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 listJan 15, 2026 17:12Jonathan GopelJonathan GopelScore: 63,000Success
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Jan 15, 2026 17:1162,737552,828,866460,749,00059,967,0002,289,664
2Jan 15, 2026 17:1162,775542,737,749464,032,00057,003,0002,289,664
3Jan 15, 2026 17:1162,845551,067,861465,655,00055,958,0002,490,368
4Jan 15, 2026 17:1162,895547,209,028473,028,00049,002,0002,289,664
5Jan 15, 2026 17:1162,907545,356,708460,111,00062,015,0002,289,664
6Jan 15, 2026 17:1262,914545,608,084459,165,00063,022,0002,289,664
7Jan 15, 2026 17:1262,981542,864,169462,774,00059,970,0002,289,664
8Jan 15, 2026 17:1163,000549,847,910467,913,00054,989,0002,289,664
9Jan 15, 2026 17:1163,066551,230,782473,502,00049,947,0002,289,664
10Jan 15, 2026 17:1163,086555,262,736472,652,00050,962,0002,289,664
11Jan 15, 2026 17:1263,098547,035,849470,740,00052,970,0002,289,664
12Jan 15, 2026 17:1263,172552,029,051472,294,00052,032,0002,486,272
13Jan 15, 2026 17:1263,259552,067,624465,044,00060,005,0002,289,664
14Jan 15, 2026 17:1163,284552,090,522473,234,00052,025,0002,289,664
15Jan 15, 2026 17:1263,354554,094,781455,863,00069,979,0002,289,664