Mine

#include <iostream>#include <math.h>using namespace std;double m(int i){    return ((i-1)/i);}int main(){	int x=20;	int k=0;	for (int i=2; i <=x; i++)	{		k+= ((i-1)/i);                cout << "x=" << i << " m(x)="<< k <<endl;	}	return 0;}