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.

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 4, 2024 04:24	5,010	66,949,194	40,565,000	1,014,000	2,273,280
2	Jun 4, 2024 04:23	5,015	69,846,822	41,625,000	0	2,273,280
3	Jun 4, 2024 04:24	5,016	66,693,214	41,635,000	0	2,396,160
4	Jun 4, 2024 04:24	5,017	67,613,506	40,627,000	1,015,000	2,273,280
5	Jun 4, 2024 04:24	5,019	71,631,518	40,639,000	1,015,000	2,273,280
6	Jun 4, 2024 04:24	5,019	66,685,024	40,643,000	1,016,000	2,273,280
7	Jun 4, 2024 04:24	5,022	69,528,076	40,666,000	1,016,000	2,404,352
8	Jun 4, 2024 04:24	5,023	75,072,964	40,674,000	1,016,000	2,273,280
9	Jun 4, 2024 04:24	5,023	66,591,206	40,671,000	1,016,000	2,273,280
10	Jun 4, 2024 04:23	5,023	66,961,940	40,676,000	1,016,000	2,404,352
11	Jun 4, 2024 04:23	5,024	67,446,481	40,683,000	1,017,000	2,404,352
12	Jun 4, 2024 04:23	5,026	70,259,262	39,730,000	1,986,000	2,273,280
13	Jun 4, 2024 04:24	5,027	73,276,838	40,705,000	1,017,000	2,396,160
14	Jun 4, 2024 04:24	5,028	70,039,831	40,712,000	1,017,000	2,404,352
15	Jun 4, 2024 04:23	5,030	65,031,587	39,765,000	1,988,000	2,396,160
16	Jun 4, 2024 04:24	5,034	69,026,106	39,795,000	1,989,000	2,396,160
17	Jun 4, 2024 04:23	5,034	67,442,927	39,796,000	1,989,000	2,396,160
18	Jun 4, 2024 04:23	5,036	67,225,659	40,801,000	995,000	2,400,256
19	Jun 4, 2024 04:24	5,037	71,961,031	41,810,000	0	2,273,280
20	Jun 4, 2024 04:24	5,037	64,491,257	40,813,000	995,000	2,273,280
21	Jun 4, 2024 04:24	5,038	69,061,530	39,827,000	1,991,000	2,273,280
22	Jun 4, 2024 04:23	5,038	68,772,436	39,824,000	1,991,000	2,510,848
23	Jun 4, 2024 04:24	5,039	65,182,494	40,829,000	995,000	2,273,280
24	Jun 4, 2024 04:23	5,039	73,888,193	40,828,000	995,000	2,273,280
25	Jun 4, 2024 04:24	5,040	69,129,991	40,833,000	995,000	2,396,160
26	Jun 4, 2024 04:24	5,040	69,210,450	39,844,000	1,992,000	2,273,280
27	Jun 4, 2024 04:24	5,040	67,580,912	40,837,000	996,000	2,273,280
28	Jun 4, 2024 04:24	5,040	66,262,870	39,840,000	1,992,000	2,396,160
29	Jun 4, 2024 04:24	5,040	71,833,863	40,834,000	995,000	2,273,280
30	Jun 4, 2024 04:24	5,040	68,692,478	39,843,000	1,992,000	2,404,352
31	Jun 4, 2024 04:23	5,040	72,548,746	41,830,000	0	2,400,256
32	Jun 4, 2024 04:24	5,041	70,946,697	39,848,000	1,992,000	2,273,280
33	Jun 4, 2024 04:24	5,041	68,065,631	40,846,000	996,000	2,273,280
34	Jun 4, 2024 04:24	5,041	69,215,931	39,846,000	1,992,000	2,400,256
35	Jun 4, 2024 04:24	5,041	68,144,812	39,852,000	1,992,000	2,273,280
36	Jun 4, 2024 04:24	5,041	67,678,319	40,847,000	996,000	2,400,256
37	Jun 4, 2024 04:24	5,041	72,773,724	40,846,000	996,000	2,404,352
38	Jun 4, 2024 04:24	5,041	72,359,402	40,841,000	996,000	2,273,280
39	Jun 4, 2024 04:24	5,041	69,121,604	40,847,000	996,000	2,273,280
40	Jun 4, 2024 04:23	5,041	71,829,162	39,845,000	1,992,000	2,404,352
41	Jun 4, 2024 04:23	5,041	69,265,281	41,842,000	0	2,273,280
42	Jun 4, 2024 04:23	5,041	73,654,035	40,846,000	996,000	2,273,280
43	Jun 4, 2024 04:24	5,042	66,732,560	40,832,000	1,020,000	2,273,280
44	Jun 4, 2024 04:24	5,042	70,882,631	39,855,000	1,992,000	2,396,160
45	Jun 4, 2024 04:24	5,042	69,725,745	40,854,000	996,000	2,273,280
46	Jun 4, 2024 04:23	5,042	68,058,817	41,846,000	0	2,273,280
47	Jun 4, 2024 04:23	5,042	66,678,324	40,856,000	996,000	2,273,280
48	Jun 4, 2024 04:24	5,043	65,932,980	39,861,000	1,993,000	2,273,280
49	Jun 4, 2024 04:24	5,043	75,838,562	40,859,000	996,000	2,273,280
50	Jun 4, 2024 04:24	5,043	67,803,122	40,860,000	996,000	2,273,280
51	Jun 4, 2024 04:23	5,043	70,214,335	39,860,000	1,993,000	2,273,280
52	Jun 4, 2024 04:24	5,044	67,693,413	39,873,000	1,993,000	2,273,280
53	Jun 4, 2024 04:23	5,044	64,345,796	41,868,000	0	2,408,448
54	Jun 4, 2024 04:24	5,045	64,980,341	41,871,000	0	2,273,280
55	Jun 4, 2024 04:24	5,045	66,717,844	40,879,000	997,000	2,273,280
56	Jun 4, 2024 04:24	5,047	63,934,778	40,896,000	997,000	2,510,848
57	Jun 4, 2024 04:24	5,047	70,325,758	40,889,000	997,000	2,273,280
58	Jun 4, 2024 04:24	5,048	70,730,021	40,902,000	997,000	2,273,280
59	Jun 4, 2024 04:24	5,049	66,508,481	39,915,000	1,995,000	2,273,280
60	Jun 4, 2024 04:24	5,051	68,712,096	39,925,000	1,996,000	2,273,280
61	Jun 4, 2024 04:24	5,051	63,688,970	39,929,000	1,996,000	2,400,256
62	Jun 4, 2024 04:24	5,056	73,699,823	40,964,000	999,000	2,404,352
63	Jun 4, 2024 04:23	5,062	63,430,843	40,012,000	2,000,000	2,273,280
64	Jun 4, 2024 04:23	5,222	104,131,962	43,341,270	0	2,285,568
65	Jun 4, 2024 04:24	5,223	118,517,423	43,354,797	0	2,281,472
66	Jun 4, 2024 04:23	5,225	130,555,616	43,369,602	0	2,285,568
67	Jun 4, 2024 04:24	5,225	123,865,269	43,366,746	0	2,281,472
68	Jun 4, 2024 04:23	5,227	103,638,465	43,385,061	0	2,289,664
69	Jun 4, 2024 04:24	5,227	110,960,945	43,380,640	0	2,277,376
70	Jun 4, 2024 04:24	5,227	118,022,922	43,384,911	0	2,277,376
71	Jun 4, 2024 04:23	5,229	103,127,752	43,404,063	0	2,289,664
72	Jun 4, 2024 04:24	5,230	101,039,920	43,409,340	0	2,285,568
73	Jun 4, 2024 04:23	5,231	110,355,970	43,417,722	0	2,281,472
74	Jun 4, 2024 04:24	5,231	116,671,955	43,420,380	0	2,285,568
75	Jun 4, 2024 04:23	5,233	109,007,899	43,430,134	0	2,281,472
76	Jun 4, 2024 04:24	5,233	122,307,283	43,433,106	0	2,277,376
77	Jun 4, 2024 04:23	5,234	115,229,645	43,440,219	0	2,293,760
78	Jun 4, 2024 04:23	5,234	109,030,156	43,439,878	0	2,293,760
79	Jun 4, 2024 04:24	5,239	112,815,871	43,485,558	0	2,289,664
80	Jun 4, 2024 04:24	5,239	106,853,678	43,481,101	0	2,289,664
81	Jun 4, 2024 04:24	5,243	106,413,062	43,519,783	0	2,285,568
82	Jun 4, 2024 04:23	5,249	120,551,901	43,569,755	0	2,281,472
83	Jun 4, 2024 04:24	5,249	110,016,325	43,566,987	0	2,277,376
84	Jun 4, 2024 04:24	5,250	115,056,829	43,579,038	0	2,281,472
85	Jun 4, 2024 04:24	5,250	119,070,280	43,573,663	0	2,281,472
86	Jun 4, 2024 04:24	5,252	100,066,218	43,590,105	0	2,289,664
87	Jun 4, 2024 04:24	5,258	111,985,095	43,640,186	0	2,289,664
88	Jun 4, 2024 04:23	5,267	103,672,644	43,719,682	0	2,289,664
89	Jun 4, 2024 04:23	5,275	108,908,773	43,785,434	0	2,281,472
90	Jun 4, 2024 04:23	5,320	107,701,271	44,157,206	0	2,293,760
91	Jun 4, 2024 04:24	5,913	72,560,724	47,076,000	2,003,000	2,273,280
92	Jun 4, 2024 04:24	5,924	77,278,535	48,164,000	1,003,000	2,392,064
93	Jun 4, 2024 04:24	5,927	71,615,383	47,185,000	2,007,000	2,396,160
94	Jun 4, 2024 04:23	5,929	83,101,714	47,206,000	2,008,000	2,400,256
95	Jun 4, 2024 04:24	5,933	71,222,862	49,244,000	0	2,273,280
96	Jun 4, 2024 04:23	5,938	74,268,335	48,280,000	1,005,000	2,273,280
97	Jun 4, 2024 04:24	5,946	78,413,251	49,351,000	0	2,396,160
98	Jun 4, 2024 04:24	5,946	73,222,874	49,348,000	0	2,273,280
99	Jun 4, 2024 04:24	5,949	72,461,839	49,378,000	0	2,400,256
100	Jun 4, 2024 04:24	5,951	75,906,812	48,386,000	1,008,000	2,273,280
101	Jun 4, 2024 04:23	5,951	74,903,235	49,390,000	0	2,400,256
102	Jun 4, 2024 04:24	5,963	71,034,576	49,490,000	0	2,273,280
103	Jun 4, 2024 04:24	5,977	73,262,873	49,610,000	0	2,396,160
104	Jun 4, 2024 04:24	5,981	75,632,703	48,628,000	1,013,000	2,396,160
105	Jun 4, 2024 04:24	6,002	78,471,684	48,819,000	996,000	2,400,256
106	Jun 4, 2024 04:24	6,012	77,612,987	48,902,000	998,000	2,273,280
107	Jun 4, 2024 04:24	6,013	72,030,667	47,913,000	1,996,000	2,273,280
108	Jun 4, 2024 04:24	6,019	72,799,420	47,959,000	1,998,000	2,273,280
109	Jun 4, 2024 04:23	6,049	78,654,014	49,204,000	1,004,000	2,273,280
110	Jun 4, 2024 04:23	6,058	75,949,887	50,285,000	0	2,273,280
111	Jun 4, 2024 04:23	6,213	77,864,674	50,557,000	1,011,000	2,400,256

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