ass

#include<iostream>
#include<vector>
#include<cmath>
using namespace std;
double fun(double x, vector<int> p, vector<int> c){
	double sum=0;
	while(!p.empty()){
		double po=p.back();
		p.pop_back();
		double co=c.back();
		c.pop_back();
		double k=co*pow(x,po);
		sum=sum+k;
	}
	return sum;
}
int main(){
	vector<int> coeff;
	vector<int> power;
	int a,b,c;
	while(true){
		cout<<"Give power and coeffiecent polynomial as input. 1 to contiue and 0 to end";
		cin>>c;
		if(c==0){
			break;
		}
		cin>>a;
		cin>>b;
		power.push_back(a);
		coeff.push_back(b);
	}
	cout<<"give range and step length";
	double lower,upper,len;
	cin>>lower;
	cin>>upper;
	cin>>len;
	double max=-99999999;
	double min=99999999;
	double k=0;
	double q=lower;
	for(int i=1; q<=upper ; i++ ){
		k=fun(q,power,coeff);
		if(k>max){
			max=k;
		}
		if(k<min){
			min=k;
		}
		q=lower+len*i;
	}
	cout<<"Min and max value of x is : "<<min<<" AND "<<max;
	return 0;
}