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 13:36

Grace

Score: 5,336

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 13:36	5,310	70,086,300	42,069,000	2,003,000	2,273,280
2	Jun 4, 2024 13:36	5,316	115,289,095	44,122,783	0	2,285,568
3	Jun 4, 2024 13:36	5,317	69,746,001	42,128,000	2,006,000	2,273,280
4	Jun 4, 2024 13:36	5,317	72,854,686	42,125,000	2,005,000	2,392,064
5	Jun 4, 2024 13:36	5,319	67,712,729	42,144,000	2,006,000	2,400,256
6	Jun 4, 2024 13:36	5,319	113,631,959	44,147,984	0	2,293,760
7	Jun 4, 2024 13:36	5,321	71,072,291	42,155,000	2,007,000	2,273,280
8	Jun 4, 2024 13:36	5,323	127,155,287	44,177,069	0	2,281,472
9	Jun 4, 2024 13:36	5,324	68,106,488	42,185,000	2,008,000	2,273,280
10	Jun 4, 2024 13:36	5,324	66,707,582	42,178,000	2,008,000	2,392,064
11	Jun 4, 2024 13:36	5,325	124,655,225	44,197,838	0	2,281,472
12	Jun 4, 2024 13:36	5,326	65,860,100	42,193,000	2,009,000	2,396,160
13	Jun 4, 2024 13:36	5,326	72,817,740	42,197,000	2,009,000	2,273,280
14	Jun 4, 2024 13:36	5,326	61,253,343	42,197,000	2,009,000	2,519,040
15	Jun 4, 2024 13:36	5,327	67,807,201	43,213,000	1,004,000	2,510,848
16	Jun 4, 2024 13:36	5,327	65,253,335	43,211,000	1,004,000	2,273,280
17	Jun 4, 2024 13:36	5,329	107,859,501	44,233,350	0	2,289,664
18	Jun 4, 2024 13:36	5,330	66,768,889	42,229,000	2,010,000	2,498,560
19	Jun 4, 2024 13:36	5,330	67,530,191	42,227,000	2,010,000	2,273,280
20	Jun 4, 2024 13:36	5,331	66,825,155	42,235,000	2,011,000	2,265,088
21	Jun 4, 2024 13:36	5,332	74,706,297	42,245,000	2,011,000	2,273,280
22	Jun 4, 2024 13:36	5,333	74,641,422	42,252,000	2,012,000	2,273,280
23	Jun 4, 2024 13:36	5,333	67,862,268	44,267,000	0	2,400,256
24	Jun 4, 2024 13:36	5,334	109,282,935	44,270,286	0	2,285,568
25	Jun 4, 2024 13:36	5,336	65,234,939	44,292,000	0	2,273,280
26	Jun 4, 2024 13:36	5,341	120,380,615	44,326,895	0	2,281,472
27	Jun 4, 2024 13:36	5,342	70,958,174	43,334,000	1,007,000	2,273,280
28	Jun 4, 2024 13:36	5,345	71,580,247	43,356,000	1,008,000	2,273,280
29	Jun 4, 2024 13:36	5,347	69,190,040	43,374,000	1,008,000	2,396,160
30	Jun 4, 2024 13:36	5,349	67,502,803	44,398,000	0	2,404,352
31	Jun 4, 2024 13:36	5,352	76,818,742	43,414,000	1,009,000	2,396,160
32	Jun 4, 2024 13:36	5,362	70,278,471	43,490,000	1,011,000	2,273,280
33	Jun 4, 2024 13:36	5,368	117,221,137	44,550,254	0	2,289,664
34	Jun 4, 2024 13:36	5,371	106,551,039	44,575,298	0	2,281,472
35	Jun 4, 2024 13:36	5,381	118,034,724	44,665,869	0	2,297,856
36	Jun 4, 2024 13:36	5,382	102,752,269	44,672,005	0	2,285,568
37	Jun 4, 2024 13:36	5,395	111,727,236	44,780,903	0	2,277,376
38	Jun 4, 2024 13:36	5,434	71,197,554	43,101,000	2,004,000	2,396,160
39	Jun 4, 2024 13:36	5,470	75,943,151	45,405,000	0	2,273,280
40	Jun 4, 2024 13:36	6,430	73,344,693	52,361,000	1,006,000	2,273,280
41	Jun 4, 2024 13:36	6,503	75,948,657	52,973,000	999,000	2,506,752
42	Jun 4, 2024 13:36	6,504	76,703,296	51,983,000	1,999,000	2,473,984
43	Jun 4, 2024 13:36	6,538	77,110,957	52,259,000	2,009,000	2,273,280
44	Jun 4, 2024 13:36	6,549	79,783,039	53,350,000	1,006,000	2,396,160
45	Jun 4, 2024 13:36	6,549	84,557,181	54,358,000	0	2,387,968
46	Jun 4, 2024 13:36	6,559	76,312,014	53,433,000	1,008,000	2,400,256
47	Jun 4, 2024 13:36	6,568	76,287,887	54,518,000	0	2,277,376
48	Jun 4, 2024 13:36	6,619	81,071,979	53,939,000	998,000	2,273,280

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