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 13:51	4,008	60,407,058	30,246,000	3,024,000	2,400,256
2	Jun 7, 2024 13:52	4,013	55,672,245	31,286,000	2,018,000	2,490,368
3	Jun 7, 2024 13:51	4,024	55,855,834	31,379,000	2,024,000	2,486,272
4	Jun 7, 2024 13:51	4,032	53,983,889	31,441,000	2,028,000	2,486,272
5	Jun 7, 2024 13:51	4,039	54,286,256	31,489,000	2,031,000	2,273,280
6	Jun 7, 2024 13:52	4,075	59,077,500	31,836,000	1,989,000	2,273,280
7	Jun 7, 2024 13:51	4,076	60,307,175	31,840,000	1,990,000	2,478,080
8	Jun 7, 2024 13:51	4,077	59,233,616	30,857,000	2,986,000	2,273,280
9	Jun 7, 2024 13:51	4,077	63,055,524	32,846,000	995,000	2,273,280
10	Jun 7, 2024 13:51	4,078	59,603,852	31,856,000	1,991,000	2,363,392
11	Jun 7, 2024 13:51	4,078	60,897,774	31,856,000	1,991,000	2,490,368
12	Jun 7, 2024 13:51	4,079	56,176,877	31,861,000	1,991,000	2,338,816
13	Jun 7, 2024 13:51	4,083	66,477,637	30,896,000	2,989,000	2,482,176
14	Jun 7, 2024 13:51	4,084	56,554,051	31,905,000	1,994,000	2,482,176
15	Jun 7, 2024 13:51	4,085	56,732,947	30,915,000	2,991,000	2,273,280
16	Jun 7, 2024 13:51	4,088	56,865,201	30,937,000	2,993,000	2,371,584
17	Jun 7, 2024 13:51	4,089	57,154,744	32,940,000	998,000	2,273,280
18	Jun 7, 2024 13:52	4,090	57,086,252	30,952,000	2,995,000	2,273,280
19	Jun 7, 2024 13:52	4,091	56,120,570	31,959,000	1,997,000	2,273,280
20	Jun 7, 2024 13:51	4,092	61,096,067	31,964,000	1,997,000	2,486,272
21	Jun 7, 2024 13:52	4,094	55,429,207	30,982,000	2,998,000	2,478,080
22	Jun 7, 2024 13:51	4,094	58,845,176	30,984,000	2,998,000	2,490,368
23	Jun 7, 2024 13:51	4,095	54,447,498	31,987,000	1,999,000	2,482,176
24	Jun 7, 2024 13:52	4,097	58,099,741	31,001,000	3,000,000	2,273,280
25	Jun 7, 2024 13:51	4,099	57,208,446	32,018,000	2,001,000	2,482,176
26	Jun 7, 2024 13:51	4,100	57,649,681	32,030,000	2,001,000	2,482,176
27	Jun 7, 2024 13:51	4,100	63,085,493	32,029,000	2,001,000	2,273,280
28	Jun 7, 2024 13:52	4,101	58,679,373	31,036,000	3,003,000	2,478,080
29	Jun 7, 2024 13:52	4,102	57,235,800	32,045,000	2,002,000	2,494,464
30	Jun 7, 2024 13:51	4,102	55,726,013	31,043,000	3,004,000	2,273,280
31	Jun 7, 2024 13:51	4,103	56,757,943	33,053,000	1,001,000	2,273,280
32	Jun 7, 2024 13:51	4,105	60,434,495	32,068,000	2,004,000	2,273,280
33	Jun 7, 2024 13:51	4,107	57,302,732	32,084,000	2,005,000	2,486,272
34	Jun 7, 2024 13:51	4,108	55,541,572	32,089,000	2,005,000	2,408,448
35	Jun 7, 2024 13:51	4,109	59,478,838	32,102,000	2,006,000	2,273,280
36	Jun 7, 2024 13:52	4,110	59,840,836	31,107,000	3,010,000	2,498,560
37	Jun 7, 2024 13:51	4,111	59,513,921	31,112,000	3,010,000	2,273,280
38	Jun 7, 2024 13:51	4,115	57,199,507	31,142,000	3,013,000	2,494,464
39	Jun 7, 2024 13:52	4,115	56,395,004	31,138,000	3,013,000	2,273,280
40	Jun 7, 2024 13:51	4,115	60,710,779	32,145,000	2,009,000	2,412,544
41	Jun 7, 2024 13:51	4,117	57,494,665	31,157,000	3,015,000	2,486,272
42	Jun 7, 2024 13:51	4,117	59,544,657	32,163,000	2,010,000	2,273,280
43	Jun 7, 2024 13:51	4,118	59,625,878	32,172,000	2,010,000	2,273,280
44	Jun 7, 2024 13:51	4,129	55,221,641	32,258,000	2,016,000	2,387,968
45	Jun 7, 2024 13:51	4,130	59,510,831	32,259,000	2,016,000	2,273,280
46	Jun 7, 2024 13:51	4,131	63,541,298	31,262,000	3,025,000	2,273,280
47	Jun 7, 2024 13:52	4,132	63,309,096	32,281,000	2,017,000	2,494,464
48	Jun 7, 2024 13:52	4,144	59,550,513	31,358,000	3,034,000	2,486,272
49	Jun 7, 2024 13:51	4,240	104,916,715	35,190,100	0	2,240,512
50	Jun 7, 2024 13:51	4,247	94,148,067	35,252,421	0	2,236,416
51	Jun 7, 2024 13:51	4,253	105,921,882	35,301,753	0	2,240,512
52	Jun 7, 2024 13:51	4,269	104,318,048	35,434,619	0	2,236,416
53	Jun 7, 2024 13:52	4,279	116,509,815	35,516,240	0	2,375,680
54	Jun 7, 2024 13:52	4,282	100,542,117	35,544,335	0	2,236,416
55	Jun 7, 2024 13:51	4,293	114,630,871	35,630,310	0	2,240,512
56	Jun 7, 2024 13:51	4,294	97,065,743	35,643,191	0	2,240,512
57	Jun 7, 2024 13:51	4,296	92,966,528	35,659,425	0	2,224,128
58	Jun 7, 2024 13:51	4,308	119,422,332	35,752,635	0	2,240,512
59	Jun 7, 2024 13:51	4,406	104,858,639	36,572,694	0	2,240,512
60	Jun 7, 2024 13:52	4,503	125,238,785	37,374,644	0	2,240,512

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