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 14:23	3,792	54,489,258	30,458,000	1,015,000	2,273,280
2	Jun 7, 2024 14:24	3,797	54,186,654	29,484,000	2,033,000	2,486,272
3	Jun 7, 2024 14:23	3,797	55,162,793	30,496,000	1,016,000	2,273,280
4	Jun 7, 2024 14:23	3,798	56,776,398	30,504,000	1,016,000	2,482,176
5	Jun 7, 2024 14:23	3,801	61,354,611	29,516,000	2,035,000	2,273,280
6	Jun 7, 2024 14:23	3,802	53,781,926	29,522,000	2,036,000	2,351,104
7	Jun 7, 2024 14:24	3,809	60,095,930	31,614,000	0	2,428,928
8	Jun 7, 2024 14:23	3,810	63,659,748	29,586,000	2,040,000	2,478,080
9	Jun 7, 2024 14:23	3,813	56,137,543	30,626,000	1,020,000	2,314,240
10	Jun 7, 2024 14:23	3,814	62,184,125	29,618,000	2,042,000	2,273,280
11	Jun 7, 2024 14:24	3,835	55,984,696	28,848,000	2,984,000	2,273,280
12	Jun 7, 2024 14:23	3,835	58,476,687	29,838,000	1,989,000	2,490,368
13	Jun 7, 2024 14:23	3,839	54,401,952	31,865,000	0	2,359,296
14	Jun 7, 2024 14:23	3,844	57,761,777	29,909,000	1,993,000	2,486,272
15	Jun 7, 2024 14:24	3,850	61,661,870	29,958,000	1,997,000	2,273,280
16	Jun 7, 2024 14:24	3,856	56,179,345	30,005,000	2,000,000	2,273,280
17	Jun 7, 2024 14:23	3,857	59,985,222	29,011,000	3,001,000	2,482,176
18	Jun 7, 2024 14:24	3,858	51,493,997	30,021,000	2,001,000	2,273,280
19	Jun 7, 2024 14:23	3,861	57,661,915	30,044,000	2,002,000	2,273,280
20	Jun 7, 2024 14:23	3,867	54,615,160	30,092,000	2,006,000	2,273,280
21	Jun 7, 2024 14:23	3,869	56,852,692	30,103,000	2,006,000	2,478,080
22	Jun 7, 2024 14:23	3,869	55,820,541	30,106,000	2,007,000	2,490,368
23	Jun 7, 2024 14:23	3,870	54,541,922	29,108,000	3,011,000	2,273,280
24	Jun 7, 2024 14:23	3,870	55,081,048	30,112,000	2,007,000	2,486,272
25	Jun 7, 2024 14:23	3,871	61,994,140	29,117,000	3,012,000	2,273,280
26	Jun 7, 2024 14:23	3,872	56,604,277	30,132,000	2,008,000	2,486,272
27	Jun 7, 2024 14:23	3,874	55,619,230	30,148,000	2,009,000	2,494,464
28	Jun 7, 2024 14:23	3,875	57,750,290	30,155,000	2,010,000	2,273,280
29	Jun 7, 2024 14:23	3,880	60,488,646	29,183,000	3,019,000	2,273,280
30	Jun 7, 2024 14:24	3,881	58,138,160	31,206,000	1,006,000	2,428,928
31	Jun 7, 2024 14:23	3,881	56,440,426	30,196,000	2,013,000	2,273,280
32	Jun 7, 2024 14:23	3,887	57,593,350	30,247,000	2,016,000	2,273,280
33	Jun 7, 2024 14:24	3,889	57,378,859	29,255,000	3,026,000	2,490,368
34	Jun 7, 2024 14:23	3,889	54,912,268	30,264,000	2,017,000	2,482,176
35	Jun 7, 2024 14:23	3,889	59,924,403	30,264,000	2,017,000	2,478,080
36	Jun 7, 2024 14:24	3,890	58,229,375	30,267,000	2,017,000	2,322,432
37	Jun 7, 2024 14:23	3,891	55,718,041	30,274,000	2,018,000	2,490,368
38	Jun 7, 2024 14:23	3,891	55,482,738	30,274,000	2,018,000	2,486,272
39	Jun 7, 2024 14:23	3,893	58,809,635	29,285,000	3,029,000	2,490,368
40	Jun 7, 2024 14:23	3,894	54,417,013	29,293,000	3,030,000	2,486,272
41	Jun 7, 2024 14:23	3,895	53,460,584	31,322,000	1,010,000	2,273,280
42	Jun 7, 2024 14:24	3,897	59,152,251	29,311,000	3,032,000	2,351,104
43	Jun 7, 2024 14:23	3,897	64,980,472	29,316,000	3,032,000	2,273,280
44	Jun 7, 2024 14:24	3,898	53,528,941	29,324,000	3,033,000	2,273,280
45	Jun 7, 2024 14:23	3,900	54,814,774	30,344,000	2,022,000	2,273,280
46	Jun 7, 2024 14:23	3,901	57,763,510	29,341,000	3,035,000	2,273,280
47	Jun 7, 2024 14:23	3,903	58,720,460	29,358,000	3,037,000	2,482,176
48	Jun 7, 2024 14:23	3,904	57,125,281	30,375,000	2,025,000	2,273,280
49	Jun 7, 2024 14:23	3,905	57,871,603	30,383,000	2,025,000	2,273,280
50	Jun 7, 2024 14:23	3,906	54,449,080	30,393,000	2,026,000	2,342,912
51	Jun 7, 2024 14:23	3,908	58,687,150	30,413,000	2,027,000	2,273,280
52	Jun 7, 2024 14:23	3,913	62,151,014	31,464,000	1,014,000	2,273,280
53	Jun 7, 2024 14:24	3,914	53,174,207	30,456,000	2,030,000	2,486,272
54	Jun 7, 2024 14:23	3,916	54,817,102	31,487,000	1,015,000	2,482,176
55	Jun 7, 2024 14:23	3,917	55,997,950	31,499,000	1,016,000	2,416,640
56	Jun 7, 2024 14:23	3,919	55,027,711	32,531,000	0	2,482,176
57	Jun 7, 2024 14:24	3,922	54,646,165	32,549,000	0	2,482,176
58	Jun 7, 2024 14:23	3,922	54,299,872	31,534,000	1,017,000	2,457,600
59	Jun 7, 2024 14:23	3,925	55,308,504	31,560,000	1,018,000	2,482,176
60	Jun 7, 2024 14:24	3,929	58,400,637	30,570,000	2,038,000	2,510,848
61	Jun 7, 2024 14:23	3,931	64,501,126	31,609,000	1,019,000	2,478,080
62	Jun 7, 2024 14:24	3,933	62,609,067	30,605,000	2,040,000	2,273,280
63	Jun 7, 2024 14:24	3,936	61,692,758	32,665,000	0	2,490,368
64	Jun 7, 2024 14:23	3,936	65,290,229	30,627,000	2,041,000	2,273,280
65	Jun 7, 2024 14:23	3,938	55,144,637	30,645,000	2,043,000	2,273,280
66	Jun 7, 2024 14:23	3,938	64,925,773	30,643,000	2,042,000	2,490,368
67	Jun 7, 2024 14:23	3,953	55,501,855	29,824,000	2,982,000	2,273,280
68	Jun 7, 2024 14:23	3,953	65,406,595	29,828,000	2,982,000	2,486,272
69	Jun 7, 2024 14:24	3,954	58,479,885	30,827,000	1,988,000	2,273,280
70	Jun 7, 2024 14:24	3,957	62,015,640	30,857,000	1,990,000	2,289,664
71	Jun 7, 2024 14:23	3,961	60,617,222	31,883,000	996,000	2,490,368
72	Jun 7, 2024 14:23	3,966	60,056,107	30,922,000	1,995,000	2,428,928
73	Jun 7, 2024 14:23	3,968	54,286,626	29,944,000	2,994,000	2,478,080
74	Jun 7, 2024 14:24	3,971	56,920,538	29,965,000	2,996,000	2,482,176
75	Jun 7, 2024 14:24	3,972	55,310,275	30,973,000	1,998,000	2,482,176
76	Jun 7, 2024 14:23	3,973	56,842,353	30,975,000	1,998,000	2,478,080
77	Jun 7, 2024 14:23	3,973	60,763,391	29,976,000	2,997,000	2,494,464
78	Jun 7, 2024 14:24	3,978	55,858,642	31,016,000	2,001,000	2,273,280
79	Jun 7, 2024 14:23	3,986	56,838,759	30,076,000	3,007,000	2,494,464
80	Jun 7, 2024 14:23	3,994	59,793,578	31,142,000	2,009,000	2,273,280
81	Jun 7, 2024 14:23	3,995	60,381,742	31,151,000	2,009,000	2,273,280
82	Jun 7, 2024 14:24	4,012	57,954,014	30,275,000	3,027,000	2,490,368
83	Jun 7, 2024 14:24	4,052	61,070,449	31,594,000	2,038,000	2,420,736
84	Jun 7, 2024 14:23	4,071	92,750,466	33,792,679	0	2,236,416
85	Jun 7, 2024 14:23	4,109	106,897,742	34,106,495	0	2,359,296
86	Jun 7, 2024 14:23	4,110	106,478,289	34,111,545	0	2,240,512
87	Jun 7, 2024 14:24	4,115	100,744,771	34,154,714	0	2,240,512
88	Jun 7, 2024 14:24	4,121	55,892,573	31,184,000	3,017,000	2,273,280
89	Jun 7, 2024 14:23	4,125	101,081,345	34,240,221	0	2,240,512
90	Jun 7, 2024 14:23	4,125	117,918,061	34,233,989	0	2,240,512
91	Jun 7, 2024 14:24	4,128	104,465,273	34,261,298	0	2,236,416
92	Jun 7, 2024 14:23	4,145	109,586,029	34,405,813	0	2,236,416
93	Jun 7, 2024 14:23	4,147	98,353,861	34,416,590	0	2,240,512
94	Jun 7, 2024 14:24	4,149	89,151,845	34,436,253	0	2,240,512
95	Jun 7, 2024 14:24	4,155	92,026,799	34,486,867	0	2,236,416
96	Jun 7, 2024 14:23	4,162	94,784,578	34,547,086	0	2,240,512
97	Jun 7, 2024 14:23	4,172	100,125,170	34,627,693	0	2,236,416
98	Jun 7, 2024 14:24	4,173	103,043,209	34,634,687	0	2,240,512
99	Jun 7, 2024 14:23	4,181	112,301,210	34,705,985	0	2,244,608
100	Jun 7, 2024 14:23	4,195	105,386,719	34,815,491	0	2,236,416
101	Jun 7, 2024 14:23	4,200	89,550,754	34,860,749	0	2,367,488
102	Jun 7, 2024 14:23	4,224	101,698,988	35,059,991	0	2,359,296
103	Jun 7, 2024 14:24	4,227	106,245,037	35,086,067	0	2,248,704
104	Jun 7, 2024 14:23	4,282	102,147,580	35,542,998	0	2,228,224
105	Jun 7, 2024 14:23	4,330	103,112,794	35,935,875	0	2,252,800
106	Jun 7, 2024 14:23	4,341	94,606,515	36,028,845	0	2,232,320
107	Jun 7, 2024 14:23	4,375	100,649,240	36,309,737	0	2,248,704
108	Jun 7, 2024 14:23	4,409	118,385,735	36,591,050	0	2,240,512

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