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 listFeb 19, 2026 19:34

lipapipa

Score: 5,888

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Feb 19, 2026 19:34	5,690	69,696,336	45,222,000	2,009,000	2,371,584
2	Feb 19, 2026 19:33	5,698	71,915,548	45,279,000	2,012,000	2,486,272
3	Feb 19, 2026 19:34	5,706	68,043,658	44,339,000	3,023,000	2,314,240
4	Feb 19, 2026 19:34	5,739	75,318,869	46,620,000	1,013,000	2,478,080
5	Feb 19, 2026 19:34	5,749	85,521,129	45,685,000	2,030,000	2,367,488
6	Feb 19, 2026 19:34	5,755	74,959,680	43,790,000	3,980,000	2,273,280
7	Feb 19, 2026 19:33	5,770	70,055,665	45,898,000	1,995,000	2,355,200
8	Feb 19, 2026 19:34	5,781	70,969,171	43,984,000	3,998,000	2,461,696
9	Feb 19, 2026 19:34	5,782	69,777,211	44,990,000	2,999,000	2,281,472
10	Feb 19, 2026 19:34	5,784	67,454,018	45,007,000	3,000,000	2,367,488
11	Feb 19, 2026 19:34	5,790	70,617,288	44,056,000	4,005,000	2,363,392
12	Feb 19, 2026 19:34	5,800	71,819,236	46,136,000	2,005,000	2,510,848
13	Feb 19, 2026 19:34	5,804	73,619,734	46,167,000	2,007,000	2,469,888
14	Feb 19, 2026 19:34	5,808	75,174,653	45,197,000	3,013,000	2,498,560
15	Feb 19, 2026 19:33	5,813	74,631,679	45,233,000	3,015,000	2,371,584
16	Feb 19, 2026 19:34	5,819	70,192,938	46,289,000	2,012,000	2,371,584
17	Feb 19, 2026 19:34	5,819	69,080,683	45,277,000	3,018,000	2,371,584
18	Feb 19, 2026 19:34	5,835	70,848,410	46,412,000	2,017,000	2,506,752
19	Feb 19, 2026 19:34	5,844	72,733,163	46,488,000	2,021,000	2,318,336
20	Feb 19, 2026 19:34	5,849	80,580,228	47,535,000	1,011,000	2,289,664
21	Feb 19, 2026 19:33	5,853	82,978,621	47,570,000	1,012,000	2,523,136
22	Feb 19, 2026 19:33	5,862	80,886,853	47,641,000	1,013,000	2,326,528
23	Feb 19, 2026 19:34	5,863	76,112,351	46,634,000	2,027,000	2,347,008
24	Feb 19, 2026 19:34	5,882	80,754,140	46,832,000	1,992,000	2,379,776
25	Feb 19, 2026 19:33	5,883	75,922,491	45,836,000	2,989,000	2,371,584
26	Feb 19, 2026 19:34	5,883	77,785,969	46,838,000	1,993,000	2,347,008
27	Feb 19, 2026 19:34	5,884	74,942,308	46,844,000	1,993,000	2,314,240
28	Feb 19, 2026 19:34	5,888	77,211,053	46,873,000	1,994,000	2,371,584
29	Feb 19, 2026 19:34	5,896	70,935,750	45,941,000	2,996,000	2,490,368
30	Feb 19, 2026 19:34	5,897	72,112,859	45,945,000	2,996,000	2,359,296
31	Feb 19, 2026 19:34	5,902	72,152,249	45,985,000	2,999,000	2,473,984
32	Feb 19, 2026 19:34	5,908	72,706,464	46,032,000	3,002,000	2,445,312
33	Feb 19, 2026 19:34	5,909	72,151,894	48,044,000	1,000,000	2,453,504
34	Feb 19, 2026 19:34	5,915	75,497,704	46,086,000	3,005,000	2,285,568
35	Feb 19, 2026 19:34	5,916	74,223,108	46,098,000	3,006,000	2,371,584
36	Feb 19, 2026 19:34	5,918	72,285,427	47,118,000	2,005,000	2,367,488
37	Feb 19, 2026 19:34	5,926	76,435,434	46,176,000	3,011,000	2,506,752
38	Feb 19, 2026 19:34	5,929	71,065,494	45,192,000	4,017,000	2,375,680
39	Feb 19, 2026 19:34	5,936	78,793,087	48,262,000	1,005,000	2,371,584
40	Feb 19, 2026 19:34	5,958	77,232,394	47,430,000	2,018,000	2,289,664
41	Feb 19, 2026 19:34	5,971	79,809,680	48,549,000	1,011,000	2,363,392
42	Feb 19, 2026 19:34	5,986	80,240,068	47,658,000	2,028,000	2,310,144
43	Feb 19, 2026 19:34	6,001	77,160,788	47,820,000	1,992,000	2,293,760
44	Feb 19, 2026 19:34	6,003	77,169,574	45,837,000	3,985,000	2,359,296
45	Feb 19, 2026 19:34	6,003	79,274,554	47,834,000	1,993,000	2,461,696
46	Feb 19, 2026 19:34	6,005	71,637,304	47,847,000	1,993,000	2,342,912
47	Feb 19, 2026 19:34	6,012	70,214,246	46,904,000	2,993,000	2,441,216
48	Feb 19, 2026 19:34	6,016	72,223,199	45,938,000	3,994,000	2,293,760
49	Feb 19, 2026 19:34	6,043	76,459,761	48,154,000	2,006,000	2,510,848
50	Feb 19, 2026 19:34	6,043	73,521,993	48,151,000	2,006,000	2,457,600
51	Feb 19, 2026 19:34	6,047	73,034,435	47,177,000	3,011,000	2,293,760
52	Feb 19, 2026 19:34	6,077	73,263,209	48,423,000	2,017,000	2,371,584
53	Feb 19, 2026 19:34	6,095	80,267,500	49,575,000	1,011,000	2,342,912
54	Feb 19, 2026 19:34	6,127	75,506,356	47,861,000	2,991,000	2,363,392

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