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 2, 2025 14:04

Jack Frigaard

Score: 4,680

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	Aug 2, 2025 14:06	4,654	65,634,978	36,593,000	2,032,000	2,519,040
2	Aug 2, 2025 14:04	4,660	66,118,573	36,643,000	2,035,000	2,519,040
3	Aug 2, 2025 14:02	4,660	65,498,314	36,639,000	2,035,000	2,519,040
4	Aug 2, 2025 14:04	4,661	67,197,353	36,650,000	2,036,000	2,519,040
5	Aug 2, 2025 14:05	4,661	69,685,246	36,651,000	2,036,000	2,445,312
6	Aug 2, 2025 14:06	4,661	65,002,308	36,651,000	2,036,000	2,449,408
7	Aug 2, 2025 14:02	4,662	69,449,798	36,662,000	2,036,000	2,519,040
8	Aug 2, 2025 14:05	4,673	66,497,622	35,806,000	2,983,000	2,449,408
9	Aug 2, 2025 14:04	4,674	63,425,912	35,809,000	2,984,000	2,453,504
10	Aug 2, 2025 14:04	4,674	69,036,627	36,807,000	1,989,000	2,510,848
11	Aug 2, 2025 14:05	4,675	70,014,551	36,812,000	1,989,000	2,519,040
12	Aug 2, 2025 14:04	4,675	70,890,946	36,815,000	1,990,000	2,510,848
13	Aug 2, 2025 14:05	4,676	64,908,061	35,828,000	2,985,000	2,519,040
14	Aug 2, 2025 14:04	4,676	67,836,728	35,825,000	2,985,000	2,441,216
15	Aug 2, 2025 14:04	4,676	63,441,739	35,829,000	2,985,000	2,453,504
16	Aug 2, 2025 14:05	4,677	64,839,494	36,826,000	1,990,000	2,445,312
17	Aug 2, 2025 14:06	4,677	64,912,538	36,825,000	1,990,000	2,457,600
18	Aug 2, 2025 14:06	4,677	64,260,519	35,836,000	2,986,000	2,519,040
19	Aug 2, 2025 14:05	4,677	71,386,614	35,831,000	2,985,000	2,519,040
20	Aug 2, 2025 14:04	4,677	68,108,423	36,827,000	1,990,000	2,519,040
21	Aug 2, 2025 14:04	4,677	67,020,369	35,831,000	2,985,000	2,293,760
22	Aug 2, 2025 14:04	4,677	70,281,349	37,827,000	995,000	2,519,040
23	Aug 2, 2025 14:04	4,677	66,030,466	35,836,000	2,986,000	2,519,040
24	Aug 2, 2025 14:02	4,677	64,012,426	35,835,000	2,986,000	2,519,040
25	Aug 2, 2025 14:02	4,677	63,819,643	35,830,000	2,985,000	2,519,040
26	Aug 2, 2025 14:06	4,678	66,933,031	35,841,000	2,986,000	2,289,664
27	Aug 2, 2025 14:05	4,678	65,777,758	35,844,000	2,987,000	2,437,120
28	Aug 2, 2025 14:05	4,678	63,585,859	36,833,000	1,991,000	2,519,040
29	Aug 2, 2025 14:04	4,678	64,805,901	35,842,000	2,986,000	2,453,504
30	Aug 2, 2025 14:04	4,678	69,646,778	36,839,000	1,991,000	2,453,504
31	Aug 2, 2025 14:06	4,679	68,678,224	37,841,000	995,000	2,510,848
32	Aug 2, 2025 14:04	4,679	65,982,215	37,840,000	995,000	2,445,312
33	Aug 2, 2025 14:04	4,679	64,362,515	36,846,000	1,991,000	2,461,696
34	Aug 2, 2025 14:05	4,679	68,835,012	35,845,000	2,987,000	2,519,040
35	Aug 2, 2025 14:04	4,680	67,846,708	35,855,000	2,987,000	2,273,280
36	Aug 2, 2025 14:02	4,680	62,063,964	36,856,000	1,992,000	2,453,504
37	Aug 2, 2025 14:06	4,680	71,829,410	35,854,000	2,987,000	2,441,216
38	Aug 2, 2025 14:04	4,682	67,500,372	35,870,000	2,989,000	2,519,040
39	Aug 2, 2025 14:02	4,682	62,632,546	37,837,000	1,022,000	2,519,040
40	Aug 2, 2025 14:02	4,682	64,807,492	35,870,000	2,989,000	2,457,600
41	Aug 2, 2025 14:04	4,689	63,429,471	35,922,000	2,993,000	2,510,848
42	Aug 2, 2025 14:02	4,696	67,012,203	35,981,000	2,998,000	2,519,040
43	Aug 2, 2025 14:05	4,715	67,525,728	36,123,000	3,010,000	2,437,120
44	Aug 2, 2025 14:04	4,717	71,998,110	37,140,000	2,007,000	2,404,352
45	Aug 2, 2025 14:04	4,717	62,951,248	38,148,000	1,003,000	2,519,040
46	Aug 2, 2025 14:06	4,718	64,672,782	36,150,000	3,012,000	2,519,040
47	Aug 2, 2025 14:02	4,721	61,731,816	36,173,000	3,014,000	2,519,040
48	Aug 2, 2025 14:04	4,721	65,244,228	36,172,000	3,014,000	2,519,040
49	Aug 2, 2025 14:05	4,729	62,859,941	37,237,000	2,012,000	2,519,040
50	Aug 2, 2025 14:05	4,730	62,323,926	36,237,000	3,019,000	2,519,040
51	Aug 2, 2025 14:06	4,732	65,794,806	36,254,000	3,021,000	2,449,408
52	Aug 2, 2025 14:05	4,732	66,562,610	36,256,000	3,021,000	2,519,040
53	Aug 2, 2025 14:04	4,733	62,289,239	37,267,000	2,014,000	2,519,040
54	Aug 2, 2025 14:02	4,733	60,703,921	36,262,000	3,021,000	2,519,040
55	Aug 2, 2025 14:06	4,734	62,699,809	36,267,000	3,022,000	2,519,040
56	Aug 2, 2025 14:02	4,734	63,275,841	36,272,000	3,022,000	2,457,600
57	Aug 2, 2025 14:06	4,735	60,184,598	36,277,000	3,023,000	2,453,504
58	Aug 2, 2025 14:05	4,735	64,280,896	37,285,000	2,015,000	2,449,408
59	Aug 2, 2025 14:04	4,736	63,999,594	36,284,000	3,023,000	2,519,040
60	Aug 2, 2025 14:06	4,737	66,462,012	36,295,000	3,024,000	2,519,040
61	Aug 2, 2025 14:05	4,738	62,805,077	36,304,000	3,025,000	2,445,312
62	Aug 2, 2025 14:04	4,739	69,051,395	36,308,000	3,025,000	2,445,312
63	Aug 2, 2025 14:02	4,740	59,929,043	36,319,000	3,026,000	2,441,216
64	Aug 2, 2025 14:05	4,740	61,529,112	38,334,000	1,008,000	2,453,504
65	Aug 2, 2025 14:05	4,743	67,461,831	38,358,000	1,009,000	2,519,040
66	Aug 2, 2025 14:04	4,745	69,919,455	36,351,000	3,029,000	2,514,944
67	Aug 2, 2025 14:04	4,746	63,148,030	36,359,000	3,029,000	2,514,944
68	Aug 2, 2025 14:04	4,746	64,906,175	37,373,000	2,020,000	2,519,040
69	Aug 2, 2025 14:04	4,754	66,630,715	36,427,000	3,035,000	2,519,040
70	Aug 2, 2025 14:04	4,795	66,463,150	37,809,000	1,989,000	2,519,040
71	Aug 2, 2025 14:04	4,803	66,693,095	37,873,000	1,993,000	2,519,040
72	Aug 2, 2025 14:05	5,044	67,658,149	38,873,000	2,990,000	2,453,504

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