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- #include<iostream>
- #include<cmath>
- using namespace std;
- double f(double x)
- {
- return sin(x);
- }
- double proizvedenie(double x)
- {
- double pr=1;
- for(int i=0;i<2;i++)
- {
- pr=pr*x;
- }
- return pr;
- }
- double suma(double x)
- {
- double sum=0;
- for(int i=0;i<2;i++)
- {
- sum=sum+x;
- }
- }
- int main()
- {
- int n;
- cout<<"Vyvedi stepen: ";
- cin>>n;
- double x[3],y[3],pr1=1,pr2=1,sum=0;
- for(int i=0;i<3;i++)
- {
- cin>>x[i];
- y[i]=f(x[i]);
- }
- for(int k=0;k<n;k++)
- {
- for(int j=0;j<n&&j!=k;j++)
- {
- pr1=proizvedenie(x[k]-x[j]);
- pr2=proizvedenie(0.655-x[j]);
- sum=suma((y[k]/pr1)*pr1);
- }
- }
- cout<<sum;
- return 0;
- }
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