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 15:14

Bernard Teo

Score: 7,251

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 15:13	7,234	83,708,881	58,044,000	2,001,000	2,273,280
2	Sep 7, 2022 15:11	7,237	88,118,583	58,066,000	2,002,000	2,404,352
3	Sep 7, 2022 15:13	7,237	84,583,510	60,065,000	0	2,400,256
4	Sep 7, 2022 15:11	7,240	82,891,354	59,093,000	1,001,000	2,265,088
5	Sep 7, 2022 15:11	7,240	81,234,555	58,092,000	2,003,000	2,404,352
6	Sep 7, 2022 15:13	7,241	84,776,587	58,095,000	2,003,000	2,396,160
7	Sep 7, 2022 15:11	7,242	82,132,968	58,102,000	2,003,000	2,400,256
8	Sep 7, 2022 15:14	7,244	85,213,982	58,119,000	2,004,000	2,273,280
9	Sep 7, 2022 15:14	7,244	86,540,351	59,125,000	1,002,000	2,273,280
10	Sep 7, 2022 15:14	7,245	87,657,787	59,134,000	1,002,000	2,408,448
11	Sep 7, 2022 15:13	7,245	82,593,712	58,130,000	2,004,000	2,273,280
12	Sep 7, 2022 15:14	7,246	86,399,096	58,134,000	2,004,000	2,396,160
13	Sep 7, 2022 15:14	7,246	80,542,936	58,137,000	2,004,000	2,400,256
14	Sep 7, 2022 15:11	7,246	81,314,051	59,139,000	1,002,000	2,408,448
15	Sep 7, 2022 15:13	7,248	81,561,065	58,153,000	2,005,000	2,400,256
16	Sep 7, 2022 15:13	7,248	84,901,777	58,153,000	2,005,000	2,408,448
17	Sep 7, 2022 15:13	7,248	81,718,998	58,153,000	2,005,000	2,273,280
18	Sep 7, 2022 15:14	7,248	82,507,232	59,159,000	1,002,000	2,400,256
19	Sep 7, 2022 15:11	7,249	86,761,952	58,162,000	2,005,000	2,273,280
20	Sep 7, 2022 15:11	7,250	86,001,307	58,172,000	2,005,000	2,404,352
21	Sep 7, 2022 15:14	7,251	89,041,474	58,180,000	2,006,000	2,273,280
22	Sep 7, 2022 15:14	7,251	82,915,097	59,184,000	1,003,000	2,404,352
23	Sep 7, 2022 15:13	7,251	86,585,792	58,175,000	2,006,000	2,273,280
24	Sep 7, 2022 15:13	7,251	81,783,261	59,178,000	1,003,000	2,273,280
25	Sep 7, 2022 15:11	7,251	85,180,103	59,181,000	1,003,000	2,273,280
26	Sep 7, 2022 15:13	7,252	87,272,301	58,184,000	2,006,000	2,273,280
27	Sep 7, 2022 15:11	7,253	80,185,300	59,196,000	1,003,000	2,506,752
28	Sep 7, 2022 15:14	7,254	86,924,852	58,202,000	2,006,000	2,396,160
29	Sep 7, 2022 15:11	7,254	89,805,762	59,205,000	1,003,000	2,273,280
30	Sep 7, 2022 15:11	7,254	84,186,076	59,207,000	1,003,000	2,273,280
31	Sep 7, 2022 15:14	7,256	80,133,795	59,221,000	1,003,000	2,273,280
32	Sep 7, 2022 15:14	7,256	84,165,519	60,221,000	0	2,514,944
33	Sep 7, 2022 15:13	7,257	87,152,389	59,229,000	1,003,000	2,273,280
34	Sep 7, 2022 15:13	7,259	84,785,253	59,244,000	1,004,000	2,273,280
35	Sep 7, 2022 15:14	7,260	82,860,333	60,255,000	0	2,392,064
36	Sep 7, 2022 15:11	7,263	85,676,893	59,277,000	1,004,000	2,400,256
37	Sep 7, 2022 15:11	7,300	135,426,557	60,593,329	0	2,273,280
38	Sep 7, 2022 15:13	7,324	122,752,464	60,791,066	0	2,281,472
39	Sep 7, 2022 15:11	7,329	130,013,363	60,834,177	0	2,273,280
40	Sep 7, 2022 15:14	7,332	131,174,683	60,855,245	0	2,289,664
41	Sep 7, 2022 15:14	7,333	124,988,520	60,860,279	0	2,285,568
42	Sep 7, 2022 15:14	7,338	123,177,976	60,909,177	0	2,285,568
43	Sep 7, 2022 15:13	7,347	123,965,249	60,978,188	0	2,277,376
44	Sep 7, 2022 15:13	7,350	124,810,145	61,002,263	0	2,273,280
45	Sep 7, 2022 15:11	7,355	141,049,374	61,048,586	0	2,281,472

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