1_10

#include <iostream>
#include <cmath>

using namespace std;
int main()
{
    float years, end_count_money, start_count_money, percent;
    cout << "Enter your count of money: ";
    cin >> start_count_money;

    cout << "Your percent: ";
    cin >> percent;

    cout << "End count of money: ";
    cin >> end_count_money;

    years = log(end_count_money/start_count_money)/log(1+percent/100);
    round(years);
    if(years < 100){
        cout << "u need: " << years << " years to become" << end_count_money <<endl;
    }
    else{
        cout << "u need better percent :/ ";
    }

    return 0;
}