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.

Back to listApr 18, 2024 14:05

Matt Stuchlik

Score: 10,789

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Apr 18, 2024 14:05	9,962	144,341,472	82,683,933	0	2,232,320
2	Apr 18, 2024 14:05	10,035	147,627,751	83,290,143	0	2,224,128
3	Apr 18, 2024 20:10	10,269	154,488,832	85,229,288	0	2,228,224
4	Apr 18, 2024 20:10	10,271	151,811,034	85,248,527	0	2,224,128
5	Apr 18, 2024 14:10	10,286	147,326,420	85,376,998	0	2,224,128
6	Apr 18, 2024 14:25	10,323	150,380,730	85,677,997	0	2,224,128
7	Apr 18, 2024 20:10	10,323	156,872,921	85,678,195	0	2,228,224
8	Apr 18, 2024 14:10	10,327	157,876,336	85,712,660	0	2,232,320
9	Apr 18, 2024 14:05	10,329	141,863,134	85,728,277	0	2,236,416
10	Apr 18, 2024 14:25	10,331	146,752,272	85,749,203	0	2,228,224
11	Apr 18, 2024 14:10	10,333	151,070,907	85,766,322	0	2,215,936
12	Apr 18, 2024 14:25	10,343	151,904,985	85,846,105	0	2,228,224
13	Apr 18, 2024 14:10	10,349	109,531,359	82,898,000	2,996,000	2,285,568
14	Apr 18, 2024 14:10	10,425	111,575,979	82,505,000	4,024,000	2,338,816
15	Apr 18, 2024 14:05	10,734	116,255,659	87,092,000	2,002,000	2,285,568
16	Apr 18, 2024 20:10	10,741	117,057,658	88,150,000	1,001,000	2,486,272
17	Apr 18, 2024 14:10	10,770	109,609,612	86,381,000	3,013,000	2,281,472
18	Apr 18, 2024 14:10	10,772	115,999,836	86,396,000	3,013,000	2,285,568
19	Apr 18, 2024 14:05	10,775	116,215,405	86,419,000	3,014,000	2,285,568
20	Apr 18, 2024 20:10	10,789	118,188,067	87,540,000	2,012,000	2,285,568
21	Apr 18, 2024 14:10	10,797	113,888,081	87,606,000	2,013,000	2,285,568
22	Apr 18, 2024 14:05	10,817	116,046,345	87,786,000	1,995,000	2,285,568
23	Apr 18, 2024 14:10	10,820	120,432,742	85,819,000	3,991,000	2,494,464
24	Apr 18, 2024 14:05	10,821	115,642,465	86,825,000	2,993,000	2,482,176
25	Apr 18, 2024 14:10	10,823	122,452,400	87,838,000	1,996,000	2,285,568
26	Apr 18, 2024 20:10	10,826	115,644,657	86,864,000	2,995,000	2,285,568
27	Apr 18, 2024 14:05	10,827	113,260,141	87,865,000	1,996,000	2,490,368
28	Apr 18, 2024 20:10	10,832	116,594,309	87,908,000	1,997,000	2,285,568
29	Apr 18, 2024 14:05	10,849	118,533,893	88,047,000	2,001,000	2,490,368
30	Apr 18, 2024 14:05	10,859	117,954,587	88,127,000	2,002,000	2,482,176
31	Apr 18, 2024 20:10	10,861	112,899,025	87,142,000	3,004,000	2,473,984
32	Apr 18, 2024 14:10	10,862	114,745,890	88,154,000	2,003,000	2,486,272
33	Apr 18, 2024 20:10	10,865	117,000,558	87,173,000	3,005,000	2,285,568
34	Apr 18, 2024 14:10	10,866	111,827,060	89,189,000	1,002,000	2,490,368
35	Apr 18, 2024 20:10	10,874	115,214,868	87,243,000	3,008,000	2,285,568
36	Apr 18, 2024 20:10	10,923	120,980,793	87,675,000	2,988,000	2,486,272
37	Apr 18, 2024 14:05	10,950	118,414,225	88,885,000	1,997,000	2,285,568
38	Apr 18, 2024 14:05	10,958	117,142,564	83,958,000	6,996,000	2,285,568
39	Apr 18, 2024 20:10	10,988	115,599,248	88,195,000	3,006,000	2,490,368

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