uva 10341

#include <iostream>#include <cstdio>#include <cstring>#include <algorithm>#include <cmath>using namespace std;int p,q,r,s,t,u;double x;double Equa(double X){return p*exp(-X) + q*sin(X) + r*cos(X) + s*tan(X) + t*X*X + u;}int main(){freopen("in.txt","r",stdin);while(cin >> p >> q >> r >> s >> t >> u){if(Equa(1) >0 ||Equa(0)  <0) {cout << "No solution" << endl;continue;}double low,mid,high;low=0;high=1;mid=1;while(high-low>1e-9){mid=(low+high)/2.0;if(Equa(mid) <0) {high=mid;}else {low=mid;}}printf("%.4lf\n",mid);}return 0;}