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 listJun 7, 2024 16:04

Grace

Score: 3,934

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	Jun 7, 2024 16:04	3,818	63,123,621	30,670,000	1,022,000	2,482,176
2	Jun 7, 2024 16:04	3,832	57,554,335	29,820,000	1,988,000	2,490,368
3	Jun 7, 2024 16:04	3,836	63,999,513	28,852,000	2,984,000	2,273,280
4	Jun 7, 2024 16:04	3,836	57,847,617	29,848,000	1,989,000	2,351,104
5	Jun 7, 2024 16:04	3,838	58,708,988	30,862,000	995,000	2,273,280
6	Jun 7, 2024 16:04	3,841	59,961,592	28,894,000	2,989,000	2,486,272
7	Jun 7, 2024 16:04	3,862	58,442,930	29,048,000	3,005,000	2,273,280
8	Jun 7, 2024 16:04	3,863	57,278,593	29,060,000	3,006,000	2,490,368
9	Jun 7, 2024 16:04	3,867	53,437,729	29,086,000	3,008,000	2,486,272
10	Jun 7, 2024 16:04	3,870	56,076,291	29,109,000	3,011,000	2,482,176
11	Jun 7, 2024 16:04	3,875	59,362,914	31,159,000	1,005,000	2,486,272
12	Jun 7, 2024 16:04	3,877	55,021,022	29,163,000	3,016,000	2,486,272
13	Jun 7, 2024 16:04	3,882	52,831,830	30,209,000	2,013,000	2,273,280
14	Jun 7, 2024 16:04	3,883	56,143,635	30,218,000	2,014,000	2,273,280
15	Jun 7, 2024 16:04	3,883	59,777,325	30,215,000	2,014,000	2,273,280
16	Jun 7, 2024 16:04	3,884	56,745,107	29,212,000	3,022,000	2,490,368
17	Jun 7, 2024 16:04	3,888	59,438,449	30,257,000	2,017,000	2,478,080
18	Jun 7, 2024 16:04	3,890	58,170,274	29,259,000	3,026,000	2,273,280
19	Jun 7, 2024 16:04	3,897	59,471,138	29,310,000	3,032,000	2,482,176
20	Jun 7, 2024 16:04	3,899	68,972,102	29,330,000	3,034,000	2,490,368
21	Jun 7, 2024 16:04	3,911	55,256,681	30,430,000	2,028,000	2,392,064
22	Jun 7, 2024 16:04	3,914	57,616,018	31,473,000	1,015,000	2,490,368
23	Jun 7, 2024 16:04	3,920	63,618,890	30,504,000	2,033,000	2,367,488
24	Jun 7, 2024 16:04	3,923	55,523,637	31,543,000	1,017,000	2,506,752
25	Jun 7, 2024 16:04	3,934	62,846,875	32,649,000	0	2,486,272
26	Jun 7, 2024 16:04	3,937	57,391,590	30,635,000	2,042,000	2,273,280
27	Jun 7, 2024 16:04	3,937	63,852,563	30,637,000	2,042,000	2,273,280
28	Jun 7, 2024 16:04	3,938	61,495,742	30,644,000	2,042,000	2,482,176
29	Jun 7, 2024 16:04	3,939	63,626,401	30,647,000	2,043,000	2,342,912
30	Jun 7, 2024 16:04	3,955	60,089,773	29,845,000	2,984,000	2,371,584
31	Jun 7, 2024 16:04	3,956	57,497,126	30,846,000	1,990,000	2,273,280
32	Jun 7, 2024 16:04	3,957	59,176,016	30,852,000	1,990,000	2,486,272
33	Jun 7, 2024 16:04	3,957	56,636,244	29,861,000	2,986,000	2,482,176
34	Jun 7, 2024 16:04	3,980	59,277,554	31,031,000	2,002,000	2,478,080
35	Jun 7, 2024 16:04	4,003	59,514,247	32,222,000	1,006,000	2,273,280
36	Jun 7, 2024 16:04	4,078	59,033,685	31,860,000	1,991,000	2,490,368
37	Jun 7, 2024 16:04	4,122	101,304,453	34,212,871	0	2,244,608
38	Jun 7, 2024 16:04	4,135	103,151,895	34,321,554	0	2,363,392
39	Jun 7, 2024 16:04	4,137	94,032,673	34,335,975	0	2,232,320
40	Jun 7, 2024 16:04	4,147	108,211,731	34,417,016	0	2,228,224
41	Jun 7, 2024 16:04	4,152	104,271,580	34,464,092	0	2,244,608
42	Jun 7, 2024 16:04	4,157	95,168,217	34,504,986	0	2,244,608
43	Jun 7, 2024 16:04	4,158	99,466,617	34,514,951	0	2,228,224
44	Jun 7, 2024 16:04	4,170	111,457,514	34,614,004	0	2,232,320
45	Jun 7, 2024 16:04	4,188	111,694,500	34,763,816	0	2,244,608
46	Jun 7, 2024 16:04	4,232	105,518,249	35,121,612	0	2,232,320
47	Jun 7, 2024 16:04	4,235	97,924,245	35,153,761	0	2,375,680
48	Jun 7, 2024 16:04	4,441	101,481,199	36,863,405	0	2,240,512

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