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 5, 2024 14:34

Bernard Teo

Score: 6,459

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	Jan 2, 2023 17:19	6,280	122,957,477	52,123,450	0	2,277,376
2	Jan 2, 2023 17:19	6,280	117,424,486	52,122,292	0	2,289,664
3	Jun 5, 2024 14:34	6,280	114,560,378	52,122,956	0	2,281,472
4	Jan 10, 2023 16:00	6,283	112,345,834	52,147,836	0	2,281,472
5	Jan 2, 2023 17:12	6,285	111,862,208	52,168,700	0	2,285,568
6	Jan 2, 2023 17:12	6,287	116,581,890	52,184,762	0	2,281,472
7	Jan 10, 2023 16:00	6,288	123,360,884	52,189,144	0	2,281,472
8	Jun 5, 2024 14:34	6,291	119,883,922	52,215,781	0	2,289,664
9	Jan 10, 2023 16:00	6,291	111,967,040	52,214,134	0	2,281,472
10	Jun 5, 2024 14:34	6,292	114,191,342	52,220,904	0	2,289,664
11	Jun 5, 2024 14:34	6,294	115,108,886	52,241,126	0	2,285,568
12	Jan 2, 2023 17:19	6,296	115,490,124	52,257,047	0	2,277,376
13	Jun 5, 2024 14:34	6,298	118,446,391	52,276,868	0	2,285,568
14	Jan 2, 2023 17:12	6,298	121,344,677	52,270,733	0	2,281,472
15	Jun 5, 2024 14:34	6,299	125,876,582	52,278,445	0	2,285,568
16	Jun 5, 2024 14:34	6,441	78,819,912	52,451,000	1,008,000	2,273,280
17	Jun 5, 2024 14:34	6,444	77,989,426	52,473,000	1,009,000	2,273,280
18	Jun 5, 2024 14:34	6,445	74,973,431	52,487,000	1,009,000	2,400,256
19	Jan 10, 2023 16:00	6,446	74,701,666	53,504,000	0	2,273,280
20	Jan 10, 2023 16:00	6,447	75,451,925	53,507,000	0	2,273,280
21	Jan 10, 2023 16:00	6,447	78,854,673	52,502,000	1,009,000	2,404,352
22	Jun 5, 2024 14:34	6,447	77,790,533	52,503,000	1,009,000	2,396,160
23	Jan 10, 2023 16:00	6,451	75,853,327	52,536,000	1,010,000	2,265,088
24	Jan 2, 2023 17:19	6,451	74,594,456	52,537,000	1,010,000	2,408,448
25	Jun 5, 2024 14:34	6,451	77,208,016	52,530,000	1,010,000	2,396,160
26	Jan 2, 2023 17:12	6,453	82,486,520	53,558,000	0	2,404,352
27	Jan 2, 2023 17:19	6,453	83,442,484	53,561,000	0	2,277,376
28	Jan 10, 2023 16:00	6,454	82,056,486	53,567,000	0	2,273,280
29	Jan 2, 2023 17:19	6,455	86,092,879	53,578,000	0	2,273,280
30	Jun 5, 2024 14:34	6,455	83,303,697	53,580,000	0	2,273,280
31	Jan 2, 2023 17:19	6,456	83,685,933	52,575,000	1,011,000	2,404,352
32	Jan 2, 2023 17:12	6,456	89,751,811	53,584,000	0	2,273,280
33	Jun 5, 2024 14:34	6,456	83,650,575	53,583,000	0	2,400,256
34	Jan 2, 2023 17:12	6,457	81,005,681	52,585,000	1,011,000	2,273,280
35	Jan 2, 2023 17:12	6,457	82,979,550	52,580,000	1,011,000	2,273,280
36	Jan 10, 2023 16:00	6,458	78,621,157	52,591,000	1,011,000	2,273,280
37	Jan 2, 2023 17:12	6,459	76,828,297	52,597,000	1,011,000	2,404,352
38	Jun 5, 2024 14:34	6,459	86,401,853	52,600,000	1,011,000	2,273,280
39	Jan 2, 2023 17:12	6,459	81,083,693	53,609,000	0	2,400,256
40	Jun 5, 2024 14:34	6,460	82,210,654	52,606,000	1,011,000	2,273,280
41	Jan 2, 2023 17:12	6,460	83,309,701	52,611,000	1,011,000	2,400,256
42	Jan 2, 2023 17:19	6,460	82,001,234	52,607,000	1,011,000	2,273,280
43	Jun 5, 2024 14:34	6,460	79,561,392	53,618,000	0	2,273,280
44	Jun 5, 2024 14:34	6,461	80,664,558	53,623,000	0	2,404,352
45	Jan 2, 2023 17:19	6,461	79,710,510	52,616,000	1,011,000	2,404,352
46	Jan 2, 2023 17:12	6,461	82,761,224	53,627,000	0	2,400,256
47	Jan 2, 2023 17:12	6,461	89,049,920	52,614,000	1,011,000	2,273,280
48	Jan 10, 2023 16:00	6,461	79,596,865	53,630,000	0	2,273,280
49	Jun 5, 2024 14:34	6,461	84,918,224	53,624,000	0	2,273,280
50	Jan 2, 2023 17:19	6,462	75,267,403	52,623,000	1,011,000	2,273,280
51	Jan 2, 2023 17:19	6,462	78,466,282	52,623,000	1,011,000	2,396,160
52	Jan 10, 2023 16:00	6,463	83,110,193	52,629,000	1,012,000	2,273,280
53	Jan 2, 2023 17:19	6,463	83,563,327	51,621,000	2,024,000	2,273,280
54	Jun 5, 2024 14:34	6,464	81,497,509	53,654,000	0	2,396,160
55	Jun 5, 2024 14:34	6,464	81,683,314	52,642,000	1,012,000	2,396,160
56	Jun 5, 2024 14:34	6,465	80,562,971	53,662,000	0	2,273,280
57	Jan 2, 2023 17:12	6,466	84,169,760	52,655,000	1,012,000	2,519,040
58	Jun 5, 2024 14:34	6,466	79,629,760	52,654,000	1,012,000	2,281,472
59	Jun 5, 2024 14:34	6,468	83,488,350	53,683,000	0	2,273,280
60	Jun 5, 2024 14:34	6,471	80,692,804	52,713,000	994,000	2,273,280
61	Jun 5, 2024 14:34	6,476	76,764,190	51,762,000	1,990,000	2,273,280
62	Jan 10, 2023 16:00	6,478	82,742,814	52,776,000	995,000	2,273,280
63	Jan 2, 2023 17:19	6,483	83,147,720	51,818,000	1,993,000	2,273,280
64	Jun 5, 2024 14:34	6,483	79,184,075	52,815,000	996,000	2,396,160
65	Jun 5, 2024 14:34	6,483	83,836,563	51,815,000	1,992,000	2,273,280
66	Jun 5, 2024 14:34	6,483	79,854,753	52,817,000	996,000	2,396,160
67	Jan 10, 2023 16:00	6,483	82,557,531	51,820,000	1,993,000	2,273,280
68	Jun 5, 2024 14:34	6,484	82,848,450	51,827,000	1,993,000	2,273,280
69	Jan 10, 2023 16:00	6,485	80,399,125	52,827,000	996,000	2,273,280
70	Jan 2, 2023 17:19	6,485	79,441,992	52,831,000	996,000	2,404,352
71	Jan 2, 2023 17:19	6,485	78,787,746	52,827,000	996,000	2,400,256
72	Jan 2, 2023 17:12	6,486	82,069,911	53,831,000	0	2,400,256
73	Jan 10, 2023 16:00	6,486	81,509,552	52,835,000	996,000	2,273,280
74	Jun 5, 2024 14:34	6,489	82,023,424	53,859,000	0	2,400,256
75	Jan 2, 2023 17:12	6,497	77,570,516	52,928,000	998,000	2,392,064

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