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 24, 2026 20:25Daniel MastalerzDaniel MastalerzScore: 5,410Success
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Feb 24, 2026 20:255,38173,326,34841,619,0003,045,0002,326,528
2Feb 24, 2026 20:255,38566,518,76840,725,0003,973,0002,273,280
3Feb 24, 2026 20:255,38972,917,19541,744,0002,981,0002,326,528
4Feb 24, 2026 20:255,39377,217,45240,787,0003,979,0002,326,528
5Feb 24, 2026 20:255,39982,068,11640,829,0003,983,0002,310,144
6Feb 24, 2026 20:255,40176,001,50140,842,0003,984,0002,523,136
7Feb 24, 2026 20:255,40468,147,19640,870,0003,987,0002,265,088
8Feb 24, 2026 20:255,41073,637,48540,914,0003,991,0002,326,528
9Feb 24, 2026 20:255,41171,032,60341,918,0002,994,0002,326,528
10Feb 24, 2026 20:255,41166,266,22241,921,0002,994,0002,265,088
11Feb 24, 2026 20:255,41269,823,58941,928,0002,994,0002,326,528
12Feb 24, 2026 20:255,42871,598,29941,049,0004,004,0002,318,336
13Feb 24, 2026 20:255,46866,170,97441,353,0004,034,0002,318,336
14Feb 24, 2026 20:255,47371,465,26442,395,0003,028,0002,519,040
15Feb 24, 2026 20:255,47570,184,93041,401,0004,039,0002,318,336