Question

ajutaţi-ma va rog la ex 8,10,11
dau coroana

Answer 1

(C++)
8.
#include <iostream>
#include <cmath>
using namespace std;
int main() {
int y,x;
cin >> x;
if (x > 15) y = 9*x+3*x*x;
else if (x <= 15) y = 3*x-5*sqrt(x+28);
cout << y;
return 0;
}

10.
#include <iostream>
using namespace std;
int main() {
int n,s=0,p=1;
cin >> n;
for (int i=1; i<=n; ++i) {
s += 1/i;
p *= 1/i;
}
cout << s << " " << p;
return 0;
}