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 listAug 18, 2025 08:18

Ashish Ahuja

Score: 11,266

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Aug 18, 2025 07:27	10,980	118,796,297	84,122,000	7,010,000	2,273,280
2	Aug 18, 2025 07:39	10,982	115,375,903	86,144,000	5,008,000	2,281,472
3	Aug 18, 2025 12:44	11,027	121,124,513	87,545,000	3,979,000	2,285,568
4	Aug 18, 2025 12:44	11,028	115,964,722	83,572,000	7,959,000	2,539,520
5	Aug 18, 2025 07:22	11,028	116,348,683	85,562,000	5,969,000	2,379,776
6	Aug 18, 2025 08:18	11,030	122,499,335	85,581,000	5,970,000	2,535,424
7	Aug 18, 2025 12:44	11,039	120,259,923	84,656,000	6,971,000	2,273,280
8	Aug 18, 2025 07:24	11,043	119,510,267	87,671,000	3,985,000	2,379,776
9	Aug 18, 2025 07:39	11,052	122,791,899	86,749,000	4,985,000	2,379,776
10	Aug 18, 2025 12:44	11,056	115,175,308	84,782,000	6,982,000	2,285,568
11	Aug 18, 2025 07:17	11,058	114,437,258	83,798,000	7,980,000	2,469,888
12	Aug 18, 2025 08:18	11,072	118,257,308	85,905,000	5,993,000	2,449,408
13	Aug 18, 2025 07:17	11,099	113,403,316	87,119,000	5,006,000	2,273,280
14	Aug 18, 2025 07:17	11,105	113,502,463	86,159,000	6,011,000	2,531,328
15	Aug 18, 2025 07:17	11,109	118,952,412	86,192,000	6,013,000	2,449,408
16	Aug 18, 2025 07:39	11,110	114,086,326	87,206,000	5,011,000	2,539,520
17	Aug 18, 2025 08:18	11,111	122,428,137	86,211,000	6,014,000	2,281,472
18	Aug 18, 2025 07:27	11,118	120,808,456	84,258,000	8,024,000	2,441,216
19	Aug 18, 2025 08:18	11,119	113,731,912	85,267,000	7,022,000	2,322,432
20	Aug 18, 2025 07:24	11,129	115,968,631	89,358,000	3,012,000	2,396,160
21	Aug 18, 2025 12:44	11,149	120,870,418	87,563,000	4,975,000	2,473,984
22	Aug 18, 2025 08:19	11,151	121,448,111	85,589,000	6,966,000	2,535,424
23	Aug 18, 2025 07:17	11,152	118,409,913	84,596,000	7,962,000	2,408,448
24	Aug 18, 2025 07:27	11,179	118,371,777	87,799,000	4,988,000	2,334,720
25	Aug 18, 2025 12:44	11,193	118,973,421	88,903,000	3,995,000	2,273,280
26	Aug 18, 2025 07:27	11,209	117,063,723	86,029,000	7,002,000	2,351,104
27	Aug 18, 2025 07:17	11,210	115,014,710	86,044,000	7,003,000	2,383,872
28	Aug 18, 2025 07:24	11,225	112,107,684	87,154,000	6,010,000	2,273,280
29	Aug 18, 2025 07:17	11,232	121,591,286	89,217,000	4,009,000	2,371,584
30	Aug 18, 2025 12:44	11,247	121,474,419	88,328,000	5,018,000	2,539,520
31	Aug 18, 2025 07:24	11,250	118,968,389	88,353,000	5,020,000	2,310,144
32	Aug 18, 2025 08:18	11,266	118,996,344	85,549,000	7,958,000	2,539,520
33	Aug 18, 2025 07:24	11,268	118,516,574	86,558,000	6,964,000	2,535,424
34	Aug 18, 2025 07:27	11,275	119,079,801	85,621,000	7,964,000	2,355,200
35	Aug 18, 2025 07:17	11,281	124,452,250	86,659,000	6,972,000	2,277,376
36	Aug 18, 2025 07:17	11,292	116,965,018	85,749,000	7,976,000	2,359,296
37	Aug 18, 2025 07:17	11,302	124,438,803	86,818,000	6,985,000	2,465,792
38	Aug 18, 2025 12:44	11,319	126,836,830	87,955,000	5,996,000	2,273,280
39	Aug 18, 2025 07:24	11,319	116,571,845	86,952,000	6,996,000	2,367,488
40	Aug 18, 2025 08:19	11,319	124,283,423	87,955,000	5,996,000	2,281,472
41	Aug 18, 2025 08:18	11,335	115,863,943	90,078,000	4,003,000	2,289,664
42	Aug 18, 2025 12:44	11,351	121,804,357	88,199,000	6,013,000	2,465,792
43	Aug 18, 2025 08:18	11,363	117,674,814	88,292,000	6,019,000	2,338,816
44	Aug 18, 2025 07:17	11,441	120,333,135	87,967,000	6,997,000	2,277,376
45	Aug 18, 2025 08:18	11,448	122,241,422	87,015,000	8,001,000	2,297,856
46	Aug 18, 2025 12:44	11,458	122,048,599	91,101,000	4,004,000	2,535,424
47	Aug 18, 2025 08:18	11,470	116,847,852	88,187,000	7,014,000	2,281,472
48	Aug 18, 2025 07:39	11,470	117,569,427	88,183,000	7,014,000	2,375,680
49	Aug 18, 2025 08:18	11,509	122,356,277	91,544,000	3,980,000	2,539,520
50	Aug 18, 2025 08:18	11,518	119,412,309	86,636,000	8,962,000	2,510,848
51	Aug 18, 2025 12:44	11,579	120,892,854	89,098,000	7,007,000	2,281,472
52	Aug 18, 2025 07:22	11,581	115,368,528	90,118,000	6,007,000	2,277,376
53	Aug 18, 2025 08:18	11,597	124,917,912	91,243,000	5,013,000	2,539,520
54	Aug 18, 2025 08:18	11,620	122,697,235	88,495,000	7,954,000	2,363,392
55	Aug 18, 2025 12:44	11,756	124,172,310	94,586,000	2,986,000	2,449,408
56	Aug 18, 2025 08:18	11,756	122,836,874	89,606,000	7,965,000	2,363,392
57	Aug 18, 2025 08:18	11,775	125,626,027	90,750,000	6,980,000	2,347,008
58	Aug 18, 2025 07:39	11,876	122,024,735	90,609,000	7,965,000	2,539,520
59	Aug 18, 2025 07:27	12,023	124,903,661	92,807,000	6,985,000	2,310,144
60	Aug 18, 2025 07:39	12,033	125,502,434	90,889,000	8,989,000	2,367,488
61	Aug 18, 2025 07:22	12,044	123,031,307	93,968,000	5,998,000	2,322,432
62	Aug 18, 2025 07:17	12,117	126,598,751	94,594,000	5,974,000	2,273,280
63	Aug 18, 2025 08:19	12,383	130,036,369	96,791,000	5,987,000	2,539,520

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