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 17:03	4,158	61,990,485	33,494,000	1,014,000	2,273,280
2	Jun 5, 2024 17:04	4,163	60,954,930	33,533,000	1,016,000	2,347,008
3	Jun 5, 2024 17:04	4,175	67,395,122	33,630,000	1,019,000	2,347,008
4	Jun 5, 2024 17:04	4,176	64,785,630	33,643,000	1,019,000	2,486,272
5	Jun 5, 2024 17:04	4,177	63,976,102	32,626,000	2,039,000	2,273,280
6	Jun 5, 2024 17:04	4,180	59,497,165	33,678,000	1,020,000	2,273,280
7	Jun 5, 2024 17:04	4,186	61,619,357	32,759,000	1,985,000	2,490,368
8	Jun 5, 2024 17:04	4,187	59,795,795	34,750,000	0	2,486,272
9	Jun 5, 2024 17:04	4,195	58,775,833	32,827,000	1,989,000	2,273,280
10	Jun 5, 2024 17:03	4,195	58,865,062	32,833,000	1,989,000	2,482,176
11	Jun 5, 2024 17:03	4,198	64,362,481	31,854,000	2,986,000	2,273,280
12	Jun 5, 2024 17:03	4,198	61,024,592	31,859,000	2,986,000	2,273,280
13	Jun 5, 2024 17:04	4,199	59,284,329	33,830,000	1,025,000	2,273,280
14	Jun 5, 2024 17:03	4,199	59,602,515	32,863,000	1,991,000	2,478,080
15	Jun 5, 2024 17:03	4,201	59,907,648	31,877,000	2,988,000	2,273,280
16	Jun 5, 2024 17:04	4,206	62,678,955	32,914,000	1,994,000	2,281,472
17	Jun 5, 2024 17:04	4,210	58,410,667	31,951,000	2,995,000	2,273,280
18	Jun 5, 2024 17:03	4,210	57,392,815	31,946,000	2,994,000	2,486,272
19	Jun 5, 2024 17:04	4,211	57,116,826	31,953,000	2,995,000	2,273,280
20	Jun 5, 2024 17:03	4,214	60,087,999	32,977,000	1,998,000	2,482,176
21	Jun 5, 2024 17:03	4,217	57,157,614	32,005,000	3,000,000	2,351,104
22	Jun 5, 2024 17:04	4,218	55,691,042	32,007,000	3,000,000	2,486,272
23	Jun 5, 2024 17:04	4,218	61,497,588	32,008,000	3,000,000	2,420,736
24	Jun 5, 2024 17:03	4,219	59,207,584	32,017,000	3,001,000	2,273,280
25	Jun 5, 2024 17:04	4,220	56,643,907	33,021,000	2,001,000	2,482,176
26	Jun 5, 2024 17:04	4,222	58,461,698	32,040,000	3,003,000	2,490,368
27	Jun 5, 2024 17:04	4,223	63,388,800	32,051,000	3,004,000	2,273,280
28	Jun 5, 2024 17:04	4,230	57,859,273	32,096,000	3,009,000	2,273,280
29	Jun 5, 2024 17:04	4,232	62,977,916	33,121,000	2,007,000	2,347,008
30	Jun 5, 2024 17:04	4,232	55,794,084	32,112,000	3,010,000	2,482,176
31	Jun 5, 2024 17:04	4,240	57,683,346	33,181,000	2,010,000	2,273,280
32	Jun 5, 2024 17:04	4,241	58,768,176	32,187,000	3,017,000	2,486,272
33	Jun 5, 2024 17:04	4,243	57,563,294	34,208,000	1,006,000	2,482,176
34	Jun 5, 2024 17:04	4,243	62,591,309	33,209,000	2,012,000	2,486,272
35	Jun 5, 2024 17:03	4,244	63,300,166	34,216,000	1,006,000	2,273,280
36	Jun 5, 2024 17:04	4,247	58,681,237	33,237,000	2,014,000	2,490,368
37	Jun 5, 2024 17:04	4,252	62,303,664	33,279,000	2,016,000	2,273,280
38	Jun 5, 2024 17:03	4,255	60,305,665	33,300,000	2,018,000	2,273,280
39	Jun 5, 2024 17:04	4,256	62,608,025	33,309,000	2,018,000	2,490,368
40	Jun 5, 2024 17:04	4,257	56,306,341	32,307,000	3,028,000	2,482,176
41	Jun 5, 2024 17:04	4,257	53,408,328	33,314,000	2,019,000	2,482,176
42	Jun 5, 2024 17:03	4,257	60,749,460	32,304,000	3,028,000	2,273,280
43	Jun 5, 2024 17:04	4,258	61,175,875	32,314,000	3,029,000	2,273,280
44	Jun 5, 2024 17:03	4,259	59,602,569	33,331,000	2,020,000	2,273,280
45	Jun 5, 2024 17:03	4,260	61,714,095	32,327,000	3,030,000	2,273,280
46	Jun 5, 2024 17:04	4,264	67,048,206	32,359,000	3,033,000	2,490,368
47	Jun 5, 2024 17:04	4,265	58,248,322	32,365,000	3,034,000	2,273,280
48	Jun 5, 2024 17:04	4,265	58,149,890	32,363,000	3,034,000	2,273,280
49	Jun 5, 2024 17:03	4,266	59,523,529	35,408,000	0	2,494,464
50	Jun 5, 2024 17:03	4,267	63,132,961	32,383,000	3,035,000	2,273,280
51	Jun 5, 2024 17:04	4,270	61,845,474	34,425,000	1,012,000	2,490,368
52	Jun 5, 2024 17:04	4,273	59,265,369	33,440,000	2,026,000	2,273,280
53	Jun 5, 2024 17:03	4,273	58,103,600	33,440,000	2,026,000	2,314,240
54	Jun 5, 2024 17:04	4,274	63,638,378	33,446,000	2,027,000	2,273,280
55	Jun 5, 2024 17:04	4,280	56,993,560	34,513,000	1,015,000	2,273,280
56	Jun 5, 2024 17:04	4,283	60,965,651	33,516,000	2,031,000	2,273,280
57	Jun 5, 2024 17:04	4,285	61,486,172	33,537,000	2,032,000	2,490,368
58	Jun 5, 2024 17:04	4,292	59,727,004	35,621,000	0	2,347,008
59	Jun 5, 2024 17:04	4,293	66,455,217	33,595,000	2,036,000	2,273,280
60	Jun 5, 2024 17:04	4,297	61,549,398	33,625,000	2,037,000	2,273,280
61	Jun 5, 2024 17:04	4,297	66,208,406	33,628,000	2,038,000	2,273,280
62	Jun 5, 2024 17:04	4,298	67,179,576	33,634,000	2,038,000	2,273,280
63	Jun 5, 2024 17:04	4,299	60,935,486	33,642,000	2,038,000	2,482,176
64	Jun 5, 2024 17:03	4,299	61,249,581	33,644,000	2,039,000	2,273,280
65	Jun 5, 2024 17:04	4,310	61,124,775	33,789,000	1,987,000	2,273,280
66	Jun 5, 2024 17:04	4,316	63,544,064	32,838,000	2,985,000	2,273,280
67	Jun 5, 2024 17:04	4,316	65,139,111	34,831,000	995,000	2,273,280
68	Jun 5, 2024 17:03	4,316	62,331,739	33,830,000	1,990,000	2,482,176
69	Jun 5, 2024 17:04	4,317	59,120,340	32,843,000	2,985,000	2,490,368
70	Jun 5, 2024 17:04	4,317	61,780,733	34,838,000	995,000	2,273,280
71	Jun 5, 2024 17:04	4,317	62,541,176	33,842,000	1,990,000	2,486,272
72	Jun 5, 2024 17:04	4,317	59,706,916	33,844,000	1,990,000	2,473,984
73	Jun 5, 2024 17:03	4,317	64,007,341	32,849,000	2,986,000	2,490,368
74	Jun 5, 2024 17:04	4,318	60,316,909	33,846,000	1,990,000	2,494,464
75	Jun 5, 2024 17:04	4,319	60,474,469	34,849,000	995,000	2,486,272
76	Jun 5, 2024 17:03	4,321	63,675,806	33,817,000	2,049,000	2,494,464
77	Jun 5, 2024 17:03	4,322	64,320,282	32,883,000	2,989,000	2,490,368
78	Jun 5, 2024 17:04	4,326	63,163,816	32,914,000	2,992,000	2,273,280
79	Jun 5, 2024 17:04	4,326	60,205,349	32,911,000	2,991,000	2,273,280
80	Jun 5, 2024 17:04	4,329	64,992,765	33,934,000	1,996,000	2,273,280
81	Jun 5, 2024 17:04	4,331	56,239,486	31,957,000	3,994,000	2,273,280
82	Jun 5, 2024 17:04	4,333	60,888,987	33,969,000	1,998,000	2,293,760
83	Jun 5, 2024 17:04	4,338	59,755,997	33,004,000	3,000,000	2,273,280
84	Jun 5, 2024 17:04	4,338	62,430,687	33,002,000	3,000,000	2,490,368
85	Jun 5, 2024 17:04	4,339	60,451,435	33,011,000	3,001,000	2,478,080
86	Jun 5, 2024 17:04	4,340	57,220,876	33,021,000	3,001,000	2,383,872
87	Jun 5, 2024 17:04	4,353	60,789,120	34,121,000	2,007,000	2,490,368
88	Jun 5, 2024 17:04	4,356	62,918,982	34,149,000	2,008,000	2,273,280
89	Jun 5, 2024 17:04	4,360	57,970,915	34,179,000	2,010,000	2,281,472
90	Jun 5, 2024 17:03	4,377	63,649,607	34,307,000	2,018,000	2,265,088
91	Jun 5, 2024 17:04	4,379	57,701,381	34,326,000	2,019,000	2,273,280
92	Jun 5, 2024 17:04	4,402	100,744,190	36,538,160	0	2,240,512
93	Jun 5, 2024 17:04	4,416	62,816,441	34,617,000	2,036,000	2,273,280
94	Jun 5, 2024 17:04	4,419	98,909,243	36,679,736	0	2,244,608
95	Jun 5, 2024 17:03	4,429	111,789,952	36,762,592	0	2,232,320
96	Jun 5, 2024 17:03	4,436	110,565,813	36,818,151	0	2,236,416
97	Jun 5, 2024 17:04	4,437	106,582,785	36,829,416	0	2,236,416
98	Jun 5, 2024 17:04	4,437	63,381,670	34,837,000	1,990,000	2,273,280
99	Jun 5, 2024 17:04	4,442	101,160,872	36,866,602	0	2,244,608
100	Jun 5, 2024 17:04	4,446	123,980,733	36,899,767	0	2,240,512
101	Jun 5, 2024 17:03	4,452	112,841,308	36,948,252	0	2,248,704
102	Jun 5, 2024 17:04	4,452	97,554,379	36,950,230	0	2,240,512
103	Jun 5, 2024 17:04	4,453	98,841,897	36,962,819	0	2,240,512
104	Jun 5, 2024 17:03	4,460	99,516,971	37,019,965	0	2,232,320
105	Jun 5, 2024 17:03	4,464	111,184,259	37,048,506	0	2,248,704
106	Jun 5, 2024 17:04	4,464	91,930,923	37,051,365	0	2,236,416
107	Jun 5, 2024 17:04	4,472	105,205,774	37,115,854	0	2,375,680
108	Jun 5, 2024 17:04	4,476	93,302,773	37,149,451	0	2,232,320
109	Jun 5, 2024 17:04	4,508	101,613,407	37,416,943	0	2,244,608
110	Jun 5, 2024 17:04	4,537	105,328,362	37,653,802	0	2,236,416
111	Jun 5, 2024 17:04	4,556	98,911,284	37,810,835	0	2,240,512
112	Jun 5, 2024 17:04	4,565	113,466,858	37,892,332	0	2,244,608
113	Jun 5, 2024 17:04	4,569	103,890,955	37,925,320	0	2,236,416
114	Jun 5, 2024 17:04	4,571	110,042,845	37,937,988	0	2,244,608
115	Jun 5, 2024 17:04	4,574	91,478,231	37,964,787	0	2,240,512
116	Jun 5, 2024 17:04	4,579	107,905,151	38,006,425	0	2,236,416
117	Jun 5, 2024 17:03	4,650	108,418,557	38,594,843	0	2,240,512

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