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 listAug 2, 2025 16:22Jack FrigaardJack FrigaardScore: 4,717Success
Source Code

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

Challenge History

No challenges yet.

Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Aug 2, 2025 16:274,65364,688,16938,618,00002,449,408
2Aug 2, 2025 16:274,65564,915,53737,623,0001,016,0002,293,760
3Aug 2, 2025 16:274,65863,779,24336,627,0002,034,0002,519,040
4Aug 2, 2025 16:274,66064,333,81036,644,0002,035,0002,519,040
5Aug 2, 2025 16:274,66163,649,39136,654,0002,036,0002,449,408
6Aug 2, 2025 16:274,67565,054,34235,816,0002,984,0002,293,760
7Aug 2, 2025 16:274,67672,553,03335,828,0002,985,0002,519,040
8Aug 2, 2025 16:274,67667,651,03635,823,0002,985,0002,519,040
9Aug 2, 2025 16:274,67669,440,91035,825,0002,985,0002,445,312
10Aug 2, 2025 16:274,67763,933,70235,832,0002,986,0002,453,504
11Aug 2, 2025 16:274,67767,096,28235,835,0002,986,0002,519,040
12Aug 2, 2025 16:274,67864,343,00636,783,0002,043,0002,519,040
13Aug 2, 2025 16:274,67862,897,42235,844,0002,987,0002,453,504
14Aug 2, 2025 16:274,67863,518,28935,844,0002,987,0002,510,848
15Aug 2, 2025 16:274,67864,343,00035,844,0002,987,0002,306,048
16Aug 2, 2025 16:274,67970,501,35435,846,0002,987,0002,519,040
17Aug 2, 2025 16:274,68762,614,14335,912,0002,992,0002,445,312
18Aug 2, 2025 16:274,70661,204,65437,058,0002,003,0002,510,848
19Aug 2, 2025 16:274,71764,802,86837,142,0002,007,0002,519,040
20Aug 2, 2025 16:274,71762,383,92936,139,0003,011,0002,519,040
21Aug 2, 2025 16:274,71764,145,56236,138,0003,011,0002,519,040
22Aug 2, 2025 16:274,72361,954,02338,199,0001,005,0002,519,040
23Aug 2, 2025 16:274,72762,891,31136,216,0003,018,0002,437,120
24Aug 2, 2025 16:274,73161,507,17537,257,0002,013,0002,445,312
25Aug 2, 2025 16:274,73865,802,26337,306,0002,016,0002,445,312
26Aug 2, 2025 16:274,74263,800,02238,348,0001,009,0002,519,040
27Aug 2, 2025 16:274,75565,379,87936,434,0003,036,0002,510,848
28Aug 2, 2025 16:274,75566,059,00838,453,0001,011,0002,519,040
29Aug 2, 2025 16:274,80066,299,22637,850,0001,992,0002,445,312
30Aug 2, 2025 16:274,80463,196,31236,885,0002,990,0002,514,944
31Aug 2, 2025 16:225,19964,989,84840,145,0003,010,0002,453,504
32Aug 2, 2025 16:225,20668,762,17840,199,0003,014,0002,441,216
33Aug 2, 2025 16:225,22965,552,24440,373,0003,027,0002,445,312
34Aug 2, 2025 16:225,28377,396,48941,853,0001,993,0002,519,040
35Aug 2, 2025 16:225,29368,125,70042,937,000998,0002,519,040
36Aug 2, 2025 16:225,37371,985,98142,573,0002,027,0002,519,040