#include <iostream>
using namespace std;
double funktion( double ) ;
double funcshn( double ) ;
int main( ) {
int i = 0 ;
double x = 0 ;
for ( i = 0 ; i < 10 ; i++ ) {
x = x + funktion( x) ;
}
cout << x;
}
double funktion( double x) {
double y = 10 ;
return x + funcshn( & y) ;
}
double funcshn( double * y) {
return ( * y) + 10 ;
}
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