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 12:13	4,088	55,741,248	31,936,000	1,996,000	376,832
2	Jun 7, 2024 12:13	4,111	58,084,624	31,110,000	3,010,000	176,128
3	Jun 7, 2024 12:13	4,113	64,370,999	31,128,000	3,012,000	2,273,280
4	Jun 7, 2024 12:13	4,115	56,423,620	32,145,000	2,009,000	2,269,184
5	Jun 7, 2024 12:13	4,115	58,342,486	33,149,000	1,004,000	176,128
6	Jun 7, 2024 12:13	4,118	58,971,102	31,164,000	3,015,000	176,128
7	Jun 7, 2024 12:13	4,124	55,898,729	31,211,000	3,020,000	2,486,272
8	Jun 7, 2024 12:13	4,124	63,276,650	31,207,000	3,020,000	2,273,280
9	Jun 7, 2024 12:13	4,127	58,239,291	31,235,000	3,022,000	2,506,752
10	Jun 7, 2024 12:13	4,129	61,920,279	31,248,000	3,024,000	2,273,280
11	Jun 7, 2024 12:13	4,134	66,840,453	31,282,000	3,027,000	2,473,984
12	Jun 7, 2024 12:13	4,134	54,743,837	32,291,000	2,018,000	2,273,280
13	Jun 7, 2024 12:13	4,136	57,040,079	31,299,000	3,029,000	2,494,464
14	Jun 7, 2024 12:13	4,138	60,916,409	33,337,000	1,010,000	2,273,280
15	Jun 7, 2024 12:13	4,139	56,402,897	32,335,000	2,020,000	2,396,160
16	Jun 7, 2024 12:13	4,140	57,657,768	32,339,000	2,021,000	2,486,272
17	Jun 7, 2024 12:13	4,141	59,742,695	32,350,000	2,021,000	2,490,368
18	Jun 7, 2024 12:13	4,143	57,381,293	32,361,000	2,022,000	376,832
19	Jun 7, 2024 12:13	4,147	58,394,147	32,392,000	2,024,000	2,273,280
20	Jun 7, 2024 12:13	4,149	58,493,501	32,411,000	2,025,000	2,273,280
21	Jun 7, 2024 12:13	4,149	59,601,615	31,397,000	3,038,000	2,273,280
22	Jun 7, 2024 12:13	4,151	55,682,488	33,442,000	1,013,000	176,128
23	Jun 7, 2024 12:13	4,151	55,969,323	32,424,000	2,026,000	2,273,280
24	Jun 7, 2024 12:13	4,152	58,992,409	33,452,000	1,013,000	2,342,912
25	Jun 7, 2024 12:13	4,153	56,829,922	32,444,000	2,027,000	2,486,272
26	Jun 7, 2024 12:13	4,162	58,591,222	33,529,000	1,016,000	2,486,272
27	Jun 7, 2024 12:13	4,163	55,869,762	32,518,000	2,032,000	2,490,368
28	Jun 7, 2024 12:13	4,164	63,365,263	32,532,000	2,033,000	2,494,464
29	Jun 7, 2024 12:13	4,173	66,074,944	32,597,000	2,037,000	2,494,464
30	Jun 7, 2024 12:13	4,173	59,533,285	34,634,000	0	2,469,888
31	Jun 7, 2024 12:13	4,177	58,826,802	32,628,000	2,039,000	2,490,368
32	Jun 7, 2024 12:13	4,179	59,006,199	33,664,000	1,020,000	2,273,280
33	Jun 7, 2024 12:13	4,183	64,281,998	33,696,000	1,021,000	2,482,176
34	Jun 7, 2024 12:13	4,185	60,147,198	32,749,000	1,984,000	2,273,280
35	Jun 7, 2024 12:13	4,193	60,971,570	31,821,000	2,983,000	2,490,368
36	Jun 7, 2024 12:13	4,194	58,054,791	31,827,000	2,983,000	2,273,280
37	Jun 7, 2024 12:13	4,195	64,665,297	32,827,000	1,989,000	2,478,080
38	Jun 7, 2024 12:13	4,196	61,085,710	31,842,000	2,985,000	2,342,912
39	Jun 7, 2024 12:13	4,196	60,261,926	32,837,000	1,990,000	176,128
40	Jun 7, 2024 12:13	4,197	70,585,301	32,846,000	1,990,000	2,482,176
41	Jun 7, 2024 12:13	4,198	60,416,571	32,855,000	1,991,000	2,273,280
42	Jun 7, 2024 12:13	4,199	65,219,814	31,864,000	2,987,000	176,128
43	Jun 7, 2024 12:13	4,222	61,731,356	32,036,000	3,003,000	2,273,280
44	Jun 7, 2024 12:13	4,228	63,522,344	33,087,000	2,005,000	2,482,176
45	Jun 7, 2024 12:13	4,230	57,799,323	32,102,000	3,009,000	172,032
46	Jun 7, 2024 12:13	4,288	69,586,982	33,613,000	1,977,000	2,273,280
47	Jun 7, 2024 12:13	4,296	62,826,422	33,622,000	2,037,000	2,273,280
48	Jun 7, 2024 12:13	4,297	116,859,639	35,668,658	0	2,232,320
49	Jun 7, 2024 12:13	4,311	109,251,357	35,782,182	0	2,240,512
50	Jun 7, 2024 12:13	4,319	68,890,988	34,849,000	995,000	372,736
51	Jun 7, 2024 12:13	4,322	104,990,049	35,869,060	0	2,248,704
52	Jun 7, 2024 12:13	4,336	98,061,148	35,992,322	0	2,236,416
53	Jun 7, 2024 12:13	4,340	105,780,369	36,024,766	0	2,240,512
54	Jun 7, 2024 12:13	4,344	103,070,893	36,058,790	0	2,240,512
55	Jun 7, 2024 12:13	4,358	105,099,372	36,169,808	0	2,240,512
56	Jun 7, 2024 12:13	4,369	114,354,709	36,262,640	0	2,252,800
57	Jun 7, 2024 12:13	4,389	93,437,509	36,424,866	0	2,248,704
58	Jun 7, 2024 12:13	4,401	98,434,214	36,530,043	0	2,252,800
59	Jun 7, 2024 12:13	4,458	101,606,425	37,004,675	0	2,236,416
60	Jun 7, 2024 12:13	4,478	105,267,563	37,169,378	0	2,240,512

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