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 5, 2026 05:03

Josu San Martin

Score: 5,852

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Feb 5, 2026 05:02	5,531	67,330,522	43,909,000	1,995,000	2,285,568
2	Feb 5, 2026 05:02	5,546	67,763,674	44,027,000	2,001,000	2,531,328
3	Feb 5, 2026 05:04	5,600	69,188,829	45,473,000	1,010,000	2,273,280
4	Feb 5, 2026 05:04	5,618	71,096,157	44,606,000	2,027,000	2,277,376
5	Feb 5, 2026 05:03	5,621	69,836,314	45,639,000	1,014,000	2,273,280
6	Feb 5, 2026 05:01	5,651	67,149,014	44,906,000	1,995,000	2,531,328
7	Feb 5, 2026 05:03	5,658	72,050,402	44,960,000	1,998,000	2,445,312
8	Feb 5, 2026 05:03	5,668	68,653,192	45,041,000	2,001,000	2,445,312
9	Feb 5, 2026 05:04	5,707	73,080,620	46,364,000	1,007,000	2,277,376
10	Feb 5, 2026 05:04	5,710	69,091,316	45,377,000	2,016,000	2,281,472
11	Feb 5, 2026 05:01	5,711	67,513,073	46,393,000	1,008,000	2,437,120
12	Feb 5, 2026 05:02	5,713	75,995,644	46,412,000	1,008,000	2,445,312
13	Feb 5, 2026 05:03	5,735	75,527,359	46,588,000	1,012,000	2,273,280
14	Feb 5, 2026 05:01	5,760	72,503,666	45,817,000	1,992,000	2,437,120
15	Feb 5, 2026 05:04	5,760	71,733,868	45,815,000	1,991,000	2,523,136
16	Feb 5, 2026 05:02	5,762	73,556,969	46,830,000	996,000	2,441,216
17	Feb 5, 2026 05:03	5,764	72,652,000	45,846,000	1,993,000	2,445,312
18	Feb 5, 2026 05:02	5,764	69,912,031	45,849,000	1,993,000	2,449,408
19	Feb 5, 2026 05:03	5,766	73,570,739	45,865,000	1,994,000	2,445,312
20	Feb 5, 2026 05:02	5,769	70,860,036	45,891,000	1,995,000	2,281,472
21	Feb 5, 2026 05:02	5,769	70,597,132	45,887,000	1,995,000	2,285,568
22	Feb 5, 2026 05:04	5,776	69,335,780	45,944,000	1,997,000	2,277,376
23	Feb 5, 2026 05:02	5,777	73,002,599	45,948,000	1,997,000	2,273,280
24	Feb 5, 2026 05:04	5,785	67,951,897	46,016,000	2,000,000	2,437,120
25	Feb 5, 2026 05:03	5,791	72,127,567	46,062,000	2,002,000	2,445,312
26	Feb 5, 2026 05:03	5,799	72,761,564	46,124,000	2,005,000	2,281,472
27	Feb 5, 2026 05:03	5,805	67,315,847	46,173,000	2,007,000	2,445,312
28	Feb 5, 2026 05:03	5,807	72,559,576	46,192,000	2,008,000	2,433,024
29	Feb 5, 2026 05:03	5,817	71,479,577	46,274,000	2,011,000	2,441,216
30	Feb 5, 2026 05:03	5,822	72,816,029	47,319,000	1,006,000	2,445,312
31	Feb 5, 2026 05:03	5,838	70,200,483	47,444,000	1,009,000	2,285,568
32	Feb 5, 2026 05:01	5,842	72,090,297	47,482,000	1,010,000	2,285,568
33	Feb 5, 2026 05:04	5,850	75,314,511	47,547,000	1,011,000	2,260,992
34	Feb 5, 2026 05:04	5,852	71,779,890	45,597,000	2,973,000	2,437,120
35	Feb 5, 2026 05:03	5,861	76,648,791	47,630,000	1,013,000	2,277,376
36	Feb 5, 2026 05:03	5,865	75,516,350	47,669,000	1,014,000	2,273,280
37	Feb 5, 2026 05:01	5,877	73,696,390	46,788,000	1,990,000	2,281,472
38	Feb 5, 2026 05:02	5,877	72,924,420	47,782,000	995,000	2,441,216
39	Feb 5, 2026 05:03	5,882	72,895,484	45,832,000	2,989,000	2,449,408
40	Feb 5, 2026 05:02	5,883	74,383,360	46,834,000	1,992,000	2,445,312
41	Feb 5, 2026 05:03	5,884	70,649,930	46,841,000	1,993,000	2,273,280
42	Feb 5, 2026 05:03	5,892	74,033,887	46,907,000	1,996,000	2,449,408
43	Feb 5, 2026 05:02	5,899	74,044,647	46,966,000	1,998,000	2,273,280
44	Feb 5, 2026 05:01	5,899	71,231,390	46,960,000	1,998,000	2,441,216
45	Feb 5, 2026 05:02	5,904	74,816,248	47,003,000	2,000,000	2,527,232
46	Feb 5, 2026 05:02	5,906	74,057,123	47,022,000	2,000,000	2,445,312
47	Feb 5, 2026 05:03	5,907	70,762,408	47,030,000	2,001,000	2,437,120
48	Feb 5, 2026 05:04	5,908	73,145,384	47,034,000	2,001,000	2,449,408
49	Feb 5, 2026 05:03	5,912	74,637,247	48,066,000	1,001,000	2,285,568
50	Feb 5, 2026 05:02	5,913	72,104,574	47,079,000	2,003,000	2,445,312
51	Feb 5, 2026 05:02	5,928	74,469,024	47,196,000	2,008,000	2,441,216
52	Feb 5, 2026 05:04	5,934	82,343,580	47,240,000	2,010,000	2,285,568
53	Feb 5, 2026 05:04	5,944	76,323,161	48,332,000	1,006,000	2,441,216
54	Feb 5, 2026 05:03	5,951	71,317,759	48,385,000	1,008,000	2,441,216
55	Feb 5, 2026 05:03	5,963	73,186,591	48,482,000	1,010,000	2,273,280
56	Feb 5, 2026 05:02	5,963	75,753,781	48,485,000	1,010,000	2,281,472
57	Feb 5, 2026 05:03	5,966	70,529,596	48,504,000	1,010,000	2,441,216
58	Feb 5, 2026 05:03	6,001	76,480,186	47,817,000	1,992,000	2,285,568
59	Feb 5, 2026 05:03	6,005	73,773,053	47,846,000	1,993,000	2,285,568
60	Feb 5, 2026 05:03	6,032	75,617,959	48,066,000	2,002,000	2,433,024
61	Feb 5, 2026 05:03	6,040	74,663,911	48,126,000	2,005,000	2,285,568
62	Feb 5, 2026 05:03	6,045	73,812,064	48,165,000	2,006,000	2,445,312
63	Feb 5, 2026 05:03	6,058	69,475,954	50,284,000	0	2,285,568
64	Feb 5, 2026 05:02	6,073	74,684,059	48,386,000	2,016,000	2,437,120
65	Feb 5, 2026 05:03	6,099	74,969,205	49,612,000	1,012,000	2,445,312
66	Feb 5, 2026 05:02	8,711	91,294,399	71,297,000	1,004,000	2,441,216

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