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 4, 2024 04:00

Grace

Score: 5,173

Success

Source Code

Source code access is restricted. Log in to request access.

Challenge History

No challenges yet.

Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 4, 2024 04:00	5,133	68,428,360	42,600,000	0	2,273,280
2	Jun 4, 2024 04:00	5,142	68,669,417	42,681,000	0	2,273,280
3	Jun 4, 2024 04:00	5,143	69,239,514	41,693,000	992,000	2,273,280
4	Jun 4, 2024 04:00	5,144	69,055,362	42,695,000	0	2,396,160
5	Jun 4, 2024 04:00	5,145	67,694,601	41,686,000	1,016,000	2,273,280
6	Jun 4, 2024 04:00	5,146	69,248,959	42,708,000	0	2,273,280
7	Jun 4, 2024 04:00	5,154	71,305,389	41,787,000	994,000	2,273,280
8	Jun 4, 2024 04:00	5,157	66,832,031	42,803,000	0	2,400,256
9	Jun 4, 2024 04:00	5,159	70,857,403	40,831,000	1,991,000	2,400,256
10	Jun 4, 2024 04:00	5,160	67,102,568	40,836,000	1,992,000	2,273,280
11	Jun 4, 2024 04:00	5,160	71,508,027	42,825,000	0	2,273,280
12	Jun 4, 2024 04:00	5,161	72,476,528	42,833,000	0	2,273,280
13	Jun 4, 2024 04:00	5,161	68,697,773	40,845,000	1,992,000	2,273,280
14	Jun 4, 2024 04:00	5,162	70,687,709	40,850,000	1,992,000	2,273,280
15	Jun 4, 2024 04:00	5,162	71,780,317	41,851,000	996,000	2,400,256
16	Jun 4, 2024 04:00	5,162	66,787,180	40,852,000	1,992,000	2,400,256
17	Jun 4, 2024 04:00	5,162	74,289,523	41,848,000	996,000	2,273,280
18	Jun 4, 2024 04:00	5,163	69,455,966	42,849,000	0	2,273,280
19	Jun 4, 2024 04:00	5,163	72,512,770	41,857,000	996,000	2,273,280
20	Jun 4, 2024 04:00	5,163	65,061,949	41,860,000	996,000	2,273,280
21	Jun 4, 2024 04:00	5,164	72,008,404	41,867,000	996,000	2,396,160
22	Jun 4, 2024 04:00	5,164	67,789,478	40,868,000	1,993,000	2,273,280
23	Jun 4, 2024 04:00	5,165	67,285,586	40,878,000	1,994,000	2,396,160
24	Jun 4, 2024 04:00	5,166	65,139,078	40,886,000	1,994,000	2,273,280
25	Jun 4, 2024 04:00	5,173	63,774,584	40,939,000	1,997,000	2,392,064
26	Jun 4, 2024 04:00	5,179	70,657,373	41,990,000	999,000	2,273,280
27	Jun 4, 2024 04:00	5,186	66,307,365	42,042,000	1,001,000	2,400,256
28	Jun 4, 2024 04:00	5,381	119,409,061	44,663,570	0	2,285,568
29	Jun 4, 2024 04:00	5,382	114,200,671	44,670,399	0	2,285,568
30	Jun 4, 2024 03:59	5,384	103,916,602	44,687,827	0	2,289,664
31	Jun 4, 2024 04:00	5,392	123,118,525	44,757,509	0	2,285,568
32	Jun 4, 2024 03:59	5,398	121,638,689	44,799,451	0	2,289,664
33	Jun 4, 2024 04:00	5,398	137,165,805	44,801,351	0	2,285,568
34	Jun 4, 2024 04:00	5,401	115,012,905	44,832,338	0	2,289,664
35	Jun 4, 2024 04:00	5,410	118,159,185	44,899,340	0	2,285,568
36	Jun 4, 2024 04:00	5,411	123,050,488	44,909,759	0	2,285,568
37	Jun 4, 2024 04:00	5,421	112,698,961	44,990,308	0	2,289,664
38	Jun 4, 2024 03:59	5,438	100,905,170	45,135,426	0	2,281,472
39	Jun 4, 2024 04:00	5,486	104,435,438	45,537,464	0	2,273,280
40	Jun 4, 2024 04:00	6,085	76,501,775	49,492,000	1,010,000	2,273,280
41	Jun 4, 2024 04:00	6,090	80,100,245	50,545,000	0	2,400,256
42	Jun 4, 2024 04:00	6,096	79,207,915	50,600,000	0	2,273,280
43	Jun 4, 2024 04:00	6,122	81,462,871	50,814,000	0	2,273,280
44	Jun 4, 2024 04:00	6,123	77,416,064	49,821,000	996,000	2,400,256
45	Jun 4, 2024 04:00	6,123	78,283,383	49,822,000	996,000	2,404,352
46	Jun 4, 2024 04:00	6,124	78,197,022	48,835,000	1,993,000	2,400,256
47	Jun 4, 2024 04:00	6,125	81,054,709	48,845,000	1,993,000	2,273,280
48	Jun 4, 2024 04:00	6,130	76,475,080	48,885,000	1,995,000	2,273,280

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