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 4, 2024 15:40	4,970	64,844,028	39,241,000	2,012,000	2,400,256
2	Jun 4, 2024 15:40	4,975	61,506,463	41,295,000	0	2,273,280
3	Jun 4, 2024 15:40	4,976	68,003,829	39,283,000	2,014,000	2,273,280
4	Jun 4, 2024 15:41	4,976	65,145,960	41,301,000	0	2,273,280
5	Jun 4, 2024 15:40	4,978	62,473,612	39,305,000	2,015,000	2,265,088
6	Jun 4, 2024 15:40	4,979	66,722,451	40,318,000	1,007,000	2,273,280
7	Jun 4, 2024 15:40	4,980	68,565,198	41,334,000	0	2,273,280
8	Jun 4, 2024 15:40	4,980	74,428,480	41,336,000	0	2,273,280
9	Jun 4, 2024 15:40	4,981	67,413,954	41,343,000	0	2,273,280
10	Jun 4, 2024 15:41	4,981	67,093,424	40,336,000	1,008,000	2,392,064
11	Jun 4, 2024 15:39	4,981	65,215,473	40,334,000	1,008,000	2,396,160
12	Jun 4, 2024 15:40	4,982	70,904,886	40,344,000	1,008,000	2,273,280
13	Jun 4, 2024 15:40	4,983	63,941,554	40,353,000	1,008,000	2,404,352
14	Jun 4, 2024 15:41	4,983	63,954,433	41,360,000	0	2,396,160
15	Jun 4, 2024 15:41	4,983	63,309,057	41,362,000	0	2,273,280
16	Jun 4, 2024 15:41	4,984	70,726,817	40,358,000	1,008,000	2,273,280
17	Jun 4, 2024 15:39	4,984	62,105,350	40,362,000	1,009,000	2,404,352
18	Jun 4, 2024 15:41	4,984	66,533,518	41,368,000	0	2,273,280
19	Jun 4, 2024 15:41	4,984	70,799,257	40,362,000	1,009,000	2,273,280
20	Jun 4, 2024 15:41	4,985	61,134,120	40,368,000	1,009,000	2,396,160
21	Jun 4, 2024 15:40	4,985	69,534,842	40,366,000	1,009,000	2,273,280
22	Jun 4, 2024 15:40	4,986	64,845,741	40,372,000	1,009,000	2,404,352
23	Jun 4, 2024 15:40	4,986	67,870,213	40,401,000	985,000	2,265,088
24	Jun 4, 2024 15:41	4,987	64,917,580	39,371,000	2,019,000	2,273,280
25	Jun 4, 2024 15:41	4,987	63,285,017	40,383,000	1,009,000	2,519,040
26	Jun 4, 2024 15:40	4,987	69,018,045	40,385,000	1,009,000	2,273,280
27	Jun 4, 2024 15:39	4,988	64,638,603	41,402,000	0	2,396,160
28	Jun 4, 2024 15:41	4,988	60,535,056	41,403,000	0	2,514,944
29	Jun 4, 2024 15:39	4,989	64,473,925	40,397,000	1,009,000	2,383,872
30	Jun 4, 2024 15:40	4,989	64,459,890	40,397,000	1,009,000	2,273,280
31	Jun 4, 2024 15:40	4,989	65,763,482	41,406,000	0	2,408,448
32	Jun 4, 2024 15:39	4,991	65,490,018	40,414,000	1,010,000	2,392,064
33	Jun 4, 2024 15:41	4,991	65,855,580	41,427,000	0	2,400,256
34	Jun 4, 2024 15:41	4,991	70,688,214	40,414,000	1,010,000	2,273,280
35	Jun 4, 2024 15:41	4,991	67,797,842	40,416,000	1,010,000	2,400,256
36	Jun 4, 2024 15:41	4,992	66,498,424	40,424,000	1,010,000	2,400,256
37	Jun 4, 2024 15:41	4,993	74,992,717	41,445,000	0	2,400,256
38	Jun 4, 2024 15:40	4,994	62,991,820	40,437,000	1,010,000	2,273,280
39	Jun 4, 2024 15:39	4,994	64,076,746	40,441,000	1,011,000	2,273,280
40	Jun 4, 2024 15:41	4,995	64,411,621	40,446,000	1,011,000	2,408,448
41	Jun 4, 2024 15:41	4,999	71,204,480	40,480,000	1,012,000	2,273,280
42	Jun 4, 2024 15:39	5,003	64,311,410	40,509,000	1,012,000	2,400,256
43	Jun 4, 2024 15:40	5,021	66,691,068	40,661,000	1,016,000	2,273,280
44	Jun 4, 2024 15:39	5,022	68,990,794	40,667,000	1,016,000	2,273,280
45	Jun 4, 2024 15:39	5,061	66,173,344	41,010,000	1,000,000	2,506,752
46	Jun 4, 2024 15:39	5,101	99,881,729	42,335,348	0	2,289,664
47	Jun 4, 2024 15:41	5,102	107,944,004	42,345,112	0	2,289,664
48	Jun 4, 2024 15:41	5,103	103,322,879	42,354,040	0	2,289,664
49	Jun 4, 2024 15:40	5,106	111,259,025	42,376,703	0	2,285,568
50	Jun 4, 2024 15:40	5,107	109,593,582	42,385,085	0	2,289,664
51	Jun 4, 2024 15:40	5,108	100,672,578	42,392,271	0	2,289,664
52	Jun 4, 2024 15:39	5,111	113,589,072	42,421,772	0	2,273,280
53	Jun 4, 2024 15:41	5,112	119,234,390	42,430,191	0	2,277,376
54	Jun 4, 2024 15:41	5,113	105,380,120	42,436,341	0	2,281,472
55	Jun 4, 2024 15:39	5,119	114,898,793	42,484,688	0	2,273,280
56	Jun 4, 2024 15:41	5,127	123,059,481	42,555,541	0	2,281,472
57	Jun 4, 2024 15:40	5,127	109,838,784	42,550,221	0	2,277,376
58	Jun 4, 2024 15:41	5,128	119,070,270	42,565,090	0	2,277,376
59	Jun 4, 2024 15:41	5,138	119,151,696	42,648,714	0	2,277,376
60	Jun 4, 2024 15:41	5,142	113,823,080	42,682,165	0	2,277,376
61	Jun 4, 2024 15:41	5,155	105,407,970	42,786,584	0	2,289,664
62	Jun 4, 2024 15:40	5,156	112,995,070	42,796,188	0	2,281,472
63	Jun 4, 2024 15:40	5,211	126,423,488	43,249,847	0	2,281,472
64	Jun 4, 2024 15:39	5,920	70,386,629	48,137,000	1,002,000	2,273,280
65	Jun 4, 2024 15:39	5,931	75,858,702	48,224,000	1,004,000	2,396,160
66	Jun 4, 2024 15:41	5,936	81,744,801	49,267,000	0	2,273,280
67	Jun 4, 2024 15:40	5,938	78,361,029	47,272,000	2,011,000	2,404,352
68	Jun 4, 2024 15:39	5,944	73,150,242	48,333,000	1,006,000	2,273,280
69	Jun 4, 2024 15:41	5,946	71,338,740	48,342,000	1,007,000	2,273,280
70	Jun 4, 2024 15:41	5,959	71,864,414	49,460,000	0	2,273,280
71	Jun 4, 2024 15:40	5,960	77,151,343	48,462,000	1,009,000	2,273,280
72	Jun 4, 2024 15:41	5,962	77,277,643	48,472,000	1,009,000	2,392,064
73	Jun 4, 2024 15:41	5,972	76,112,792	49,571,000	0	2,273,280
74	Jun 4, 2024 15:40	5,974	75,463,148	48,572,000	1,011,000	2,396,160
75	Jun 4, 2024 15:40	6,000	81,167,182	49,797,000	0	2,400,256
76	Jun 4, 2024 15:41	6,001	75,900,423	49,812,000	0	2,392,064
77	Jun 4, 2024 15:40	6,015	72,758,106	47,929,000	1,997,000	2,273,280
78	Jun 4, 2024 15:40	6,016	71,306,143	47,932,000	1,997,000	2,269,184

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