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 31, 2024 16:00	0	0	0	0	0	Error: expected "53682429059414383 ", got "53682428803414383 "
2	May 31, 2024 16:00	5,196	63,580,758	41,122,000	2,005,000	2,396,160
3	May 31, 2024 15:59	5,203	69,558,547	41,175,000	2,008,000	2,273,280
4	May 31, 2024 15:59	5,207	65,114,285	42,214,000	1,005,000	2,273,280
5	May 31, 2024 16:00	5,210	65,568,583	42,242,000	1,005,000	2,273,280
6	May 31, 2024 15:59	5,210	69,962,436	41,231,000	2,011,000	2,273,280
7	May 31, 2024 15:59	5,214	64,629,019	41,267,000	2,013,000	2,273,280
8	May 31, 2024 16:00	5,216	68,764,497	43,295,000	0	2,273,280
9	May 31, 2024 15:59	5,216	64,180,226	42,285,000	1,006,000	2,273,280
10	May 31, 2024 16:00	5,217	64,566,696	43,300,000	0	2,408,448
11	May 31, 2024 16:00	5,218	69,769,128	42,303,000	1,007,000	2,404,352
12	May 31, 2024 16:00	5,220	69,864,451	43,323,000	0	2,273,280
13	May 31, 2024 16:00	5,223	65,177,871	42,339,000	1,008,000	2,404,352
14	May 31, 2024 16:00	5,225	72,105,926	42,361,000	1,008,000	2,273,280
15	May 31, 2024 15:59	5,226	69,582,249	43,375,000	0	2,273,280
16	May 31, 2024 16:00	5,226	68,164,527	42,371,000	1,008,000	2,400,256
17	May 31, 2024 16:00	5,228	64,050,187	42,380,000	1,009,000	2,273,280
18	May 31, 2024 15:59	5,229	67,628,899	42,388,000	1,009,000	2,273,280
19	May 31, 2024 15:59	5,233	67,067,912	42,422,000	1,010,000	2,273,280
20	May 31, 2024 15:59	5,237	71,898,409	43,464,000	0	2,396,160
21	May 31, 2024 16:00	5,238	70,080,180	42,467,000	1,011,000	2,400,256
22	May 31, 2024 16:00	5,238	69,127,470	42,467,000	1,011,000	2,404,352
23	May 31, 2024 16:00	5,238	64,830,846	43,479,000	0	2,408,448
24	May 31, 2024 16:00	5,239	65,262,313	42,496,000	988,000	2,396,160
25	May 31, 2024 15:59	5,241	69,835,193	43,499,000	0	2,510,848
26	May 31, 2024 16:00	5,244	65,879,971	42,511,000	1,012,000	2,396,160
27	May 31, 2024 16:00	5,248	70,409,851	42,547,000	1,013,000	2,392,064
28	May 31, 2024 16:00	5,249	65,835,765	42,555,000	1,013,000	2,404,352
29	May 31, 2024 15:59	5,253	71,012,867	43,602,000	0	2,400,256
30	May 31, 2024 15:59	5,259	72,989,808	43,650,000	0	2,404,352
31	May 31, 2024 16:00	5,278	69,645,746	41,818,000	1,991,000	2,396,160
32	May 31, 2024 16:00	5,284	72,119,966	42,858,000	996,000	2,273,280
33	May 31, 2024 16:00	5,369	79,592,054	44,561,000	0	2,273,280
34	May 31, 2024 16:00	5,401	73,852,374	44,830,000	0	2,400,256
35	May 31, 2024 16:00	5,415	114,244,534	44,947,053	0	2,285,568
36	May 31, 2024 16:00	5,424	106,674,129	45,023,280	0	2,285,568
37	May 31, 2024 15:59	5,428	107,804,757	45,048,404	0	2,277,376
38	May 31, 2024 16:00	5,429	113,236,567	45,061,178	0	2,285,568
39	May 31, 2024 16:00	5,431	110,479,956	45,073,369	0	2,277,376
40	May 31, 2024 16:00	5,436	116,064,129	45,120,516	0	2,285,568
41	May 31, 2024 15:59	5,437	107,464,064	45,123,955	0	2,289,664
42	May 31, 2024 15:59	5,437	113,435,430	45,123,272	0	2,277,376
43	May 31, 2024 16:00	5,438	118,596,102	45,137,727	0	2,281,472
44	May 31, 2024 15:59	5,439	107,661,492	45,140,666	0	2,252,800
45	May 31, 2024 16:00	5,448	117,959,484	45,220,670	0	2,281,472
46	May 31, 2024 16:00	5,454	118,597,523	45,268,306	0	2,289,664
47	May 31, 2024 16:00	5,454	115,339,523	45,266,550	0	2,281,472
48	May 31, 2024 15:59	5,582	102,689,395	46,333,944	0	2,285,568
49	May 31, 2024 15:59	5,678	109,052,493	47,124,703	0	2,285,568

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