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 5, 2024 17:12	4,123	57,225,339	31,205,000	3,019,000	2,273,280
2	Jun 5, 2024 17:11	4,134	57,364,808	31,282,000	3,027,000	2,273,280
3	Jun 5, 2024 17:11	4,140	62,329,674	31,329,000	3,031,000	2,273,280
4	Jun 5, 2024 17:12	4,141	61,013,878	31,339,000	3,032,000	2,482,176
5	Jun 5, 2024 17:11	4,141	55,466,900	31,339,000	3,032,000	2,490,368
6	Jun 5, 2024 17:11	4,142	56,667,810	31,347,000	3,033,000	2,273,280
7	Jun 5, 2024 17:12	4,145	60,857,085	33,392,000	1,011,000	2,273,280
8	Jun 5, 2024 17:11	4,153	57,811,481	32,444,000	2,027,000	2,482,176
9	Jun 5, 2024 17:11	4,154	54,739,274	32,453,000	2,028,000	2,273,280
10	Jun 5, 2024 17:11	4,159	57,750,189	33,506,000	1,015,000	2,273,280
11	Jun 5, 2024 17:12	4,165	66,465,913	33,552,000	1,016,000	2,494,464
12	Jun 5, 2024 17:11	4,171	62,658,507	33,604,000	1,018,000	2,273,280
13	Jun 5, 2024 17:11	4,172	66,481,341	32,588,000	2,036,000	2,273,280
14	Jun 5, 2024 17:11	4,183	58,195,016	31,742,000	2,975,000	2,412,544
15	Jun 5, 2024 17:11	4,192	60,910,222	32,807,000	1,988,000	2,273,280
16	Jun 5, 2024 17:12	4,195	68,092,002	32,827,000	1,989,000	2,273,280
17	Jun 5, 2024 17:11	4,196	64,216,494	34,830,000	0	2,273,280
18	Jun 5, 2024 17:11	4,196	62,670,925	32,835,000	1,990,000	2,347,008
19	Jun 5, 2024 17:11	4,198	63,489,186	32,852,000	1,991,000	2,490,368
20	Jun 5, 2024 17:11	4,198	64,912,470	33,845,000	995,000	2,273,280
21	Jun 5, 2024 17:11	4,199	61,079,550	31,863,000	2,987,000	2,273,280
22	Jun 5, 2024 17:11	4,200	54,163,012	32,872,000	1,992,000	2,334,720
23	Jun 5, 2024 17:11	4,203	62,519,483	31,899,000	2,990,000	2,285,568
24	Jun 5, 2024 17:11	4,204	57,966,750	32,897,000	1,993,000	2,342,912
25	Jun 5, 2024 17:11	4,206	64,465,475	31,917,000	2,992,000	2,322,432
26	Jun 5, 2024 17:11	4,206	57,090,744	31,918,000	2,992,000	2,273,280
27	Jun 5, 2024 17:11	4,207	59,104,974	31,929,000	2,993,000	2,478,080
28	Jun 5, 2024 17:12	4,208	59,757,651	32,932,000	1,995,000	2,490,368
29	Jun 5, 2024 17:11	4,213	64,324,909	32,969,000	1,998,000	2,273,280
30	Jun 5, 2024 17:11	4,214	56,304,577	32,982,000	1,998,000	2,490,368
31	Jun 5, 2024 17:11	4,215	63,455,770	33,982,000	999,000	2,371,584
32	Jun 5, 2024 17:11	4,216	62,772,114	33,993,000	999,000	2,273,280
33	Jun 5, 2024 17:11	4,221	56,820,160	33,035,000	2,002,000	2,273,280
34	Jun 5, 2024 17:11	4,223	57,563,933	32,048,000	3,004,000	2,273,280
35	Jun 5, 2024 17:12	4,224	57,663,398	32,054,000	3,005,000	2,273,280
36	Jun 5, 2024 17:11	4,225	58,070,297	33,062,000	2,003,000	2,273,280
37	Jun 5, 2024 17:11	4,226	58,412,812	32,068,000	3,006,000	2,273,280
38	Jun 5, 2024 17:11	4,226	57,392,622	33,071,000	2,004,000	2,342,912
39	Jun 5, 2024 17:12	4,228	56,799,744	32,084,000	3,007,000	2,461,696
40	Jun 5, 2024 17:11	4,237	60,009,235	32,155,000	3,014,000	2,273,280
41	Jun 5, 2024 17:11	4,239	56,460,285	33,175,000	2,010,000	2,273,280
42	Jun 5, 2024 17:12	4,240	56,938,299	32,178,000	3,016,000	2,486,272
43	Jun 5, 2024 17:11	4,240	57,330,874	34,189,000	1,005,000	2,273,280
44	Jun 5, 2024 17:11	4,241	57,275,624	32,186,000	3,017,000	2,347,008
45	Jun 5, 2024 17:12	4,242	58,101,679	32,188,000	3,017,000	2,273,280
46	Jun 5, 2024 17:11	4,247	58,509,936	32,228,000	3,021,000	2,486,272
47	Jun 5, 2024 17:11	4,248	59,685,811	32,238,000	3,022,000	2,273,280
48	Jun 5, 2024 17:12	4,249	56,477,673	32,246,000	3,023,000	2,273,280
49	Jun 5, 2024 17:11	4,250	65,545,872	33,263,000	2,015,000	2,482,176
50	Jun 5, 2024 17:11	4,251	58,254,939	33,270,000	2,016,000	2,273,280
51	Jun 5, 2024 17:11	4,252	56,414,773	32,264,000	3,024,000	2,486,272
52	Jun 5, 2024 17:11	4,253	61,291,192	32,276,000	3,025,000	2,383,872
53	Jun 5, 2024 17:12	4,254	62,471,598	34,299,000	1,008,000	2,273,280
54	Jun 5, 2024 17:12	4,256	56,291,431	32,296,000	3,027,000	2,273,280
55	Jun 5, 2024 17:11	4,257	55,067,549	32,303,000	3,028,000	2,490,368
56	Jun 5, 2024 17:12	4,261	58,377,796	32,336,000	3,031,000	2,490,368
57	Jun 5, 2024 17:11	4,263	60,961,744	33,363,000	2,022,000	2,273,280
58	Jun 5, 2024 17:11	4,267	60,000,390	33,393,000	2,023,000	2,412,544
59	Jun 5, 2024 17:11	4,268	61,288,195	34,412,000	1,012,000	2,490,368
60	Jun 5, 2024 17:11	4,270	62,583,262	33,413,000	2,025,000	2,482,176
61	Jun 5, 2024 17:12	4,271	57,757,987	33,424,000	2,025,000	2,273,280
62	Jun 5, 2024 17:12	4,271	59,807,459	33,422,000	2,025,000	2,494,464
63	Jun 5, 2024 17:11	4,271	59,075,133	34,434,000	1,012,000	2,338,816
64	Jun 5, 2024 17:12	4,273	59,900,666	33,437,000	2,026,000	2,273,280
65	Jun 5, 2024 17:11	4,273	62,914,697	34,454,000	1,013,000	2,273,280
66	Jun 5, 2024 17:11	4,273	60,871,605	33,436,000	2,026,000	2,273,280
67	Jun 5, 2024 17:11	4,275	61,669,474	32,440,000	3,041,000	2,363,392
68	Jun 5, 2024 17:12	4,277	57,943,985	35,502,000	0	2,273,280
69	Jun 5, 2024 17:11	4,278	55,693,999	33,480,000	2,029,000	2,273,280
70	Jun 5, 2024 17:11	4,281	55,529,182	33,504,000	2,030,000	2,273,280
71	Jun 5, 2024 17:11	4,284	57,541,487	34,540,000	1,015,000	2,273,280
72	Jun 5, 2024 17:11	4,286	65,185,709	34,558,000	1,016,000	2,273,280
73	Jun 5, 2024 17:11	4,290	65,805,643	34,589,000	1,017,000	2,273,280
74	Jun 5, 2024 17:11	4,291	66,706,744	34,596,000	1,017,000	2,486,272
75	Jun 5, 2024 17:11	4,291	68,149,864	34,595,000	1,017,000	2,482,176
76	Jun 5, 2024 17:11	4,296	66,862,173	34,635,000	1,018,000	2,273,280
77	Jun 5, 2024 17:11	4,298	60,486,177	33,637,000	2,038,000	2,494,464
78	Jun 5, 2024 17:11	4,311	64,583,092	33,796,000	1,988,000	2,490,368
79	Jun 5, 2024 17:11	4,314	62,684,468	32,824,000	2,984,000	2,482,176
80	Jun 5, 2024 17:11	4,315	61,230,093	33,827,000	1,989,000	2,273,280
81	Jun 5, 2024 17:11	4,318	65,142,170	32,855,000	2,986,000	2,486,272
82	Jun 5, 2024 17:11	4,318	63,080,765	33,849,000	1,991,000	2,486,272
83	Jun 5, 2024 17:12	4,322	58,666,014	33,878,000	1,992,000	2,473,984
84	Jun 5, 2024 17:11	4,323	64,464,169	33,888,000	1,993,000	2,490,368
85	Jun 5, 2024 17:12	4,327	59,231,787	33,917,000	1,995,000	2,486,272
86	Jun 5, 2024 17:11	4,333	59,821,601	32,971,000	2,997,000	2,273,280
87	Jun 5, 2024 17:11	4,336	61,109,263	33,989,000	1,999,000	2,289,664
88	Jun 5, 2024 17:11	4,341	63,322,143	35,031,000	1,000,000	2,478,080
89	Jun 5, 2024 17:11	4,352	61,688,684	33,109,000	3,009,000	2,490,368
90	Jun 5, 2024 17:12	4,360	61,589,526	34,176,000	2,010,000	2,519,040
91	Jun 5, 2024 17:12	4,369	67,495,696	33,240,000	3,021,000	2,318,336
92	Jun 5, 2024 17:11	4,373	66,335,053	33,272,000	3,024,000	2,490,368
93	Jun 5, 2024 17:12	4,375	60,142,064	33,288,000	3,026,000	2,273,280
94	Jun 5, 2024 17:11	4,396	57,903,005	35,471,000	1,013,000	2,273,280
95	Jun 5, 2024 17:11	4,436	107,150,351	36,822,731	0	2,240,512
96	Jun 5, 2024 17:12	4,436	64,985,041	34,830,000	1,990,000	2,347,008
97	Jun 5, 2024 17:12	4,439	106,490,956	36,843,351	0	2,244,608
98	Jun 5, 2024 17:11	4,440	102,127,599	36,855,320	0	2,248,704
99	Jun 5, 2024 17:11	4,441	102,284,018	36,862,551	0	2,240,512
100	Jun 5, 2024 17:12	4,443	100,083,402	36,876,159	0	2,236,416
101	Jun 5, 2024 17:11	4,448	108,046,670	36,920,057	0	2,236,416
102	Jun 5, 2024 17:11	4,448	113,964,316	36,918,237	0	2,371,584
103	Jun 5, 2024 17:11	4,461	101,374,759	37,029,580	0	2,232,320
104	Jun 5, 2024 17:12	4,462	108,449,509	37,034,700	0	2,236,416
105	Jun 5, 2024 17:11	4,464	58,298,054	35,046,000	2,002,000	2,482,176
106	Jun 5, 2024 17:11	4,473	100,934,672	37,122,505	0	2,379,776
107	Jun 5, 2024 17:12	4,473	102,631,570	37,127,261	0	2,248,704
108	Jun 5, 2024 17:11	4,476	108,462,898	37,149,607	0	2,244,608
109	Jun 5, 2024 17:11	4,486	102,035,517	37,233,696	0	2,244,608
110	Jun 5, 2024 17:11	4,494	95,254,359	37,300,902	0	2,367,488
111	Jun 5, 2024 17:12	4,497	115,796,937	37,328,073	0	2,228,224
112	Jun 5, 2024 17:11	4,515	97,967,806	37,470,702	0	2,240,512
113	Jun 5, 2024 17:11	4,520	90,268,531	37,512,513	0	2,244,608
114	Jun 5, 2024 17:11	4,526	101,350,092	37,569,157	0	2,232,320
115	Jun 5, 2024 17:11	4,528	104,943,226	37,580,592	0	2,363,392
116	Jun 5, 2024 17:12	4,529	97,549,520	37,591,327	0	2,248,704
117	Jun 5, 2024 17:11	4,559	92,902,114	37,839,170	0	2,252,800
118	Jun 5, 2024 17:11	4,565	117,301,048	37,887,611	0	2,244,608
119	Jun 5, 2024 17:11	4,705	106,870,691	39,048,953	0	2,236,416
120	Jun 5, 2024 17:11	4,768	120,203,766	39,571,457	0	2,236,416

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