Module: Carian binari untuk fungsi monoton


Problem

3 /5


Punca kuasa dua dan kuasa dua

Problem

Cari nombor x supaya \(x^2 + \sqrt{x} = C\) , dengan ketepatan sekurang-kurangnya 6 tempat perpuluhan.< / div>
 
Input
Baris tunggal mengandungi nombor nyata \(1 <=C <=10^{10}\).
 
Output
Cetak satu nombor — \(x\).
 
Contoh
 

time 1000 ms
memory 256 Mb
Rules for program design and list of errors in automatic problem checking

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# Input Output
1 2.0000000000 1.000000000
2 18.0000000000 4.000000000