Parse integers Sergey Svistunov

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].

629871117
2024562523
1372689083
1021777120
2111176472

Output: The uint64 sum of all numbers, printed as a decimal string.

Note: Integer overflow is expected – use a 64-bit accumulator.

Back to listFeb 27, 2026 08:13lipapipalipapipaScore: 6,186Success
Source Code

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

Challenge History

No challenges yet.

Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Feb 27, 2026 08:135,99875,356,76647,790,0001,991,0002,363,392
2Feb 27, 2026 08:136,12276,755,59448,823,0001,992,0002,375,680
3Feb 27, 2026 08:136,12474,020,16248,796,0002,033,0002,367,488
4Feb 27, 2026 08:136,12687,807,39449,851,000997,0002,371,584
5Feb 27, 2026 08:136,13075,873,58247,884,0002,992,0002,371,584
6Feb 27, 2026 08:136,13875,268,39748,947,0001,997,0002,379,776
7Feb 27, 2026 08:136,16774,552,04548,176,0003,011,0002,514,944
8Feb 27, 2026 08:136,16773,763,65847,170,0004,014,0002,367,488
9Feb 27, 2026 08:136,17576,416,21448,240,0003,015,0002,490,368
10Feb 27, 2026 08:136,18676,513,47450,334,0001,006,0002,387,968
11Feb 27, 2026 08:136,18775,504,64849,342,0002,013,0002,363,392
12Feb 27, 2026 08:136,21683,204,49949,572,0002,023,0002,465,792
13Feb 27, 2026 08:136,25878,222,53749,946,0001,997,0002,523,136
14Feb 27, 2026 08:136,26474,880,29148,992,0002,999,0002,289,664
15Feb 27, 2026 08:136,28775,096,46951,176,0001,003,0002,363,392
16Feb 27, 2026 08:136,42174,515,25350,276,0003,016,0002,490,368
17Feb 27, 2026 08:136,60980,020,77752,860,0001,994,0002,371,584
18Feb 27, 2026 08:136,64380,636,32052,128,0003,007,0002,347,008