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 16:09	3,762	54,597,452	28,203,000	3,021,000	2,486,272
2	Jun 7, 2024 16:09	3,774	52,786,963	28,296,000	3,031,000	2,490,368
3	Jun 7, 2024 16:09	3,787	52,267,797	29,403,000	2,027,000	2,273,280
4	Jun 7, 2024 16:09	3,803	56,805,373	30,545,000	1,018,000	2,273,280
5	Jun 7, 2024 16:09	3,804	59,822,187	29,539,000	2,037,000	2,273,280
6	Jun 7, 2024 16:09	3,833	58,152,586	29,827,000	1,988,000	2,338,816
7	Jun 7, 2024 16:09	3,834	64,508,531	30,829,000	994,000	2,490,368
8	Jun 7, 2024 16:09	3,836	57,260,004	29,849,000	1,989,000	2,478,080
9	Jun 7, 2024 16:09	3,837	57,644,282	28,859,000	2,985,000	2,404,352
10	Jun 7, 2024 16:09	3,839	55,433,217	29,870,000	1,991,000	2,486,272
11	Jun 7, 2024 16:09	3,844	58,407,723	29,910,000	1,994,000	2,273,280
12	Jun 7, 2024 16:09	3,845	52,778,201	29,919,000	1,994,000	2,273,280
13	Jun 7, 2024 16:09	3,845	59,995,858	29,919,000	1,994,000	2,273,280
14	Jun 7, 2024 16:09	3,848	53,863,009	30,943,000	998,000	2,486,272
15	Jun 7, 2024 16:09	3,849	62,346,966	29,949,000	1,996,000	2,273,280
16	Jun 7, 2024 16:09	3,852	52,791,516	29,976,000	1,998,000	2,490,368
17	Jun 7, 2024 16:09	3,858	54,251,177	30,023,000	2,001,000	2,269,184
18	Jun 7, 2024 16:09	3,862	55,162,164	29,050,000	3,005,000	2,347,008
19	Jun 7, 2024 16:09	3,863	57,914,828	31,060,000	1,001,000	2,273,280
20	Jun 7, 2024 16:09	3,876	57,714,137	29,155,000	3,016,000	2,273,280
21	Jun 7, 2024 16:09	3,876	51,238,155	29,157,000	3,016,000	2,478,080
22	Jun 7, 2024 16:09	3,885	52,654,427	29,222,000	3,023,000	2,338,816
23	Jun 7, 2024 16:09	3,885	61,434,112	29,226,000	3,023,000	2,273,280
24	Jun 7, 2024 16:09	3,887	54,108,386	29,235,000	3,024,000	2,273,280
25	Jun 7, 2024 16:09	3,889	61,640,823	29,251,000	3,026,000	2,273,280
26	Jun 7, 2024 16:09	3,891	54,053,024	29,271,000	3,028,000	2,482,176
27	Jun 7, 2024 16:09	3,896	60,189,174	30,318,000	2,021,000	2,273,280
28	Jun 7, 2024 16:09	3,896	58,311,534	30,315,000	2,021,000	2,273,280
29	Jun 7, 2024 16:09	3,899	60,663,009	30,338,000	2,022,000	2,273,280
30	Jun 7, 2024 16:09	3,902	55,191,190	30,366,000	2,024,000	2,486,272
31	Jun 7, 2024 16:09	3,904	56,693,963	30,377,000	2,025,000	2,273,280
32	Jun 7, 2024 16:09	3,906	55,031,208	30,392,000	2,026,000	2,273,280
33	Jun 7, 2024 16:09	3,911	55,223,105	30,431,000	2,028,000	2,347,008
34	Jun 7, 2024 16:09	3,911	59,641,122	30,433,000	2,028,000	2,273,280
35	Jun 7, 2024 16:09	3,913	60,800,408	30,450,000	2,030,000	2,482,176
36	Jun 7, 2024 16:09	3,921	54,531,527	30,511,000	2,034,000	2,265,088
37	Jun 7, 2024 16:09	3,924	57,334,553	30,535,000	2,035,000	2,273,280
38	Jun 7, 2024 16:09	3,925	57,745,697	31,559,000	1,018,000	2,482,176
39	Jun 7, 2024 16:09	3,928	60,393,945	31,587,000	1,018,000	2,490,368
40	Jun 7, 2024 16:09	3,929	62,593,339	31,592,000	1,019,000	2,347,008
41	Jun 7, 2024 16:09	3,930	65,185,017	31,598,000	1,019,000	2,273,280
42	Jun 7, 2024 16:09	3,933	57,392,719	31,621,000	1,020,000	2,273,280
43	Jun 7, 2024 16:09	3,934	62,175,283	30,611,000	2,040,000	2,490,368
44	Jun 7, 2024 16:09	3,936	68,812,253	31,645,000	1,020,000	2,273,280
45	Jun 7, 2024 16:09	3,937	57,661,317	30,638,000	2,042,000	2,506,752
46	Jun 7, 2024 16:09	3,939	57,911,732	30,649,000	2,043,000	2,273,280
47	Jun 7, 2024 16:09	3,939	58,857,128	30,651,000	2,043,000	2,478,080
48	Jun 7, 2024 16:09	3,951	61,274,424	30,806,000	1,987,000	2,490,368
49	Jun 7, 2024 16:09	3,955	65,983,423	31,836,000	994,000	2,490,368
50	Jun 7, 2024 16:09	3,956	62,875,038	30,847,000	1,990,000	2,273,280
51	Jun 7, 2024 16:09	3,956	60,029,579	30,844,000	1,989,000	2,273,280
52	Jun 7, 2024 16:09	3,958	64,170,853	29,863,000	2,986,000	2,273,280
53	Jun 7, 2024 16:09	3,958	59,861,079	32,849,000	0	2,490,368
54	Jun 7, 2024 16:09	3,958	58,256,992	31,857,000	995,000	2,351,104
55	Jun 7, 2024 16:09	3,961	56,228,234	30,883,000	1,992,000	2,273,280
56	Jun 7, 2024 16:09	3,961	55,864,279	29,888,000	2,988,000	2,273,280
57	Jun 7, 2024 16:09	3,976	58,217,166	31,004,000	2,000,000	2,273,280
58	Jun 7, 2024 16:09	3,979	57,126,757	30,025,000	3,002,000	2,273,280
59	Jun 7, 2024 16:09	3,980	58,826,722	31,036,000	2,002,000	2,494,464
60	Jun 7, 2024 16:09	3,994	56,394,879	30,134,000	3,013,000	2,306,048
61	Jun 7, 2024 16:09	3,998	58,841,544	30,167,000	3,016,000	2,482,176
62	Jun 7, 2024 16:09	3,999	63,205,355	31,180,000	2,011,000	2,273,280
63	Jun 7, 2024 16:09	4,005	59,080,122	30,221,000	3,022,000	2,273,280
64	Jun 7, 2024 16:09	4,007	58,893,830	30,231,000	3,023,000	2,273,280
65	Jun 7, 2024 16:09	4,007	59,687,472	30,231,000	3,023,000	2,273,280
66	Jun 7, 2024 16:09	4,021	57,367,100	30,341,000	3,034,000	2,273,280
67	Jun 7, 2024 16:09	4,028	55,031,856	31,405,000	2,026,000	2,269,184
68	Jun 7, 2024 16:09	4,032	55,728,789	31,441,000	2,028,000	2,510,848
69	Jun 7, 2024 16:09	4,034	57,112,375	30,436,000	3,043,000	2,490,368
70	Jun 7, 2024 16:09	4,052	56,965,169	31,590,000	2,038,000	2,273,280
71	Jun 7, 2024 16:09	4,067	99,598,993	33,753,189	0	2,244,608
72	Jun 7, 2024 16:09	4,095	105,927,601	33,990,728	0	2,236,416
73	Jun 7, 2024 16:09	4,116	108,513,728	34,160,750	0	2,232,320
74	Jun 7, 2024 16:09	4,123	91,868,110	34,219,660	0	2,248,704
75	Jun 7, 2024 16:09	4,130	94,364,754	34,276,840	0	2,240,512
76	Jun 7, 2024 16:09	4,132	109,529,148	34,297,333	0	2,240,512
77	Jun 7, 2024 16:09	4,150	108,565,930	34,447,409	0	2,375,680
78	Jun 7, 2024 16:09	4,150	113,143,582	34,447,654	0	2,371,584
79	Jun 7, 2024 16:09	4,161	111,201,036	34,534,148	0	2,240,512
80	Jun 7, 2024 16:09	4,165	123,909,530	34,566,042	0	2,240,512
81	Jun 7, 2024 16:09	4,175	103,975,073	34,651,734	0	2,252,800
82	Jun 7, 2024 16:09	4,176	104,548,672	34,660,064	0	2,240,512
83	Jun 7, 2024 16:09	4,189	93,389,952	34,765,433	0	2,244,608
84	Jun 7, 2024 16:09	4,193	124,341,412	34,804,870	0	2,232,320
85	Jun 7, 2024 16:09	4,194	104,154,206	34,809,628	0	2,375,680
86	Jun 7, 2024 16:09	4,210	83,813,047	34,943,491	0	2,248,704
87	Jun 7, 2024 16:09	4,210	106,216,082	34,943,254	0	2,375,680
88	Jun 7, 2024 16:09	4,245	99,987,380	35,230,887	0	2,240,512
89	Jun 7, 2024 16:09	4,247	107,553,704	35,247,809	0	2,240,512
90	Jun 7, 2024 16:09	4,252	118,327,760	35,294,458	0	2,232,320
91	Jun 7, 2024 16:09	4,282	97,080,499	35,538,434	0	2,371,584
92	Jun 7, 2024 16:09	4,316	102,385,933	35,820,577	0	2,236,416
93	Jun 7, 2024 16:09	4,367	128,306,642	36,249,982	0	2,232,320
94	Jun 7, 2024 16:09	4,443	98,588,258	36,879,605	0	2,240,512
95	Jun 7, 2024 16:09	32,142	1,753,003,653	32,534,000	234,246,000	252,628,992
96	Jun 7, 2024 16:09	33,491	1,807,753,254	32,644,000	245,328,000	259,772,416

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