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python/C++课程/第六课scanf语句与printf语句/hailungongshi.cpp

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2 years ago
#include<iostream>
#include<algorithm>
#include<math.h>
using namespace std;
int main()
{
double a,b,c,p,Area;
cout<<"<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ε<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߳<EFBFBD><EFBFBD><EFBFBD>"<<endl;
cin>>a>>b>>c;
p=(a+b+c)/2;
Area=sqrt(p*(p-a)*(p-b)*(p-c));
cout<<Area<<endl;
return 0;
}