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 18, 2026 21:26lipapipalipapipaScore: 6,275Success
Source Code

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

Challenge History

No challenges yet.

Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Feb 18, 2026 20:486,12771,171,17847,862,0002,991,0002,510,848
2Feb 18, 2026 20:486,13178,648,34747,891,0002,993,0002,297,856
3Feb 18, 2026 20:486,14970,949,76048,037,0003,002,0002,498,560
4Feb 18, 2026 21:266,15276,211,86349,056,0002,002,0002,494,464
5Feb 18, 2026 20:486,17676,074,59249,252,0002,010,0002,506,752
6Feb 18, 2026 20:486,18575,795,54149,320,0002,013,0002,510,848
7Feb 18, 2026 20:486,19878,962,93548,420,0003,026,0002,490,368
8Feb 18, 2026 21:266,21878,969,22950,597,0001,011,0002,502,656
9Feb 18, 2026 21:266,26177,272,88450,970,000999,0002,310,144
10Feb 18, 2026 21:266,27575,172,35448,075,0004,006,0002,441,216
11Feb 18, 2026 20:486,28881,167,27650,180,0002,007,0002,498,560
12Feb 18, 2026 20:486,29476,071,39451,238,0001,004,0002,494,464
13Feb 18, 2026 20:486,30273,615,59750,294,0002,011,0002,285,568
14Feb 18, 2026 20:486,33083,835,72650,519,0002,020,0002,494,464
15Feb 18, 2026 21:266,37174,991,59151,863,0001,016,0002,502,656
16Feb 18, 2026 20:486,38777,282,78250,010,0003,000,0002,498,560
17Feb 18, 2026 20:486,44175,268,31951,481,0001,980,0002,289,664
18Feb 18, 2026 21:266,62178,657,28452,959,0001,998,0002,506,752