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 26, 2026 09:35lipapipalipapipaScore: 5,818Success
Source Code

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

Challenge History

No challenges yet.

Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Feb 26, 2026 09:355,67568,376,18445,096,0002,004,0002,297,856
2Feb 26, 2026 09:355,69168,740,67245,229,0002,010,0002,351,104
3Feb 26, 2026 09:345,73976,722,57746,622,0001,013,0002,469,888
4Feb 26, 2026 09:355,76173,290,63545,827,0001,992,0002,367,488
5Feb 26, 2026 09:355,76274,005,67744,834,0002,988,0002,510,848
6Feb 26, 2026 09:355,76374,561,37045,839,0001,993,0002,301,952
7Feb 26, 2026 09:355,76577,024,40744,861,0002,990,0002,367,488
8Feb 26, 2026 09:345,78672,265,34846,025,0002,001,0002,371,584
9Feb 26, 2026 09:345,79269,695,30746,069,0002,003,0002,289,664
10Feb 26, 2026 09:345,81870,661,78446,276,0002,012,0002,363,392
11Feb 26, 2026 09:355,82671,620,30746,340,0002,014,0002,285,568
12Feb 26, 2026 09:345,84472,001,62647,499,0001,010,0002,379,776
13Feb 26, 2026 09:345,84572,015,13548,515,00002,506,752
14Feb 26, 2026 09:355,86172,636,55146,622,0002,027,0002,375,680
15Feb 26, 2026 09:355,90974,794,84447,045,0002,001,0002,310,144
16Feb 26, 2026 09:355,91674,683,83647,096,0002,004,0002,375,680
17Feb 26, 2026 09:355,91777,028,51546,104,0003,006,0002,265,088
18Feb 26, 2026 09:356,00181,275,63746,824,0002,988,0002,269,184