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 15, 2026 15:15Mikołaj UzarskiMikołaj UzarskiScore: 5,815Success
Source Code

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

Challenge History

No challenges yet.

Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Feb 15, 2026 19:135,71773,349,21341,393,0006,057,0002,478,080
2Feb 15, 2026 15:155,75786,673,32641,810,0005,972,0002,441,216
3Feb 15, 2026 19:135,76176,218,18941,838,0005,976,0002,473,984
4Feb 15, 2026 15:155,76672,505,79841,874,0005,982,0002,514,944
5Feb 15, 2026 15:155,77970,642,60441,968,0005,995,0002,506,752
6Feb 15, 2026 15:155,79369,618,07641,067,0007,011,0002,478,080
7Feb 15, 2026 15:155,79873,378,93542,106,0006,015,0002,371,584
8Feb 15, 2026 15:265,80574,431,35542,157,0006,022,0002,293,760
9Feb 15, 2026 15:155,80871,857,60742,183,0006,026,0002,347,008
10Feb 15, 2026 19:175,81175,178,75543,207,0005,024,0002,494,464
11Feb 15, 2026 15:265,81578,451,17644,243,0004,022,0002,420,736
12Feb 15, 2026 19:175,82474,519,16842,299,0006,042,0002,465,792
13Feb 15, 2026 19:355,83172,715,23642,347,0006,049,0002,490,368
14Feb 15, 2026 19:175,84074,274,43341,404,0007,069,0002,392,064
15Feb 15, 2026 15:155,84873,918,07242,470,0006,067,0002,514,944
16Feb 15, 2026 15:155,86074,554,04342,558,0006,079,0002,412,544
17Feb 15, 2026 19:355,86774,911,66141,737,0006,956,0002,506,752
18Feb 15, 2026 15:265,88076,245,58744,818,0003,983,0002,363,392
19Feb 15, 2026 19:135,88376,279,81142,853,0005,979,0002,342,912
20Feb 15, 2026 19:355,89275,600,39041,916,0006,986,0002,437,120
21Feb 15, 2026 15:155,89974,071,26443,969,0004,996,0002,482,176