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 19, 2026 04:22Josu San MartinJosu San MartinScore: 6,059Success
Source Code

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

Challenge History

No challenges yet.

Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Feb 19, 2026 04:225,94476,545,53047,320,0002,013,0002,387,968
2Feb 19, 2026 05:275,94875,269,09648,362,0001,007,0002,400,256
3Feb 19, 2026 04:275,95179,331,26549,396,00002,281,472
4Feb 19, 2026 04:275,95375,972,68848,403,0001,008,0002,387,968
5Feb 19, 2026 05:275,97673,124,03147,617,0001,984,0002,400,256
6Feb 19, 2026 04:276,00773,726,39947,867,0001,994,0002,273,280
7Feb 19, 2026 05:276,02377,071,74648,992,000999,0002,277,376
8Feb 19, 2026 04:276,04774,104,75248,186,0002,007,0002,396,160
9Feb 19, 2026 05:276,05178,024,07549,222,0001,004,0002,396,160
10Feb 19, 2026 04:226,05977,889,17748,279,0002,011,0002,514,944
11Feb 19, 2026 04:276,06772,476,60949,348,0001,007,0002,281,472
12Feb 19, 2026 04:226,06773,234,44650,356,00002,392,064
13Feb 19, 2026 04:226,07075,149,81749,375,0001,007,0002,387,968
14Feb 19, 2026 05:276,09275,693,15049,555,0001,011,0002,396,160
15Feb 19, 2026 05:276,09575,771,16149,578,0001,011,0002,281,472
16Feb 19, 2026 04:276,12973,252,30648,875,0001,994,0002,387,968
17Feb 19, 2026 04:226,20275,167,47850,467,0001,009,0002,281,472
18Feb 19, 2026 04:226,20872,168,33950,516,0001,010,0002,506,752