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	Jun 7, 2024 16:08	3,793	57,274,399	30,464,000	1,015,000	2,273,280
2	Jun 7, 2024 16:08	3,813	55,806,685	29,605,000	2,041,000	2,482,176
3	Jun 7, 2024 16:07	3,818	58,131,892	28,721,000	2,971,000	2,273,280
4	Jun 7, 2024 16:09	3,827	57,841,721	29,781,000	1,985,000	2,269,184
5	Jun 7, 2024 16:08	3,835	60,165,811	29,844,000	1,989,000	2,486,272
6	Jun 7, 2024 16:07	3,835	60,087,370	29,839,000	1,989,000	2,273,280
7	Jun 7, 2024 16:08	3,837	58,438,134	28,861,000	2,985,000	2,269,184
8	Jun 7, 2024 16:08	3,841	65,923,359	28,890,000	2,988,000	2,375,680
9	Jun 7, 2024 16:09	3,843	60,774,534	29,901,000	1,993,000	2,273,280
10	Jun 7, 2024 16:08	3,843	58,370,476	28,910,000	2,990,000	2,273,280
11	Jun 7, 2024 16:07	3,845	61,494,719	30,917,000	997,000	2,486,272
12	Jun 7, 2024 16:08	3,847	53,957,286	29,938,000	1,995,000	2,490,368
13	Jun 7, 2024 16:07	3,847	57,162,100	29,935,000	1,995,000	2,490,368
14	Jun 7, 2024 16:08	3,849	52,681,437	28,952,000	2,995,000	2,490,368
15	Jun 7, 2024 16:08	3,851	58,634,202	28,967,000	2,996,000	2,478,080
16	Jun 7, 2024 16:08	3,854	59,063,345	29,986,000	1,999,000	2,273,280
17	Jun 7, 2024 16:07	3,860	54,809,417	30,034,000	2,002,000	2,478,080
18	Jun 7, 2024 16:09	3,862	58,658,434	29,053,000	3,005,000	2,482,176
19	Jun 7, 2024 16:07	3,863	53,308,310	29,059,000	3,006,000	2,273,280
20	Jun 7, 2024 16:08	3,865	59,827,913	29,069,000	3,007,000	2,273,280
21	Jun 7, 2024 16:08	3,867	53,751,630	29,084,000	3,008,000	2,490,368
22	Jun 7, 2024 16:08	3,868	57,837,640	31,101,000	1,003,000	2,273,280
23	Jun 7, 2024 16:08	3,869	55,605,690	30,104,000	2,006,000	2,490,368
24	Jun 7, 2024 16:07	3,870	58,206,907	31,121,000	1,003,000	2,273,280
25	Jun 7, 2024 16:09	3,871	59,743,624	30,124,000	2,008,000	2,273,280
26	Jun 7, 2024 16:08	3,873	54,657,501	31,139,000	1,004,000	2,338,816
27	Jun 7, 2024 16:08	3,874	56,581,930	30,143,000	2,009,000	2,490,368
28	Jun 7, 2024 16:08	3,875	55,141,203	29,149,000	3,015,000	2,482,176
29	Jun 7, 2024 16:08	3,876	58,083,647	31,164,000	1,005,000	2,486,272
30	Jun 7, 2024 16:08	3,877	55,589,286	30,169,000	2,011,000	2,482,176
31	Jun 7, 2024 16:08	3,885	57,547,211	30,230,000	2,015,000	2,256,896
32	Jun 7, 2024 16:07	3,886	59,470,858	31,248,000	1,008,000	2,273,280
33	Jun 7, 2024 16:08	3,887	56,662,490	31,254,000	1,008,000	2,510,848
34	Jun 7, 2024 16:07	3,889	57,253,729	31,269,000	1,008,000	2,273,280
35	Jun 7, 2024 16:08	3,891	58,134,034	30,274,000	2,018,000	2,273,280
36	Jun 7, 2024 16:08	3,892	54,147,020	30,282,000	2,018,000	2,482,176
37	Jun 7, 2024 16:08	3,892	60,302,733	29,279,000	3,028,000	2,478,080
38	Jun 7, 2024 16:09	3,894	54,740,106	30,301,000	2,020,000	2,486,272
39	Jun 7, 2024 16:08	3,894	55,006,059	31,308,000	1,009,000	2,478,080
40	Jun 7, 2024 16:08	3,897	60,059,078	29,312,000	3,032,000	2,478,080
41	Jun 7, 2024 16:08	3,900	65,102,347	29,336,000	3,034,000	2,273,280
42	Jun 7, 2024 16:09	3,905	55,862,106	30,388,000	2,025,000	2,273,280
43	Jun 7, 2024 16:08	3,906	53,748,874	29,380,000	3,039,000	2,486,272
44	Jun 7, 2024 16:08	3,907	54,859,964	30,401,000	2,026,000	2,490,368
45	Jun 7, 2024 16:08	3,908	57,677,811	29,393,000	3,040,000	2,273,280
46	Jun 7, 2024 16:07	3,909	54,705,442	31,434,000	1,014,000	2,342,912
47	Jun 7, 2024 16:09	3,910	62,826,677	31,443,000	1,014,000	2,494,464
48	Jun 7, 2024 16:08	3,914	57,533,954	31,471,000	1,015,000	2,273,280
49	Jun 7, 2024 16:08	3,915	52,093,106	31,483,000	1,015,000	2,465,792
50	Jun 7, 2024 16:07	3,916	60,754,652	31,487,000	1,015,000	2,342,912
51	Jun 7, 2024 16:07	3,916	61,739,846	32,504,000	0	2,486,272
52	Jun 7, 2024 16:08	3,917	55,584,584	32,512,000	0	2,338,816
53	Jun 7, 2024 16:07	3,917	54,935,479	31,499,000	1,016,000	2,273,280
54	Jun 7, 2024 16:07	3,923	55,500,271	30,530,000	2,035,000	2,482,176
55	Jun 7, 2024 16:07	3,924	60,935,434	31,550,000	1,017,000	2,490,368
56	Jun 7, 2024 16:08	3,926	59,414,995	30,547,000	2,036,000	2,482,176
57	Jun 7, 2024 16:07	3,927	58,766,268	31,575,000	1,018,000	2,273,280
58	Jun 7, 2024 16:07	3,932	64,609,715	31,618,000	1,019,000	2,482,176
59	Jun 7, 2024 16:09	3,936	58,623,493	31,650,000	1,020,000	2,482,176
60	Jun 7, 2024 16:08	3,939	61,408,068	32,693,000	0	2,494,464
61	Jun 7, 2024 16:08	3,939	59,651,462	31,671,000	1,021,000	2,273,280
62	Jun 7, 2024 16:08	3,940	60,099,476	30,657,000	2,043,000	2,490,368
63	Jun 7, 2024 16:07	3,954	56,477,923	30,770,000	2,051,000	2,273,280
64	Jun 7, 2024 16:09	3,955	59,752,512	29,841,000	2,984,000	2,490,368
65	Jun 7, 2024 16:08	3,955	62,523,906	30,835,000	1,989,000	2,273,280
66	Jun 7, 2024 16:07	3,955	55,473,050	30,841,000	1,989,000	2,273,280
67	Jun 7, 2024 16:08	3,956	58,133,114	29,851,000	2,985,000	2,273,280
68	Jun 7, 2024 16:08	3,956	58,982,283	31,841,000	995,000	2,273,280
69	Jun 7, 2024 16:07	3,956	58,848,757	30,847,000	1,990,000	2,273,280
70	Jun 7, 2024 16:09	3,957	58,692,227	29,856,000	2,985,000	2,486,272
71	Jun 7, 2024 16:07	3,958	56,448,048	29,862,000	2,986,000	2,490,368
72	Jun 7, 2024 16:07	3,958	59,200,590	29,866,000	2,986,000	2,273,280
73	Jun 7, 2024 16:08	3,964	57,845,915	29,909,000	2,990,000	2,318,336
74	Jun 7, 2024 16:07	3,964	59,921,301	29,914,000	2,991,000	2,273,280
75	Jun 7, 2024 16:08	3,969	56,153,264	30,946,000	1,996,000	2,445,312
76	Jun 7, 2024 16:08	3,979	57,937,137	30,020,000	3,002,000	2,473,984
77	Jun 7, 2024 16:07	3,988	55,094,200	30,092,000	3,009,000	2,351,104
78	Jun 7, 2024 16:09	3,995	56,198,056	30,146,000	3,014,000	2,482,176
79	Jun 7, 2024 16:09	4,002	62,072,312	31,205,000	2,013,000	2,334,720
80	Jun 7, 2024 16:08	4,024	60,993,053	32,386,000	1,012,000	2,494,464
81	Jun 7, 2024 16:08	4,051	58,688,651	33,623,000	0	2,273,280
82	Jun 7, 2024 16:08	4,075	63,598,537	30,839,000	2,984,000	2,273,280
83	Jun 7, 2024 16:08	4,082	102,413,305	33,878,969	0	2,363,392
84	Jun 7, 2024 16:07	4,087	100,644,075	33,921,937	0	2,248,704
85	Jun 7, 2024 16:08	4,087	56,622,813	31,926,000	1,995,000	2,478,080
86	Jun 7, 2024 16:08	4,094	94,689,545	33,981,720	0	2,248,704
87	Jun 7, 2024 16:07	4,108	104,852,864	34,094,792	0	2,240,512
88	Jun 7, 2024 16:07	4,115	97,507,151	34,152,919	0	2,232,320
89	Jun 7, 2024 16:09	4,117	97,842,712	34,174,791	0	2,248,704
90	Jun 7, 2024 16:08	4,122	100,933,123	34,209,412	0	2,240,512
91	Jun 7, 2024 16:07	4,127	96,430,004	34,251,949	0	2,240,512
92	Jun 7, 2024 16:07	4,134	99,780,510	34,311,930	0	2,236,416
93	Jun 7, 2024 16:08	4,153	100,533,299	34,472,726	0	2,244,608
94	Jun 7, 2024 16:07	4,156	106,916,383	34,491,950	0	2,228,224
95	Jun 7, 2024 16:08	4,157	112,527,901	34,505,099	0	2,236,416
96	Jun 7, 2024 16:08	4,179	106,317,318	34,685,007	0	2,232,320
97	Jun 7, 2024 16:08	4,179	64,832,527	32,646,000	2,040,000	2,367,488
98	Jun 7, 2024 16:08	4,182	105,472,371	34,710,312	0	2,244,608
99	Jun 7, 2024 16:08	4,191	103,693,492	34,786,642	0	2,236,416
100	Jun 7, 2024 16:08	4,198	93,477,864	34,846,729	0	2,228,224
101	Jun 7, 2024 16:08	4,202	104,640,056	34,875,262	0	2,236,416
102	Jun 7, 2024 16:08	4,220	109,896,375	35,026,069	0	2,236,416
103	Jun 7, 2024 16:08	4,226	101,656,042	35,077,461	0	2,240,512
104	Jun 7, 2024 16:09	4,233	99,039,378	35,134,809	0	2,248,704
105	Jun 7, 2024 16:09	4,269	96,872,790	35,430,725	0	2,248,704
106	Jun 7, 2024 16:08	4,297	104,069,484	35,664,534	0	2,236,416
107	Jun 7, 2024 16:08	4,367	100,314,975	36,246,956	0	2,232,320
108	Jun 7, 2024 16:08	4,437	93,806,408	36,827,719	0	2,240,512

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