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	1:20.1.2-0ubuntu1~24.04.3	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	3.0.13-0ubuntu3.11	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 5, 2025 11:03	caando	CPPg++13.3.0	Success	5,689
Nov 5, 2025 11:02	caando	CPPg++13.3.0	Success	6,019
Nov 5, 2025 11:01	caando	CPPg++13.3.0	Success	5,641
Nov 5, 2025 10:58	caando	CPPg++13.3.0	Success	5,573+4.18 RP
Nov 5, 2025 10:58	caando	CPPg++13.3.0	Success	5,586+7.34 RP
Nov 5, 2025 10:56	caando	CPPg++13.3.0	Success	5,616
Nov 5, 2025 10:54	caando	CPPg++13.3.0	Success	5,609+68.17 RP
Nov 5, 2025 10:04	AnSa	CPPg++13.3.0	Success	35,507
Nov 5, 2025 02:18	Tejas G.	CPPclang++18.1.3	Success	7,126+2.56 RP
Nov 5, 2025 02:17	Tejas G.	CPPclang++18.1.3	Success	7,367
Nov 5, 2025 02:16	Tejas G.	CPPclang++18.1.3	Error
Nov 5, 2025 02:00	Tejas G.	CPPclang++18.1.3	Success	7,285
Nov 5, 2025 01:59	Tejas G.	CPPclang++18.1.3	Success	8,769
Nov 5, 2025 01:44	Tejas G.	CPPclang++18.1.3	Success	7,139+0.59 RP
Nov 5, 2025 01:38	Tejas G.	CPPclang++18.1.3	Success	7,204
Nov 5, 2025 01:37	Tejas G.	CPPclang++18.1.3	Success	7,142+0.39 RP
Nov 5, 2025 01:37	Tejas G.	CPPclang++18.1.3	Success	7,279
Nov 5, 2025 01:36	Tejas G.	CPPclang++18.1.3	Success	7,530
Nov 5, 2025 01:36	Tejas G.	CPPclang++18.1.3	Success	8,137
Nov 5, 2025 01:35	Tejas G.	CPPclang++18.1.3	Success	7,481
Nov 5, 2025 01:19	Tejas G.	CPPclang++18.1.3	Success	7,336
Nov 5, 2025 00:04	Anton	CSHARP9.0.10	Success	61,931+0.03 RP
Nov 5, 2025 00:00	Anton	CSHARP9.0.10	Success	61,942+14.25 RP
Nov 4, 2025 19:58	caando	CPPg++13.3.0	Success	5,952
Nov 4, 2025 18:32	caando	CPPg++13.3.0	Success	5,913
Nov 4, 2025 18:20	caando	CPPg++13.3.0	Success	6,003
Nov 4, 2025 18:20	caando	CPPg++13.3.0	Success	5,940
Nov 4, 2025 18:15	caando	CPPg++13.3.0	Success	6,020
Nov 4, 2025 18:10	caando	CPPg++13.3.0	Success	5,832+17.17 RP
Nov 4, 2025 18:09	caando	CPPg++13.3.0	Error
Nov 4, 2025 17:59	caando	CPPg++13.3.0	Success	6,001
Nov 4, 2025 17:59	caando	CPPg++13.3.0	Success	5,977
Nov 4, 2025 17:58	caando	CPPg++13.3.0	Success	5,940
Nov 4, 2025 17:55	caando	CPPg++13.3.0	Success	5,942
Nov 4, 2025 17:53	caando	CPPg++13.3.0	Success	5,925
Nov 4, 2025 17:52	caando	CPPg++13.3.0	Success	5,995
Nov 4, 2025 17:52	caando	CPPg++13.3.0	Success	6,000
Nov 4, 2025 17:50	caando	CPPg++13.3.0	Error
Nov 4, 2025 17:49	caando	CPPg++13.3.0	Error
Nov 4, 2025 17:41	caando	CPPg++13.3.0	Success	6,035
Nov 4, 2025 17:39	caando	CPPg++13.3.0	Success	6,037
Nov 4, 2025 17:37	caando	CPPg++13.3.0	Success	5,933
Nov 4, 2025 17:34	caando	CPPg++13.3.0	Error
Nov 4, 2025 17:31	caando	CPPg++13.3.0	Success	5,901
Nov 4, 2025 10:03	Tejas G.	CPPclang++18.1.3	Success	7,144+0.39 RP
Nov 4, 2025 10:03	Tejas G.	CPPg++13.3.0	Success	9,769
Nov 4, 2025 10:02	Tejas G.	CPPg++13.3.0	Success	9,535
Nov 4, 2025 09:59	Tejas G.	CPPg++13.3.0	Success	9,758
Nov 4, 2025 09:59	Tejas G.	CPPg++13.3.0	Error
Nov 4, 2025 09:59	Tejas G.	CPPg++13.3.0	Success	9,671
Nov 4, 2025 09:58	Tejas G.	CPPg++13.3.0	Error
Nov 4, 2025 09:57	Tejas G.	CPPg++13.3.0	Error
Nov 4, 2025 09:56	Tejas G.	CPPg++13.3.0	Error
Nov 4, 2025 09:56	Tejas G.	CPPclang++18.1.3	Error
Nov 4, 2025 09:55	Tejas G.	CPPclang++18.1.3	Success	7,270
Nov 4, 2025 09:55	Tejas G.	CPPclang++18.1.3	Success	7,283
Nov 4, 2025 09:54	Tejas G.	CPPclang++18.1.3	Success	7,274
Nov 4, 2025 09:54	Tejas G.	CPPclang++18.1.3	Success	7,204
Nov 4, 2025 09:53	Tejas G.	CPPclang++18.1.3	Success	7,146+12.23 RP
Nov 4, 2025 08:59	AnSa	CPPg++13.3.0	Error
Nov 4, 2025 08:56	AnSa	CPPg++13.3.0	Error
Nov 4, 2025 08:35	AnSa	CPPg++13.3.0	Error
Nov 4, 2025 04:21	Tejas G.	CPPclang++18.1.3	Success	7,209+110.83 RP
Nov 4, 2025 04:20	Tejas G.	CPPclang++18.1.3	Error
Nov 4, 2025 04:20	Tejas G.	CPPclang++18.1.3	Error
Nov 4, 2025 04:19	Tejas G.	CPPclang++18.1.3	Error
Nov 4, 2025 04:19	Tejas G.	CPPclang++18.1.3	Success	7,837
Nov 4, 2025 04:19	Tejas G.	CPPclang++18.1.3	Success	7,846
Nov 4, 2025 04:19	Tejas G.	CPPg++13.3.0	Success	9,955
Nov 4, 2025 04:19	Tejas G.	CPPg++13.3.0	Success	10,012
Nov 4, 2025 04:18	Tejas G.	CPPg++13.3.0	Success	9,867
Nov 4, 2025 04:17	Tejas G.	CPPclang++18.1.3	Success	7,835+15.45 RP
Nov 4, 2025 04:14	Tejas G.	CPPclang++18.1.3	Success	7,931+7.59 RP
Nov 4, 2025 04:14	Tejas G.	CPPclang++18.1.3	Success	7,979+254.29 RP
Nov 4, 2025 04:12	Tejas G.	CPPg++13.3.0	Success	10,010+85.43 RP
Nov 4, 2025 04:11	Tejas G.	CPPg++13.3.0	Success	10,946+96.11 RP
Nov 4, 2025 04:11	Tejas G.	CPPg++13.3.0	Success	12,233+178.69 RP
Nov 4, 2025 04:10	Tejas G.	CPPg++13.3.0	Success	15,655+465.71 RP
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

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