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	Nov 6, 2023 05:11	7,707	91,168,382	61,971,000	1,999,000	2,273,280
2	Nov 6, 2023 05:08	7,711	85,188,734	63,001,000	1,000,000	2,412,544
3	Nov 6, 2023 05:11	7,712	88,462,424	63,013,000	1,000,000	2,396,160
4	Nov 6, 2023 05:11	7,713	87,101,413	62,022,000	2,000,000	2,396,160
5	Nov 6, 2023 05:10	7,715	88,227,028	63,035,000	1,000,000	2,392,064
6	Nov 6, 2023 05:10	7,719	87,204,121	62,065,000	2,002,000	2,273,280
7	Nov 6, 2023 05:10	7,720	92,134,262	63,074,000	1,001,000	2,396,160
8	Nov 6, 2023 03:11	7,721	86,878,155	62,083,000	2,002,000	2,273,280
9	Nov 6, 2023 03:11	7,726	88,792,250	63,124,000	1,001,000	2,273,280
10	Nov 6, 2023 03:11	7,726	90,503,947	62,124,000	2,004,000	2,392,064
11	Nov 6, 2023 05:10	7,726	86,958,471	63,124,000	1,001,000	2,273,280
12	Nov 6, 2023 05:10	7,726	86,365,112	62,125,000	2,004,000	2,404,352
13	Nov 6, 2023 05:12	7,728	91,135,430	63,144,000	1,002,000	2,273,280
14	Nov 6, 2023 05:10	7,728	88,217,366	63,144,000	1,002,000	2,510,848
15	Nov 6, 2023 05:12	7,729	90,275,602	62,148,000	2,004,000	2,273,280
16	Nov 6, 2023 05:12	7,729	86,102,822	63,150,000	1,002,000	2,273,280
17	Nov 6, 2023 05:11	7,730	89,218,973	63,159,000	1,002,000	2,400,256
18	Nov 6, 2023 05:11	7,732	84,299,784	62,174,000	2,005,000	2,404,352
19	Nov 6, 2023 03:11	7,733	87,691,729	62,175,000	2,005,000	2,400,256
20	Nov 6, 2023 05:10	7,733	85,968,569	62,181,000	2,005,000	2,273,280
21	Nov 6, 2023 05:08	7,735	87,497,122	63,196,000	1,003,000	2,396,160
22	Nov 6, 2023 05:12	7,736	91,141,423	63,204,000	1,003,000	2,273,280
23	Nov 6, 2023 05:12	7,736	88,159,009	62,203,000	2,006,000	2,400,256
24	Nov 6, 2023 05:08	7,736	90,584,016	63,209,000	1,003,000	2,510,848
25	Nov 6, 2023 05:08	7,743	84,739,983	63,265,000	1,004,000	2,273,280
26	Nov 6, 2023 05:12	7,744	94,843,718	63,268,000	1,004,000	2,392,064
27	Nov 6, 2023 05:11	7,747	90,972,140	63,294,000	1,004,000	2,396,160
28	Nov 6, 2023 05:10	7,748	89,549,123	64,312,000	0	2,273,280
29	Nov 6, 2023 03:11	7,752	90,309,740	63,337,000	1,005,000	2,273,280
30	Nov 6, 2023 05:08	7,752	86,791,071	64,342,000	0	2,273,280
31	Nov 6, 2023 03:11	7,756	88,086,625	63,370,000	1,005,000	2,273,280
32	Nov 6, 2023 05:10	7,757	89,965,897	63,391,000	990,000	2,400,256
33	Nov 6, 2023 05:11	7,757	87,737,027	63,381,000	1,006,000	2,404,352
34	Nov 6, 2023 03:11	7,757	89,676,313	64,380,000	0	2,273,280
35	Nov 6, 2023 05:08	7,760	89,080,521	63,421,000	990,000	2,392,064
36	Nov 6, 2023 03:11	7,768	86,958,954	63,471,000	1,007,000	2,273,280
37	Nov 6, 2023 05:12	7,779	93,197,655	64,562,000	0	2,400,256
38	Nov 6, 2023 05:10	7,780	92,163,316	64,571,000	0	2,273,280
39	Nov 6, 2023 05:11	7,781	93,440,446	64,584,000	0	2,273,280
40	Nov 6, 2023 03:11	7,781	91,017,786	63,574,000	1,009,000	2,510,848
41	Nov 6, 2023 05:12	7,787	90,247,025	63,623,000	1,009,000	2,490,368
42	Nov 6, 2023 05:11	7,790	96,250,887	63,644,000	1,010,000	2,273,280
43	Nov 6, 2023 05:12	7,806	92,723,665	64,786,000	0	2,273,280
44	Nov 6, 2023 05:08	7,809	93,933,420	62,822,000	1,994,000	2,273,280
45	Nov 6, 2023 05:10	7,809	94,071,186	62,817,000	1,994,000	2,273,280
46	Nov 6, 2023 05:12	7,809	93,415,764	62,822,000	1,994,000	2,273,280
47	Nov 6, 2023 05:11	7,820	82,870,092	63,912,000	998,000	2,400,256
48	Nov 6, 2023 05:11	7,826	88,853,140	63,959,000	999,000	2,404,352
49	Nov 6, 2023 03:11	7,829	85,147,750	63,978,000	999,000	2,506,752
50	Nov 6, 2023 03:11	7,900	91,436,439	65,566,000	0	2,273,280
51	Nov 6, 2023 05:12	7,901	91,657,592	65,578,000	0	2,273,280
52	Nov 6, 2023 05:10	7,922	117,776,333	65,753,106	0	2,281,472
53	Nov 6, 2023 05:08	7,922	128,716,106	65,750,242	0	2,273,280
54	Nov 6, 2023 05:11	7,927	93,740,580	63,805,000	1,993,000	2,273,280
55	Nov 6, 2023 05:08	7,928	92,545,073	64,807,000	997,000	2,273,280
56	Nov 6, 2023 05:10	7,932	120,450,026	65,838,322	0	2,277,376
57	Nov 6, 2023 03:11	7,933	97,576,132	64,828,000	1,012,000	2,273,280
58	Nov 6, 2023 05:12	7,942	91,167,304	64,920,000	998,000	2,273,280
59	Nov 6, 2023 05:11	7,946	136,912,499	65,955,492	0	2,277,376
60	Nov 6, 2023 05:11	7,946	133,650,169	65,949,681	0	2,281,472
61	Nov 6, 2023 05:10	7,947	128,017,953	65,960,999	0	2,281,472
62	Nov 6, 2023 05:12	7,954	124,844,707	66,018,632	0	2,281,472
63	Nov 6, 2023 05:08	7,965	142,151,076	66,110,374	0	2,285,568
64	Nov 6, 2023 05:08	7,973	126,473,336	66,171,991	0	2,273,280
65	Nov 6, 2023 05:12	7,975	123,576,082	66,189,114	0	2,273,280
66	Nov 6, 2023 05:08	8,001	88,624,775	66,412,000	0	2,396,160
67	Nov 6, 2023 03:11	8,023	134,964,520	66,591,632	0	2,277,376
68	Nov 6, 2023 05:10	8,028	94,273,950	64,641,000	1,988,000	2,273,280
69	Nov 6, 2023 03:11	8,031	132,794,440	66,657,179	0	2,256,896
70	Nov 6, 2023 05:11	8,035	144,633,155	66,691,593	0	2,252,800
71	Nov 6, 2023 03:11	8,057	133,426,970	66,873,603	0	2,281,472
72	Nov 6, 2023 05:08	8,077	93,841,552	65,039,000	2,001,000	2,387,968
73	Nov 6, 2023 05:08	8,120	96,722,270	66,390,000	1,005,000	2,273,280
74	Nov 6, 2023 05:08	8,184	90,574,024	66,929,000	998,000	2,392,064
75	Nov 6, 2023 05:12	8,218	136,981,370	68,210,541	0	2,273,280

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