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 listDec 11, 2025 15:22

Bernard Teo

Score: 6,041

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Dec 11, 2025 15:22	6,023	73,517,976	47,995,000	1,999,000	2,396,160
2	Dec 11, 2025 15:17	6,023	71,923,376	47,995,000	1,999,000	2,273,280
3	Dec 11, 2025 15:17	6,025	75,893,127	49,010,000	1,000,000	2,273,280
4	Dec 11, 2025 15:17	6,026	73,065,551	48,016,000	2,000,000	2,273,280
5	Dec 11, 2025 15:17	6,026	79,114,742	48,017,000	2,000,000	2,273,280
6	Dec 11, 2025 17:28	6,027	72,249,185	49,020,000	1,000,000	2,273,280
7	Dec 11, 2025 17:28	6,028	72,619,646	49,031,000	1,000,000	2,396,160
8	Dec 11, 2025 15:17	6,028	75,039,200	48,034,000	2,001,000	2,273,280
9	Dec 11, 2025 15:22	6,029	74,754,398	48,039,000	2,001,000	2,400,256
10	Dec 11, 2025 15:17	6,030	75,704,371	49,051,000	1,001,000	2,400,256
11	Dec 11, 2025 15:17	6,031	77,879,631	48,054,000	2,002,000	2,273,280
12	Dec 11, 2025 15:17	6,032	71,446,373	48,063,000	2,002,000	2,273,280
13	Dec 11, 2025 17:28	6,032	73,964,121	49,061,000	1,001,000	2,396,160
14	Dec 11, 2025 15:17	6,032	79,876,954	48,066,000	2,002,000	2,273,280
15	Dec 11, 2025 17:28	6,033	75,928,520	48,070,000	2,002,000	2,273,280
16	Dec 11, 2025 15:17	6,034	71,415,197	48,076,000	2,003,000	2,273,280
17	Dec 11, 2025 15:22	6,034	74,988,947	48,083,000	2,003,000	2,273,280
18	Dec 11, 2025 15:17	6,035	73,212,308	48,085,000	2,003,000	2,273,280
19	Dec 11, 2025 15:17	6,035	77,024,722	49,087,000	1,001,000	2,392,064
20	Dec 11, 2025 15:22	6,035	73,929,004	48,086,000	2,003,000	2,273,280
21	Dec 11, 2025 15:17	6,037	73,896,590	48,107,000	2,004,000	2,396,160
22	Dec 11, 2025 15:17	6,037	72,836,038	48,105,000	2,004,000	2,396,160
23	Dec 11, 2025 15:22	6,038	73,048,038	49,111,000	1,002,000	2,273,280
24	Dec 11, 2025 17:28	6,038	72,405,707	48,111,000	2,004,000	2,273,280
25	Dec 11, 2025 15:17	6,040	72,183,763	48,123,000	2,005,000	2,392,064
26	Dec 11, 2025 15:17	6,040	71,249,347	48,126,000	2,005,000	2,396,160
27	Dec 11, 2025 15:17	6,041	72,802,831	49,140,000	1,002,000	2,392,064
28	Dec 11, 2025 17:28	6,041	74,746,454	49,135,000	1,002,000	2,396,160
29	Dec 11, 2025 17:28	6,041	78,644,961	49,137,000	1,002,000	2,273,280
30	Dec 11, 2025 15:22	6,042	73,884,563	48,142,000	2,005,000	2,392,064
31	Dec 11, 2025 15:22	6,043	76,232,131	48,152,000	2,006,000	2,273,280
32	Dec 11, 2025 15:17	6,043	77,885,015	48,150,000	2,006,000	2,400,256
33	Dec 11, 2025 15:17	6,044	72,806,400	48,162,000	2,006,000	2,273,280
34	Dec 11, 2025 17:28	6,044	76,444,158	48,158,000	2,006,000	2,392,064
35	Dec 11, 2025 15:22	6,045	78,026,584	48,164,000	2,006,000	2,273,280
36	Dec 11, 2025 15:22	6,047	72,736,013	49,190,000	1,003,000	2,400,256
37	Dec 11, 2025 15:17	6,047	71,124,079	48,179,000	2,007,000	2,400,256
38	Dec 11, 2025 17:28	6,047	74,951,615	48,184,000	2,007,000	2,396,160
39	Dec 11, 2025 17:28	6,049	79,159,191	48,200,000	2,008,000	2,273,280
40	Dec 11, 2025 17:28	6,050	73,877,745	49,213,000	1,004,000	2,273,280
41	Dec 11, 2025 15:22	6,052	74,713,296	49,224,000	1,004,000	2,273,280
42	Dec 11, 2025 15:22	6,053	71,474,979	49,238,000	1,004,000	2,392,064
43	Dec 11, 2025 15:17	6,054	74,098,820	49,244,000	1,004,000	2,392,064
44	Dec 11, 2025 17:28	6,055	70,642,185	49,254,000	1,005,000	2,273,280
45	Dec 11, 2025 15:17	6,055	75,944,593	48,249,000	2,010,000	2,273,280
46	Dec 11, 2025 15:17	6,057	69,317,351	50,270,000	0	2,273,280
47	Dec 11, 2025 15:17	6,058	75,652,842	48,271,000	2,011,000	2,273,280
48	Dec 11, 2025 15:17	6,058	73,881,809	50,283,000	0	2,400,256
49	Dec 11, 2025 15:17	6,059	70,570,060	49,287,000	1,005,000	2,273,280
50	Dec 11, 2025 15:22	6,067	72,729,566	50,356,000	0	2,392,064
51	Dec 11, 2025 15:17	6,067	75,176,268	50,353,000	0	2,396,160
52	Dec 11, 2025 15:17	6,070	71,993,459	49,374,000	1,007,000	2,273,280
53	Dec 11, 2025 15:17	6,071	77,397,647	49,381,000	1,007,000	2,400,256
54	Dec 11, 2025 15:17	6,090	74,944,316	50,546,000	0	2,273,280

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