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 17:17	3,775	61,486,417	30,324,000	1,010,000	2,387,968
2	Jun 7, 2024 17:16	3,783	53,920,963	30,383,000	1,012,000	2,392,064
3	Jun 7, 2024 17:16	3,785	53,426,054	30,399,000	1,013,000	2,273,280
4	Jun 7, 2024 17:16	3,785	55,465,793	31,415,000	0	2,379,776
5	Jun 7, 2024 17:16	3,790	53,235,562	30,447,000	1,014,000	2,387,968
6	Jun 7, 2024 17:16	3,791	57,363,883	31,466,000	0	2,502,656
7	Jun 7, 2024 17:16	3,794	50,408,854	31,492,000	0	2,502,656
8	Jun 7, 2024 17:17	3,797	54,086,385	30,495,000	1,016,000	2,392,064
9	Jun 7, 2024 17:16	3,802	63,271,809	31,558,000	0	2,375,680
10	Jun 7, 2024 17:17	3,803	52,365,138	31,562,000	0	2,273,280
11	Jun 7, 2024 17:16	3,804	55,013,886	30,556,000	1,018,000	2,273,280
12	Jun 7, 2024 17:16	3,806	58,551,295	30,572,000	1,019,000	2,273,280
13	Jun 7, 2024 17:16	3,812	61,925,664	31,642,000	0	2,273,280
14	Jun 7, 2024 17:17	3,813	58,923,728	31,651,000	0	2,273,280
15	Jun 7, 2024 17:16	3,816	60,615,950	30,650,000	1,021,000	2,498,560
16	Jun 7, 2024 17:16	3,816	55,276,404	30,653,000	1,021,000	2,396,160
17	Jun 7, 2024 17:16	3,817	59,118,602	31,678,000	0	2,273,280
18	Jun 7, 2024 17:16	3,837	59,927,751	29,857,000	1,990,000	2,273,280
19	Jun 7, 2024 17:17	3,839	52,134,516	31,866,000	0	2,273,280
20	Jun 7, 2024 17:17	3,840	52,499,360	30,873,000	995,000	2,273,280
21	Jun 7, 2024 17:16	3,843	51,898,800	30,901,000	996,000	2,387,968
22	Jun 7, 2024 17:16	3,860	54,744,660	31,041,000	1,001,000	2,387,968
23	Jun 7, 2024 17:16	3,869	56,892,294	30,109,000	2,007,000	2,273,280
24	Jun 7, 2024 17:17	3,880	55,116,763	31,199,000	1,006,000	2,273,280
25	Jun 7, 2024 17:17	3,884	59,869,399	31,228,000	1,007,000	2,273,280
26	Jun 7, 2024 17:16	3,888	60,804,911	30,256,000	2,017,000	2,273,280
27	Jun 7, 2024 17:16	3,889	56,192,717	30,265,000	2,017,000	2,273,280
28	Jun 7, 2024 17:16	3,890	57,779,537	30,272,000	2,018,000	2,400,256
29	Jun 7, 2024 17:16	3,892	57,706,206	31,294,000	1,009,000	2,273,280
30	Jun 7, 2024 17:16	3,894	57,236,789	30,301,000	2,020,000	2,392,064
31	Jun 7, 2024 17:16	3,894	57,952,514	30,301,000	2,020,000	2,387,968
32	Jun 7, 2024 17:16	3,895	54,459,515	30,306,000	2,020,000	2,396,160
33	Jun 7, 2024 17:16	3,898	58,505,159	30,333,000	2,022,000	2,273,280
34	Jun 7, 2024 17:16	3,900	55,273,416	31,359,000	1,011,000	2,387,968
35	Jun 7, 2024 17:16	3,902	53,876,975	31,375,000	1,012,000	2,506,752
36	Jun 7, 2024 17:17	3,904	55,594,068	31,392,000	1,012,000	2,383,872
37	Jun 7, 2024 17:16	3,904	60,988,530	32,403,000	0	2,273,280
38	Jun 7, 2024 17:16	3,904	56,245,471	31,393,000	1,012,000	2,273,280
39	Jun 7, 2024 17:16	3,906	55,036,318	32,418,000	0	2,273,280
40	Jun 7, 2024 17:16	3,906	60,070,161	31,405,000	1,013,000	2,392,064
41	Jun 7, 2024 17:17	3,907	56,197,318	32,431,000	0	2,379,776
42	Jun 7, 2024 17:17	3,909	57,071,833	31,429,000	1,013,000	2,273,280
43	Jun 7, 2024 17:17	3,909	56,511,179	32,444,000	0	2,273,280
44	Jun 7, 2024 17:17	3,910	57,086,181	32,456,000	0	2,392,064
45	Jun 7, 2024 17:17	3,912	60,456,613	31,452,000	1,014,000	2,273,280
46	Jun 7, 2024 17:16	3,916	53,162,392	31,491,000	1,015,000	2,273,280
47	Jun 7, 2024 17:17	3,917	53,463,343	32,510,000	0	2,392,064
48	Jun 7, 2024 17:16	3,917	55,392,221	32,509,000	0	2,273,280
49	Jun 7, 2024 17:16	3,919	53,931,559	32,527,000	0	2,273,280
50	Jun 7, 2024 17:16	3,920	60,500,915	31,520,000	1,016,000	2,273,280
51	Jun 7, 2024 17:17	3,921	58,766,092	32,542,000	0	2,502,656
52	Jun 7, 2024 17:16	3,921	53,233,039	31,528,000	1,017,000	2,273,280
53	Jun 7, 2024 17:16	3,921	55,136,110	32,548,000	0	2,273,280
54	Jun 7, 2024 17:16	3,923	63,397,032	32,560,000	0	2,392,064
55	Jun 7, 2024 17:16	3,924	61,884,549	31,556,000	1,017,000	2,383,872
56	Jun 7, 2024 17:17	3,927	60,601,249	32,597,000	0	2,383,872
57	Jun 7, 2024 17:17	3,927	58,830,682	31,580,000	1,018,000	2,396,160
58	Jun 7, 2024 17:16	3,927	60,536,258	32,597,000	0	2,273,280
59	Jun 7, 2024 17:16	3,927	57,069,313	31,572,000	1,018,000	2,387,968
60	Jun 7, 2024 17:16	3,929	62,391,133	31,594,000	1,019,000	2,396,160
61	Jun 7, 2024 17:16	3,934	61,031,231	32,654,000	0	2,273,280
62	Jun 7, 2024 17:16	3,935	64,124,323	31,640,000	1,020,000	2,273,280
63	Jun 7, 2024 17:16	3,935	61,027,387	32,660,000	0	2,273,280
64	Jun 7, 2024 17:16	3,936	61,520,854	31,646,000	1,020,000	2,273,280
65	Jun 7, 2024 17:17	3,937	58,152,072	31,652,000	1,021,000	2,396,160
66	Jun 7, 2024 17:16	3,938	57,545,241	31,668,000	1,021,000	2,273,280
67	Jun 7, 2024 17:17	3,951	62,411,925	30,806,000	1,987,000	2,273,280
68	Jun 7, 2024 17:16	3,954	62,007,320	31,824,000	994,000	2,273,280
69	Jun 7, 2024 17:16	3,955	57,855,348	31,833,000	994,000	2,273,280
70	Jun 7, 2024 17:16	3,955	58,865,310	30,835,000	1,989,000	2,392,064
71	Jun 7, 2024 17:16	3,956	58,072,441	30,847,000	1,990,000	2,473,984
72	Jun 7, 2024 17:17	3,957	59,006,570	30,856,000	1,990,000	2,383,872
73	Jun 7, 2024 17:16	3,957	59,947,196	31,848,000	995,000	2,273,280
74	Jun 7, 2024 17:16	3,957	62,650,877	31,848,000	995,000	2,383,872
75	Jun 7, 2024 17:16	3,957	62,725,040	30,856,000	1,990,000	2,273,280
76	Jun 7, 2024 17:16	3,957	58,712,148	30,851,000	1,990,000	2,273,280
77	Jun 7, 2024 17:16	3,958	63,174,460	31,856,000	995,000	2,392,064
78	Jun 7, 2024 17:16	3,958	58,219,482	31,859,000	995,000	2,273,280
79	Jun 7, 2024 17:17	3,960	63,617,632	31,876,000	996,000	2,273,280
80	Jun 7, 2024 17:17	3,962	58,778,077	31,888,000	996,000	2,379,776
81	Jun 7, 2024 17:16	3,966	58,442,803	31,922,000	997,000	2,387,968
82	Jun 7, 2024 17:16	3,976	61,463,731	30,999,000	1,999,000	2,273,280
83	Jun 7, 2024 17:17	3,981	58,239,410	31,040,000	2,002,000	2,396,160
84	Jun 7, 2024 17:16	3,984	62,404,788	31,067,000	2,004,000	2,273,280
85	Jun 7, 2024 17:16	3,998	55,874,749	31,170,000	2,011,000	2,273,280
86	Jun 7, 2024 17:16	4,042	57,282,452	33,549,000	0	2,273,280
87	Jun 7, 2024 17:16	4,083	59,119,733	32,892,000	996,000	2,273,280
88	Jun 7, 2024 17:16	4,119	98,026,504	34,190,883	0	2,273,280
89	Jun 7, 2024 17:16	4,134	96,811,099	34,312,839	0	2,273,280
90	Jun 7, 2024 17:16	4,142	97,070,549	34,379,245	0	2,269,184
91	Jun 7, 2024 17:17	4,148	94,488,433	34,426,438	0	2,277,376
92	Jun 7, 2024 17:16	4,150	97,495,107	34,443,216	0	2,277,376
93	Jun 7, 2024 17:16	4,150	100,410,926	34,446,060	0	2,281,472
94	Jun 7, 2024 17:16	4,156	107,482,940	34,495,838	0	2,273,280
95	Jun 7, 2024 17:17	4,160	101,523,751	34,525,603	0	2,277,376
96	Jun 7, 2024 17:17	4,167	99,737,360	34,587,017	0	2,273,280
97	Jun 7, 2024 17:16	4,172	91,364,084	34,630,876	0	2,269,184
98	Jun 7, 2024 17:16	4,173	113,258,816	34,632,903	0	2,289,664
99	Jun 7, 2024 17:17	4,176	111,630,661	34,662,626	0	2,281,472
100	Jun 7, 2024 17:16	4,177	96,892,739	34,670,446	0	2,281,472
101	Jun 7, 2024 17:16	4,183	112,728,394	34,719,108	0	2,285,568
102	Jun 7, 2024 17:16	4,187	106,966,367	34,755,738	0	2,273,280
103	Jun 7, 2024 17:16	4,187	113,297,106	34,754,941	0	2,277,376
104	Jun 7, 2024 17:17	4,198	102,119,406	34,845,638	0	2,273,280
105	Jun 7, 2024 17:16	4,204	102,915,849	34,889,430	0	2,269,184
106	Jun 7, 2024 17:16	4,212	107,039,106	34,957,776	0	2,285,568
107	Jun 7, 2024 17:16	4,213	98,230,730	34,969,225	0	2,277,376
108	Jun 7, 2024 17:16	4,220	93,848,087	35,025,779	0	2,269,184
109	Jun 7, 2024 17:16	4,254	98,208,854	35,306,586	0	2,281,472
110	Jun 7, 2024 17:17	4,274	106,221,406	35,475,548	0	2,277,376
111	Jun 7, 2024 17:16	4,382	113,781,663	36,374,453	0	2,273,280

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