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.

Restrictions:30s512Mb 1 Score Packages
Back to listFeb 17, 2026 22:15Adam LaRussoAdam LaRussoScore: 2,066,605Success
Source Code

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

Challenge History

No challenges yet.

Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Feb 17, 2026 22:162,064,51017,165,795,48617,075,465,00059,970,0002,514,944
2Feb 17, 2026 22:162,064,57417,171,232,42517,073,997,00061,970,0002,281,472
3Feb 17, 2026 22:152,064,76717,171,316,51117,069,596,00067,970,0002,281,472
4Feb 17, 2026 22:162,064,83317,169,234,92617,062,143,00075,969,0002,281,472
5Feb 17, 2026 22:152,065,25817,178,500,82617,089,663,00051,977,0002,265,088
6Feb 17, 2026 22:162,065,71517,179,143,64017,078,468,00066,970,0002,523,136
7Feb 17, 2026 22:152,065,74317,182,369,54717,075,696,00069,970,0002,293,760
8Feb 17, 2026 22:162,065,92417,176,694,68117,105,186,00041,983,0002,281,472
9Feb 17, 2026 22:162,066,33317,181,622,14217,063,600,00086,962,0002,269,184
10Feb 17, 2026 22:152,066,60517,182,978,67917,091,849,00060,970,0002,514,944
11Feb 17, 2026 22:152,067,60517,191,340,07417,089,157,00071,962,0002,281,472
12Feb 17, 2026 22:152,068,65117,200,540,84517,102,839,00066,968,0002,289,664
13Feb 17, 2026 22:152,068,75017,201,862,03217,115,649,00054,976,0002,281,472
14Feb 17, 2026 22:162,068,84217,200,416,52417,103,416,00067,969,0002,269,184
15Feb 17, 2026 22:162,070,05417,222,287,36117,113,481,00067,966,0002,289,664
16Feb 17, 2026 22:162,070,87517,223,236,19517,143,286,00044,979,0002,265,088
17Feb 17, 2026 22:152,077,16517,273,588,80417,170,508,00069,965,0002,281,472
18Feb 17, 2026 22:152,099,98017,459,984,41617,349,869,00079,967,0002,281,472