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 7, 2024 17:06

GraceScore: 3,804Success

Source Code

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Challenge History

Date	Challenger	Cost	Type	Status
Apr 27, 2026 02:41	wn	10.00	Custom	Solution Held

Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 7, 2024 17:08	3,677	56,120,450	29,501,000	1,017,000	2,273,280
2	Jun 7, 2024 17:07	3,684	57,250,563	29,558,000	1,019,000	2,392,064
3	Jun 7, 2024 17:08	3,687	63,779,584	29,584,000	1,020,000	2,273,280
4	Jun 7, 2024 17:08	3,690	56,304,152	30,630,000	0	2,273,280
5	Jun 7, 2024 17:08	3,692	58,672,512	29,621,000	1,021,000	2,396,160
6	Jun 7, 2024 17:08	3,693	56,647,483	29,629,000	1,021,000	2,273,280
7	Jun 7, 2024 17:08	3,694	59,690,150	29,642,000	1,022,000	2,392,064
8	Jun 7, 2024 17:08	3,696	61,080,301	29,654,000	1,022,000	2,273,280
9	Jun 7, 2024 17:08	3,699	58,982,501	29,679,000	1,023,000	2,273,280
10	Jun 7, 2024 17:08	3,715	58,901,848	28,847,000	1,989,000	2,383,872
11	Jun 7, 2024 17:08	3,716	56,404,578	28,851,000	1,989,000	2,387,968
12	Jun 7, 2024 17:08	3,717	61,402,388	28,864,000	1,990,000	2,396,160
13	Jun 7, 2024 17:07	3,718	59,685,127	28,866,000	1,990,000	2,273,280
14	Jun 7, 2024 17:07	3,724	55,294,779	29,911,000	997,000	2,273,280
15	Jun 7, 2024 17:06	3,724	58,136,888	28,918,000	1,994,000	2,273,280
16	Jun 7, 2024 17:07	3,727	57,563,761	28,938,000	1,995,000	2,273,280
17	Jun 7, 2024 17:08	3,740	53,895,821	30,043,000	1,001,000	2,506,752
18	Jun 7, 2024 17:06	3,740	58,190,413	29,038,000	2,002,000	2,273,280
19	Jun 7, 2024 17:07	3,745	53,116,790	29,082,000	2,005,000	2,273,280
20	Jun 7, 2024 17:08	3,749	58,920,122	30,113,000	1,003,000	2,273,280
21	Jun 7, 2024 17:08	3,754	52,022,129	30,154,000	1,005,000	2,273,280
22	Jun 7, 2024 17:07	3,759	55,996,267	29,188,000	2,013,000	2,273,280
23	Jun 7, 2024 17:08	3,762	52,033,450	30,221,000	1,007,000	2,273,280
24	Jun 7, 2024 17:08	3,769	53,827,807	29,266,000	2,018,000	2,273,280
25	Jun 7, 2024 17:08	3,770	56,264,276	29,275,000	2,018,000	2,400,256
26	Jun 7, 2024 17:07	3,770	57,305,128	29,275,000	2,018,000	2,273,280
27	Jun 7, 2024 17:08	3,772	55,877,598	30,300,000	1,010,000	2,392,064
28	Jun 7, 2024 17:07	3,774	57,468,159	30,316,000	1,010,000	2,273,280
29	Jun 7, 2024 17:08	3,775	61,653,538	29,313,000	2,021,000	2,396,160
30	Jun 7, 2024 17:07	3,775	54,963,365	29,310,000	2,021,000	2,273,280
31	Jun 7, 2024 17:07	3,776	60,596,725	29,317,000	2,021,000	2,396,160
32	Jun 7, 2024 17:06	3,777	51,256,536	29,326,000	2,022,000	2,387,968
33	Jun 7, 2024 17:08	3,777	60,125,756	31,346,000	0	2,273,280
34	Jun 7, 2024 17:07	3,778	60,951,992	29,334,000	2,023,000	2,273,280
35	Jun 7, 2024 17:08	3,779	60,883,210	29,339,000	2,023,000	2,396,160
36	Jun 7, 2024 17:08	3,779	53,622,602	29,345,000	2,023,000	2,392,064
37	Jun 7, 2024 17:08	3,780	58,074,356	29,351,000	2,024,000	2,392,064
38	Jun 7, 2024 17:07	3,782	55,629,009	29,367,000	2,025,000	2,396,160
39	Jun 7, 2024 17:08	3,783	51,111,766	29,372,000	2,025,000	2,273,280
40	Jun 7, 2024 17:07	3,783	54,982,091	31,402,000	0	2,273,280
41	Jun 7, 2024 17:07	3,784	52,010,235	31,405,000	0	2,400,256
42	Jun 7, 2024 17:08	3,785	53,882,271	30,399,000	1,013,000	2,396,160
43	Jun 7, 2024 17:08	3,785	64,880,556	30,401,000	1,013,000	2,273,280
44	Jun 7, 2024 17:06	3,785	53,376,201	30,404,000	1,013,000	2,273,280
45	Jun 7, 2024 17:08	3,789	52,640,321	31,449,000	0	2,273,280
46	Jun 7, 2024 17:08	3,790	56,625,884	31,459,000	0	2,392,064
47	Jun 7, 2024 17:07	3,790	54,290,651	31,455,000	0	2,273,280
48	Jun 7, 2024 17:08	3,791	54,041,550	31,465,000	0	2,273,280
49	Jun 7, 2024 17:06	3,793	54,766,160	30,468,000	1,015,000	2,379,776
50	Jun 7, 2024 17:07	3,794	48,189,802	31,492,000	0	2,273,280
51	Jun 7, 2024 17:07	3,795	60,172,061	30,481,000	1,016,000	2,396,160
52	Jun 7, 2024 17:06	3,795	51,341,746	30,483,000	1,016,000	2,273,280
53	Jun 7, 2024 17:07	3,797	56,853,974	30,498,000	1,016,000	2,273,280
54	Jun 7, 2024 17:08	3,803	53,559,020	31,566,000	0	2,392,064
55	Jun 7, 2024 17:07	3,803	52,940,215	31,567,000	0	2,387,968
56	Jun 7, 2024 17:08	3,804	56,734,290	30,552,000	1,018,000	2,387,968
57	Jun 7, 2024 17:07	3,805	57,637,381	31,582,000	0	2,273,280
58	Jun 7, 2024 17:07	3,805	57,828,941	30,566,000	1,018,000	2,273,280
59	Jun 7, 2024 17:06	3,805	58,686,029	30,565,000	1,018,000	2,273,280
60	Jun 7, 2024 17:07	3,807	57,197,732	30,575,000	1,019,000	2,273,280
61	Jun 7, 2024 17:06	3,807	56,301,188	30,580,000	1,019,000	2,273,280
62	Jun 7, 2024 17:08	3,808	56,715,015	31,604,000	0	2,506,752
63	Jun 7, 2024 17:08	3,809	61,560,931	30,594,000	1,019,000	2,273,280
64	Jun 7, 2024 17:08	3,809	59,722,564	30,599,000	1,019,000	2,396,160
65	Jun 7, 2024 17:07	3,809	56,222,066	31,615,000	0	2,392,064
66	Jun 7, 2024 17:08	3,810	58,302,832	31,623,000	0	2,273,280
67	Jun 7, 2024 17:06	3,812	55,420,786	30,619,000	1,020,000	2,392,064
68	Jun 7, 2024 17:08	3,817	56,673,803	31,681,000	0	2,502,656
69	Jun 7, 2024 17:08	3,818	60,711,326	30,666,000	1,022,000	2,392,064
70	Jun 7, 2024 17:06	3,818	58,755,540	31,689,000	0	2,273,280
71	Jun 7, 2024 17:08	3,820	56,966,238	30,720,000	990,000	2,383,872
72	Jun 7, 2024 17:07	3,820	58,625,495	31,710,000	0	2,273,280
73	Jun 7, 2024 17:06	3,821	58,819,755	30,691,000	1,023,000	2,273,280
74	Jun 7, 2024 17:08	3,835	60,452,280	29,841,000	1,989,000	2,392,064
75	Jun 7, 2024 17:07	3,835	60,759,289	30,840,000	994,000	2,273,280
76	Jun 7, 2024 17:08	3,836	62,546,893	29,847,000	1,989,000	2,273,280
77	Jun 7, 2024 17:08	3,837	59,533,655	30,851,000	995,000	2,392,064
78	Jun 7, 2024 17:07	3,837	58,813,488	29,859,000	1,990,000	2,273,280
79	Jun 7, 2024 17:08	3,838	54,802,416	31,857,000	0	2,273,280
80	Jun 7, 2024 17:07	3,838	57,002,767	30,861,000	995,000	2,482,176
81	Jun 7, 2024 17:07	3,838	56,197,731	29,866,000	1,991,000	2,387,968
82	Jun 7, 2024 17:06	3,839	50,032,211	29,873,000	1,991,000	2,502,656
83	Jun 7, 2024 17:07	3,848	58,304,644	29,946,000	1,996,000	2,400,256
84	Jun 7, 2024 17:07	3,863	55,698,146	30,062,000	2,004,000	2,273,280
85	Jun 7, 2024 17:07	3,869	58,757,531	31,112,000	1,003,000	2,392,064
86	Jun 7, 2024 17:07	3,879	55,978,941	30,181,000	2,012,000	2,273,280
87	Jun 7, 2024 17:07	3,959	56,495,386	30,865,000	1,991,000	2,383,872
88	Jun 7, 2024 17:07	4,015	109,396,146	33,323,622	0	2,285,568
89	Jun 7, 2024 17:08	4,016	113,542,780	33,332,876	0	2,277,376
90	Jun 7, 2024 17:08	4,016	98,010,019	33,332,610	0	2,269,184
91	Jun 7, 2024 17:08	4,025	105,392,639	33,406,680	0	2,281,472
92	Jun 7, 2024 17:07	4,032	115,489,200	33,468,708	0	2,277,376
93	Jun 7, 2024 17:08	4,040	93,488,378	33,529,868	0	2,273,280
94	Jun 7, 2024 17:07	4,057	102,147,877	33,673,469	0	2,277,376
95	Jun 7, 2024 17:07	4,058	102,194,275	33,682,891	0	2,273,280
96	Jun 7, 2024 17:07	4,062	95,752,990	33,713,945	0	2,281,472
97	Jun 7, 2024 17:08	4,063	95,926,961	33,726,421	0	2,281,472
98	Jun 7, 2024 17:08	4,067	107,934,476	33,759,853	0	2,277,376
99	Jun 7, 2024 17:08	4,067	119,358,524	33,755,092	0	2,277,376
100	Jun 7, 2024 17:07	4,081	90,263,339	33,871,572	0	2,273,280
101	Jun 7, 2024 17:06	4,092	123,727,300	33,963,852	0	2,269,184
102	Jun 7, 2024 17:08	4,092	106,287,224	33,963,072	0	2,281,472
103	Jun 7, 2024 17:07	4,093	89,434,271	33,972,865	0	2,273,280
104	Jun 7, 2024 17:07	4,102	108,410,093	34,044,436	0	2,277,376
105	Jun 7, 2024 17:06	4,111	95,073,942	34,125,331	0	2,281,472
106	Jun 7, 2024 17:07	4,113	100,047,300	34,135,775	0	2,400,256
107	Jun 7, 2024 17:06	4,130	92,984,826	34,276,011	0	2,281,472
108	Jun 7, 2024 17:07	4,134	109,716,991	34,312,480	0	2,273,280
109	Jun 7, 2024 17:07	4,134	95,870,627	34,310,412	0	2,273,280
110	Jun 7, 2024 17:08	4,161	97,052,936	34,534,961	0	2,281,472
111	Jun 7, 2024 17:07	4,183	98,333,645	34,717,016	0	2,265,088

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