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 listAug 18, 2025 06:24

Ashish Ahuja

Score: 11,547

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Aug 18, 2025 06:11	11,397	117,165,119	83,639,000	10,952,000	2,527,232
2	Aug 18, 2025 06:03	11,413	123,236,056	86,755,000	7,977,000	2,342,912
3	Aug 18, 2025 06:11	11,423	118,440,175	87,828,000	6,986,000	2,342,912
4	Aug 18, 2025 06:07	11,427	121,319,073	86,858,000	7,986,000	2,347,008
5	Aug 18, 2025 06:07	11,433	126,185,130	88,902,000	5,993,000	2,342,912
6	Aug 18, 2025 06:07	11,442	119,319,351	86,970,000	7,997,000	2,523,136
7	Aug 18, 2025 06:10	11,446	121,845,784	84,002,000	11,000,000	2,347,008
8	Aug 18, 2025 06:03	11,447	120,374,067	88,013,000	7,001,000	2,347,008
9	Aug 18, 2025 06:24	11,459	122,309,856	87,098,000	8,009,000	2,293,760
10	Aug 18, 2025 06:11	11,468	119,321,506	86,166,000	9,017,000	2,457,600
11	Aug 18, 2025 06:24	11,471	118,648,969	87,190,000	8,017,000	2,338,816
12	Aug 18, 2025 06:24	11,471	115,629,208	88,194,000	7,015,000	2,334,720
13	Aug 18, 2025 06:11	11,476	121,127,455	84,219,000	11,028,000	2,473,984
14	Aug 18, 2025 06:03	11,477	123,533,683	90,245,000	5,013,000	2,494,464
15	Aug 18, 2025 06:11	11,508	122,213,886	85,569,000	9,949,000	2,510,848
16	Aug 18, 2025 06:24	11,509	123,764,406	88,560,000	6,965,000	2,351,104
17	Aug 18, 2025 06:03	11,510	123,362,531	90,559,000	4,975,000	2,371,584
18	Aug 18, 2025 06:07	11,516	126,769,156	88,540,000	7,043,000	2,351,104
19	Aug 18, 2025 06:24	11,517	125,586,608	87,622,000	7,965,000	2,519,040
20	Aug 18, 2025 06:10	11,533	121,530,952	89,739,000	5,982,000	2,347,008
21	Aug 18, 2025 06:07	11,533	127,328,297	85,753,000	9,971,000	2,347,008
22	Aug 18, 2025 06:24	11,535	127,718,078	87,764,000	7,978,000	2,351,104
23	Aug 18, 2025 06:07	11,537	123,046,426	87,778,000	7,979,000	2,486,272
24	Aug 18, 2025 06:03	11,540	119,046,250	86,805,000	8,979,000	2,449,408
25	Aug 18, 2025 06:10	11,541	124,785,294	86,812,000	8,980,000	2,523,136
26	Aug 18, 2025 06:11	11,545	124,103,734	85,845,000	9,982,000	2,342,912
27	Aug 18, 2025 06:07	11,547	122,040,845	87,852,000	7,986,000	2,437,120
28	Aug 18, 2025 06:11	11,547	122,552,159	88,853,000	6,988,000	2,347,008
29	Aug 18, 2025 06:07	11,547	117,070,587	89,848,000	5,989,000	2,297,856
30	Aug 18, 2025 06:03	11,563	125,961,328	85,973,000	9,996,000	2,502,656
31	Aug 18, 2025 06:24	11,587	120,486,620	88,162,000	8,014,000	2,347,008
32	Aug 18, 2025 06:11	11,609	124,666,832	86,318,000	10,037,000	2,351,104
33	Aug 18, 2025 06:11	11,625	123,086,238	88,529,000	7,957,000	2,338,816
34	Aug 18, 2025 06:07	11,643	126,455,039	87,673,000	8,966,000	2,338,816
35	Aug 18, 2025 06:07	11,643	123,942,868	86,673,000	9,962,000	2,355,200
36	Aug 18, 2025 06:11	11,648	126,725,067	87,706,000	8,969,000	2,523,136
37	Aug 18, 2025 06:03	11,669	123,157,803	88,865,000	7,987,000	2,347,008
38	Aug 18, 2025 06:07	11,696	116,308,927	88,069,000	9,007,000	2,486,272
39	Aug 18, 2025 06:10	11,752	122,814,353	91,570,000	5,971,000	2,523,136
40	Aug 18, 2025 06:24	11,770	128,618,852	87,720,000	9,968,000	2,523,136
41	Aug 18, 2025 06:10	11,780	120,815,099	89,790,000	7,981,000	2,523,136
42	Aug 18, 2025 06:03	11,787	129,192,236	89,846,000	7,986,000	2,347,008
43	Aug 18, 2025 06:03	11,797	119,496,881	88,927,000	8,992,000	2,338,816
44	Aug 18, 2025 06:07	11,801	123,322,353	88,954,000	8,995,000	2,355,200
45	Aug 18, 2025 06:24	11,808	120,307,971	89,004,000	9,000,000	2,531,328
46	Aug 18, 2025 06:03	11,825	123,459,211	89,134,000	9,013,000	2,355,200
47	Aug 18, 2025 06:24	11,838	122,689,125	90,235,000	8,020,000	2,523,136
48	Aug 18, 2025 06:03	11,872	131,008,280	89,582,000	8,958,000	2,519,040
49	Aug 18, 2025 06:24	11,875	125,352,280	90,599,000	7,964,000	2,347,008
50	Aug 18, 2025 06:11	12,023	124,829,691	91,808,000	7,983,000	2,519,040
51	Aug 18, 2025 06:11	12,148	124,286,038	90,847,000	9,983,000	2,334,720
52	Aug 18, 2025 06:24	12,197	121,689,952	90,206,000	11,025,000	2,523,136
53	Aug 18, 2025 06:03	12,442	133,573,750	93,240,000	10,025,000	2,351,104
54	Aug 18, 2025 06:10	12,955	133,324,515	99,560,000	7,964,000	2,347,008

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