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.

Date	Author	Language	Status	Score
Nov 3, 2025 16:29	prashantbits01	CPPg++13.3.0	Success	1,268,098+3.05 RP
Nov 3, 2025 16:25	prashantbits01	CPPg++13.3.0	Error
Nov 3, 2025 16:20	prashantbits01	CPPg++13.3.0	Success	2,066,224+4.84 RP
Nov 3, 2025 12:12	Anton	CSHARP9.0.10	Success	67,939+1.12 RP
Nov 3, 2025 09:56	Anton	CSHARP9.0.10	Success	68,994
Nov 3, 2025 09:37	Anton	CSHARP9.0.10	Success	68,777
Nov 3, 2025 09:33	Anton	CSHARP9.0.10	Success	68,459+16.72 RP
Nov 3, 2025 09:32	Anton	CSHARP9.0.10	Success	78,014
Nov 3, 2025 09:22	Anton	CSHARP9.0.10	Success	77,310+129.35 RP
Nov 3, 2025 08:51	Anton	CSHARP9.0.10	Error
Nov 3, 2025 08:51	Anton	CSHARP9.0.10	Error
Nov 3, 2025 08:38	Anton	CSHARP9.0.10	Error
Nov 3, 2025 08:37	Anton	CSHARP9.0.10	Error
Nov 3, 2025 08:36	Anton	CSHARP9.0.10	Error
Nov 3, 2025 08:34	Anton	CSHARP9.0.10	Error
Nov 3, 2025 08:32	Anton	CSHARP9.0.10	Error
Nov 3, 2025 06:55	vonqo	CPPclang++18.1.3	Success	396,383+20.39 RP
Nov 3, 2025 06:54	vonqo	CPPclang++18.1.3	Error
Nov 3, 2025 06:53	vonqo	CPPclang++18.1.3	Error
Nov 3, 2025 06:41	vonqo	CPPclang++18.1.3	Error
Nov 3, 2025 06:34	vonqo	CPPclang++18.1.3	Success	2,067,852+4.84 RP
Nov 2, 2025 20:35	Jerry Huang	CPPg++13.3.0	Error
Nov 2, 2025 20:32	Jerry Huang	CPPg++13.3.0	Error
Nov 2, 2025 20:27	Jerry Huang	CPPg++13.3.0	Success	2,066,501+4.84 RP
Nov 2, 2025 20:25	Jerry Huang	CPPg++13.3.0	Error
Nov 2, 2025 16:40	triscacezar-droid	CPPg++13.3.0	Error
Nov 2, 2025 16:39	triscacezar-droid	CPPg++13.3.0	Success	69,057+0.10 RP
Nov 2, 2025 16:38	triscacezar-droid	CPPg++13.3.0	Success	69,214
Nov 2, 2025 16:38	triscacezar-droid	CPPg++13.3.0	Success	69,168
Nov 2, 2025 16:34	triscacezar-droid	CPPg++13.3.0	Success	69,103+1.26 RP
Nov 2, 2025 16:33	triscacezar-droid	CPPg++13.3.0	Success	69,711+116.57 RP
Nov 2, 2025 16:31	triscacezar-droid	CPPg++13.3.0	Success	373,221
Nov 2, 2025 16:30	triscacezar-droid	CPPg++13.3.0	Success	373,572
Nov 2, 2025 16:28	triscacezar-droid	CPPg++13.3.0	Success	438,057
Nov 2, 2025 16:28	triscacezar-droid	CPPg++13.3.0	Success	430,161
Nov 2, 2025 16:22	triscacezar-droid	CPPg++13.3.0	Success	371,974+21.85 RP
Nov 2, 2025 16:19	triscacezar-droid	CPPg++13.3.0	Success	1,987,982
Nov 2, 2025 16:17	triscacezar-droid	CPPg++13.3.0	Success	1,990,994
Nov 2, 2025 16:15	triscacezar-droid	CPPg++13.3.0	Success	1,995,497
Nov 2, 2025 16:13	triscacezar-droid	CPPg++13.3.0	Success	1,987,469
Nov 2, 2025 16:12	triscacezar-droid	CPPg++13.3.0	Error
Nov 2, 2025 16:06	triscacezar-droid	CPPg++13.3.0	Success	1,987,567+0.19 RP
Nov 2, 2025 16:05	triscacezar-droid	CPPg++13.3.0	Error
Nov 2, 2025 16:01	triscacezar-droid	CPPg++13.3.0	Success	2,067,643+4.84 RP
Nov 2, 2025 15:48	Tejas G.	CPPg++13.3.0	Success	64,027
Nov 2, 2025 15:44	Tejas G.	CPPclang++18.1.3	Error
Nov 2, 2025 15:44	Tejas G.	CPPclang++18.1.3	Error
Nov 2, 2025 15:43	Tejas G.	CPPclang++18.1.3	Error
Nov 2, 2025 15:38	Tejas G.	CPPclang++18.1.3	Success	57,782+36.57 RP
Nov 2, 2025 13:15	Tejas G.	CPPclang++18.1.3	Error
Nov 2, 2025 13:14	Tejas G.	CPPclang++18.1.3	Error
Nov 2, 2025 10:22	Tan Lip Wei	CPPclang++18.1.3	Error
Nov 2, 2025 10:21	Tan Lip Wei	CPPg++13.3.0	Error
Nov 2, 2025 09:43	Tan Lip Wei	CPPg++13.3.0	Success	9,231
Nov 2, 2025 09:42	Tan Lip Wei	CPPclang++18.1.3	Success	7,274
Nov 2, 2025 09:37	Tan Lip Wei	CPPclang++18.1.3	Success	6,998+18.94 RP
Nov 2, 2025 09:24	Tan Lip Wei	CPPclang++18.1.3	Success	7,092+198.21 RP
Nov 2, 2025 09:16	Tan Lip Wei	CPPg++13.3.0	Success	10,109
Nov 2, 2025 09:11	Tan Lip Wei	CPPclang++18.1.3	Success	8,252+30.49 RP
Nov 2, 2025 09:07	Tan Lip Wei	CPPclang++18.1.3	Success	8,465+806.70 RP
Nov 2, 2025 09:04	Tan Lip Wei	CPPclang++18.1.3	Success	40,018
Nov 2, 2025 09:03	Tan Lip Wei	CPPclang++18.1.3	Error
Nov 2, 2025 09:01	Tan Lip Wei	CPPclang++18.1.3	Error
Nov 2, 2025 08:57	Tan Lip Wei	CPPclang++18.1.3	Error
Nov 2, 2025 03:45	Tan Lip Wei	CPPclang++18.1.3	Success	40,022
Nov 2, 2025 03:41	Tan Lip Wei	CPPclang++18.1.3	Error
Nov 2, 2025 03:39	Tan Lip Wei	CPPclang++18.1.3	Success	39,961
Nov 2, 2025 03:38	Tan Lip Wei	CPPclang++18.1.3	Error
Nov 2, 2025 03:37	Tan Lip Wei	CPPclang++18.1.3	Error
Nov 2, 2025 03:31	Tan Lip Wei	CPPclang++18.1.3	Error
Nov 2, 2025 03:30	Tan Lip Wei	CPPclang++18.1.3	Success	40,049
Nov 2, 2025 03:29	Tan Lip Wei	CPPclang++18.1.3	Error
Nov 2, 2025 03:27	Tan Lip Wei	CPPclang++18.1.3	Success	40,113
Nov 2, 2025 03:25	Tan Lip Wei	CPPclang++18.1.3	Success	39,994
Nov 2, 2025 03:24	Tan Lip Wei	CPPclang++18.1.3	Success	39,978
Nov 2, 2025 03:23	Tan Lip Wei	CPPclang++18.1.3	Success	40,061
Nov 2, 2025 03:21	Tan Lip Wei	CPPclang++18.1.3	Success	39,932
Nov 2, 2025 03:20	Tan Lip Wei	CPPclang++18.1.3	Success	39,999
Nov 2, 2025 03:19	Tan Lip Wei	CPPclang++18.1.3	Error
Nov 2, 2025 03:18	Tan Lip Wei	CPPclang++18.1.3	Error
Nov 2, 2025 03:16	Tan Lip Wei	CPPclang++18.1.3	Success	39,987
Nov 2, 2025 03:13	Tan Lip Wei	CPPclang++18.1.3	Error
Nov 2, 2025 03:11	Tan Lip Wei	CPPclang++18.1.3	Success	40,106
Nov 2, 2025 03:09	Tan Lip Wei	CPPclang++18.1.3	Error
Nov 2, 2025 03:08	Tan Lip Wei	CPPclang++18.1.3	Error
Nov 2, 2025 03:07	Tan Lip Wei	CPPclang++18.1.3	Error
Nov 2, 2025 03:06	Tan Lip Wei	CPPg++13.3.0	Success	42,060
Nov 2, 2025 03:05	Tan Lip Wei	CPPg++13.3.0	Success	39,829
Nov 2, 2025 03:01	Tan Lip Wei	CPPg++13.3.0	Error
Nov 2, 2025 02:59	Tan Lip Wei	CPPg++13.3.0	Success	40,154
Nov 2, 2025 02:53	Tan Lip Wei	CPPg++13.3.0	Error
Nov 2, 2025 02:51	Tan Lip Wei	CPPclang++18.1.3	Success	41,075
Nov 2, 2025 02:50	Tan Lip Wei	CPPclang++18.1.3	Success	49,563
Nov 2, 2025 02:49	Tan Lip Wei	CPPclang++18.1.3	Success	68,015
Nov 2, 2025 02:30	Tan Lip Wei	CPPclang++18.1.3	Error
Nov 1, 2025 23:05	Jake L	CPPclang++18.1.3	Success	394,007+20.55 RP
Nov 1, 2025 22:59	Jake L	CPPclang++18.1.3	Success	2,068,418+4.83 RP
Nov 1, 2025 21:50	Daniel Mastalerz	CPPg++13.3.0	Success	136,516
Nov 1, 2025 21:49	Daniel Mastalerz	CPPg++13.3.0	Success	97,141
Nov 1, 2025 21:46	Daniel Mastalerz	CPPg++13.3.0	Success	49,494

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