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 listFeb 24, 2026 20:27

Mikołaj Uzarski

Score: 5,172

Success

Source Code

Source code access is restricted. Log in to request access.

Challenge History

No challenges yet.

Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Feb 24, 2026 20:33	5,156	70,308,766	40,805,000	1,990,000	2,285,568
2	Feb 24, 2026 20:44	5,156	73,880,516	40,803,000	1,990,000	2,506,752
3	Feb 24, 2026 20:30	5,158	70,360,160	40,820,000	1,991,000	2,281,472
4	Feb 24, 2026 20:30	5,158	77,438,837	40,818,000	1,991,000	2,510,848
5	Feb 24, 2026 20:30	5,158	66,515,684	41,793,000	1,019,000	2,285,568
6	Feb 24, 2026 20:55	5,158	70,354,404	39,826,000	2,986,000	2,285,568
7	Feb 24, 2026 20:36	5,159	71,580,244	40,830,000	1,991,000	2,510,848
8	Feb 24, 2026 20:44	5,159	69,866,081	40,828,000	1,991,000	2,285,568
9	Feb 24, 2026 20:27	5,160	72,831,764	41,832,000	996,000	2,281,472
10	Feb 24, 2026 20:27	5,160	68,521,320	40,835,000	1,991,000	2,289,664
11	Feb 24, 2026 20:27	5,160	67,025,511	40,834,000	1,991,000	2,285,568
12	Feb 24, 2026 20:27	5,160	67,200,222	40,833,000	1,991,000	2,514,944
13	Feb 24, 2026 20:27	5,160	73,866,809	39,843,000	2,988,000	2,498,560
14	Feb 24, 2026 20:33	5,160	74,073,521	40,839,000	1,992,000	2,285,568
15	Feb 24, 2026 20:35	5,160	65,682,658	40,840,000	1,992,000	2,285,568
16	Feb 24, 2026 20:56	5,160	70,772,591	40,838,000	1,992,000	2,285,568
17	Feb 24, 2026 20:30	5,161	69,401,332	41,838,000	996,000	2,281,472
18	Feb 24, 2026 20:33	5,161	68,604,759	39,848,000	2,988,000	2,281,472
19	Feb 24, 2026 20:33	5,161	65,515,101	42,833,000	0	2,506,752
20	Feb 24, 2026 20:33	5,161	70,240,891	42,833,000	0	2,285,568
21	Feb 24, 2026 20:37	5,161	65,783,954	40,848,000	1,992,000	2,281,472
22	Feb 24, 2026 20:44	5,161	73,355,186	41,840,000	996,000	2,510,848
23	Feb 24, 2026 20:33	5,162	71,291,363	40,852,000	1,992,000	2,285,568
24	Feb 24, 2026 20:27	5,163	64,905,227	39,867,000	2,990,000	2,281,472
25	Feb 24, 2026 20:30	5,163	66,545,408	40,859,000	1,993,000	2,281,472
26	Feb 24, 2026 20:33	5,163	65,614,106	39,863,000	2,989,000	2,506,752
27	Feb 24, 2026 20:36	5,163	67,831,290	40,857,000	1,993,000	2,285,568
28	Feb 24, 2026 20:27	5,164	64,079,090	41,842,000	1,020,000	2,277,376
29	Feb 24, 2026 20:30	5,164	71,218,682	40,872,000	1,993,000	2,285,568
30	Feb 24, 2026 20:30	5,164	65,623,763	40,870,000	1,993,000	2,289,664
31	Feb 24, 2026 20:30	5,165	65,334,566	40,877,000	1,994,000	2,281,472
32	Feb 24, 2026 20:44	5,165	71,698,356	40,876,000	1,993,000	2,289,664
33	Feb 24, 2026 20:45	5,165	70,326,346	40,874,000	1,993,000	2,281,472
34	Feb 24, 2026 20:27	5,166	64,644,391	40,885,000	1,994,000	2,285,568
35	Feb 24, 2026 20:27	5,166	69,074,163	40,882,000	1,994,000	2,281,472
36	Feb 24, 2026 20:27	5,166	65,424,685	40,883,000	1,994,000	2,281,472
37	Feb 24, 2026 20:27	5,167	67,002,678	41,893,000	997,000	2,285,568
38	Feb 24, 2026 20:36	5,167	72,356,148	41,887,000	997,000	2,498,560
39	Feb 24, 2026 20:27	5,168	67,208,814	40,902,000	1,995,000	2,330,624
40	Feb 24, 2026 20:30	5,168	69,472,738	39,903,000	2,992,000	2,289,664
41	Feb 24, 2026 20:36	5,168	70,123,670	39,899,000	2,992,000	2,281,472
42	Feb 24, 2026 20:55	5,168	66,109,837	40,897,000	1,995,000	2,510,848
43	Feb 24, 2026 20:56	5,168	65,721,477	40,900,000	1,995,000	2,506,752
44	Feb 24, 2026 20:27	5,169	67,953,301	40,907,000	1,995,000	2,510,848
45	Feb 24, 2026 20:33	5,169	66,106,357	40,907,000	1,995,000	2,498,560
46	Feb 24, 2026 20:33	5,169	69,410,381	40,910,000	1,995,000	2,285,568
47	Feb 24, 2026 20:44	5,169	71,834,737	40,911,000	1,995,000	2,506,752
48	Feb 24, 2026 20:44	5,169	74,622,489	40,908,000	1,995,000	2,281,472
49	Feb 24, 2026 20:33	5,171	71,284,175	40,925,000	1,996,000	2,510,848
50	Feb 24, 2026 20:44	5,171	70,255,908	40,922,000	1,996,000	2,506,752
51	Feb 24, 2026 20:27	5,172	65,452,150	40,928,000	1,996,000	2,281,472
52	Feb 24, 2026 20:55	5,172	66,255,310	40,930,000	1,996,000	2,502,656
53	Feb 24, 2026 20:44	5,173	68,667,739	40,937,000	1,996,000	2,285,568
54	Feb 24, 2026 20:45	5,173	65,783,145	39,942,000	2,995,000	2,510,848
55	Feb 24, 2026 20:45	5,173	67,480,239	40,939,000	1,997,000	2,277,376
56	Feb 24, 2026 20:27	5,174	67,841,216	40,945,000	1,997,000	2,285,568
57	Feb 24, 2026 20:30	5,174	65,690,166	40,947,000	1,997,000	2,506,752
58	Feb 24, 2026 20:33	5,174	72,873,468	41,950,000	998,000	2,506,752
59	Feb 24, 2026 20:56	5,176	65,293,964	41,963,000	999,000	2,367,488
60	Feb 24, 2026 20:27	5,177	66,557,677	40,970,000	1,998,000	2,289,664
61	Feb 24, 2026 20:44	5,178	72,056,582	41,975,000	999,000	2,514,944
62	Feb 24, 2026 20:30	5,179	66,061,740	41,985,000	999,000	2,285,568
63	Feb 24, 2026 20:33	5,179	71,456,249	40,990,000	1,999,000	2,506,752
64	Feb 24, 2026 20:36	5,179	65,755,681	41,990,000	999,000	2,502,656
65	Feb 24, 2026 20:27	5,180	65,782,706	40,996,000	1,999,000	2,510,848
66	Feb 24, 2026 20:27	5,180	64,445,523	40,996,000	1,999,000	2,510,848
67	Feb 24, 2026 20:27	5,180	66,443,709	40,991,000	1,999,000	2,510,848
68	Feb 24, 2026 20:30	5,180	67,278,906	40,998,000	1,999,000	2,510,848
69	Feb 24, 2026 20:36	5,180	67,058,297	40,997,000	1,999,000	2,285,568
70	Feb 24, 2026 20:27	5,181	66,247,567	41,001,000	2,000,000	2,281,472
71	Feb 24, 2026 20:55	5,182	68,881,680	42,009,000	1,000,000	2,285,568
72	Feb 24, 2026 20:55	5,182	64,558,984	41,007,000	2,000,000	2,281,472
73	Feb 24, 2026 20:30	5,183	64,374,473	40,021,000	3,001,000	2,514,944
74	Feb 24, 2026 20:33	5,183	66,689,742	41,022,000	2,001,000	2,285,568
75	Feb 24, 2026 20:36	5,184	64,545,177	41,029,000	2,001,000	2,510,848
76	Feb 24, 2026 20:44	5,184	68,145,605	41,028,000	2,001,000	2,285,568
77	Feb 24, 2026 20:27	5,185	69,520,487	41,031,000	2,001,000	2,285,568
78	Feb 24, 2026 20:27	5,186	63,777,194	42,043,000	1,001,000	2,281,472
79	Feb 24, 2026 20:27	5,186	66,967,657	40,039,000	3,002,000	2,510,848
80	Feb 24, 2026 20:30	5,186	66,716,536	41,045,000	2,002,000	2,506,752
81	Feb 24, 2026 20:44	5,186	68,001,198	41,043,000	2,002,000	2,359,296
82	Feb 24, 2026 20:55	5,188	69,067,270	42,062,000	1,001,000	2,285,568
83	Feb 24, 2026 20:37	5,189	68,266,812	41,064,000	2,003,000	2,281,472
84	Feb 24, 2026 20:44	5,190	71,138,913	41,073,000	2,003,000	2,285,568
85	Feb 24, 2026 20:36	5,191	70,840,494	41,085,000	2,004,000	2,338,816
86	Feb 24, 2026 20:27	5,198	71,048,740	41,136,000	2,006,000	2,510,848
87	Feb 24, 2026 20:33	5,198	70,758,831	41,134,000	2,006,000	2,510,848
88	Feb 24, 2026 20:44	5,203	70,241,663	40,176,000	3,013,000	2,502,656
89	Feb 24, 2026 20:37	5,204	64,984,281	41,184,000	2,008,000	2,285,568
90	Feb 24, 2026 20:44	5,205	69,841,033	42,194,000	1,004,000	2,506,752
91	Feb 24, 2026 20:27	5,217	65,705,811	42,293,000	1,006,000	2,506,752
92	Feb 24, 2026 20:44	5,222	73,427,363	41,324,000	2,015,000	2,498,560
93	Feb 24, 2026 20:33	5,238	66,561,778	42,462,000	1,011,000	2,502,656
94	Feb 24, 2026 20:27	5,243	71,725,007	42,505,000	1,012,000	2,281,472
95	Feb 24, 2026 20:36	5,252	74,246,379	41,613,000	1,981,000	2,510,848
96	Feb 24, 2026 20:33	5,256	69,936,934	41,597,000	2,029,000	2,506,752
97	Feb 24, 2026 20:33	5,262	70,516,411	42,657,000	1,015,000	2,502,656
98	Feb 24, 2026 20:27	5,278	70,418,279	42,814,000	995,000	2,285,568
99	Feb 24, 2026 20:30	5,281	69,419,599	42,835,000	996,000	2,506,752
100	Feb 24, 2026 20:33	5,403	76,577,365	42,850,000	1,993,000	2,506,752
101	Feb 24, 2026 20:35	5,608	74,953,926	45,535,000	1,011,000	2,510,848
102	Feb 24, 2026 20:35	6,303	81,217,307	49,297,000	3,018,000	2,506,752

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