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 listMar 15, 2026 14:15eldon-chungeldon-chungScore: 35,766Success
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Mar 15, 2026 14:1535,736322,250,769294,613,0001,997,0002,260,992
2Mar 15, 2026 14:1535,741322,837,930295,654,000998,0002,379,776
3Mar 15, 2026 14:1535,742320,742,319294,659,0001,997,0002,285,568
4Mar 15, 2026 14:1535,753321,682,523294,750,0001,998,0002,285,568
5Mar 15, 2026 14:1535,757325,776,884294,785,0001,998,0002,285,568
6Mar 15, 2026 14:1535,761322,386,115295,821,000999,0002,285,568
7Mar 15, 2026 14:1535,765324,987,636294,852,0001,999,0002,285,568
8Mar 15, 2026 14:1535,766319,570,333294,860,0001,999,0002,273,280
9Mar 15, 2026 14:1536,347332,946,046299,685,0001,997,0002,285,568
10Mar 15, 2026 14:1536,354328,053,643300,739,000999,0002,269,184
11Mar 15, 2026 14:1536,359325,130,183299,783,0001,998,0002,269,184
12Mar 15, 2026 14:1536,371325,436,188300,881,000999,0002,277,376
13Mar 15, 2026 14:1536,372328,186,813300,890,000999,0002,285,568
14Mar 15, 2026 14:1536,372324,899,993299,885,0001,999,0002,363,392
15Mar 15, 2026 14:1536,374324,825,106300,908,000999,0002,277,376