Submission #1763234

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;

int main()
{
    int n, m; cin >> n >> m;

    double time = m * 1900 + (n - m) * 100;
    double p = double(1) - double(1) / double(1 << m);
    double pp = p;

    double ex = 0;

    for(int i = 1; i <= 10000; i++)
    {
        ex += double(i) * time * pp;
        pp *= p;
    }

    double ip = double(1) - p;

    ex *= ip;

    ex += time;

    cout << llround(ex) << endl;
    return 0;
}

Submission Info

Judge Result