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 listDec 6, 2025 15:34

Rajarshi Basu

Score: 6,197

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Dec 6, 2025 15:45	6,052	76,490,761	48,221,000	2,009,000	2,379,776
2	Dec 6, 2025 15:34	6,062	71,791,573	48,306,000	2,012,000	2,527,232
3	Dec 6, 2025 15:45	6,062	76,101,258	48,305,000	2,012,000	2,277,376
4	Dec 6, 2025 15:45	6,062	72,638,454	47,295,000	3,018,000	2,289,664
5	Dec 6, 2025 15:33	6,069	73,652,073	48,360,000	2,015,000	2,289,664
6	Dec 6, 2025 15:45	6,077	78,122,498	48,426,000	2,017,000	2,293,760
7	Dec 6, 2025 15:33	6,082	74,423,450	49,471,000	1,009,000	2,289,664
8	Dec 6, 2025 15:44	6,083	71,780,852	48,469,000	2,019,000	2,281,472
9	Dec 6, 2025 15:45	6,089	72,899,542	49,531,000	1,010,000	2,277,376
10	Dec 6, 2025 15:34	6,092	77,334,074	49,551,000	1,011,000	2,273,280
11	Dec 6, 2025 15:45	6,092	77,669,034	50,565,000	0	2,527,232
12	Dec 6, 2025 15:33	6,097	84,492,891	49,595,000	1,012,000	2,289,664
13	Dec 6, 2025 15:45	6,122	74,014,321	48,821,000	1,992,000	2,289,664
14	Dec 6, 2025 15:45	6,129	79,036,642	48,877,000	1,995,000	2,289,664
15	Dec 6, 2025 15:45	6,165	72,682,038	49,161,000	2,006,000	2,289,664
16	Dec 6, 2025 15:45	6,167	72,449,837	50,187,000	1,003,000	2,293,760
17	Dec 6, 2025 15:45	6,168	75,520,819	49,184,000	2,007,000	2,289,664
18	Dec 6, 2025 15:44	6,170	73,823,402	50,206,000	1,004,000	2,277,376
19	Dec 6, 2025 15:45	6,170	72,724,307	49,199,000	2,008,000	2,379,776
20	Dec 6, 2025 15:34	6,171	73,998,832	48,204,000	3,012,000	2,273,280
21	Dec 6, 2025 15:45	6,174	76,419,330	50,243,000	1,004,000	2,277,376
22	Dec 6, 2025 15:34	6,183	72,213,139	48,300,000	3,018,000	2,289,664
23	Dec 6, 2025 15:45	6,186	72,936,941	49,327,000	2,013,000	2,289,664
24	Dec 6, 2025 15:45	6,188	76,422,362	49,349,000	2,014,000	2,379,776
25	Dec 6, 2025 15:45	6,197	78,279,047	50,424,000	1,008,000	2,277,376
26	Dec 6, 2025 15:34	6,199	74,926,499	48,428,000	3,026,000	2,269,184
27	Dec 6, 2025 15:34	6,199	82,349,881	50,443,000	1,008,000	2,281,472
28	Dec 6, 2025 15:34	6,202	72,512,088	49,458,000	2,018,000	2,289,664
29	Dec 6, 2025 15:44	6,206	74,549,479	50,503,000	1,010,000	2,269,184
30	Dec 6, 2025 15:33	6,208	75,650,398	50,517,000	1,010,000	2,269,184
31	Dec 6, 2025 15:45	6,208	74,296,468	50,520,000	1,010,000	2,281,472
32	Dec 6, 2025 15:45	6,209	80,545,624	50,526,000	1,010,000	2,289,664
33	Dec 6, 2025 15:34	6,213	78,022,016	50,561,000	1,011,000	2,289,664
34	Dec 6, 2025 15:33	6,215	76,715,193	50,577,000	1,011,000	2,273,280
35	Dec 6, 2025 15:45	6,217	77,183,092	50,588,000	1,011,000	2,400,256
36	Dec 6, 2025 15:44	6,218	81,917,707	50,595,000	1,011,000	2,265,088
37	Dec 6, 2025 15:45	6,225	81,279,478	50,653,000	1,013,000	2,289,664
38	Dec 6, 2025 15:45	6,245	75,957,155	50,836,000	996,000	2,269,184
39	Dec 6, 2025 15:34	6,247	78,165,473	49,860,000	1,994,000	2,281,472
40	Dec 6, 2025 15:45	6,248	73,845,305	49,865,000	1,994,000	2,289,664
41	Dec 6, 2025 15:45	6,253	75,198,543	50,903,000	998,000	2,289,664
42	Dec 6, 2025 15:44	6,260	76,183,088	49,956,000	1,998,000	2,281,472
43	Dec 6, 2025 15:34	6,287	75,794,347	50,178,000	2,007,000	2,289,664
44	Dec 6, 2025 15:44	6,310	73,731,787	50,355,000	2,014,000	2,289,664
45	Dec 6, 2025 15:34	6,315	78,158,435	52,412,000	0	2,289,664
46	Dec 6, 2025 15:33	6,316	77,696,613	51,415,000	1,008,000	2,289,664
47	Dec 6, 2025 15:45	6,324	73,501,544	51,482,000	1,009,000	2,269,184
48	Dec 6, 2025 15:34	6,382	83,830,124	51,972,000	999,000	2,289,664

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