12:48	4,239	57,616,067	32,169,000	3,015,000	176,128
66	Jun 7, 2024 12:48	4,267	62,363,469	33,391,000	2,023,000	176,128
67	Jun 7, 2024 12:42	4,273	60,776,698	32,428,000	3,040,000	335,872
68	Jun 7, 2024 12:48	4,276	58,440,073	34,474,000	1,013,000	2,273,280
69	Jun 7, 2024 12:48	4,286	100,717,373	35,577,299	0	2,244,608
70	Jun 7, 2024 12:42	4,294	100,118,023	35,642,189	0	2,236,416
71	Jun 7, 2024 12:43	4,309	105,468,714	35,764,631	0	2,236,416
72	Jun 7, 2024 12:43	4,309	107,792,388	35,768,595	0	2,244,608
73	Jun 7, 2024 12:48	4,313	98,939,513	35,797,248	0	2,244,608
74	Jun 7, 2024 12:43	4,329	100,927,016	35,931,078	0	2,240,512
75	Jun 7, 2024 12:48	4,330	109,862,695	35,935,747	0	2,232,320
76	Jun 7, 2024 12:42	4,332	111,967,394	35,955,867	0	2,240,512
77	Jun 7, 2024 12:48	4,337	88,868,841	35,998,799	0	2,367,488
78	Jun 7, 2024 12:48	4,341	95,270,468	36,032,981	0	2,244,608
79	Jun 7, 2024 12:48	4,343	58,554,270	33,042,000	3,003,000	339,968
80	Jun 7, 2024 12:42	4,349	117,814,513	36,098,933	0	2,232,320
81	Jun 7, 2024 12:48	4,351	93,260,061	36,111,256	0	2,236,416
82	Jun 7, 2024 12:42	4,354	102,581,962	36,138,924	0	2,375,680
83	Jun 7, 2024 12:48	4,357	112,477,759	36,162,730	0	2,240,512
84	Jun 7, 2024 12:42	4,370	107,406,279	36,266,859	0	2,248,704
85	Jun 7, 2024 12:48	4,371	106,594,444	36,279,857	0	2,244,608
86	Jun 7, 2024 12:42	4,390	107,995,988	36,437,590	0	2,240,512
87	Jun 7, 2024 12:42	4,402	92,914,085	36,540,199	0	2,355,200
88	Jun 7, 2024 12:48	4,404	111,512,312	36,556,134	0	2,252,800
89	Jun 7, 2024 12:48	4,431	120,382,835	36,778,255	0	2,236,416
90	Jun 7, 2024 12:42	4,432	93,430,537	36,787,305	0	2,232,320
91	Jun 7, 2024 12:48	4,439	107,436,586	36,839,745	0	2,371,584
92	Jun 7, 2024 12:42	4,512	107,453,654	37,447,899	0	2,228,224
93	Jun 7, 2024 12:48	4,764	123,831,125	39,541,939	0	2,240,512

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