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 4, 2024 04:10	5,071	67,135,791	40,083,000	2,004,000	2,273,280
2	Jun 4, 2024 04:10	5,072	63,862,368	41,092,000	1,002,000	2,273,280
3	Jun 4, 2024 04:10	5,073	63,682,333	40,099,000	2,004,000	2,396,160
4	Jun 4, 2024 04:10	5,075	61,374,528	41,117,000	1,002,000	2,400,256
5	Jun 4, 2024 04:11	5,076	63,554,476	41,125,000	1,003,000	2,273,280
6	Jun 4, 2024 04:11	5,076	69,088,036	41,130,000	1,003,000	2,273,280
7	Jun 4, 2024 04:10	5,076	62,111,747	40,121,000	2,006,000	2,400,256
8	Jun 4, 2024 04:10	5,077	66,759,966	41,133,000	1,003,000	2,400,256
9	Jun 4, 2024 04:10	5,077	63,557,781	40,134,000	2,006,000	2,396,160
10	Jun 4, 2024 04:11	5,079	69,988,698	40,152,000	2,007,000	2,400,256
11	Jun 4, 2024 04:10	5,079	66,249,517	40,151,000	2,007,000	2,273,280
12	Jun 4, 2024 04:11	5,081	66,565,988	41,166,000	1,004,000	2,273,280
13	Jun 4, 2024 04:10	5,081	64,324,929	40,168,000	2,008,000	2,396,160
14	Jun 4, 2024 04:10	5,081	67,146,910	40,168,000	2,008,000	2,273,280
15	Jun 4, 2024 04:11	5,082	64,094,735	41,177,000	1,004,000	2,396,160
16	Jun 4, 2024 04:11	5,083	64,996,744	40,179,000	2,008,000	2,392,064
17	Jun 4, 2024 04:11	5,083	70,695,459	40,184,000	2,009,000	2,392,064
18	Jun 4, 2024 04:11	5,084	65,399,843	41,191,000	1,004,000	2,510,848
19	Jun 4, 2024 04:11	5,084	68,829,631	40,189,000	2,009,000	2,273,280
20	Jun 4, 2024 04:10	5,084	64,489,945	40,186,000	2,009,000	2,408,448
21	Jun 4, 2024 04:10	5,085	65,306,876	41,199,000	1,004,000	2,273,280
22	Jun 4, 2024 04:10	5,085	71,847,374	40,199,000	2,009,000	2,392,064
23	Jun 4, 2024 04:10	5,085	64,399,736	40,197,000	2,009,000	2,404,352
24	Jun 4, 2024 04:10	5,086	63,572,601	40,203,000	2,010,000	2,273,280
25	Jun 4, 2024 04:10	5,086	64,299,502	40,204,000	2,010,000	2,396,160
26	Jun 4, 2024 04:11	5,087	66,491,926	40,212,000	2,010,000	2,273,280
27	Jun 4, 2024 04:11	5,087	64,564,854	41,214,000	1,005,000	2,273,280
28	Jun 4, 2024 04:11	5,087	67,378,073	40,208,000	2,010,000	2,400,256
29	Jun 4, 2024 04:11	5,088	66,546,675	40,223,000	2,011,000	2,273,280
30	Jun 4, 2024 04:11	5,088	69,284,486	40,217,000	2,010,000	2,400,256
31	Jun 4, 2024 04:10	5,088	71,197,695	40,220,000	2,011,000	2,400,256
32	Jun 4, 2024 04:11	5,089	65,270,068	41,235,000	1,005,000	2,273,280
33	Jun 4, 2024 04:11	5,089	61,296,546	40,231,000	2,011,000	2,273,280
34	Jun 4, 2024 04:10	5,089	66,097,150	41,234,000	1,005,000	2,273,280
35	Jun 4, 2024 04:11	5,090	65,752,033	40,239,000	2,011,000	2,400,256
36	Jun 4, 2024 04:10	5,090	66,560,133	41,240,000	1,005,000	2,408,448
37	Jun 4, 2024 04:10	5,090	63,810,039	40,239,000	2,011,000	2,400,256
38	Jun 4, 2024 04:10	5,091	64,406,754	41,247,000	1,006,000	2,273,280
39	Jun 4, 2024 04:10	5,092	63,097,877	40,250,000	2,012,000	2,273,280
40	Jun 4, 2024 04:10	5,092	63,709,219	40,253,000	2,012,000	2,387,968
41	Jun 4, 2024 04:10	5,092	68,316,290	41,257,000	1,006,000	2,273,280
42	Jun 4, 2024 04:10	5,093	70,518,097	40,256,000	2,012,000	2,273,280
43	Jun 4, 2024 04:11	5,094	67,603,686	40,266,000	2,013,000	2,273,280
44	Jun 4, 2024 04:11	5,094	65,453,943	40,271,000	2,013,000	2,400,256
45	Jun 4, 2024 04:10	5,094	75,187,240	41,272,000	1,006,000	2,400,256
46	Jun 4, 2024 04:10	5,094	67,062,624	41,275,000	1,006,000	2,404,352
47	Jun 4, 2024 04:10	5,094	76,662,757	40,264,000	2,013,000	2,519,040
48	Jun 4, 2024 04:11	5,095	62,226,899	40,276,000	2,013,000	2,273,280
49	Jun 4, 2024 04:11	5,095	68,524,700	40,278,000	2,013,000	2,400,256
50	Jun 4, 2024 04:11	5,095	69,882,097	41,279,000	1,006,000	2,273,280
51	Jun 4, 2024 04:11	5,096	70,188,433	41,291,000	1,007,000	2,392,064
52	Jun 4, 2024 04:10	5,096	63,822,263	40,285,000	2,014,000	2,400,256
53	Jun 4, 2024 04:11	5,097	64,829,357	41,295,000	1,007,000	2,404,352
54	Jun 4, 2024 04:11	5,097	70,376,948	40,292,000	2,014,000	2,273,280
55	Jun 4, 2024 04:10	5,097	68,908,128	41,295,000	1,007,000	2,273,280
56	Jun 4, 2024 04:10	5,098	68,659,860	42,314,000	0	2,273,280
57	Jun 4, 2024 04:10	5,098	61,336,994	42,312,000	0	2,404,352
58	Jun 4, 2024 04:10	5,099	65,679,185	42,324,000	0	2,273,280
59	Jun 4, 2024 04:10	5,099	66,609,948	41,314,000	1,007,000	2,396,160
60	Jun 4, 2024 04:10	5,099	64,446,513	41,316,000	1,007,000	2,273,280
61	Jun 4, 2024 04:10	5,099	65,197,503	42,322,000	0	2,273,280
62	Jun 4, 2024 04:10	5,100	64,488,532	40,311,000	2,015,000	2,273,280
63	Jun 4, 2024 04:11	5,101	70,460,572	40,322,000	2,016,000	2,273,280
64	Jun 4, 2024 04:10	5,101	61,452,106	41,329,000	1,008,000	2,400,256
65	Jun 4, 2024 04:10	5,103	64,107,067	40,341,000	2,017,000	2,396,160
66	Jun 4, 2024 04:10	5,103	72,222,792	41,350,000	1,008,000	2,408,448
67	Jun 4, 2024 04:10	5,103	72,063,641	41,344,000	1,008,000	2,404,352
68	Jun 4, 2024 04:11	5,104	71,656,311	42,362,000	0	2,273,280
69	Jun 4, 2024 04:10	5,105	73,229,566	41,360,000	1,008,000	2,273,280
70	Jun 4, 2024 04:11	5,107	70,354,382	41,376,000	1,009,000	2,273,280
71	Jun 4, 2024 04:10	5,107	68,903,317	41,381,000	1,009,000	2,273,280
72	Jun 4, 2024 04:10	5,107	64,163,460	41,381,000	1,009,000	2,392,064
73	Jun 4, 2024 04:10	5,107	67,782,614	41,375,000	1,009,000	2,273,280
74	Jun 4, 2024 04:11	5,108	69,909,824	42,396,000	0	2,400,256
75	Jun 4, 2024 04:11	5,109	66,514,428	41,392,000	1,009,000	2,273,280
76	Jun 4, 2024 04:10	5,109	69,132,008	42,407,000	0	2,273,280
77	Jun 4, 2024 04:10	5,109	70,058,567	41,398,000	1,009,000	2,273,280
78	Jun 4, 2024 04:11	5,113	71,362,431	42,439,000	0	2,392,064
79	Jun 4, 2024 04:11	5,114	68,079,151	41,436,000	1,010,000	2,400,256
80	Jun 4, 2024 04:10	5,114	66,383,786	42,446,000	0	2,273,280
81	Jun 4, 2024 04:11	5,115	64,862,850	42,457,000	0	2,273,280
82	Jun 4, 2024 04:10	5,119	68,543,182	42,486,000	0	2,273,280
83	Jun 4, 2024 04:11	5,120	65,843,313	41,486,000	1,011,000	2,408,448
84	Jun 4, 2024 04:10	5,128	71,420,909	41,548,000	1,013,000	2,514,944
85	Jun 4, 2024 04:11	5,135	73,140,489	41,603,000	1,014,000	2,273,280
86	Jun 4, 2024 04:10	5,141	72,265,328	42,670,000	0	2,273,280
87	Jun 4, 2024 04:10	5,142	67,768,319	42,676,000	0	2,273,280
88	Jun 4, 2024 04:11	5,144	73,663,459	42,692,000	0	2,273,280
89	Jun 4, 2024 04:10	5,176	70,971,760	41,962,000	999,000	2,273,280
90	Jun 4, 2024 04:10	5,195	65,287,670	41,110,000	2,005,000	2,273,280
91	Jun 4, 2024 04:10	5,284	117,928,343	43,856,634	0	2,285,568
92	Jun 4, 2024 04:10	5,286	100,200,846	43,876,651	0	2,252,800
93	Jun 4, 2024 04:11	5,286	106,322,915	43,876,492	0	2,289,664
94	Jun 4, 2024 04:10	5,287	106,073,584	43,878,821	0	2,297,856
95	Jun 4, 2024 04:10	5,287	110,640,420	43,882,394	0	2,293,760
96	Jun 4, 2024 04:11	5,287	113,672,562	43,882,394	0	2,281,472
97	Jun 4, 2024 04:11	5,287	116,813,217	43,885,743	0	2,289,664
98	Jun 4, 2024 04:11	5,287	112,642,889	43,881,245	0	2,285,568
99	Jun 4, 2024 04:11	5,289	108,318,619	43,902,204	0	2,281,472
100	Jun 4, 2024 04:10	5,291	105,701,912	43,917,533	0	2,285,568
101	Jun 4, 2024 04:11	5,292	103,088,734	43,924,020	0	2,285,568
102	Jun 4, 2024 04:10	5,294	128,714,411	43,941,042	0	2,281,472
103	Jun 4, 2024 04:11	5,294	105,670,870	43,944,266	0	2,293,760
104	Jun 4, 2024 04:11	5,295	111,306,118	43,950,226	0	2,293,760
105	Jun 4, 2024 04:10	5,296	110,853,861	43,953,097	0	2,289,664
106	Jun 4, 2024 04:10	5,296	115,967,586	43,957,072	0	2,285,568
107	Jun 4, 2024 04:11	5,296	115,200,062	43,956,916	0	2,293,760
108	Jun 4, 2024 04:11	5,298	121,231,980	43,977,169	0	2,289,664
109	Jun 4, 2024 04:10	5,301	103,675,780	43,994,686	0	2,285,568
110	Jun 4, 2024 04:10	5,302	110,638,789	44,006,096	0	2,289,664
111	Jun 4, 2024 04:10	5,302	118,617,648	44,004,460	0	2,289,664
112	Jun 4, 2024 04:10	5,305	121,027,737	44,028,565	0	2,277,376
113	Jun 4, 2024 04:11	5,305	120,159,962	44,034,645	0	2,297,856
114	Jun 4, 2024 04:11	5,308	113,605,711	44,054,210	0	2,273,280
115	Jun 4, 2024 04:11	5,309	119,551,444	44,065,288	0	2,281,472
116	Jun 4, 2024 04:11	5,311	100,101,929	44,083,405	0	2,277,376
117	Jun 4, 2024 04:11	5,314	112,187,908	44,108,620	0	2,277,376
118	Jun 4, 2024 04:10	5,318	100,154,754	44,141,616	0	2,277,376
119	Jun 4, 2024 04:10	5,330	111,399,370	44,239,307	0	2,281,472
120	Jun 4, 2024 04:10	5,333	108,299,279	44,261,744	0	2,281,472
121	Jun 4, 2024 04:10	5,333	122,856,704	44,260,206	0	2,285,568
122	Jun 4, 2024 04:10	5,336	118,970,551	44,285,201	0	2,289,664
123	Jun 4, 2024 04:10	5,373	108,388,696	44,597,476	0	2,281,472
124	Jun 4, 2024 04:10	5,948	71,867,362	49,367,000	0	2,273,280
125	Jun 4, 2024 04:10	5,953	74,278,082	49,406,000	0	2,273,280
126	Jun 4, 2024 04:11	5,956	74,610,144	48,430,000	1,008,000	2,404,352
127	Jun 4, 2024 04:10	5,959	74,228,833	48,450,000	1,009,000	2,400,256
128	Jun 4, 2024 04:10	5,959	70,716,250	49,457,000	0	2,396,160
129	Jun 4, 2024 04:11	5,963	73,941,012	48,486,000	1,010,000	2,273,280
130	Jun 4, 2024 04:10	5,967	73,570,942	48,515,000	1,010,000	2,400,256
131	Jun 4, 2024 04:11	5,969	76,597,699	48,535,000	1,011,000	2,273,280
132	Jun 4, 2024 04:11	5,971	77,208,247	48,549,000	1,011,000	2,273,280
133	Jun 4, 2024 04:10	5,974	78,624,005	49,588,000	0	2,273,280
134	Jun 4, 2024 04:10	5,977	76,423,638	48,597,000	1,012,000	2,396,160
135	Jun 4, 2024 04:10	5,981	79,787,350	48,629,000	1,013,000	2,400,256
136	Jun 4, 2024 04:10	5,981	74,763,011	48,628,000	1,013,000	2,400,256
137	Jun 4, 2024 04:10	6,001	75,299,850	48,816,000	996,000	2,396,160
138	Jun 4, 2024 04:10	6,002	80,778,478	48,817,000	996,000	2,273,280
139	Jun 4, 2024 04:10	6,002	78,681,030	47,827,000	1,992,000	2,273,280
140	Jun 4, 2024 04:11	6,003	81,332,457	49,824,000	0	2,387,968
141	Jun 4, 2024 04:11	6,005	76,175,440	47,845,000	1,993,000	2,273,280
142	Jun 4, 2024 04:11	6,009	72,443,383	47,879,000	1,994,000	2,404,352
143	Jun 4, 2024 04:10	6,017	79,449,330	47,944,000	1,997,000	2,404,352
144	Jun 4, 2024 04:10	6,026	72,301,832	49,015,000	1,000,000	2,396,160
145	Jun 4, 2024 04:11	6,031	74,272,693	49,055,000	1,001,000	2,273,280
146	Jun 4, 2024 04:10	6,034	71,952,699	49,084,000	1,001,000	2,392,064
147	Jun 4, 2024 04:10	6,045	74,969,109	50,171,000	0	2,273,280
148	Jun 4, 2024 04:10	6,047	80,926,898	48,180,000	2,007,000	2,273,280
149	Jun 4, 2024 04:10	6,073	72,228,891	49,396,000	1,008,000	2,273,280
150	Jun 4, 2024 04:11	6,253	81,097,263	49,900,000	1,996,000	2,400,256

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