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	Error
1	May 27, 2024 13:59	0	0	0	0	0	Error: expected "53689287616529497 ", got "53689287616463961 "
2	May 27, 2024 13:59	5,934	75,517,010	47,246,000	2,010,000	2,383,872
3	May 27, 2024 13:59	5,942	73,793,334	48,311,000	1,006,000	2,383,872
4	May 27, 2024 14:00	5,944	75,629,638	49,336,000	0	2,383,872
5	May 27, 2024 13:59	5,946	74,135,748	48,341,000	1,007,000	2,523,136
6	May 27, 2024 13:59	5,947	72,146,215	48,353,000	1,007,000	2,256,896
7	May 27, 2024 13:59	5,950	72,539,509	48,380,000	1,007,000	2,256,896
8	May 27, 2024 13:59	5,951	69,297,661	49,391,000	0	2,260,992
9	May 27, 2024 13:59	5,953	70,294,742	48,400,000	1,008,000	2,383,872
10	May 27, 2024 14:00	5,953	70,797,775	48,404,000	1,008,000	2,375,680
11	May 27, 2024 13:59	5,955	78,918,018	49,427,000	0	2,260,992
12	May 27, 2024 14:00	5,955	82,424,543	48,417,000	1,008,000	2,383,872
13	May 27, 2024 13:59	5,959	76,049,083	48,448,000	1,009,000	2,387,968
14	May 27, 2024 13:59	5,959	77,014,897	48,448,000	1,009,000	2,523,136
15	May 27, 2024 13:59	5,959	75,117,135	48,452,000	1,009,000	2,260,992
16	May 27, 2024 13:59	5,961	71,435,304	49,475,000	0	2,260,992
17	May 27, 2024 13:59	5,961	70,928,355	48,471,000	1,009,000	2,260,992
18	May 27, 2024 14:00	5,963	73,874,376	49,494,000	0	2,260,992
19	May 27, 2024 14:00	5,963	75,562,075	49,492,000	0	2,260,992
20	May 27, 2024 14:00	5,967	70,868,555	49,526,000	0	2,260,992
21	May 27, 2024 13:59	5,969	69,780,204	48,535,000	1,011,000	2,383,872
22	May 27, 2024 13:59	5,976	81,328,537	49,604,000	0	2,387,968
23	May 27, 2024 13:59	5,977	80,969,142	48,599,000	1,012,000	2,260,992
24	May 27, 2024 13:59	5,979	80,237,601	48,614,000	1,012,000	2,260,992
25	May 27, 2024 14:00	5,984	74,564,917	47,679,000	1,986,000	2,523,136
26	May 27, 2024 14:00	6,004	76,008,069	48,835,000	996,000	2,260,992
27	May 27, 2024 14:00	6,060	77,024,446	49,293,000	1,005,000	2,523,136
28	May 27, 2024 14:00	6,062	76,903,469	50,313,000	0	2,387,968
29	May 27, 2024 13:59	6,073	77,249,193	50,410,000	0	2,523,136
30	May 27, 2024 14:00	6,075	78,317,573	49,412,000	1,008,000	2,387,968
31	May 27, 2024 13:59	6,077	74,597,816	49,434,000	1,008,000	2,392,064
32	May 27, 2024 13:59	6,077	73,381,153	49,434,000	1,008,000	2,383,872
33	May 27, 2024 13:59	6,084	77,625,306	49,488,000	1,009,000	2,260,992
34	May 27, 2024 14:00	6,104	79,377,291	49,649,000	1,013,000	2,260,992
35	May 27, 2024 13:59	6,117	83,256,702	48,779,000	1,990,000	2,260,992
36	May 27, 2024 13:59	6,124	76,821,748	49,834,000	996,000	2,506,752
37	May 27, 2024 13:59	6,124	80,774,928	49,837,000	996,000	2,260,992
38	May 27, 2024 13:59	6,155	118,621,636	51,088,122	0	2,273,280
39	May 27, 2024 13:59	6,163	127,442,300	51,154,004	0	2,269,184
40	May 27, 2024 13:59	6,165	113,615,154	51,172,544	0	2,277,376
41	May 27, 2024 14:00	6,166	119,042,884	51,174,830	0	2,269,184
42	May 27, 2024 13:59	6,166	121,627,214	51,176,969	0	2,269,184
43	May 27, 2024 14:00	6,167	115,126,380	51,182,527	0	2,281,472
44	May 27, 2024 14:00	6,181	127,202,007	51,305,686	0	2,260,992
45	May 27, 2024 13:59	6,191	125,916,488	51,382,006	0	2,265,088
46	May 27, 2024 13:59	6,210	107,466,787	51,544,545	0	2,273,280

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