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  1. #include<iostream>
  2. #include<iomanip>
  3. #include<cmath>
  4.  
  5. using namespace std;
  6.       int main(){
  7.       	int x1, y1,x2,y2;
  8.       	cin>>x1>>y1>>x2>>y2;
  9.       	double kc=sqrt(pow(x2-x1,2)+pow(y2-y1,2));
  10.       	cout<<fixed<<setprecision(2);
  11.       	cout<<kc<<endl;
  12.  
  13.       	return 0;
  14.       }
  15.  
  16.  
Success #stdin #stdout 0.01s 5284KB
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4.12
https://ideone.com/AgLhAA
language:
C++ (gcc 8.3)
created:
12 hours ago
visibility:
public

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