#include<bits/stdc++.h> using namespace std; const double EPS = 1e-6; int main(){ int n, l; cin >> n >> l; int curLen = l; while(curLen <= 100) { double a = (double)(2 * n - curLen * (curLen - 1)) / (2 * curLen); if(a >= 0 && fabs(a - (...
