Magnet particules in boxes
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| #include <bits/stdc++.h>
using namespace std;
class Magnets
{
public:
static double doubles(int maxk, int maxn);
};
double Magnets::doubles(int maxk, int maxn) {
double res = 0.;
auto v = [](double i, double j) {
return 1. / i / pow(j+1,2*i);
};
for(int i = 1; i <= maxk; i++) {
for(int j = 1; j <= maxn; j++) {
res += v(i,j);
}
}
return res;
}
|
