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.

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Mar 6, 2026 22:16	4,317	59,564,305	34,835,000	995,000	2,486,272
2	Mar 6, 2026 21:47	4,323	54,973,951	33,889,000	1,993,000	2,486,272
3	Mar 6, 2026 21:54	4,327	57,687,521	33,918,000	1,995,000	2,273,280
4	Mar 6, 2026 21:46	4,327	58,828,124	33,918,000	1,995,000	2,494,464
5	Mar 6, 2026 21:54	4,328	61,100,043	33,926,000	1,995,000	2,490,368
6	Mar 6, 2026 22:16	4,330	63,350,833	33,942,000	1,996,000	2,273,280
7	Mar 6, 2026 21:57	4,331	54,748,799	33,953,000	1,997,000	2,531,328
8	Mar 6, 2026 21:46	4,337	58,902,769	33,998,000	1,999,000	2,273,280
9	Mar 6, 2026 21:54	4,341	58,938,766	34,026,000	2,001,000	2,502,656
10	Mar 6, 2026 21:52	4,342	62,111,800	34,039,000	2,002,000	2,498,560
11	Mar 6, 2026 21:57	4,343	59,515,756	34,042,000	2,002,000	2,273,280
12	Mar 6, 2026 21:52	4,343	57,269,120	34,049,000	2,002,000	2,273,280
13	Mar 6, 2026 22:14	4,343	58,934,708	34,049,000	2,002,000	2,273,280
14	Mar 6, 2026 21:50	4,345	63,562,972	35,061,000	1,001,000	2,502,656
15	Mar 6, 2026 21:50	4,345	56,108,427	34,062,000	2,003,000	2,273,280
16	Mar 6, 2026 22:16	4,346	60,502,174	34,068,000	2,004,000	2,498,560
17	Mar 6, 2026 21:48	4,346	55,468,061	34,069,000	2,004,000	2,494,464
18	Mar 7, 2026 14:00	4,347	57,969,679	34,072,000	2,004,000	2,527,232
19	Mar 6, 2026 21:57	4,347	60,254,640	34,075,000	2,004,000	2,494,464
20	Mar 6, 2026 21:52	4,347	57,786,774	34,075,000	2,004,000	2,273,280
21	Mar 6, 2026 21:57	4,347	54,866,690	34,076,000	2,004,000	2,498,560
22	Mar 6, 2026 21:55	4,350	57,094,580	34,100,000	2,005,000	2,273,280
23	Mar 7, 2026 14:00	4,354	61,630,307	34,134,000	2,007,000	2,273,280
24	Mar 6, 2026 22:16	4,354	54,938,962	34,135,000	2,007,000	2,527,232
25	Mar 6, 2026 21:51	4,354	61,128,977	34,135,000	2,007,000	2,273,280
26	Mar 6, 2026 21:54	4,355	58,797,583	34,137,000	2,008,000	2,494,464
27	Mar 6, 2026 21:46	4,355	57,816,242	34,137,000	2,008,000	2,273,280
28	Mar 6, 2026 21:46	4,355	64,467,320	34,141,000	2,008,000	2,273,280
29	Mar 6, 2026 21:54	4,356	61,459,030	34,146,000	2,008,000	2,498,560
30	Mar 6, 2026 22:17	4,356	60,288,370	34,143,000	2,008,000	2,273,280
31	Mar 6, 2026 21:56	4,357	59,325,502	34,155,000	2,009,000	2,273,280
32	Mar 6, 2026 21:47	4,361	59,840,792	34,186,000	2,010,000	2,490,368
33	Mar 6, 2026 21:52	4,362	57,480,150	34,192,000	2,011,000	2,486,272
34	Mar 6, 2026 22:16	4,362	54,069,974	34,194,000	2,011,000	2,273,280
35	Mar 6, 2026 21:51	4,362	58,620,444	34,191,000	2,011,000	2,494,464
36	Mar 6, 2026 21:56	4,363	54,901,498	34,200,000	2,011,000	2,490,368
37	Mar 6, 2026 21:48	4,365	65,625,192	34,220,000	2,012,000	2,273,280
38	Mar 6, 2026 21:51	4,366	59,207,815	34,225,000	2,013,000	2,490,368
39	Mar 6, 2026 21:46	4,367	58,106,213	34,236,000	2,013,000	2,498,560
40	Mar 6, 2026 22:14	4,367	62,596,224	34,230,000	2,013,000	2,273,280
41	Mar 6, 2026 21:51	4,370	59,408,829	34,255,000	2,015,000	2,273,280
42	Mar 6, 2026 21:46	4,371	62,763,537	34,261,000	2,015,000	2,494,464
43	Mar 6, 2026 22:03	4,372	56,114,360	34,275,000	2,016,000	2,498,560
44	Mar 6, 2026 22:03	4,373	55,832,383	35,285,000	1,008,000	2,498,560
45	Mar 6, 2026 22:17	4,375	61,884,601	35,308,000	1,008,000	2,498,560
46	Mar 6, 2026 22:16	4,377	58,181,168	35,320,000	1,009,000	2,494,464
47	Mar 6, 2026 22:16	4,377	57,679,333	35,316,000	1,009,000	2,273,280
48	Mar 6, 2026 21:55	4,379	61,251,682	35,336,000	1,009,000	2,273,280
49	Mar 6, 2026 21:55	4,380	54,892,455	35,344,000	1,009,000	2,273,280
50	Mar 6, 2026 21:57	4,382	56,507,476	35,359,000	1,010,000	2,273,280
51	Mar 6, 2026 21:57	4,383	60,952,270	35,367,000	1,010,000	2,273,280
52	Mar 6, 2026 21:51	4,383	57,278,274	35,372,000	1,010,000	2,273,280
53	Mar 6, 2026 21:46	4,383	65,146,703	35,365,000	1,010,000	2,273,280
54	Mar 6, 2026 21:57	4,383	57,292,387	35,367,000	1,010,000	2,273,280
55	Mar 6, 2026 21:46	4,384	56,144,635	35,380,000	1,010,000	2,273,280
56	Mar 6, 2026 21:52	4,390	62,303,337	35,422,000	1,012,000	2,273,280
57	Mar 6, 2026 21:48	4,391	55,790,750	35,436,000	1,012,000	2,494,464
58	Mar 6, 2026 22:03	4,391	56,706,143	35,430,000	1,012,000	2,273,280
59	Mar 6, 2026 22:16	4,397	56,132,945	35,478,000	1,013,000	2,273,280
60	Mar 6, 2026 21:50	4,397	61,316,527	35,481,000	1,013,000	2,494,464
61	Mar 6, 2026 22:17	4,398	66,223,897	35,488,000	1,013,000	2,490,368
62	Mar 6, 2026 21:57	4,399	58,519,076	35,494,000	1,014,000	2,498,560
63	Mar 6, 2026 21:47	4,399	57,743,873	35,498,000	1,014,000	2,494,464
64	Mar 6, 2026 21:52	4,400	56,612,046	35,510,000	1,014,000	2,273,280
65	Mar 7, 2026 14:00	4,407	61,637,133	35,564,000	1,016,000	2,494,464
66	Mar 6, 2026 21:32	4,414	65,050,294	35,618,000	1,017,000	2,273,280
67	Mar 6, 2026 21:57	4,417	66,214,688	35,640,000	1,018,000	2,498,560
68	Mar 6, 2026 22:13	4,419	62,754,896	35,657,000	1,018,000	2,531,328
69	Mar 6, 2026 21:31	4,419	63,670,522	35,656,000	1,018,000	2,273,280
70	Mar 6, 2026 22:13	4,425	63,597,799	34,743,000	1,985,000	2,273,280
71	Mar 6, 2026 21:54	4,434	61,484,136	35,809,000	994,000	2,490,368
72	Mar 6, 2026 21:54	4,438	61,908,050	34,845,000	1,991,000	2,490,368
73	Mar 6, 2026 21:31	4,438	63,807,571	34,843,000	1,991,000	2,498,560
74	Mar 6, 2026 22:13	4,439	61,308,080	34,851,000	1,991,000	2,273,280
75	Mar 6, 2026 21:56	4,439	62,226,224	35,847,000	995,000	2,523,136
76	Mar 6, 2026 21:54	4,440	59,285,328	34,863,000	1,992,000	2,498,560
77	Mar 6, 2026 22:16	4,440	58,184,439	35,829,000	1,023,000	2,273,280
78	Mar 6, 2026 21:32	4,441	65,999,693	34,866,000	1,992,000	2,494,464
79	Mar 6, 2026 21:31	4,454	62,319,918	34,967,000	1,998,000	2,273,280
80	Mar 6, 2026 21:54	4,471	61,223,161	35,105,000	2,006,000	2,498,560
81	Mar 6, 2026 21:32	4,478	62,562,519	35,162,000	2,009,000	2,498,560
82	Mar 6, 2026 21:46	4,517	58,933,700	36,479,000	1,013,000	2,486,272
83	Mar 6, 2026 22:14	4,878	62,755,658	39,473,000	1,012,000	2,273,280
84	Mar 6, 2026 21:51	10,707	108,328,859	86,870,000	1,997,000	2,273,280

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