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.

Back to listJan 2, 2026 22:24

Josu San Martin

Score: 5,715

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jan 30, 2026 02:30	5,346	69,524,045	43,364,000	1,008,000	2,289,664
2	Jan 30, 2026 02:41	5,357	67,464,278	44,464,000	0	2,371,584
3	Jan 30, 2026 02:31	5,398	75,658,068	43,812,000	995,000	2,289,664
4	Jan 2, 2026 21:46	5,401	70,850,031	43,829,000	996,000	2,289,664
5	Jan 2, 2026 19:14	5,409	75,058,117	41,901,000	2,992,000	2,289,664
6	Jan 30, 2026 02:30	5,414	70,639,356	43,938,000	998,000	2,281,472
7	Jan 2, 2026 22:24	5,417	74,906,276	42,964,000	1,998,000	2,375,680
8	Jan 30, 2026 02:41	5,448	72,239,438	43,212,000	2,009,000	2,277,376
9	Jan 30, 2026 04:00	5,454	69,300,578	43,258,000	2,012,000	2,293,760
10	Feb 20, 2026 23:06	5,458	70,754,034	44,294,000	1,006,000	2,363,392
11	Jan 30, 2026 03:07	5,477	68,951,386	44,445,000	1,010,000	2,371,584
12	Jan 2, 2026 21:46	5,485	77,404,777	44,512,000	1,011,000	2,371,584
13	Jan 2, 2026 19:14	5,487	69,937,284	45,538,000	0	2,293,760
14	Jan 30, 2026 04:00	5,487	77,162,045	44,527,000	1,011,000	2,510,848
15	Jan 2, 2026 22:11	5,489	74,835,007	44,544,000	1,012,000	2,355,200
16	Jan 30, 2026 02:43	5,498	79,483,466	45,634,000	0	2,367,488
17	Feb 20, 2026 23:06	5,499	73,879,010	44,630,000	1,014,000	2,297,856
18	Jan 2, 2026 21:46	5,501	70,601,550	45,656,000	0	2,285,568
19	Jan 2, 2026 19:14	5,517	72,238,721	44,799,000	995,000	2,469,888
20	Feb 20, 2026 23:07	5,517	73,051,819	43,801,000	1,990,000	2,297,856
21	Jan 30, 2026 04:00	5,522	76,172,037	43,843,000	1,992,000	2,359,296
22	Jan 2, 2026 22:11	5,524	74,868,390	45,847,000	0	2,293,760
23	Jan 30, 2026 02:41	5,530	73,932,002	43,903,000	1,995,000	2,293,760
24	Jan 30, 2026 02:43	5,532	70,217,830	43,919,000	1,996,000	2,293,760
25	Jan 30, 2026 02:30	5,535	71,474,167	43,945,000	1,997,000	2,510,848
26	Feb 20, 2026 23:07	5,564	74,258,529	44,171,000	2,007,000	2,371,584
27	Jan 30, 2026 02:41	5,580	70,046,555	44,301,000	2,013,000	2,359,296
28	Jan 30, 2026 02:41	5,593	68,912,708	45,416,000	1,009,000	2,293,760
29	Jan 30, 2026 02:43	5,615	72,776,042	46,601,000	0	2,510,848
30	Jan 30, 2026 02:41	5,615	75,509,932	46,606,000	0	2,371,584
31	Jan 2, 2026 22:11	5,620	73,611,492	45,632,000	1,014,000	2,289,664
32	Jan 2, 2026 19:03	5,638	76,250,123	44,804,000	1,991,000	2,293,760
33	Jan 2, 2026 19:14	5,638	75,771,912	45,800,000	995,000	2,289,664
34	Jan 30, 2026 03:07	5,640	77,779,992	45,819,000	996,000	2,289,664
35	Jan 30, 2026 02:41	5,640	74,411,376	44,819,000	1,991,000	2,363,392
36	Jan 3, 2026 02:07	5,641	71,769,409	45,827,000	996,000	2,269,184
37	Jan 2, 2026 19:03	5,643	73,127,619	44,845,000	1,993,000	2,265,088
38	Feb 20, 2026 23:06	5,656	72,330,469	44,951,000	1,997,000	2,363,392
39	Jan 2, 2026 19:05	5,657	73,793,842	44,958,000	1,998,000	2,281,472
40	Jan 30, 2026 02:43	5,659	75,789,789	45,968,000	999,000	2,359,296
41	Jan 30, 2026 02:31	5,668	74,407,682	46,042,000	1,000,000	2,519,040
42	Jan 2, 2026 22:11	5,668	76,966,227	45,043,000	2,001,000	2,277,376
43	Jan 30, 2026 02:41	5,672	72,567,913	45,073,000	2,003,000	2,281,472
44	Jan 2, 2026 21:46	5,675	68,175,258	45,096,000	2,004,000	2,367,488
45	Jan 30, 2026 04:09	5,679	75,501,589	46,133,000	1,002,000	2,293,760
46	Feb 20, 2026 23:07	5,684	74,566,571	46,173,000	1,003,000	2,281,472
47	Jan 2, 2026 22:24	5,688	68,805,081	46,206,000	1,004,000	2,363,392
48	Jan 2, 2026 19:05	5,690	73,077,722	46,226,000	1,004,000	2,371,584
49	Jan 2, 2026 19:03	5,690	69,431,107	45,215,000	2,009,000	2,289,664
50	Feb 20, 2026 23:07	5,695	71,637,024	45,258,000	2,011,000	2,289,664
51	Jan 30, 2026 02:43	5,697	67,342,295	45,275,000	2,012,000	2,355,200
52	Jan 2, 2026 21:46	5,700	70,217,220	47,309,000	0	2,375,680
53	Jan 2, 2026 19:03	5,707	72,058,858	45,352,000	2,015,000	2,486,272
54	Jan 2, 2026 22:24	5,713	69,744,084	46,411,000	1,008,000	2,473,984
55	Jan 30, 2026 02:43	5,715	68,807,308	46,428,000	1,009,000	2,375,680
56	Jan 2, 2026 19:14	5,715	71,569,793	47,436,000	0	2,289,664
57	Jan 30, 2026 02:43	5,717	68,265,350	47,449,000	0	2,285,568
58	Jan 30, 2026 04:00	5,720	72,553,661	47,476,000	0	2,277,376
59	Feb 20, 2026 23:06	5,721	70,123,060	45,463,000	2,020,000	2,289,664
60	Jan 30, 2026 02:30	5,723	75,151,945	47,499,000	0	2,363,392
61	Jan 30, 2026 02:41	5,724	69,955,112	45,485,000	2,021,000	2,363,392
62	Jan 3, 2026 02:07	5,727	82,113,731	47,535,000	0	2,293,760
63	Jan 30, 2026 04:09	5,730	73,368,004	46,548,000	1,011,000	2,465,792
64	Jan 30, 2026 02:30	5,731	77,175,349	45,545,000	2,024,000	2,293,760
65	Feb 20, 2026 23:07	5,732	73,104,111	47,576,000	0	2,285,568
66	Jan 30, 2026 04:09	5,732	75,928,433	47,573,000	0	2,367,488
67	Jan 30, 2026 02:43	5,735	73,068,965	46,590,000	1,012,000	2,281,472
68	Jan 3, 2026 02:07	5,738	77,138,735	46,610,000	1,013,000	2,281,472
69	Jan 30, 2026 02:41	5,740	72,315,605	46,626,000	1,013,000	2,375,680
70	Jan 30, 2026 02:41	5,742	77,453,227	46,643,000	1,013,000	2,363,392
71	Jan 2, 2026 19:05	5,743	73,981,188	47,664,000	0	2,355,200
72	Jan 2, 2026 19:03	5,757	76,159,900	44,793,000	2,986,000	2,371,584
73	Jan 2, 2026 19:05	5,758	76,252,134	47,795,000	0	2,293,760
74	Jan 30, 2026 02:43	5,759	76,102,244	46,802,000	995,000	2,359,296
75	Jan 2, 2026 19:03	5,760	78,264,392	46,814,000	996,000	2,293,760
76	Jan 30, 2026 04:09	5,763	77,075,988	45,842,000	1,993,000	2,281,472
77	Jan 3, 2026 02:07	5,763	73,474,762	45,844,000	1,993,000	2,367,488
78	Jan 30, 2026 02:41	5,764	74,654,289	45,849,000	1,993,000	2,359,296
79	Jan 30, 2026 04:00	5,765	73,452,597	45,853,000	1,993,000	2,367,488
80	Jan 30, 2026 02:43	5,771	74,579,039	45,904,000	1,995,000	2,363,392
81	Jan 30, 2026 02:30	5,775	79,165,146	45,939,000	1,997,000	2,293,760
82	Jan 30, 2026 02:43	5,777	74,196,232	45,948,000	1,997,000	2,375,680
83	Jan 30, 2026 04:00	5,778	74,249,137	45,961,000	1,998,000	2,367,488
84	Jan 2, 2026 22:24	5,782	74,493,023	45,991,000	1,999,000	2,289,664
85	Jan 2, 2026 19:05	5,787	75,262,175	46,034,000	2,001,000	2,457,600
86	Jan 2, 2026 22:11	5,788	77,030,629	47,041,000	1,000,000	2,355,200
87	Jan 30, 2026 02:31	5,789	70,430,261	47,051,000	1,001,000	2,363,392
88	Jan 30, 2026 04:09	5,799	69,250,616	47,126,000	1,002,000	2,367,488
89	Feb 20, 2026 23:07	5,800	72,692,579	47,135,000	1,002,000	2,527,232
90	Jan 30, 2026 02:31	5,808	69,375,484	46,202,000	2,008,000	2,355,200
91	Jan 2, 2026 21:46	5,809	76,017,525	46,206,000	2,008,000	2,293,760
92	Jan 30, 2026 03:07	5,822	76,432,092	46,306,000	2,013,000	2,293,760
93	Feb 20, 2026 23:06	5,824	71,772,170	46,323,000	2,014,000	2,502,656
94	Jan 3, 2026 02:07	5,829	75,296,330	48,383,000	0	2,363,392
95	Jan 2, 2026 22:11	5,836	76,636,145	48,440,000	0	2,289,664
96	Jan 3, 2026 02:07	5,847	75,497,723	47,519,000	1,011,000	2,367,488
97	Jan 2, 2026 22:24	5,854	77,871,788	47,578,000	1,012,000	2,281,472
98	Jan 30, 2026 03:07	5,860	73,382,822	47,624,000	1,013,000	2,293,760
99	Feb 20, 2026 23:06	5,899	76,536,373	47,961,000	999,000	2,367,488
100	Jan 30, 2026 03:07	5,913	77,076,339	47,077,000	2,003,000	2,293,760
101	Jan 2, 2026 22:24	5,915	77,462,151	47,090,000	2,003,000	2,363,392
102	Jan 30, 2026 02:31	5,915	69,650,437	48,090,000	1,001,000	2,293,760
103	Jan 30, 2026 02:43	5,915	78,653,314	48,090,000	1,001,000	2,371,584
104	Jan 2, 2026 19:14	5,923	66,966,846	47,158,000	2,006,000	2,363,392
105	Jan 2, 2026 19:05	5,926	73,220,465	47,181,000	2,007,000	2,363,392
106	Jan 30, 2026 04:09	5,976	74,796,886	48,590,000	1,012,000	2,359,296
107	Jan 30, 2026 02:31	6,004	75,700,642	48,839,000	996,000	2,293,760
108	Jan 30, 2026 03:07	8,689	94,840,206	70,117,000	2,003,000	2,367,488

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