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 10, 2026 19:06Daniel MastalerzDaniel MastalerzScore: 8,299Success
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Feb 10, 2026 19:068,22095,825,45864,210,0004,013,0002,322,432
2Feb 10, 2026 19:068,23793,277,50464,347,0004,021,0002,523,136
3Feb 10, 2026 19:068,24391,798,23065,399,0003,018,0002,322,432
4Feb 10, 2026 19:068,24393,028,72965,402,0003,018,0002,322,432
5Feb 10, 2026 19:068,24993,055,57965,449,0003,020,0002,322,432
6Feb 10, 2026 19:068,28697,585,32865,783,0002,990,0002,306,048
7Feb 10, 2026 19:068,29992,258,70464,886,0003,992,0002,285,568
8Feb 10, 2026 19:068,31197,332,52565,982,0002,999,0002,519,040
9Feb 10, 2026 19:068,406100,189,59067,780,0001,993,0002,318,336
10Feb 10, 2026 19:068,40796,618,50566,784,0002,990,0002,318,336
11Feb 10, 2026 19:068,408100,792,56665,796,0003,987,0002,306,048
12Feb 10, 2026 19:068,92797,772,08270,090,0004,005,0002,269,184