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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Score: 4,051

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 7, 2024 14:09	3,955	66,737,095	30,840,000	1,989,000	2,478,080
2	Jun 7, 2024 14:09	3,956	57,719,683	30,844,000	1,989,000	2,273,280
3	Jun 7, 2024 14:10	3,957	59,423,118	29,855,000	2,985,000	2,482,176
4	Jun 7, 2024 14:09	3,959	67,021,147	31,868,000	995,000	2,273,280
5	Jun 7, 2024 14:10	3,965	59,996,857	31,913,000	997,000	2,273,280
6	Jun 7, 2024 14:09	3,965	67,134,636	30,913,000	1,994,000	2,482,176
7	Jun 7, 2024 14:10	3,967	54,672,200	30,928,000	1,995,000	2,482,176
8	Jun 7, 2024 14:09	3,972	54,117,005	30,967,000	1,997,000	2,486,272
9	Jun 7, 2024 14:10	3,974	54,522,110	30,985,000	1,999,000	2,486,272
10	Jun 7, 2024 14:10	3,976	58,465,697	30,000,000	3,000,000	2,318,336
11	Jun 7, 2024 14:10	3,976	54,506,162	29,998,000	2,999,000	2,273,280
12	Jun 7, 2024 14:09	3,982	58,732,014	30,045,000	3,004,000	2,273,280
13	Jun 7, 2024 14:09	3,985	59,255,819	31,071,000	2,004,000	2,482,176
14	Jun 7, 2024 14:10	3,987	56,718,934	31,086,000	2,005,000	2,273,280
15	Jun 7, 2024 14:10	3,990	59,264,096	30,108,000	3,010,000	2,490,368
16	Jun 7, 2024 14:10	3,990	56,245,507	31,112,000	2,007,000	2,273,280
17	Jun 7, 2024 14:09	3,990	57,106,307	31,110,000	2,007,000	2,334,720
18	Jun 7, 2024 14:09	3,992	66,747,115	32,132,000	1,004,000	2,486,272
19	Jun 7, 2024 14:09	3,997	53,099,953	30,160,000	3,016,000	2,490,368
20	Jun 7, 2024 14:10	3,997	56,631,477	30,162,000	3,016,000	2,482,176
21	Jun 7, 2024 14:09	3,999	54,161,378	31,179,000	2,011,000	2,486,272
22	Jun 7, 2024 14:09	3,999	54,526,870	30,176,000	3,017,000	2,273,280
23	Jun 7, 2024 14:10	4,003	58,089,914	30,206,000	3,020,000	2,273,280
24	Jun 7, 2024 14:09	4,003	56,236,767	31,209,000	2,013,000	2,490,368
25	Jun 7, 2024 14:10	4,004	55,856,233	31,219,000	2,014,000	2,486,272
26	Jun 7, 2024 14:09	4,004	59,649,098	30,213,000	3,021,000	2,510,848
27	Jun 7, 2024 14:10	4,007	50,476,395	31,240,000	2,015,000	2,273,280
28	Jun 7, 2024 14:09	4,007	57,685,982	31,240,000	2,015,000	2,273,280
29	Jun 7, 2024 14:09	4,010	60,655,391	31,267,000	2,017,000	2,490,368
30	Jun 7, 2024 14:09	4,013	56,922,944	32,299,000	1,009,000	2,486,272
31	Jun 7, 2024 14:10	4,013	56,329,764	30,281,000	3,028,000	2,338,816
32	Jun 7, 2024 14:10	4,014	56,791,090	31,295,000	2,019,000	2,461,696
33	Jun 7, 2024 14:09	4,014	58,006,308	30,286,000	3,028,000	2,273,280
34	Jun 7, 2024 14:10	4,017	60,174,648	30,312,000	3,031,000	2,367,488
35	Jun 7, 2024 14:10	4,018	61,867,715	31,328,000	2,021,000	2,273,280
36	Jun 7, 2024 14:10	4,022	56,146,802	30,349,000	3,034,000	2,273,280
37	Jun 7, 2024 14:10	4,022	56,499,697	31,360,000	2,023,000	2,490,368
38	Jun 7, 2024 14:10	4,024	57,681,067	30,362,000	3,036,000	2,490,368
39	Jun 7, 2024 14:09	4,024	61,890,380	30,366,000	3,036,000	2,482,176
40	Jun 7, 2024 14:10	4,027	62,343,525	32,414,000	1,012,000	2,490,368
41	Jun 7, 2024 14:09	4,027	59,581,709	33,421,000	0	2,273,280
42	Jun 7, 2024 14:09	4,027	55,746,329	32,408,000	1,012,000	2,486,272
43	Jun 7, 2024 14:10	4,028	56,375,491	31,409,000	2,026,000	2,498,560
44	Jun 7, 2024 14:10	4,029	59,277,933	31,416,000	2,026,000	2,273,280
45	Jun 7, 2024 14:10	4,029	56,245,018	33,439,000	0	2,338,816
46	Jun 7, 2024 14:10	4,030	56,846,225	32,437,000	1,013,000	2,404,352
47	Jun 7, 2024 14:09	4,031	54,718,284	32,447,000	1,013,000	2,273,280
48	Jun 7, 2024 14:09	4,031	69,464,898	31,428,000	2,027,000	2,420,736
49	Jun 7, 2024 14:10	4,032	58,459,193	31,435,000	2,028,000	2,486,272
50	Jun 7, 2024 14:09	4,032	59,393,926	30,423,000	3,042,000	2,490,368
51	Jun 7, 2024 14:10	4,034	63,171,608	31,454,000	2,029,000	2,273,280
52	Jun 7, 2024 14:09	4,035	54,360,234	32,476,000	1,014,000	2,338,816
53	Jun 7, 2024 14:09	4,039	56,289,305	31,489,000	2,031,000	2,347,008
54	Jun 7, 2024 14:10	4,039	61,524,097	31,491,000	2,031,000	2,482,176
55	Jun 7, 2024 14:09	4,040	59,913,300	32,520,000	1,016,000	2,273,280
56	Jun 7, 2024 14:10	4,041	60,701,102	32,525,000	1,016,000	2,482,176
57	Jun 7, 2024 14:10	4,045	58,448,323	33,575,000	0	2,273,280
58	Jun 7, 2024 14:09	4,045	59,395,587	31,539,000	2,034,000	2,375,680
59	Jun 7, 2024 14:09	4,050	58,635,968	31,580,000	2,037,000	2,482,176
60	Jun 7, 2024 14:10	4,051	63,038,041	32,608,000	1,019,000	2,482,176
61	Jun 7, 2024 14:09	4,051	59,033,895	31,583,000	2,037,000	2,490,368
62	Jun 7, 2024 14:10	4,052	59,828,844	32,614,000	1,019,000	2,473,984
63	Jun 7, 2024 14:09	4,053	64,929,948	31,604,000	2,039,000	2,486,272
64	Jun 7, 2024 14:09	4,055	62,669,134	32,634,000	1,019,000	2,330,624
65	Jun 7, 2024 14:10	4,056	59,414,155	31,621,000	2,040,000	2,494,464
66	Jun 7, 2024 14:09	4,057	59,232,382	31,632,000	2,040,000	2,490,368
67	Jun 7, 2024 14:10	4,060	65,929,631	31,660,000	2,042,000	2,482,176
68	Jun 7, 2024 14:10	4,063	61,106,403	32,670,000	1,053,000	2,486,272
69	Jun 7, 2024 14:09	4,074	61,641,276	32,818,000	994,000	2,506,752
70	Jun 7, 2024 14:09	4,074	64,000,074	31,828,000	1,989,000	2,273,280
71	Jun 7, 2024 14:10	4,076	66,336,231	32,833,000	994,000	2,469,888
72	Jun 7, 2024 14:09	4,076	60,066,095	30,847,000	2,985,000	2,478,080
73	Jun 7, 2024 14:09	4,077	61,809,626	31,852,000	1,990,000	2,486,272
74	Jun 7, 2024 14:09	4,077	59,953,855	31,852,000	1,990,000	2,473,984
75	Jun 7, 2024 14:09	4,077	63,534,148	31,852,000	1,990,000	2,273,280
76	Jun 7, 2024 14:10	4,077	63,733,520	31,846,000	1,990,000	2,486,272
77	Jun 7, 2024 14:09	4,078	64,703,408	31,856,000	1,991,000	2,273,280
78	Jun 7, 2024 14:09	4,078	60,642,106	31,856,000	1,991,000	2,498,560
79	Jun 7, 2024 14:10	4,080	68,440,682	30,873,000	2,987,000	2,273,280
80	Jun 7, 2024 14:09	4,080	56,246,132	31,811,000	2,052,000	2,482,176
81	Jun 7, 2024 14:10	4,085	61,087,195	30,915,000	2,991,000	2,506,752
82	Jun 7, 2024 14:10	4,085	57,577,077	31,912,000	1,994,000	2,482,176
83	Jun 7, 2024 14:09	4,086	61,258,881	30,919,000	2,992,000	2,273,280
84	Jun 7, 2024 14:10	4,087	57,101,387	31,929,000	1,995,000	2,273,280
85	Jun 7, 2024 14:09	4,088	61,930,724	31,934,000	1,995,000	2,482,176
86	Jun 7, 2024 14:10	4,090	60,202,851	30,950,000	2,995,000	2,490,368
87	Jun 7, 2024 14:10	4,104	54,723,400	33,063,000	1,001,000	2,273,280
88	Jun 7, 2024 14:09	4,110	55,283,811	32,107,000	2,006,000	2,498,560
89	Jun 7, 2024 14:10	4,115	56,542,541	32,148,000	2,009,000	2,273,280
90	Jun 7, 2024 14:10	4,120	56,744,207	31,180,000	3,017,000	2,338,816
91	Jun 7, 2024 14:10	4,129	60,908,236	33,266,000	1,008,000	2,486,272
92	Jun 7, 2024 14:09	4,129	58,165,116	33,264,000	1,008,000	2,486,272
93	Jun 7, 2024 14:10	4,132	61,179,459	31,273,000	3,026,000	2,273,280
94	Jun 7, 2024 14:09	4,142	56,570,163	31,347,000	3,033,000	2,482,176
95	Jun 7, 2024 14:09	4,144	62,638,358	31,359,000	3,034,000	2,273,280
96	Jun 7, 2024 14:10	4,146	55,495,837	31,377,000	3,036,000	2,494,464
97	Jun 7, 2024 14:09	4,176	95,236,826	34,662,794	0	2,244,608
98	Jun 7, 2024 14:09	4,183	123,027,489	34,718,166	0	2,367,488
99	Jun 7, 2024 14:10	4,187	104,965,143	34,751,318	0	2,240,512
100	Jun 7, 2024 14:10	4,189	98,970,996	34,767,362	0	2,244,608
101	Jun 7, 2024 14:10	4,204	101,914,062	34,896,813	0	2,240,512
102	Jun 7, 2024 14:10	4,204	101,768,839	34,893,464	0	2,256,896
103	Jun 7, 2024 14:10	4,206	102,207,216	34,908,938	0	2,236,416
104	Jun 7, 2024 14:10	4,214	94,581,240	34,972,406	0	2,240,512
105	Jun 7, 2024 14:10	4,215	118,259,870	34,988,509	0	2,240,512
106	Jun 7, 2024 14:09	4,217	111,161,308	35,004,827	0	2,236,416
107	Jun 7, 2024 14:09	4,239	98,366,461	35,179,613	0	2,240,512
108	Jun 7, 2024 14:10	4,244	105,886,087	35,221,173	0	2,236,416
109	Jun 7, 2024 14:09	4,245	100,467,807	35,236,143	0	2,236,416
110	Jun 7, 2024 14:09	4,256	95,545,515	35,328,195	0	2,240,512
111	Jun 7, 2024 14:10	4,257	103,945,548	35,331,161	0	2,228,224
112	Jun 7, 2024 14:09	4,258	97,048,184	35,345,088	0	2,240,512
113	Jun 7, 2024 14:10	4,285	103,409,779	35,564,336	0	2,236,416
114	Jun 7, 2024 14:09	4,294	110,979,077	35,643,320	0	2,240,512
115	Jun 7, 2024 14:09	4,305	101,690,819	35,735,281	0	2,240,512
116	Jun 7, 2024 14:10	4,308	101,591,814	35,759,589	0	2,240,512
117	Jun 7, 2024 14:09	4,378	101,300,879	36,339,082	0	2,244,608
118	Jun 7, 2024 14:09	4,381	97,808,029	36,366,311	0	2,236,416
119	Jun 7, 2024 14:10	4,397	99,251,634	36,493,422	0	2,240,512
120	Jun 7, 2024 14:09	4,454	115,701,672	36,964,875	0	2,256,896

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