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 4, 2026 17:26caandocaandoScore: 5,254Success
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Mar 4, 2026 17:005,24469,971,54042,517,0001,012,0002,523,136
2Mar 4, 2026 17:085,24471,618,22043,524,00002,506,752
3Mar 4, 2026 17:085,24672,117,57243,541,00002,289,664
4Mar 4, 2026 17:085,24867,904,96342,546,0001,013,0002,289,664
5Mar 4, 2026 17:265,25175,978,31142,569,0001,013,0002,371,584
6Mar 4, 2026 17:265,25171,330,88041,557,0002,027,0002,519,040
7Mar 4, 2026 17:085,25373,442,83641,575,0002,028,0002,519,040
8Mar 4, 2026 17:005,25469,738,17642,592,0001,014,0002,285,568
9Mar 4, 2026 17:265,25472,596,21642,596,0001,014,0002,289,664
10Mar 4, 2026 17:085,25475,432,18943,610,00002,523,136
11Mar 4, 2026 17:005,25576,956,54742,599,0001,014,0002,289,664
12Mar 4, 2026 17:265,25569,023,30842,606,0001,014,0002,523,136
13Mar 4, 2026 17:005,26173,949,66842,652,0001,015,0002,285,568
14Mar 4, 2026 17:005,26274,290,67942,656,0001,015,0002,519,040
15Mar 4, 2026 17:005,26472,836,93243,689,00002,514,944
16Mar 4, 2026 17:265,27071,055,95641,756,0001,988,0002,285,568
17Mar 4, 2026 17:265,27974,160,34243,818,00002,285,568
18Mar 4, 2026 17:085,27978,494,66042,822,000995,0002,519,040