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 17:01	4,885	61,800,122	39,535,000	1,013,000	2,408,448
2	Jun 4, 2024 17:01	4,888	67,920,177	39,553,000	1,014,000	2,400,256
3	Jun 4, 2024 17:01	4,890	70,720,423	39,575,000	1,014,000	2,392,064
4	Jun 4, 2024 17:01	4,890	68,222,593	39,575,000	1,014,000	2,273,280
5	Jun 4, 2024 17:00	4,890	72,786,738	39,577,000	1,014,000	2,273,280
6	Jun 4, 2024 17:00	4,892	71,054,257	39,590,000	1,015,000	2,396,160
7	Jun 4, 2024 17:00	4,893	65,911,617	39,598,000	1,015,000	2,273,280
8	Jun 4, 2024 17:00	4,894	68,079,799	40,617,000	0	2,273,280
9	Jun 4, 2024 17:00	4,894	67,526,293	39,604,000	1,015,000	2,404,352
10	Jun 4, 2024 17:00	4,895	69,622,045	40,627,000	0	2,273,280
11	Jun 4, 2024 17:00	4,895	69,861,949	39,616,000	1,015,000	2,400,256
12	Jun 4, 2024 17:00	4,896	66,534,693	40,640,000	0	2,273,280
13	Jun 4, 2024 17:00	4,896	66,776,967	40,638,000	0	2,273,280
14	Jun 4, 2024 17:00	4,897	65,163,314	39,633,000	1,016,000	2,273,280
15	Jun 4, 2024 17:01	4,897	69,074,112	39,631,000	1,016,000	2,273,280
16	Jun 4, 2024 17:00	4,898	65,452,310	40,650,000	0	2,510,848
17	Jun 4, 2024 17:01	4,899	66,176,849	39,643,000	1,016,000	2,404,352
18	Jun 4, 2024 17:01	4,900	62,357,199	40,670,000	0	2,273,280
19	Jun 4, 2024 17:00	4,900	67,216,251	39,650,000	1,016,000	2,396,160
20	Jun 4, 2024 17:01	4,900	69,845,679	40,669,000	0	2,273,280
21	Jun 4, 2024 17:00	4,901	70,935,133	40,677,000	0	2,400,256
22	Jun 4, 2024 17:00	4,902	67,639,098	39,666,000	1,017,000	2,400,256
23	Jun 4, 2024 17:00	4,902	68,677,170	39,668,000	1,017,000	2,273,280
24	Jun 4, 2024 17:01	4,903	72,580,656	40,696,000	0	2,404,352
25	Jun 4, 2024 17:00	4,903	69,024,060	39,675,000	1,017,000	2,400,256
26	Jun 4, 2024 17:01	4,905	63,330,548	38,729,000	1,986,000	2,273,280
27	Jun 4, 2024 17:01	4,906	72,150,172	38,730,000	1,986,000	2,400,256
28	Jun 4, 2024 17:00	4,914	68,041,910	40,785,000	0	2,273,280
29	Jun 4, 2024 17:01	4,915	66,917,303	40,795,000	0	2,273,280
30	Jun 4, 2024 17:01	4,916	69,371,938	39,810,000	995,000	2,392,064
31	Jun 4, 2024 17:00	4,916	66,941,912	39,806,000	995,000	2,490,368
32	Jun 4, 2024 17:01	4,917	70,777,474	39,816,000	995,000	2,273,280
33	Jun 4, 2024 17:01	4,917	68,087,551	39,816,000	995,000	2,494,464
34	Jun 4, 2024 17:01	4,918	70,913,110	39,823,000	995,000	2,273,280
35	Jun 4, 2024 17:00	4,918	68,277,572	38,828,000	1,991,000	2,273,280
36	Jun 4, 2024 17:00	4,918	69,132,387	39,826,000	995,000	2,408,448
37	Jun 4, 2024 17:01	4,918	72,469,964	40,822,000	0	2,273,280
38	Jun 4, 2024 17:00	4,919	65,324,254	38,835,000	1,991,000	2,400,256
39	Jun 4, 2024 17:01	4,920	68,033,105	39,837,000	995,000	2,273,280
40	Jun 4, 2024 17:00	4,920	72,266,459	38,842,000	1,991,000	2,400,256
41	Jun 4, 2024 17:00	4,920	70,525,849	40,832,000	0	2,387,968
42	Jun 4, 2024 17:01	4,920	68,504,444	40,834,000	0	2,273,280
43	Jun 4, 2024 17:01	4,920	66,589,075	39,844,000	996,000	2,519,040
44	Jun 4, 2024 17:01	4,920	67,641,207	38,841,000	1,991,000	2,273,280
45	Jun 4, 2024 17:01	4,921	69,126,902	40,845,000	0	2,273,280
46	Jun 4, 2024 17:00	4,922	67,075,372	38,861,000	1,992,000	2,404,352
47	Jun 4, 2024 17:00	4,922	68,497,977	38,861,000	1,992,000	2,273,280
48	Jun 4, 2024 17:01	4,925	62,929,030	39,884,000	997,000	2,396,160
49	Jun 4, 2024 17:01	4,927	65,816,698	39,894,000	997,000	2,404,352
50	Jun 4, 2024 17:00	4,931	64,755,686	38,931,000	1,996,000	2,273,280
51	Jun 4, 2024 17:00	4,933	64,222,287	39,950,000	998,000	2,273,280
52	Jun 4, 2024 17:01	4,952	61,501,523	39,097,000	2,005,000	2,510,848
53	Jun 4, 2024 17:01	4,968	63,585,366	39,223,000	2,011,000	2,273,280
54	Jun 4, 2024 17:01	4,992	64,774,473	40,427,000	1,010,000	2,273,280
55	Jun 4, 2024 17:01	5,041	104,305,607	41,843,248	0	2,281,472
56	Jun 4, 2024 17:01	5,045	103,332,017	41,876,687	0	2,285,568
57	Jun 4, 2024 17:01	5,046	111,920,096	41,885,178	0	2,281,472
58	Jun 4, 2024 17:00	5,046	103,078,152	41,883,575	0	2,277,376
59	Jun 4, 2024 17:00	5,047	119,954,667	41,889,045	0	2,289,664
60	Jun 4, 2024 17:00	5,047	116,976,428	41,888,463	0	2,289,664
61	Jun 4, 2024 17:01	5,047	106,863,611	41,887,486	0	2,277,376
62	Jun 4, 2024 17:00	5,048	126,470,730	41,901,023	0	2,285,568
63	Jun 4, 2024 17:00	5,049	106,857,582	41,906,576	0	2,281,472
64	Jun 4, 2024 17:00	5,050	115,297,961	41,914,956	0	2,281,472
65	Jun 4, 2024 17:01	5,051	123,086,044	41,919,656	0	2,285,568
66	Jun 4, 2024 17:01	5,052	109,250,060	41,927,790	0	2,281,472
67	Jun 4, 2024 17:00	5,053	109,206,332	41,940,158	0	2,285,568
68	Jun 4, 2024 17:01	5,053	95,379,453	41,939,937	0	2,285,568
69	Jun 4, 2024 17:01	5,054	109,820,012	41,945,719	0	2,281,472
70	Jun 4, 2024 17:01	5,055	126,188,245	41,958,831	0	2,293,760
71	Jun 4, 2024 17:00	5,057	128,301,945	41,969,672	0	2,289,664
72	Jun 4, 2024 17:00	5,057	92,735,093	41,972,677	0	2,285,568
73	Jun 4, 2024 17:01	5,057	115,112,274	41,971,220	0	2,281,472
74	Jun 4, 2024 17:00	5,059	108,690,063	41,989,111	0	2,297,856
75	Jun 4, 2024 17:01	5,061	115,039,364	42,010,446	0	2,289,664
76	Jun 4, 2024 17:00	5,063	114,868,873	42,023,290	0	2,289,664
77	Jun 4, 2024 17:00	5,065	111,132,032	42,038,033	0	2,289,664
78	Jun 4, 2024 17:01	5,085	114,702,839	42,202,215	0	2,273,280
79	Jun 4, 2024 17:01	5,805	71,371,836	47,177,000	1,003,000	2,392,064
80	Jun 4, 2024 17:00	5,812	70,893,619	47,236,000	1,005,000	2,396,160
81	Jun 4, 2024 17:00	5,813	70,826,147	47,242,000	1,005,000	2,392,064
82	Jun 4, 2024 17:01	5,817	71,523,882	48,279,000	0	2,392,064
83	Jun 4, 2024 17:00	5,824	77,420,394	48,341,000	0	2,273,280
84	Jun 4, 2024 17:00	5,825	72,124,139	47,341,000	1,007,000	2,273,280
85	Jun 4, 2024 17:01	5,825	76,329,339	47,338,000	1,007,000	2,396,160
86	Jun 4, 2024 17:01	5,826	71,143,222	47,348,000	1,007,000	2,396,160
87	Jun 4, 2024 17:01	5,832	69,500,797	47,400,000	1,008,000	2,396,160
88	Jun 4, 2024 17:01	5,832	73,709,254	48,409,000	0	2,396,160
89	Jun 4, 2024 17:01	5,833	73,524,745	47,408,000	1,008,000	2,273,280
90	Jun 4, 2024 17:00	5,845	71,586,814	48,511,000	0	2,273,280
91	Jun 4, 2024 17:00	5,849	71,237,557	47,533,000	1,011,000	2,273,280
92	Jun 4, 2024 17:01	5,850	73,015,097	47,543,000	1,011,000	2,273,280
93	Jun 4, 2024 17:00	5,864	80,881,500	48,671,000	0	2,392,064
94	Jun 4, 2024 17:00	5,879	75,386,114	47,797,000	995,000	2,400,256
95	Jun 4, 2024 17:01	5,892	70,296,309	46,907,000	1,996,000	2,514,944
96	Jun 4, 2024 17:00	5,897	69,052,304	47,951,000	998,000	2,273,280

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