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 17:29Ian MckibbenIan MckibbenScore: 12,178Success
Source Code

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

Challenge History

No challenges yet.

Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Aug 11, 2025 17:2112,162123,315,88398,944,0001,998,0002,437,120
2Aug 11, 2025 17:2112,163131,453,83199,951,000999,0002,531,328
3Aug 11, 2025 17:2112,163126,463,18999,952,000999,0002,269,184
4Aug 11, 2025 17:2912,166123,985,43398,978,0001,999,0002,531,328
5Aug 11, 2025 17:2112,167127,748,79398,988,0001,999,0002,441,216
6Aug 11, 2025 17:2112,172124,348,46199,028,0002,000,0002,531,328
7Aug 11, 2025 17:2912,176127,074,272100,059,0001,000,0002,531,328
8Aug 11, 2025 17:2912,178124,591,898100,079,0001,000,0002,531,328
9Aug 11, 2025 17:2112,442127,083,320102,270,0001,002,0002,269,184
10Aug 11, 2025 17:2112,453122,399,337103,358,00002,428,928
11Aug 11, 2025 17:2912,454121,833,956103,371,00002,531,328
12Aug 11, 2025 17:2112,457125,207,461102,393,0001,003,0002,510,848
13Aug 11, 2025 17:2912,460129,976,458103,415,00002,437,120
14Aug 11, 2025 17:2912,465125,383,642102,456,0001,004,0002,531,328
15Aug 11, 2025 17:2113,202134,974,175109,575,00002,437,120