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 listFeb 24, 2026 19:41

Mikołaj Uzarski

Score: 5,453

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Feb 24, 2026 19:51	5,381	75,375,090	43,651,000	1,015,000	2,502,656
2	Feb 24, 2026 19:50	5,382	74,728,332	43,652,000	1,015,000	2,506,752
3	Feb 24, 2026 20:16	5,397	70,832,076	42,806,000	1,990,000	2,514,944
4	Feb 24, 2026 19:50	5,397	72,986,325	42,808,000	1,991,000	2,285,568
5	Feb 24, 2026 19:50	5,398	68,284,267	42,815,000	1,991,000	2,510,848
6	Feb 24, 2026 19:50	5,398	69,000,888	43,805,000	995,000	2,285,568
7	Feb 24, 2026 20:16	5,398	78,484,418	42,809,000	1,991,000	2,506,752
8	Feb 24, 2026 19:50	5,399	71,066,782	42,823,000	1,991,000	2,285,568
9	Feb 24, 2026 20:25	5,400	71,888,519	42,831,000	1,992,000	2,506,752
10	Feb 24, 2026 19:50	5,400	71,296,010	43,825,000	996,000	2,502,656
11	Feb 24, 2026 19:50	5,400	73,176,615	42,825,000	1,991,000	2,281,472
12	Feb 24, 2026 20:19	5,401	74,233,904	42,839,000	1,992,000	2,285,568
13	Feb 24, 2026 20:26	5,402	72,103,328	42,844,000	1,992,000	2,281,472
14	Feb 24, 2026 20:19	5,408	68,699,919	43,888,000	997,000	2,510,848
15	Feb 24, 2026 20:17	5,409	70,719,488	42,896,000	1,995,000	2,277,376
16	Feb 24, 2026 20:16	5,413	66,104,082	41,933,000	2,995,000	2,514,944
17	Feb 24, 2026 20:24	5,413	67,905,076	42,935,000	1,996,000	2,293,760
18	Feb 24, 2026 20:18	5,415	75,155,662	42,944,000	1,997,000	2,277,376
19	Feb 24, 2026 20:24	5,416	68,983,916	42,954,000	1,997,000	2,510,848
20	Feb 24, 2026 20:18	5,424	70,745,232	43,016,000	2,000,000	2,510,848
21	Feb 24, 2026 19:50	5,426	71,012,625	43,032,000	2,001,000	2,285,568
22	Feb 24, 2026 20:16	5,426	70,725,559	43,037,000	2,001,000	2,510,848
23	Feb 24, 2026 20:24	5,427	69,892,399	44,041,000	1,000,000	2,285,568
24	Feb 24, 2026 20:16	5,430	71,735,867	44,064,000	1,001,000	2,510,848
25	Feb 24, 2026 20:25	5,432	66,598,827	43,079,000	2,003,000	2,285,568
26	Feb 24, 2026 19:51	5,433	67,227,509	43,086,000	2,004,000	2,502,656
27	Feb 24, 2026 20:19	5,434	73,065,213	44,097,000	1,002,000	2,510,848
28	Feb 24, 2026 20:19	5,435	68,580,532	43,105,000	2,004,000	2,502,656
29	Feb 24, 2026 20:26	5,437	68,721,120	43,122,000	2,005,000	2,285,568
30	Feb 24, 2026 20:25	5,439	70,486,092	43,139,000	2,006,000	2,510,848
31	Feb 24, 2026 20:25	5,441	68,338,133	44,156,000	1,003,000	2,285,568
32	Feb 24, 2026 20:16	5,442	68,365,987	42,158,000	3,011,000	2,510,848
33	Feb 24, 2026 20:24	5,442	65,774,635	43,165,000	2,007,000	2,506,752
34	Feb 24, 2026 20:25	5,443	74,036,548	44,176,000	1,004,000	2,285,568
35	Feb 24, 2026 20:24	5,443	67,995,113	43,168,000	2,007,000	2,510,848
36	Feb 24, 2026 20:16	5,444	67,549,898	43,180,000	2,008,000	2,510,848
37	Feb 24, 2026 20:17	5,447	73,340,093	42,200,000	3,014,000	2,498,560
38	Feb 24, 2026 20:16	5,449	69,779,233	43,216,000	2,010,000	2,277,376
39	Feb 24, 2026 20:24	5,452	74,016,083	43,241,000	2,011,000	2,506,752
40	Feb 24, 2026 19:43	5,453	66,721,608	44,253,000	1,005,000	2,281,472
41	Feb 24, 2026 19:50	5,454	66,294,717	44,261,000	1,005,000	2,281,472
42	Feb 24, 2026 20:25	5,457	69,219,342	43,280,000	2,013,000	2,281,472
43	Feb 24, 2026 20:26	5,458	67,068,966	42,279,000	3,019,000	2,494,464
44	Feb 24, 2026 20:24	5,462	66,146,874	42,310,000	3,022,000	2,510,848
45	Feb 24, 2026 19:41	5,467	71,681,618	43,362,000	2,016,000	2,338,816
46	Feb 24, 2026 20:16	5,469	65,823,770	43,375,000	2,017,000	2,510,848
47	Feb 24, 2026 20:15	5,471	67,898,256	44,403,000	1,009,000	2,502,656
48	Feb 24, 2026 20:26	5,474	68,117,622	43,412,000	2,019,000	2,510,848
49	Feb 24, 2026 20:26	5,476	71,142,964	45,454,000	0	2,285,568
50	Feb 24, 2026 20:16	5,479	68,347,570	44,467,000	1,010,000	2,281,472
51	Feb 24, 2026 19:43	5,483	70,587,880	45,508,000	0	2,285,568
52	Feb 24, 2026 19:51	5,487	71,665,964	44,529,000	1,012,000	2,285,568
53	Feb 24, 2026 20:19	5,492	70,611,120	45,587,000	0	2,289,664
54	Feb 24, 2026 19:50	5,495	77,225,696	44,596,000	1,013,000	2,510,848
55	Feb 24, 2026 20:19	5,501	71,629,586	44,648,000	1,014,000	2,285,568
56	Feb 24, 2026 19:50	5,501	72,090,206	44,645,000	1,014,000	2,510,848
57	Feb 24, 2026 20:16	5,516	72,836,951	44,769,000	1,017,000	2,285,568
58	Feb 24, 2026 19:50	5,521	81,702,436	42,836,000	2,988,000	2,281,472
59	Feb 24, 2026 20:15	5,523	73,019,029	42,848,000	2,989,000	2,285,568
60	Feb 24, 2026 20:16	5,523	71,830,740	43,852,000	1,993,000	2,502,656
61	Feb 24, 2026 20:17	5,526	70,874,861	43,871,000	1,994,000	2,506,752
62	Feb 24, 2026 20:25	5,530	73,549,629	44,900,000	997,000	2,285,568
63	Feb 24, 2026 19:50	5,531	68,728,553	43,915,000	1,996,000	2,498,560
64	Feb 24, 2026 19:41	5,532	74,058,128	43,918,000	1,996,000	2,510,848
65	Feb 24, 2026 19:50	5,551	69,231,601	44,073,000	2,003,000	2,510,848
66	Feb 24, 2026 20:16	5,565	76,055,361	43,176,000	3,012,000	2,269,184
67	Feb 24, 2026 19:43	5,581	67,256,423	45,314,000	1,006,000	2,285,568
68	Feb 24, 2026 20:26	5,585	72,509,801	43,332,000	3,023,000	2,281,472
69	Feb 24, 2026 19:50	5,587	77,515,975	43,348,000	3,024,000	2,506,752
70	Feb 24, 2026 20:25	5,597	73,509,298	43,426,000	3,029,000	2,338,816
71	Feb 24, 2026 20:16	5,631	73,393,968	44,746,000	1,988,000	2,510,848
72	Feb 24, 2026 20:24	5,647	71,336,679	45,853,000	1,018,000	2,277,376
73	Feb 24, 2026 20:18	5,647	70,857,183	43,878,000	2,991,000	2,277,376
74	Feb 24, 2026 20:24	5,652	70,091,118	45,911,000	998,000	2,281,472
75	Feb 24, 2026 20:15	5,926	76,976,147	45,173,000	4,015,000	2,285,568
76	Feb 24, 2026 20:25	6,119	82,179,323	47,799,000	2,987,000	2,510,848
77	Feb 24, 2026 20:16	6,920	81,353,869	54,412,000	3,022,000	2,277,376
78	Feb 24, 2026 19:41	6,927	81,704,495	56,487,000	1,008,000	2,285,568

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