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#include <bits/stdc++.h>
using namespace std;
 
int main() {
	long long x = 81245891235;
	double y = sqrt(x);
	printf("%.20lf\n", y);
}

Success #stdin #stdout 0.01s 5472KB

stdin

Standard input is empty

stdout

285036.64893308019964024425

https://ideone.com/459pDM

language:

C++14 (gcc 8.3)

created:

visibility:

secret

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