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 listSep 7, 2022 15:17

Bernard Teo

Score: 7,231

Success

Source Code

Source code access is restricted. Log in to request access.

Challenge History

No challenges yet.

Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Sep 7, 2022 15:17	7,181	135,211,212	59,605,300	0	2,285,568
2	Sep 7, 2022 15:16	7,182	129,162,936	59,608,150	0	2,277,376
3	Sep 7, 2022 15:17	7,185	130,644,508	59,634,822	0	2,273,280
4	Sep 7, 2022 15:17	7,185	125,583,728	59,636,579	0	2,277,376
5	Sep 7, 2022 15:16	7,188	122,484,713	59,660,066	0	2,277,376
6	Sep 7, 2022 15:17	7,189	124,035,190	59,666,299	0	2,277,376
7	Sep 7, 2022 15:17	7,192	126,857,097	59,692,721	0	2,281,472
8	Sep 7, 2022 15:16	7,200	138,107,756	59,756,812	0	2,289,664
9	Sep 7, 2022 15:17	7,202	131,961,192	59,777,084	0	2,289,664
10	Sep 7, 2022 15:17	7,220	81,260,639	57,925,000	1,997,000	2,396,160
11	Sep 7, 2022 15:17	7,224	81,702,192	57,958,000	1,998,000	2,273,280
12	Sep 7, 2022 15:16	7,225	82,647,914	58,968,000	999,000	2,273,280
13	Sep 7, 2022 15:16	7,225	82,745,232	58,968,000	999,000	2,273,280
14	Sep 7, 2022 15:17	7,226	80,993,322	58,975,000	999,000	2,273,280
15	Sep 7, 2022 15:16	7,226	85,399,556	57,974,000	1,999,000	2,396,160
16	Sep 7, 2022 15:17	7,227	85,248,540	57,984,000	1,999,000	2,404,352
17	Sep 7, 2022 15:16	7,227	88,137,304	58,987,000	999,000	2,396,160
18	Sep 7, 2022 15:17	7,228	82,738,253	57,993,000	1,999,000	2,273,280
19	Sep 7, 2022 15:16	7,229	86,358,932	59,004,000	1,000,000	2,404,352
20	Sep 7, 2022 15:16	7,230	86,378,081	58,005,000	2,000,000	2,412,544
21	Sep 7, 2022 15:16	7,231	82,946,922	59,014,000	1,000,000	2,400,256
22	Sep 7, 2022 15:17	7,231	85,506,720	59,017,000	1,000,000	2,273,280
23	Sep 7, 2022 15:17	7,231	87,235,036	58,019,000	2,000,000	2,273,280
24	Sep 7, 2022 15:17	7,233	84,116,199	59,036,000	1,000,000	2,400,256
25	Sep 7, 2022 15:17	7,233	83,033,575	58,037,000	2,001,000	2,273,280
26	Sep 7, 2022 15:16	7,234	87,574,250	58,045,000	2,001,000	2,404,352
27	Sep 7, 2022 15:16	7,234	88,580,001	59,044,000	1,000,000	2,404,352
28	Sep 7, 2022 15:17	7,234	83,885,725	58,039,000	2,001,000	2,273,280
29	Sep 7, 2022 15:17	7,235	80,670,712	58,050,000	2,001,000	2,396,160
30	Sep 7, 2022 15:16	7,236	84,814,581	59,055,000	1,000,000	2,396,160
31	Sep 7, 2022 15:17	7,237	82,920,536	58,069,000	2,002,000	2,404,352
32	Sep 7, 2022 15:17	7,237	79,877,188	58,069,000	2,002,000	2,273,280
33	Sep 7, 2022 15:17	7,237	82,465,647	58,065,000	2,002,000	2,404,352
34	Sep 7, 2022 15:17	7,237	84,437,001	59,067,000	1,001,000	2,396,160
35	Sep 7, 2022 15:16	7,237	81,408,768	58,067,000	2,002,000	2,392,064
36	Sep 7, 2022 15:17	7,238	81,051,367	58,077,000	2,002,000	2,519,040
37	Sep 7, 2022 15:17	7,240	81,738,036	59,090,000	1,001,000	2,273,280
38	Sep 7, 2022 15:17	7,240	87,035,640	59,093,000	1,001,000	2,273,280
39	Sep 7, 2022 15:17	7,240	82,679,283	58,088,000	2,003,000	2,273,280
40	Sep 7, 2022 15:17	7,241	80,482,443	58,094,000	2,003,000	2,273,280
41	Sep 7, 2022 15:17	7,243	82,115,618	59,112,000	1,001,000	2,404,352
42	Sep 7, 2022 15:17	7,243	84,241,731	59,113,000	1,001,000	2,273,280
43	Sep 7, 2022 15:17	7,244	82,299,337	59,127,000	1,002,000	2,510,848
44	Sep 7, 2022 15:16	7,245	87,313,558	59,129,000	1,002,000	2,404,352
45	Sep 7, 2022 15:17	7,276	87,680,205	59,381,000	1,006,000	2,519,040

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