View Code of Problem 69

#include<bits/stdc++.h>
using namespace std;
int main(){
	int x;
	cin>>x;
	if(x<1){
		cout<<x;
	}
	else if(x>=10){
		cout<<3*x-11;
	}
	else{
		cout<<2*x-1;
	}
	return 0;
}