a2

incompleto
#include <iostream>

using namespace std;

int main() {
int n, d;
float soma;
n = 1;
soma = 0;
for(d=1;d<=50;d= d+1){
soma = soma + ( n /d );
n = n + 2;
}
cout<<"soma vale: "<<soma<<endl;


return 0;
}