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 11, 2025 00:06Leon ZhaoLeon ZhaoScore: 11,368Success
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Aug 11, 2025 00:0611,352121,092,02693,220,0001,002,0002,285,568
2Aug 11, 2025 00:0611,360117,759,28592,283,0002,006,0002,322,432
3Aug 11, 2025 00:0611,363122,500,04793,309,0001,003,0002,285,568
4Aug 11, 2025 00:0611,363122,497,39092,305,0002,006,0002,473,984
5Aug 11, 2025 00:0611,364120,273,43693,320,0001,003,0002,285,568
6Aug 11, 2025 00:0611,364122,354,05192,317,0002,006,0002,285,568
7Aug 11, 2025 00:2711,367118,425,70092,340,0002,007,0002,285,568
8Aug 11, 2025 00:0611,367121,536,91692,337,0002,007,0002,285,568
9Aug 11, 2025 00:0611,368115,729,61193,348,0001,003,0002,285,568
10Aug 11, 2025 00:2711,368116,615,30693,353,0001,003,0002,473,984
11Aug 11, 2025 00:0611,369117,360,40392,359,0002,007,0002,465,792
12Aug 11, 2025 00:2711,374122,362,32893,403,0001,004,0002,465,792
13Aug 11, 2025 00:0611,682123,302,75796,959,00002,469,888
14Aug 11, 2025 00:2711,683123,219,90094,968,0001,999,0002,310,144
15Aug 11, 2025 00:2711,684121,365,79694,978,0001,999,0002,285,568
16Aug 11, 2025 00:2711,685127,078,73495,986,000999,0002,285,568
17Aug 11, 2025 00:0611,687120,332,91795,001,0002,000,0002,285,568
18Aug 11, 2025 00:0611,695127,146,18795,068,0002,001,0002,285,568