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 14:16	3,965	53,026,888	31,911,000	997,000	2,273,280
2	Jun 7, 2024 14:16	3,971	60,581,724	29,963,000	2,996,000	2,273,280
3	Jun 7, 2024 14:16	3,985	59,994,896	31,075,000	2,004,000	2,273,280
4	Jun 7, 2024 14:16	3,987	58,701,789	31,087,000	2,005,000	2,486,272
5	Jun 7, 2024 14:16	3,991	56,442,896	30,113,000	3,011,000	2,490,368
6	Jun 7, 2024 14:16	3,994	54,657,563	31,143,000	2,009,000	2,359,296
7	Jun 7, 2024 14:16	3,995	57,118,337	30,144,000	3,014,000	2,404,352
8	Jun 7, 2024 14:16	3,996	56,432,011	31,159,000	2,010,000	2,486,272
9	Jun 7, 2024 14:16	3,997	56,859,856	31,162,000	2,010,000	2,273,280
10	Jun 7, 2024 14:16	4,004	54,301,055	30,211,000	3,021,000	2,486,272
11	Jun 7, 2024 14:16	4,007	58,476,892	30,231,000	3,023,000	2,273,280
12	Jun 7, 2024 14:17	4,008	56,928,136	32,256,000	1,008,000	2,273,280
13	Jun 7, 2024 14:17	4,010	58,732,994	31,269,000	2,017,000	2,490,368
14	Jun 7, 2024 14:17	4,011	55,692,364	31,271,000	2,017,000	2,494,464
15	Jun 7, 2024 14:17	4,013	53,727,348	31,291,000	2,018,000	2,478,080
16	Jun 7, 2024 14:17	4,015	60,349,407	31,368,000	1,960,000	2,273,280
17	Jun 7, 2024 14:17	4,019	58,212,489	31,336,000	2,021,000	2,273,280
18	Jun 7, 2024 14:16	4,019	61,265,258	31,337,000	2,021,000	2,494,464
19	Jun 7, 2024 14:17	4,024	62,423,312	31,374,000	2,024,000	2,486,272
20	Jun 7, 2024 14:16	4,027	55,449,087	31,401,000	2,025,000	2,445,312
21	Jun 7, 2024 14:16	4,028	59,753,816	30,396,000	3,039,000	2,273,280
22	Jun 7, 2024 14:17	4,029	56,294,109	33,438,000	0	2,273,280
23	Jun 7, 2024 14:16	4,030	61,519,196	32,432,000	1,013,000	2,273,280
24	Jun 7, 2024 14:17	4,031	57,213,626	32,446,000	1,013,000	2,273,280
25	Jun 7, 2024 14:16	4,034	55,242,982	32,470,000	1,014,000	2,478,080
26	Jun 7, 2024 14:17	4,035	57,332,467	32,475,000	1,014,000	2,490,368
27	Jun 7, 2024 14:16	4,035	57,659,897	31,458,000	2,029,000	2,490,368
28	Jun 7, 2024 14:16	4,035	55,023,662	31,460,000	2,029,000	2,482,176
29	Jun 7, 2024 14:16	4,036	56,234,985	32,480,000	1,015,000	2,486,272
30	Jun 7, 2024 14:16	4,036	59,085,147	31,469,000	2,030,000	2,273,280
31	Jun 7, 2024 14:17	4,037	60,667,609	31,480,000	2,031,000	2,482,176
32	Jun 7, 2024 14:16	4,037	62,631,913	31,473,000	2,030,000	2,367,488
33	Jun 7, 2024 14:16	4,038	56,143,478	33,512,000	0	2,478,080
34	Jun 7, 2024 14:17	4,038	65,830,110	32,504,000	1,015,000	2,273,280
35	Jun 7, 2024 14:17	4,038	57,912,689	32,502,000	1,015,000	2,273,280
36	Jun 7, 2024 14:16	4,040	55,449,418	33,532,000	0	2,490,368
37	Jun 7, 2024 14:16	4,041	56,238,661	32,521,000	1,016,000	2,273,280
38	Jun 7, 2024 14:16	4,042	60,215,689	30,500,000	3,050,000	2,486,272
39	Jun 7, 2024 14:16	4,042	59,619,924	31,519,000	2,033,000	2,273,280
40	Jun 7, 2024 14:17	4,045	61,996,751	32,560,000	1,017,000	2,273,280
41	Jun 7, 2024 14:17	4,046	60,111,871	32,568,000	1,017,000	2,482,176
42	Jun 7, 2024 14:17	4,046	60,382,550	31,547,000	2,035,000	2,478,080
43	Jun 7, 2024 14:16	4,047	58,396,103	32,572,000	1,017,000	2,486,272
44	Jun 7, 2024 14:16	4,047	54,652,491	31,556,000	2,035,000	2,482,176
45	Jun 7, 2024 14:17	4,049	59,180,843	32,586,000	1,018,000	2,490,368
46	Jun 7, 2024 14:16	4,049	65,105,351	31,572,000	2,036,000	2,273,280
47	Jun 7, 2024 14:16	4,049	62,963,926	32,592,000	1,018,000	2,510,848
48	Jun 7, 2024 14:17	4,050	60,681,745	31,581,000	2,037,000	2,347,008
49	Jun 7, 2024 14:16	4,050	59,750,838	31,574,000	2,037,000	2,273,280
50	Jun 7, 2024 14:17	4,056	65,298,111	31,624,000	2,040,000	2,326,528
51	Jun 7, 2024 14:16	4,056	60,039,962	32,643,000	1,020,000	2,342,912
52	Jun 7, 2024 14:16	4,056	58,339,185	31,625,000	2,040,000	2,273,280
53	Jun 7, 2024 14:17	4,057	60,132,043	32,657,000	1,020,000	2,486,272
54	Jun 7, 2024 14:16	4,057	59,160,657	32,657,000	1,020,000	2,482,176
55	Jun 7, 2024 14:16	4,061	66,626,699	31,664,000	2,042,000	2,469,888
56	Jun 7, 2024 14:16	4,074	59,872,095	32,823,000	994,000	2,453,504
57	Jun 7, 2024 14:17	4,076	67,040,155	31,843,000	1,990,000	2,514,944
58	Jun 7, 2024 14:17	4,076	66,816,988	30,843,000	2,984,000	2,277,376
59	Jun 7, 2024 14:16	4,076	57,969,149	31,843,000	1,990,000	2,273,280
60	Jun 7, 2024 14:16	4,076	58,326,904	30,849,000	2,985,000	2,494,464
61	Jun 7, 2024 14:16	4,076	61,143,061	32,837,000	995,000	2,473,984
62	Jun 7, 2024 14:16	4,076	67,942,403	31,843,000	1,990,000	2,273,280
63	Jun 7, 2024 14:16	4,077	65,599,467	31,845,000	1,990,000	2,273,280
64	Jun 7, 2024 14:16	4,077	61,722,188	31,850,000	1,990,000	2,273,280
65	Jun 7, 2024 14:16	4,077	63,097,336	31,851,000	1,990,000	2,490,368
66	Jun 7, 2024 14:16	4,078	60,358,047	31,855,000	1,990,000	2,490,368
67	Jun 7, 2024 14:16	4,078	60,636,058	32,854,000	995,000	2,478,080
68	Jun 7, 2024 14:16	4,078	59,652,851	32,854,000	995,000	2,490,368
69	Jun 7, 2024 14:16	4,080	57,202,699	32,837,000	1,026,000	2,486,272
70	Jun 7, 2024 14:17	4,083	58,633,793	31,893,000	1,993,000	2,273,280
71	Jun 7, 2024 14:17	4,088	60,886,036	31,933,000	1,995,000	2,486,272
72	Jun 7, 2024 14:16	4,092	57,118,487	31,963,000	1,997,000	2,490,368
73	Jun 7, 2024 14:17	4,099	59,304,184	31,018,000	3,001,000	2,478,080
74	Jun 7, 2024 14:17	4,100	57,135,727	32,026,000	2,001,000	2,482,176
75	Jun 7, 2024 14:16	4,100	54,894,919	31,025,000	3,002,000	2,273,280
76	Jun 7, 2024 14:16	4,103	57,973,616	32,056,000	2,003,000	2,490,368
77	Jun 7, 2024 14:17	4,106	56,680,680	33,079,000	1,002,000	2,273,280
78	Jun 7, 2024 14:16	4,107	60,037,522	31,081,000	3,007,000	2,478,080
79	Jun 7, 2024 14:16	4,111	56,762,315	32,112,000	2,007,000	2,490,368
80	Jun 7, 2024 14:17	4,115	53,224,044	31,138,000	3,013,000	2,273,280
81	Jun 7, 2024 14:17	4,120	55,790,820	31,181,000	3,017,000	2,273,280
82	Jun 7, 2024 14:16	4,127	57,376,941	31,233,000	3,022,000	2,265,088
83	Jun 7, 2024 14:17	4,128	57,743,797	31,241,000	3,023,000	2,273,280
84	Jun 7, 2024 14:17	4,137	97,025,317	34,338,883	0	2,375,680
85	Jun 7, 2024 14:17	4,140	59,004,220	33,352,000	1,010,000	2,256,896
86	Jun 7, 2024 14:16	4,161	57,234,220	32,506,000	2,031,000	2,482,176
87	Jun 7, 2024 14:16	4,162	60,206,160	34,546,000	0	2,273,280
88	Jun 7, 2024 14:17	4,164	53,529,896	33,544,000	1,016,000	2,486,272
89	Jun 7, 2024 14:16	4,174	61,796,032	32,607,000	2,037,000	2,273,280
90	Jun 7, 2024 14:17	4,177	58,269,684	32,634,000	2,039,000	2,494,464
91	Jun 7, 2024 14:16	4,178	60,929,504	32,641,000	2,040,000	2,273,280
92	Jun 7, 2024 14:16	4,183	97,147,233	34,720,994	0	2,240,512
93	Jun 7, 2024 14:17	4,185	111,089,059	34,732,596	0	2,248,704
94	Jun 7, 2024 14:16	4,198	110,504,618	34,845,356	0	2,240,512
95	Jun 7, 2024 14:16	4,201	119,786,005	34,871,433	0	2,248,704
96	Jun 7, 2024 14:16	4,205	103,890,962	34,900,692	0	2,248,704
97	Jun 7, 2024 14:16	4,205	56,235,162	31,911,000	2,991,000	2,482,176
98	Jun 7, 2024 14:17	4,213	101,739,259	34,964,256	0	2,228,224
99	Jun 7, 2024 14:16	4,214	108,026,140	34,979,810	0	2,379,776
100	Jun 7, 2024 14:17	4,215	97,128,416	34,984,232	0	2,236,416
101	Jun 7, 2024 14:16	4,217	100,259,729	34,999,792	0	2,228,224
102	Jun 7, 2024 14:16	4,217	60,282,460	33,000,000	2,000,000	2,273,280
103	Jun 7, 2024 14:16	4,222	63,756,842	32,039,000	3,003,000	2,478,080
104	Jun 7, 2024 14:17	4,224	99,928,451	35,059,326	0	2,244,608
105	Jun 7, 2024 14:17	4,225	103,214,957	35,069,753	0	2,232,320
106	Jun 7, 2024 14:17	4,230	103,608,379	35,106,767	0	2,232,320
107	Jun 7, 2024 14:17	4,231	96,053,649	35,117,381	0	2,248,704
108	Jun 7, 2024 14:17	4,239	105,461,709	35,184,801	0	2,240,512
109	Jun 7, 2024 14:16	4,255	121,878,847	35,315,405	0	2,240,512
110	Jun 7, 2024 14:16	4,264	96,777,855	35,394,541	0	2,244,608
111	Jun 7, 2024 14:16	4,281	100,337,331	35,534,920	0	2,236,416
112	Jun 7, 2024 14:16	4,297	112,910,667	35,663,997	0	2,260,992
113	Jun 7, 2024 14:16	4,297	111,018,099	35,662,802	0	2,248,704
114	Jun 7, 2024 14:16	4,309	118,255,542	35,760,644	0	2,236,416
115	Jun 7, 2024 14:16	4,313	100,628,180	35,799,078	0	2,236,416
116	Jun 7, 2024 14:16	4,418	92,715,078	36,666,666	0	2,240,512
117	Jun 7, 2024 14:16	4,489	105,683,260	37,261,409	0	2,244,608

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