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 listApr 27, 2026 15:27Victor MerckléVictor MerckléScore: 264,327Success
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Apr 27, 2026 15:27264,2552,214,195,5272,189,328,0003,996,0002,322,432stderr
2Apr 27, 2026 15:27264,3272,214,854,9032,192,919,000999,0002,510,848stderr
3Apr 27, 2026 15:27264,3782,213,781,1722,190,347,0003,996,0002,338,816stderr