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 listJul 15, 2022 00:13

Robert Burke

Score: 8,269

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 15, 2022 00:13	8,248	89,419,091	67,454,000	1,006,000	2,510,848
2	Jul 15, 2022 00:21	8,250	93,687,487	68,476,000	0	2,527,232
3	Jul 15, 2022 00:14	8,250	91,777,529	68,476,000	0	2,531,328
4	Jul 15, 2022 00:14	8,252	88,256,175	68,491,000	0	2,428,928
5	Jul 15, 2022 00:14	8,255	92,136,692	68,513,000	0	2,269,184
6	Jul 15, 2022 00:14	8,256	92,357,979	68,522,000	0	2,424,832
7	Jul 15, 2022 00:13	8,257	97,599,227	67,526,000	1,007,000	2,531,328
8	Jul 15, 2022 00:21	8,257	90,686,306	68,535,000	0	2,531,328
9	Jul 15, 2022 00:13	8,257	96,398,122	68,537,000	0	2,531,328
10	Jul 15, 2022 00:21	8,259	90,637,553	68,551,000	0	2,531,328
11	Jul 15, 2022 00:13	8,260	99,513,008	67,549,000	1,008,000	2,420,736
12	Jul 15, 2022 00:13	8,262	93,197,874	68,574,000	0	2,424,832
13	Jul 15, 2022 00:14	8,262	89,493,593	67,569,000	1,008,000	2,424,832
14	Jul 15, 2022 00:21	8,263	91,375,567	67,572,000	1,008,000	2,424,832
15	Jul 15, 2022 00:13	8,264	93,390,970	68,595,000	0	2,428,928
16	Jul 15, 2022 00:14	8,265	96,003,953	68,601,000	0	2,531,328
17	Jul 15, 2022 00:21	8,267	92,397,876	68,615,000	0	2,269,184
18	Jul 15, 2022 00:14	8,267	93,780,484	67,606,000	1,009,000	2,428,928
19	Jul 15, 2022 00:14	8,268	98,746,722	68,626,000	0	2,527,232
20	Jul 15, 2022 00:14	8,269	92,666,920	68,631,000	0	2,531,328
21	Jul 15, 2022 00:13	8,269	93,547,595	68,636,000	0	2,527,232
22	Jul 15, 2022 00:13	8,269	96,097,602	68,634,000	0	2,269,184
23	Jul 15, 2022 00:13	8,269	93,216,567	67,627,000	1,009,000	2,531,328
24	Jul 15, 2022 00:14	8,271	90,056,834	68,651,000	0	2,506,752
25	Jul 15, 2022 00:14	8,272	99,019,008	67,645,000	1,009,000	2,531,328
26	Jul 15, 2022 00:21	8,272	94,565,567	68,655,000	0	2,531,328
27	Jul 15, 2022 00:21	8,272	93,462,094	67,648,000	1,009,000	2,416,640
28	Jul 15, 2022 00:13	8,288	93,772,189	67,795,000	996,000	2,269,184
29	Jul 15, 2022 00:14	8,289	96,993,234	66,808,000	1,994,000	2,527,232
30	Jul 15, 2022 00:13	8,290	93,640,602	68,804,000	0	2,506,752
31	Jul 15, 2022 00:21	8,297	91,343,613	67,865,000	998,000	2,269,184
32	Jul 15, 2022 00:21	8,298	93,851,954	67,876,000	998,000	2,420,736
33	Jul 15, 2022 00:21	8,301	91,935,994	66,899,000	1,996,000	2,531,328
34	Jul 15, 2022 00:21	8,308	90,516,915	67,960,000	999,000	2,424,832
35	Jul 15, 2022 00:21	8,308	89,977,189	67,954,000	999,000	2,531,328
36	Jul 15, 2022 00:13	8,370	93,261,434	69,470,000	0	2,428,928
37	Jul 15, 2022 00:21	8,801	129,844,927	73,051,726	0	2,174,976
38	Jul 15, 2022 00:13	8,803	185,315,399	73,067,605	0	2,170,880
39	Jul 15, 2022 00:14	8,808	135,582,241	73,104,242	0	2,297,856
40	Jul 15, 2022 00:13	8,811	142,512,831	73,128,641	0	2,174,976
41	Jul 15, 2022 00:14	8,812	129,160,143	73,138,174	0	2,297,856
42	Jul 15, 2022 00:21	8,814	129,021,386	73,160,195	0	2,170,880
43	Jul 15, 2022 00:13	8,818	123,527,726	73,190,039	0	2,289,664
44	Jul 15, 2022 00:21	8,819	132,123,222	73,195,109	0	2,289,664
45	Jul 15, 2022 00:14	8,824	136,210,052	73,238,092	0	2,170,880

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