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 24, 2026 21:01Daniel MastalerzDaniel MastalerzScore: 5,400Success
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Feb 24, 2026 21:025,36671,203,99642,514,0002,024,0002,269,184
2Feb 24, 2026 21:025,37472,508,40241,563,0003,041,0002,265,088
3Feb 24, 2026 21:025,37875,104,93641,598,0003,043,0002,310,144
4Feb 24, 2026 21:025,38279,556,38641,624,0003,045,0002,289,664
5Feb 24, 2026 21:015,38374,453,10742,646,0002,030,0002,265,088
6Feb 24, 2026 21:025,39568,772,18640,795,0003,980,0002,269,184
7Feb 24, 2026 21:025,39871,105,39841,817,0002,986,0002,326,528
8Feb 24, 2026 21:015,39973,270,36142,823,0001,991,0002,269,184
9Feb 24, 2026 21:025,39971,500,33240,831,0003,983,0002,314,240
10Feb 24, 2026 21:025,40072,686,92241,766,0003,056,0002,318,336
11Feb 24, 2026 21:015,40866,875,45040,900,0003,990,0002,326,528
12Feb 24, 2026 21:025,41870,070,46440,974,0003,997,0002,326,528
13Feb 24, 2026 21:015,46372,897,14741,316,0004,030,0002,265,088
14Feb 24, 2026 21:025,47268,922,01341,382,0004,037,0002,318,336
15Feb 24, 2026 21:025,48368,855,72942,475,0003,033,0002,519,040
16Feb 24, 2026 21:025,49171,779,74741,527,0004,051,0002,318,336
17Feb 24, 2026 21:015,49373,478,33142,557,0003,039,0002,260,992
18Feb 24, 2026 21:015,51973,615,32141,824,0003,983,0002,260,992