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 4, 2024 13:30	5,072	66,130,840	41,094,000	1,002,000	2,273,280
2	Jun 4, 2024 13:30	5,073	66,213,655	40,100,000	2,005,000	2,404,352
3	Jun 4, 2024 13:31	5,074	65,502,904	40,110,000	2,005,000	2,396,160
4	Jun 4, 2024 13:31	5,075	66,714,058	41,117,000	1,002,000	2,392,064
5	Jun 4, 2024 13:30	5,082	64,634,680	41,176,000	1,004,000	2,400,256
6	Jun 4, 2024 13:30	5,083	63,564,195	40,182,000	2,009,000	2,400,256
7	Jun 4, 2024 13:31	5,083	65,295,810	40,184,000	2,009,000	2,273,280
8	Jun 4, 2024 13:30	5,085	64,442,659	40,199,000	2,009,000	2,273,280
9	Jun 4, 2024 13:31	5,086	63,466,480	40,200,000	2,010,000	2,273,280
10	Jun 4, 2024 13:31	5,089	62,294,677	40,224,000	2,011,000	2,400,256
11	Jun 4, 2024 13:31	5,091	65,561,100	41,246,000	1,006,000	2,273,280
12	Jun 4, 2024 13:31	5,092	72,324,080	42,267,000	0	2,273,280
13	Jun 4, 2024 13:31	5,095	67,076,116	41,286,000	1,006,000	2,273,280
14	Jun 4, 2024 13:30	5,096	73,654,363	40,283,000	2,014,000	2,273,280
15	Jun 4, 2024 13:30	5,096	70,678,720	41,290,000	1,007,000	2,396,160
16	Jun 4, 2024 13:31	5,097	74,576,985	41,296,000	1,007,000	2,273,280
17	Jun 4, 2024 13:31	5,101	69,098,015	41,334,000	1,008,000	2,273,280
18	Jun 4, 2024 13:30	5,104	66,157,599	41,356,000	1,008,000	2,400,256
19	Jun 4, 2024 13:31	5,104	68,592,134	42,363,000	0	2,396,160
20	Jun 4, 2024 13:31	5,105	63,697,270	42,368,000	0	2,273,280
21	Jun 4, 2024 13:31	5,106	65,862,555	41,373,000	1,009,000	2,273,280
22	Jun 4, 2024 13:31	5,113	66,304,939	41,428,000	1,010,000	2,273,280
23	Jun 4, 2024 13:31	5,113	63,380,372	42,438,000	0	2,404,352
24	Jun 4, 2024 13:31	5,123	66,416,555	41,506,000	1,012,000	2,273,280
25	Jun 4, 2024 13:30	5,125	66,219,706	41,529,000	1,012,000	2,273,280
26	Jun 4, 2024 13:31	5,128	66,561,501	41,546,000	1,013,000	2,392,064
27	Jun 4, 2024 13:31	5,129	73,100,214	42,571,000	0	2,273,280
28	Jun 4, 2024 13:31	5,219	118,054,711	43,318,302	0	2,289,664
29	Jun 4, 2024 13:31	5,229	111,401,155	43,401,528	0	2,289,664
30	Jun 4, 2024 13:31	5,239	106,790,484	43,485,360	0	2,285,568
31	Jun 4, 2024 13:31	5,239	110,929,703	43,480,912	0	2,289,664
32	Jun 4, 2024 13:30	5,240	110,373,223	43,488,415	0	2,289,664
33	Jun 4, 2024 13:31	5,240	106,515,791	43,489,079	0	2,293,760
34	Jun 4, 2024 13:31	5,240	118,970,169	43,490,282	0	2,285,568
35	Jun 4, 2024 13:31	5,242	130,365,535	43,510,048	0	2,293,760
36	Jun 4, 2024 13:31	5,246	107,570,179	43,537,693	0	2,281,472
37	Jun 4, 2024 13:30	5,256	108,008,545	43,626,529	0	2,281,472
38	Jun 4, 2024 13:31	5,274	104,245,719	43,773,280	0	2,293,760
39	Jun 4, 2024 13:30	5,322	105,197,639	44,176,477	0	2,281,472
40	Jun 4, 2024 13:31	6,051	83,015,953	48,216,000	2,009,000	2,273,280
41	Jun 4, 2024 13:30	6,059	76,520,906	50,291,000	0	2,396,160
42	Jun 4, 2024 13:31	6,069	71,714,393	49,367,000	1,007,000	2,273,280
43	Jun 4, 2024 13:31	6,073	70,384,171	49,395,000	1,008,000	2,396,160
44	Jun 4, 2024 13:30	6,092	76,530,362	49,553,000	1,011,000	2,392,064
45	Jun 4, 2024 13:31	6,129	72,199,594	48,874,000	1,994,000	2,273,280
46	Jun 4, 2024 13:30	6,131	75,033,375	49,892,000	997,000	2,273,280
47	Jun 4, 2024 13:31	6,133	77,585,029	49,909,000	998,000	2,273,280
48	Jun 4, 2024 13:31	6,141	72,103,827	49,974,000	999,000	2,519,040

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