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 listJun 11, 2021 11:14

Dmitry Dolgopolov

Score: 27,622

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 11, 2021 11:13	27,583	256,501,968	226,939,000	1,999,000	2,527,232
2	Jun 11, 2021 11:14	27,584	256,227,466	226,952,000	1,999,000	2,527,232
3	Jun 11, 2021 11:13	27,586	256,651,778	226,964,000	1,999,000	2,527,232
4	Jun 11, 2021 11:14	27,588	250,909,814	226,978,000	1,999,000	2,527,232
5	Jun 11, 2021 11:13	27,589	255,820,344	226,989,000	1,999,000	2,527,232
6	Jun 11, 2021 11:14	27,589	250,288,807	226,986,000	1,999,000	2,523,136
7	Jun 11, 2021 11:13	27,590	252,745,985	227,001,000	2,000,000	2,453,504
8	Jun 11, 2021 11:13	27,591	251,272,041	227,004,000	2,000,000	2,527,232
9	Jun 11, 2021 11:13	27,593	251,999,883	227,021,000	2,000,000	2,527,232
10	Jun 11, 2021 11:13	27,593	248,400,175	227,026,000	2,000,000	2,437,120
11	Jun 11, 2021 11:13	27,598	249,624,544	227,065,000	2,000,000	2,527,232
12	Jun 11, 2021 11:13	27,599	252,136,993	227,071,000	2,000,000	2,527,232
13	Jun 11, 2021 11:13	27,600	253,189,142	227,077,000	2,000,000	2,527,232
14	Jun 11, 2021 11:14	27,600	256,197,231	227,084,000	2,000,000	2,445,312
15	Jun 11, 2021 11:13	27,602	251,923,491	227,093,000	2,000,000	2,445,312
16	Jun 11, 2021 11:13	27,605	249,238,691	227,118,000	2,001,000	2,527,232
17	Jun 11, 2021 11:13	27,606	253,049,504	227,128,000	2,001,000	2,441,216
18	Jun 11, 2021 11:13	27,608	256,516,382	227,148,000	2,001,000	2,441,216
19	Jun 11, 2021 11:13	27,610	259,043,682	227,160,000	2,001,000	2,527,232
20	Jun 11, 2021 11:13	27,611	247,696,131	228,172,000	1,000,000	2,527,232
21	Jun 11, 2021 11:14	27,617	253,941,218	228,218,000	1,000,000	2,527,232
22	Jun 11, 2021 11:13	27,619	253,498,260	227,239,000	2,002,000	2,527,232
23	Jun 11, 2021 11:13	27,620	251,717,017	227,240,000	2,002,000	2,527,232
24	Jun 11, 2021 11:14	27,620	254,932,350	228,242,000	1,001,000	2,453,504
25	Jun 11, 2021 11:14	27,622	249,802,781	228,262,000	1,001,000	2,453,504
26	Jun 11, 2021 11:13	27,622	252,646,930	228,258,000	1,001,000	2,527,232
27	Jun 11, 2021 11:13	27,625	253,639,943	228,284,000	1,001,000	2,441,216
28	Jun 11, 2021 11:13	27,628	254,560,770	228,308,000	1,001,000	2,527,232
29	Jun 11, 2021 11:13	27,628	252,626,803	228,315,000	1,001,000	2,527,232
30	Jun 11, 2021 11:14	27,630	255,280,030	228,330,000	1,001,000	2,453,504
31	Jun 11, 2021 11:13	27,631	250,996,704	228,340,000	1,001,000	2,527,232
32	Jun 11, 2021 11:13	27,632	250,117,055	228,348,000	1,001,000	2,523,136
33	Jun 11, 2021 11:13	27,632	253,731,647	228,345,000	1,001,000	2,527,232
34	Jun 11, 2021 11:13	27,634	252,221,217	229,365,000	0	2,527,232
35	Jun 11, 2021 11:13	27,640	255,701,809	228,407,000	1,001,000	2,527,232
36	Jun 11, 2021 11:14	27,640	258,166,731	228,416,000	997,000	2,437,120
37	Jun 11, 2021 11:13	27,908	286,879,011	231,639,478	0	2,199,552
38	Jun 11, 2021 11:13	27,908	284,552,018	231,635,098	0	2,195,456
39	Jun 11, 2021 11:13	27,909	289,152,257	231,642,913	0	2,207,744
40	Jun 11, 2021 11:13	27,910	293,601,849	231,652,240	0	2,191,360
41	Jun 11, 2021 11:14	27,911	293,460,168	231,665,129	0	2,191,360
42	Jun 11, 2021 11:14	27,911	292,709,777	231,657,446	0	2,191,360
43	Jun 11, 2021 11:13	27,911	300,336,563	231,665,154	0	2,183,168
44	Jun 11, 2021 11:13	27,913	291,041,501	231,678,645	0	2,195,456
45	Jun 11, 2021 11:14	27,914	287,956,869	231,685,631	0	2,195,456
46	Jun 11, 2021 11:13	27,915	297,273,340	231,697,940	0	2,199,552
47	Jun 11, 2021 11:13	27,915	295,821,949	231,698,191	0	2,203,648
48	Jun 11, 2021 11:13	27,922	296,966,763	231,749,207	0	2,187,264

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