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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lipapipaScore: 5,794Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Feb 28, 2026 22:30	5,585	73,277,062	45,349,000	1,007,000	2,285,568
2	Feb 27, 2026 21:13	5,588	67,060,489	46,379,000	0	2,387,968
3	Feb 28, 2026 22:27	5,588	70,084,886	45,371,000	1,008,000	2,396,160
4	Feb 28, 2026 22:28	5,590	70,180,712	45,387,000	1,008,000	2,523,136
5	Feb 28, 2026 22:29	5,590	69,589,631	45,390,000	1,008,000	2,285,568
6	Feb 27, 2026 21:17	5,591	69,804,445	45,400,000	1,008,000	2,285,568
7	Feb 27, 2026 21:13	5,593	68,601,673	45,413,000	1,009,000	2,285,568
8	Feb 27, 2026 22:33	5,593	69,830,328	45,412,000	1,009,000	2,285,568
9	Feb 28, 2026 22:29	5,593	68,630,350	45,417,000	1,009,000	2,285,568
10	Feb 28, 2026 22:29	5,593	71,065,943	45,417,000	1,009,000	2,404,352
11	Feb 27, 2026 22:33	5,594	77,316,040	45,424,000	1,009,000	2,285,568
12	Feb 28, 2026 22:29	5,594	70,028,872	46,428,000	0	2,285,568
13	Feb 27, 2026 22:33	5,595	74,071,523	45,429,000	1,009,000	2,285,568
14	Feb 28, 2026 22:29	5,595	74,378,639	46,440,000	0	2,404,352
15	Feb 28, 2026 22:30	5,595	71,035,024	46,438,000	0	2,285,568
16	Feb 28, 2026 22:29	5,597	72,941,685	45,445,000	1,009,000	2,400,256
17	Feb 28, 2026 22:29	5,598	71,509,225	46,464,000	0	2,285,568
18	Feb 28, 2026 22:29	5,598	69,240,195	45,450,000	1,010,000	2,486,272
19	Feb 28, 2026 22:30	5,598	66,603,278	46,463,000	0	2,285,568
20	Feb 27, 2026 21:13	5,599	69,532,431	46,474,000	0	2,285,568
21	Feb 28, 2026 22:29	5,599	72,671,733	46,474,000	0	2,412,544
22	Feb 28, 2026 22:30	5,599	69,666,975	46,472,000	0	2,285,568
23	Feb 28, 2026 22:34	5,599	74,078,088	45,463,000	1,010,000	2,285,568
24	Feb 28, 2026 22:34	5,599	70,231,829	46,474,000	0	2,285,568
25	Feb 28, 2026 22:29	5,600	68,466,367	46,484,000	0	2,281,472
26	Feb 27, 2026 21:13	5,603	68,635,085	46,503,000	0	2,285,568
27	Feb 28, 2026 22:33	5,604	69,883,291	46,514,000	0	2,285,568
28	Feb 27, 2026 21:17	5,606	72,933,136	46,527,000	0	2,285,568
29	Feb 27, 2026 22:32	5,606	67,466,053	46,531,000	0	2,285,568
30	Feb 28, 2026 22:29	5,606	73,630,725	46,528,000	0	2,285,568
31	Feb 27, 2026 21:13	5,607	73,120,567	45,531,000	1,011,000	2,285,568
32	Feb 28, 2026 22:27	5,607	77,483,502	45,548,000	990,000	2,285,568
33	Feb 28, 2026 22:28	5,607	69,818,636	46,538,000	0	2,285,568
34	Feb 28, 2026 22:29	5,608	73,347,931	46,546,000	0	2,285,568
35	Feb 28, 2026 22:33	5,608	73,108,970	44,522,000	2,023,000	2,285,568
36	Feb 28, 2026 22:29	5,609	69,239,785	46,555,000	0	2,285,568
37	Feb 28, 2026 22:29	5,610	77,461,657	46,563,000	0	2,285,568
38	Feb 28, 2026 22:34	5,610	74,977,307	45,551,000	1,012,000	2,285,568
39	Feb 27, 2026 22:33	5,611	74,605,732	46,574,000	0	2,392,064
40	Feb 27, 2026 21:16	5,612	73,859,225	44,558,000	2,025,000	2,285,568
41	Feb 27, 2026 22:32	5,613	74,337,313	44,603,000	1,982,000	2,285,568
42	Feb 28, 2026 22:34	5,616	73,700,557	45,597,000	1,013,000	2,285,568
43	Feb 28, 2026 22:34	5,620	73,207,096	45,652,000	992,000	2,396,160
44	Feb 27, 2026 22:33	5,622	75,183,987	45,650,000	1,014,000	2,490,368
45	Feb 28, 2026 22:34	5,641	77,563,130	44,826,000	1,992,000	2,285,568
46	Feb 27, 2026 21:13	5,642	81,074,909	44,836,000	1,992,000	2,285,568
47	Feb 27, 2026 22:33	5,642	75,885,811	44,833,000	1,992,000	2,416,640
48	Feb 28, 2026 22:27	5,642	72,655,233	45,834,000	996,000	2,408,448
49	Feb 28, 2026 22:33	5,644	71,773,685	45,849,000	996,000	2,400,256
50	Feb 28, 2026 22:29	5,652	69,625,570	45,914,000	998,000	2,400,256
51	Feb 28, 2026 22:27	5,656	84,536,903	44,944,000	1,997,000	2,400,256
52	Feb 27, 2026 21:16	5,657	68,772,651	44,954,000	1,997,000	2,285,568
53	Feb 27, 2026 22:33	5,664	70,261,025	45,008,000	2,000,000	2,400,256
54	Feb 27, 2026 22:34	5,761	75,266,206	46,822,000	996,000	2,281,472
55	Feb 27, 2026 22:34	5,761	80,660,343	47,817,000	0	2,281,472
56	Feb 28, 2026 22:30	5,763	74,198,904	46,841,000	996,000	2,273,280
57	Feb 28, 2026 22:30	5,763	73,396,174	45,839,000	1,993,000	2,408,448
58	Feb 28, 2026 22:29	5,763	71,933,458	46,838,000	996,000	2,273,280
59	Feb 27, 2026 22:33	5,763	73,140,096	47,837,000	0	2,412,544
60	Feb 28, 2026 22:29	5,768	70,589,134	46,881,000	997,000	2,281,472
61	Feb 27, 2026 22:33	5,780	70,562,317	46,971,000	999,000	2,281,472
62	Feb 28, 2026 22:28	5,794	72,790,154	46,084,000	2,003,000	2,285,568
63	Feb 27, 2026 21:13	5,801	73,402,065	46,140,000	2,006,000	2,285,568
64	Feb 28, 2026 22:29	5,801	71,884,403	47,143,000	1,003,000	2,392,064
65	Feb 28, 2026 22:29	5,802	71,757,985	46,150,000	2,006,000	2,285,568
66	Feb 27, 2026 22:33	5,804	76,093,215	46,170,000	2,007,000	2,285,568
67	Feb 27, 2026 22:33	5,804	71,528,660	46,168,000	2,007,000	2,404,352
68	Feb 27, 2026 22:34	5,806	75,031,371	47,186,000	1,003,000	2,285,568
69	Feb 28, 2026 22:33	5,806	68,374,664	47,188,000	1,004,000	2,285,568
70	Feb 28, 2026 22:28	5,807	77,453,130	46,188,000	2,008,000	2,285,568
71	Feb 28, 2026 22:34	5,808	69,774,499	47,199,000	1,004,000	2,285,568
72	Feb 28, 2026 22:34	5,809	72,495,278	46,209,000	2,009,000	2,400,256
73	Feb 27, 2026 22:34	5,813	76,455,822	46,234,000	2,010,000	2,285,568
74	Feb 28, 2026 22:28	5,814	79,268,219	46,245,000	2,010,000	2,400,256
75	Feb 27, 2026 21:13	5,815	70,161,194	46,254,000	2,011,000	2,285,568
76	Feb 28, 2026 22:28	5,817	75,633,101	47,277,000	1,005,000	2,387,968
77	Feb 28, 2026 22:34	5,819	73,412,580	47,288,000	1,006,000	2,400,256
78	Feb 28, 2026 22:33	5,820	73,995,891	46,295,000	2,012,000	2,396,160
79	Feb 27, 2026 22:33	5,821	78,428,166	48,313,000	0	2,396,160
80	Feb 28, 2026 22:27	5,821	74,055,584	47,306,000	1,006,000	2,285,568
81	Feb 28, 2026 22:29	5,821	72,135,511	47,312,000	1,006,000	2,400,256
82	Feb 28, 2026 22:30	5,821	74,877,370	47,308,000	1,006,000	2,400,256
83	Feb 28, 2026 22:31	5,821	72,128,653	47,305,000	1,006,000	2,285,568
84	Feb 27, 2026 22:33	5,822	75,842,340	48,320,000	0	2,285,568
85	Feb 28, 2026 22:30	5,822	74,804,452	48,323,000	0	2,285,568
86	Feb 28, 2026 22:28	5,824	80,229,845	48,339,000	0	2,400,256
87	Feb 28, 2026 22:28	5,826	73,428,940	48,353,000	0	2,285,568
88	Feb 28, 2026 22:33	5,826	70,172,069	47,350,000	1,007,000	2,498,560
89	Feb 27, 2026 22:32	5,827	68,396,740	48,361,000	0	2,400,256
90	Feb 28, 2026 22:29	5,827	74,133,254	48,368,000	0	2,396,160
91	Feb 27, 2026 21:13	5,831	74,211,111	47,392,000	1,008,000	2,285,568
92	Feb 28, 2026 22:31	5,831	71,198,331	47,386,000	1,008,000	2,498,560
93	Feb 28, 2026 22:34	5,838	74,165,222	47,443,000	1,009,000	2,404,352
94	Feb 28, 2026 22:30	5,843	71,056,621	47,485,000	1,010,000	2,400,256
95	Feb 28, 2026 22:31	5,843	76,254,170	48,500,000	0	2,285,568
96	Feb 28, 2026 22:30	5,844	73,866,441	47,494,000	1,010,000	2,285,568
97	Feb 28, 2026 22:29	5,853	76,175,809	48,576,000	0	2,285,568
98	Feb 27, 2026 22:34	5,855	81,656,953	48,596,000	0	2,285,568
99	Feb 28, 2026 22:34	5,855	74,625,275	48,597,000	0	2,285,568
100	Feb 28, 2026 22:27	5,861	77,289,183	48,646,000	0	2,285,568
101	Feb 27, 2026 21:17	5,865	75,041,006	47,669,000	1,014,000	2,408,448
102	Feb 28, 2026 22:34	5,867	77,773,831	47,686,000	1,014,000	2,285,568
103	Feb 27, 2026 21:16	5,869	76,280,605	47,715,000	994,000	2,400,256
104	Feb 27, 2026 22:33	5,886	73,233,041	46,861,000	1,994,000	2,400,256
105	Feb 28, 2026 22:30	5,911	76,270,234	48,061,000	1,001,000	2,285,568
106	Feb 28, 2026 22:29	5,925	78,086,902	48,176,000	1,003,000	2,285,568
107	Feb 27, 2026 22:33	5,937	77,987,070	47,263,000	2,011,000	2,408,448
108	Feb 27, 2026 22:33	5,985	78,256,885	49,676,000	0	2,281,472
109	Feb 28, 2026 22:29	6,001	77,574,886	48,815,000	996,000	2,281,472
110	Feb 27, 2026 22:34	6,001	81,411,712	48,816,000	996,000	2,400,256
111	Feb 28, 2026 22:29	6,003	75,524,705	48,826,000	996,000	2,281,472
112	Feb 27, 2026 22:33	6,004	79,099,313	48,837,000	996,000	2,281,472
113	Feb 28, 2026 22:29	6,005	78,762,914	48,844,000	996,000	2,404,352
114	Feb 28, 2026 22:29	6,007	72,140,298	47,865,000	1,994,000	2,400,256
115	Feb 28, 2026 22:30	6,009	73,173,843	47,879,000	1,994,000	2,281,472
116	Feb 28, 2026 22:30	6,009	77,115,711	48,878,000	997,000	2,404,352
117	Feb 28, 2026 22:30	6,015	70,560,315	47,931,000	1,997,000	2,400,256
118	Feb 28, 2026 22:29	6,015	73,008,821	47,926,000	1,996,000	2,396,160
119	Feb 28, 2026 22:30	6,024	78,614,965	47,998,000	1,999,000	2,281,472
120	Feb 28, 2026 22:28	6,032	73,652,262	47,060,000	3,003,000	2,285,568
121	Feb 28, 2026 22:29	6,051	72,741,570	48,218,000	2,009,000	2,281,472
122	Feb 27, 2026 22:33	6,054	74,225,180	49,246,000	1,005,000	2,281,472
123	Feb 28, 2026 22:29	6,100	80,192,654	50,632,000	0	2,281,472

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