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 21, 2026 18:28Daniel MastalerzDaniel MastalerzScore: 5,602Success
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Feb 21, 2026 18:285,52075,350,36641,830,0003,983,0002,265,088
2Feb 21, 2026 18:285,52276,186,15942,846,0002,989,0002,322,432
3Feb 21, 2026 18:285,52571,457,42040,872,0004,984,0002,326,528
4Feb 21, 2026 18:285,52769,312,89141,883,0003,988,0002,367,488
5Feb 21, 2026 18:285,52872,635,49841,893,0003,989,0002,514,944
6Feb 21, 2026 18:285,53070,854,89641,905,0003,991,0002,326,528
7Feb 21, 2026 18:285,53473,132,33041,939,0003,994,0002,306,048
8Feb 21, 2026 18:285,60267,534,19143,461,0003,032,0002,318,336
9Feb 21, 2026 18:285,60670,401,12143,496,0003,034,0002,519,040
10Feb 21, 2026 18:285,60774,245,89043,505,0003,035,0002,318,336
11Feb 21, 2026 18:285,61973,110,96343,595,0003,041,0002,306,048
12Feb 21, 2026 18:285,64173,564,93342,839,0003,985,0002,281,472
13Feb 21, 2026 18:285,64571,057,83043,802,0003,055,0002,265,088
14Feb 21, 2026 18:285,77974,335,46643,966,0003,996,0002,326,528
15Feb 21, 2026 18:286,14280,376,76146,978,0003,998,0002,514,944