View Code of Problem 69

#include<iostream>
using namespace std;
int main()
{  int x,y;
   cin>>x;
   if(x<1)
    y=x;
    else if(x>=1&&x<10)
    y=2*x-1;
    else if(x>=10)
    y=3*x-1;
    else 
    return 0;
    cout<<y<<endl;
    return 0;
}