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 listMar 10, 2026 16:13

Josu San MartinScore: 5,105Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Mar 6, 2026 17:18	4,940	61,910,726	39,006,000	2,000,000	2,281,472
2	Mar 6, 2026 17:18	4,944	65,034,926	39,037,000	2,001,000	2,281,472
3	Mar 6, 2026 17:18	4,946	62,122,171	39,052,000	2,002,000	2,281,472
4	Mar 10, 2026 16:13	4,946	67,229,716	39,046,000	2,002,000	2,416,640
5	Mar 10, 2026 16:13	4,947	61,655,495	39,054,000	2,002,000	2,539,520
6	Mar 10, 2026 16:13	4,947	68,278,436	39,056,000	2,002,000	2,281,472
7	Mar 6, 2026 17:14	4,958	62,802,441	39,141,000	2,007,000	2,502,656
8	Mar 6, 2026 17:14	4,967	62,243,621	40,222,000	1,005,000	2,408,448
9	Mar 10, 2026 16:13	4,971	62,357,466	41,259,000	0	2,412,544
10	Mar 6, 2026 17:18	4,981	67,665,718	40,336,000	1,008,000	2,281,472
11	Mar 6, 2026 17:18	4,981	69,377,858	40,333,000	1,008,000	2,412,544
12	Mar 6, 2026 17:17	4,990	65,157,739	40,409,000	1,010,000	2,281,472
13	Mar 10, 2026 16:12	4,992	62,409,479	40,425,000	1,010,000	2,281,472
14	Mar 6, 2026 17:18	4,993	66,797,441	40,436,000	1,010,000	2,281,472
15	Mar 6, 2026 17:18	4,993	61,901,011	40,432,000	1,010,000	2,281,472
16	Mar 6, 2026 17:18	4,997	69,245,579	40,467,000	1,011,000	2,281,472
17	Mar 6, 2026 17:18	5,010	68,016,207	40,566,000	1,014,000	2,277,376
18	Mar 6, 2026 17:17	5,015	65,736,639	40,609,000	1,015,000	2,400,256
19	Mar 6, 2026 17:17	5,020	66,993,475	40,648,000	1,016,000	2,281,472
20	Mar 10, 2026 16:13	5,038	73,695,254	39,827,000	1,991,000	2,408,448
21	Mar 6, 2026 17:18	5,039	66,082,781	39,832,000	1,991,000	2,281,472
22	Mar 6, 2026 17:17	5,039	70,143,614	39,830,000	1,991,000	2,498,560
23	Mar 6, 2026 17:17	5,039	67,584,499	39,834,000	1,991,000	2,404,352
24	Mar 6, 2026 17:17	5,040	65,806,505	39,841,000	1,992,000	2,404,352
25	Mar 10, 2026 16:13	5,041	69,089,598	39,849,000	1,992,000	2,400,256
26	Mar 10, 2026 16:12	5,041	66,310,194	39,852,000	1,992,000	2,281,472
27	Mar 6, 2026 17:13	5,041	69,378,773	39,845,000	1,992,000	2,408,448
28	Mar 6, 2026 17:17	5,045	65,928,824	40,850,000	1,021,000	2,416,640
29	Mar 6, 2026 17:13	5,053	60,404,759	39,945,000	1,997,000	2,408,448
30	Mar 10, 2026 16:13	5,059	64,436,750	39,994,000	1,999,000	2,281,472
31	Mar 10, 2026 16:13	5,064	67,176,589	40,031,000	2,001,000	2,281,472
32	Mar 6, 2026 17:18	5,065	65,530,188	40,041,000	2,002,000	2,412,544
33	Mar 6, 2026 17:18	5,066	69,500,931	40,046,000	2,002,000	2,400,256
34	Mar 10, 2026 16:13	5,074	65,215,873	40,108,000	2,005,000	2,281,472
35	Mar 6, 2026 17:14	5,086	66,013,902	40,203,000	2,010,000	2,408,448
36	Mar 6, 2026 17:13	5,087	66,630,036	40,212,000	2,010,000	2,412,544
37	Mar 6, 2026 17:13	5,105	63,685,072	41,363,000	1,008,000	2,281,472
38	Mar 6, 2026 17:18	5,105	65,333,473	41,367,000	1,008,000	2,400,256
39	Mar 10, 2026 16:13	5,120	70,244,533	41,481,000	1,011,000	2,281,472
40	Mar 6, 2026 17:17	5,128	68,778,908	41,548,000	1,013,000	2,281,472
41	Mar 6, 2026 17:17	5,159	65,839,322	41,826,000	995,000	2,281,472
42	Mar 7, 2026 00:21	5,204	63,654,778	41,188,000	2,009,000	2,277,376
43	Mar 6, 2026 17:14	5,218	68,161,960	41,292,000	2,014,000	2,408,448
44	Mar 10, 2026 16:13	5,222	65,933,720	42,337,000	1,008,000	2,408,448
45	Mar 10, 2026 16:13	5,236	66,444,283	42,451,000	1,010,000	2,404,352
46	Mar 6, 2026 17:18	5,236	61,628,562	43,462,000	0	2,408,448
47	Mar 10, 2026 16:12	5,237	64,046,455	42,453,000	1,010,000	2,281,472
48	Mar 7, 2026 00:21	5,247	64,260,073	42,541,000	1,012,000	2,281,472
49	Mar 10, 2026 16:13	5,248	71,385,438	42,548,000	1,013,000	2,281,472
50	Mar 6, 2026 17:13	5,250	71,720,255	42,561,000	1,013,000	2,412,544
51	Mar 6, 2026 17:17	5,256	70,531,074	42,608,000	1,014,000	2,412,544
52	Mar 6, 2026 17:18	5,259	70,533,063	42,638,000	1,015,000	2,281,472
53	Mar 10, 2026 16:13	5,259	76,195,594	42,638,000	1,015,000	2,277,376
54	Mar 6, 2026 17:17	5,281	67,785,617	41,837,000	1,992,000	2,502,656
55	Mar 10, 2026 16:12	5,283	68,661,729	41,859,000	1,993,000	2,281,472
56	Mar 7, 2026 00:21	5,297	68,990,561	41,969,000	1,998,000	2,412,544
57	Mar 6, 2026 17:17	5,298	66,253,059	41,977,000	1,998,000	2,404,352
58	Mar 6, 2026 17:14	5,303	69,608,294	43,015,000	1,000,000	2,281,472
59	Mar 10, 2026 16:13	5,305	64,149,467	43,031,000	1,000,000	2,281,472
60	Mar 6, 2026 17:18	5,317	66,535,123	42,125,000	2,005,000	2,404,352
61	Mar 10, 2026 16:13	5,320	62,004,683	42,146,000	2,006,000	2,400,256
62	Mar 6, 2026 17:14	5,323	69,124,173	42,172,000	2,008,000	2,404,352
63	Mar 6, 2026 17:18	5,325	71,349,694	42,191,000	2,009,000	2,498,560
64	Mar 7, 2026 00:21	5,326	69,204,338	42,196,000	2,009,000	2,424,832
65	Mar 10, 2026 16:12	5,338	69,370,920	43,299,000	1,006,000	2,281,472
66	Mar 10, 2026 16:13	5,347	64,318,205	43,374,000	1,008,000	2,404,352
67	Mar 6, 2026 17:18	5,358	65,338,261	43,459,000	1,010,000	2,408,448
68	Mar 10, 2026 16:12	5,359	65,138,286	43,470,000	1,010,000	2,404,352
69	Mar 6, 2026 17:13	5,377	72,766,733	43,618,000	1,014,000	2,281,472
70	Mar 10, 2026 16:13	5,399	69,616,609	42,822,000	1,991,000	2,281,472
71	Mar 7, 2026 00:21	5,411	66,277,794	42,915,000	1,996,000	2,281,472
72	Mar 7, 2026 00:21	5,451	65,227,269	43,231,000	2,010,000	2,281,472

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