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 12:20	4,342	66,806,419	34,034,000	2,002,000	385,024
2	Jun 7, 2024 12:20	4,344	58,460,177	34,056,000	2,003,000	172,032
3	Jun 7, 2024 12:20	4,368	59,009,365	33,234,000	3,021,000	176,128
4	Jun 7, 2024 12:20	4,371	63,698,065	33,257,000	3,023,000	2,273,280
5	Jun 7, 2024 12:20	4,389	58,365,634	35,419,000	1,011,000	2,273,280
6	Jun 7, 2024 12:20	4,397	59,777,073	34,468,000	2,027,000	380,928
7	Jun 7, 2024 12:20	4,406	57,712,546	34,535,000	2,031,000	2,273,280
8	Jun 7, 2024 12:20	4,413	62,432,435	35,614,000	1,017,000	2,486,272
9	Jun 7, 2024 12:20	4,414	61,964,650	35,617,000	1,017,000	2,342,912
10	Jun 7, 2024 12:20	4,415	66,902,698	35,627,000	1,017,000	2,482,176
11	Jun 7, 2024 12:20	4,420	61,757,555	35,666,000	1,019,000	2,490,368
12	Jun 7, 2024 12:20	4,434	62,412,395	34,815,000	1,989,000	176,128
13	Jun 7, 2024 12:20	4,437	64,041,289	36,830,000	0	2,494,464
14	Jun 7, 2024 12:20	4,438	60,017,959	34,848,000	1,991,000	2,273,280
15	Jun 7, 2024 12:20	4,439	67,762,673	36,842,000	0	2,494,464
16	Jun 7, 2024 12:20	4,439	62,740,405	33,855,000	2,987,000	2,256,896
17	Jun 7, 2024 12:20	4,442	63,817,133	34,820,000	2,048,000	2,273,280
18	Jun 7, 2024 12:20	4,444	60,368,446	35,888,000	996,000	2,314,240
19	Jun 7, 2024 12:20	4,447	64,130,728	33,921,000	2,993,000	2,273,280
20	Jun 7, 2024 12:20	4,448	62,989,915	33,929,000	2,993,000	2,482,176
21	Jun 7, 2024 12:20	4,451	61,171,916	34,946,000	1,996,000	2,273,280
22	Jun 7, 2024 12:20	4,457	64,882,925	34,994,000	1,999,000	2,486,272
23	Jun 7, 2024 12:20	4,461	60,898,494	35,022,000	2,001,000	2,494,464
24	Jun 7, 2024 12:20	4,467	59,472,692	34,071,000	3,006,000	2,486,272
25	Jun 7, 2024 12:20	4,467	62,894,962	35,069,000	2,003,000	172,032
26	Jun 7, 2024 12:20	4,473	59,861,984	34,113,000	3,010,000	2,486,272
27	Jun 7, 2024 12:20	4,475	58,818,360	34,135,000	3,011,000	2,482,176
28	Jun 7, 2024 12:20	4,477	58,997,023	34,146,000	3,012,000	2,486,272
29	Jun 7, 2024 12:20	4,481	61,796,426	34,178,000	3,015,000	2,273,280
30	Jun 7, 2024 12:20	4,485	65,926,617	35,217,000	2,012,000	176,128
31	Jun 7, 2024 12:20	4,488	59,138,781	35,239,000	2,013,000	2,486,272
32	Jun 7, 2024 12:20	4,488	61,081,364	35,237,000	2,013,000	2,347,008
33	Jun 7, 2024 12:20	4,494	59,945,763	35,283,000	2,016,000	2,301,952
34	Jun 7, 2024 12:20	4,495	60,772,632	34,283,000	3,024,000	2,490,368
35	Jun 7, 2024 12:20	4,496	60,145,977	33,285,000	4,034,000	356,352
36	Jun 7, 2024 12:20	4,498	58,386,660	34,308,000	3,027,000	2,273,280
37	Jun 7, 2024 12:20	4,507	68,813,791	35,385,000	2,022,000	2,342,912
38	Jun 7, 2024 12:20	4,509	59,944,029	36,410,000	1,011,000	376,832
39	Jun 7, 2024 12:20	4,518	59,225,445	36,485,000	1,013,000	2,478,080
40	Jun 7, 2024 12:20	4,519	56,385,054	36,492,000	1,013,000	2,486,272
41	Jun 7, 2024 12:20	4,521	58,623,111	36,514,000	1,014,000	2,482,176
42	Jun 7, 2024 12:20	4,523	59,581,902	35,516,000	2,029,000	2,273,280
43	Jun 7, 2024 12:20	4,556	64,371,083	34,833,000	2,985,000	2,482,176
44	Jun 7, 2024 12:20	4,559	63,963,876	35,852,000	1,991,000	2,273,280
45	Jun 7, 2024 12:20	4,559	68,792,343	35,846,000	1,991,000	2,363,392
46	Jun 7, 2024 12:20	4,560	65,613,298	34,859,000	2,987,000	2,273,280
47	Jun 7, 2024 12:20	4,587	59,671,090	36,072,000	2,004,000	2,469,888
48	Jun 7, 2024 12:20	4,588	60,757,433	36,078,000	2,004,000	2,482,176
49	Jun 7, 2024 12:20	4,606	114,806,635	38,228,915	0	2,236,416
50	Jun 7, 2024 12:20	4,635	102,137,204	38,469,757	0	2,236,416
51	Jun 7, 2024 12:20	4,653	107,687,803	38,619,170	0	2,240,512
52	Jun 7, 2024 12:20	4,664	101,375,469	38,711,278	0	2,240,512
53	Jun 7, 2024 12:20	4,669	104,852,619	38,752,123	0	2,244,608
54	Jun 7, 2024 12:20	4,672	93,150,512	38,773,490	0	2,240,512
55	Jun 7, 2024 12:20	4,675	111,739,469	38,806,622	0	2,244,608
56	Jun 7, 2024 12:20	4,690	111,275,275	38,928,062	0	2,248,704
57	Jun 7, 2024 12:20	4,720	123,993,549	39,177,339	0	2,232,320
58	Jun 7, 2024 12:20	4,780	106,224,995	39,671,203	0	2,248,704
59	Jun 7, 2024 12:20	4,859	105,588,372	40,326,359	0	2,248,704
60	Jun 7, 2024 12:20	5,064	128,830,864	42,033,238	0	2,236,416

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