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 04:03	5,064	63,968,006	41,035,000	1,000,000	2,273,280
2	Jun 4, 2024 04:02	5,071	67,781,618	40,088,000	2,004,000	2,273,280
3	Jun 4, 2024 04:02	5,073	67,635,132	40,100,000	2,005,000	2,273,280
4	Jun 4, 2024 04:02	5,073	66,266,961	40,099,000	2,004,000	2,273,280
5	Jun 4, 2024 04:01	5,073	66,253,217	41,102,000	1,002,000	2,400,256
6	Jun 4, 2024 04:02	5,075	63,406,169	41,122,000	1,002,000	2,273,280
7	Jun 4, 2024 04:02	5,076	74,088,073	42,130,000	0	2,273,280
8	Jun 4, 2024 04:02	5,079	71,998,994	40,152,000	2,007,000	2,273,280
9	Jun 4, 2024 04:02	5,080	64,257,372	41,162,000	1,003,000	2,514,944
10	Jun 4, 2024 04:02	5,081	66,561,823	40,165,000	2,008,000	2,273,280
11	Jun 4, 2024 04:02	5,081	70,078,586	41,171,000	1,004,000	2,273,280
12	Jun 4, 2024 04:03	5,082	76,541,072	40,174,000	2,008,000	2,273,280
13	Jun 4, 2024 04:02	5,082	67,366,045	40,172,000	2,008,000	2,400,256
14	Jun 4, 2024 04:02	5,082	67,753,794	40,174,000	2,008,000	2,273,280
15	Jun 4, 2024 04:03	5,083	64,605,565	40,182,000	2,009,000	2,273,280
16	Jun 4, 2024 04:03	5,083	67,050,764	41,187,000	1,004,000	2,396,160
17	Jun 4, 2024 04:02	5,083	65,809,180	40,183,000	2,009,000	2,273,280
18	Jun 4, 2024 04:02	5,083	73,119,411	41,186,000	1,004,000	2,396,160
19	Jun 4, 2024 04:01	5,083	66,869,769	40,181,000	2,009,000	2,273,280
20	Jun 4, 2024 04:03	5,084	64,852,821	41,191,000	1,004,000	2,396,160
21	Jun 4, 2024 04:03	5,084	65,660,998	40,191,000	2,009,000	2,273,280
22	Jun 4, 2024 04:02	5,084	69,149,896	41,190,000	1,004,000	2,273,280
23	Jun 4, 2024 04:01	5,084	63,584,056	41,193,000	1,004,000	2,273,280
24	Jun 4, 2024 04:03	5,085	66,605,341	40,197,000	2,009,000	2,273,280
25	Jun 4, 2024 04:02	5,086	64,373,873	40,207,000	2,010,000	2,273,280
26	Jun 4, 2024 04:02	5,086	72,562,874	40,201,000	2,010,000	2,273,280
27	Jun 4, 2024 04:02	5,087	65,087,331	40,208,000	2,010,000	2,273,280
28	Jun 4, 2024 04:02	5,088	69,897,996	41,225,000	1,005,000	2,396,160
29	Jun 4, 2024 04:02	5,089	65,707,999	40,230,000	2,011,000	2,400,256
30	Jun 4, 2024 04:02	5,090	61,031,567	41,245,000	1,005,000	2,273,280
31	Jun 4, 2024 04:02	5,091	64,735,147	41,248,000	1,006,000	2,273,280
32	Jun 4, 2024 04:02	5,092	69,026,607	41,259,000	1,006,000	2,273,280
33	Jun 4, 2024 04:02	5,092	65,232,296	41,258,000	1,006,000	2,273,280
34	Jun 4, 2024 04:01	5,092	74,645,066	40,253,000	2,012,000	2,273,280
35	Jun 4, 2024 04:02	5,093	70,651,417	40,259,000	2,012,000	2,510,848
36	Jun 4, 2024 04:01	5,093	61,326,606	41,262,000	1,006,000	2,273,280
37	Jun 4, 2024 04:02	5,094	65,228,593	40,264,000	2,013,000	2,396,160
38	Jun 4, 2024 04:02	5,094	71,297,285	40,269,000	2,013,000	2,273,280
39	Jun 4, 2024 04:03	5,095	77,445,334	40,276,000	2,013,000	2,273,280
40	Jun 4, 2024 04:02	5,095	64,963,637	41,282,000	1,006,000	2,273,280
41	Jun 4, 2024 04:01	5,095	62,458,225	40,274,000	2,013,000	2,510,848
42	Jun 4, 2024 04:02	5,096	71,332,767	41,291,000	1,007,000	2,273,280
43	Jun 4, 2024 04:01	5,097	73,027,407	42,308,000	0	2,396,160
44	Jun 4, 2024 04:01	5,097	63,884,250	41,299,000	1,007,000	2,506,752
45	Jun 4, 2024 04:02	5,098	69,653,945	42,314,000	0	2,273,280
46	Jun 4, 2024 04:02	5,099	67,770,539	41,312,000	1,007,000	2,273,280
47	Jun 4, 2024 04:01	5,099	62,380,614	42,321,000	0	2,510,848
48	Jun 4, 2024 04:01	5,099	64,702,479	41,315,000	1,007,000	2,273,280
49	Jun 4, 2024 04:02	5,100	66,377,192	42,327,000	0	2,392,064
50	Jun 4, 2024 04:01	5,100	72,820,561	40,359,000	1,968,000	2,273,280
51	Jun 4, 2024 04:01	5,100	67,467,304	42,333,000	0	2,273,280
52	Jun 4, 2024 04:03	5,101	67,074,994	41,332,000	1,008,000	2,273,280
53	Jun 4, 2024 04:02	5,101	67,318,955	41,334,000	1,008,000	2,404,352
54	Jun 4, 2024 04:02	5,102	64,699,327	41,338,000	1,008,000	2,273,280
55	Jun 4, 2024 04:02	5,102	69,093,093	41,338,000	1,008,000	2,273,280
56	Jun 4, 2024 04:02	5,103	69,449,795	41,351,000	1,008,000	2,400,256
57	Jun 4, 2024 04:02	5,104	67,601,158	42,365,000	0	2,510,848
58	Jun 4, 2024 04:02	5,105	70,482,067	41,364,000	1,008,000	2,273,280
59	Jun 4, 2024 04:02	5,107	63,378,319	41,381,000	1,009,000	2,273,280
60	Jun 4, 2024 04:01	5,109	65,247,222	41,397,000	1,009,000	2,273,280
61	Jun 4, 2024 04:01	5,110	64,948,927	41,405,000	1,009,000	2,273,280
62	Jun 4, 2024 04:01	5,111	71,592,642	41,412,000	1,010,000	2,273,280
63	Jun 4, 2024 04:02	5,112	64,238,573	42,426,000	0	2,510,848
64	Jun 4, 2024 04:01	5,113	65,287,143	41,432,000	1,010,000	2,273,280
65	Jun 4, 2024 04:02	5,115	63,648,480	41,445,000	1,010,000	2,273,280
66	Jun 4, 2024 04:02	5,115	68,430,288	42,451,000	0	2,396,160
67	Jun 4, 2024 04:02	5,119	65,167,945	41,475,000	1,011,000	2,273,280
68	Jun 4, 2024 04:02	5,120	64,496,180	41,486,000	1,011,000	2,400,256
69	Jun 4, 2024 04:01	5,122	66,801,296	41,497,000	1,012,000	2,273,280
70	Jun 4, 2024 04:02	5,131	71,653,942	42,585,000	0	2,273,280
71	Jun 4, 2024 04:02	5,165	67,355,858	42,871,000	0	2,400,256
72	Jun 4, 2024 04:01	5,215	65,001,211	41,273,000	2,013,000	2,273,280
73	Jun 4, 2024 04:02	5,287	106,338,055	43,882,463	0	2,285,568
74	Jun 4, 2024 04:01	5,288	101,071,424	43,890,192	0	2,289,664
75	Jun 4, 2024 04:02	5,291	113,125,030	43,916,752	0	2,281,472
76	Jun 4, 2024 04:02	5,291	110,625,419	43,912,774	0	2,293,760
77	Jun 4, 2024 04:01	5,293	115,606,763	43,929,829	0	2,277,376
78	Jun 4, 2024 04:02	5,293	117,779,756	43,930,368	0	2,297,856
79	Jun 4, 2024 04:01	5,294	111,700,925	43,938,316	0	2,277,376
80	Jun 4, 2024 04:01	5,294	102,931,358	43,937,541	0	2,293,760
81	Jun 4, 2024 04:01	5,294	101,695,208	43,943,332	0	2,281,472
82	Jun 4, 2024 04:02	5,294	113,649,731	43,941,033	0	2,285,568
83	Jun 4, 2024 04:02	5,294	100,222,793	43,942,397	0	2,281,472
84	Jun 4, 2024 04:02	5,294	115,008,390	43,938,733	0	2,285,568
85	Jun 4, 2024 04:02	5,295	105,093,902	43,951,431	0	2,293,760
86	Jun 4, 2024 04:03	5,295	107,687,490	43,944,755	0	2,285,568
87	Jun 4, 2024 04:03	5,295	102,952,430	43,950,978	0	2,285,568
88	Jun 4, 2024 04:02	5,296	103,801,071	43,960,719	0	2,285,568
89	Jun 4, 2024 04:02	5,297	110,182,714	43,965,439	0	2,285,568
90	Jun 4, 2024 04:02	5,297	121,851,625	43,961,515	0	2,289,664
91	Jun 4, 2024 04:01	5,299	103,853,056	43,978,334	0	2,281,472
92	Jun 4, 2024 04:02	5,299	108,201,526	43,983,499	0	2,277,376
93	Jun 4, 2024 04:01	5,300	105,997,850	43,989,067	0	2,285,568
94	Jun 4, 2024 04:03	5,300	126,643,585	43,993,847	0	2,297,856
95	Jun 4, 2024 04:01	5,302	103,918,477	44,005,005	0	2,285,568
96	Jun 4, 2024 04:01	5,304	102,406,731	44,026,459	0	2,277,376
97	Jun 4, 2024 04:02	5,309	123,932,503	44,061,602	0	2,281,472
98	Jun 4, 2024 04:02	5,312	111,274,122	44,089,388	0	2,285,568
99	Jun 4, 2024 04:02	5,313	109,638,925	44,096,340	0	2,289,664
100	Jun 4, 2024 04:02	5,315	112,011,522	44,112,479	0	2,281,472
101	Jun 4, 2024 04:02	5,320	111,849,861	44,157,525	0	2,277,376
102	Jun 4, 2024 04:01	5,323	106,562,725	44,176,861	0	2,289,664
103	Jun 4, 2024 04:01	5,334	109,151,200	44,269,076	0	2,289,664
104	Jun 4, 2024 04:02	5,342	102,573,532	44,339,005	0	2,277,376
105	Jun 4, 2024 04:01	5,364	110,670,342	44,521,696	0	2,281,472
106	Jun 4, 2024 04:02	5,953	79,317,358	48,404,000	1,008,000	2,273,280
107	Jun 4, 2024 04:01	5,957	73,000,435	49,441,000	0	2,396,160
108	Jun 4, 2024 04:02	5,958	81,517,698	49,455,000	0	2,273,280
109	Jun 4, 2024 04:02	5,960	78,352,512	48,458,000	1,009,000	2,273,280
110	Jun 4, 2024 04:01	5,960	75,993,809	49,470,000	0	2,392,064
111	Jun 4, 2024 04:02	5,971	75,914,785	48,547,000	1,011,000	2,273,280
112	Jun 4, 2024 04:01	5,971	78,747,863	48,551,000	1,011,000	2,273,280
113	Jun 4, 2024 04:02	5,976	75,683,406	49,601,000	0	2,273,280
114	Jun 4, 2024 04:02	5,977	75,727,049	49,605,000	0	2,273,280
115	Jun 4, 2024 04:02	5,977	76,543,158	49,610,000	0	2,273,280
116	Jun 4, 2024 04:01	5,978	77,861,573	48,609,000	1,012,000	2,273,280
117	Jun 4, 2024 04:02	5,983	73,338,573	48,644,000	1,013,000	2,396,160
118	Jun 4, 2024 04:01	6,004	74,985,437	47,838,000	1,993,000	2,273,280
119	Jun 4, 2024 04:02	6,011	73,422,275	48,896,000	997,000	2,392,064
120	Jun 4, 2024 04:02	6,012	73,744,618	48,903,000	998,000	2,392,064
121	Jun 4, 2024 04:01	6,014	74,625,955	47,920,000	1,996,000	2,273,280
122	Jun 4, 2024 04:02	6,018	76,530,676	48,954,000	999,000	2,273,280
123	Jun 4, 2024 04:02	6,047	76,518,168	49,189,000	1,003,000	2,273,280
124	Jun 4, 2024 04:02	6,076	75,489,665	50,432,000	0	2,396,160
125	Jun 4, 2024 04:02	6,107	74,870,328	49,677,000	1,013,000	2,273,280
126	Jun 4, 2024 04:02	6,126	79,476,048	48,849,000	1,993,000	2,273,280

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