View Code of Problem 69

#include<iostream>
 
using namespace std;
 
int main() {
	double x;
	cin >> x;
	if (x < 1) {
		cout << x;
	}
	else if (x >= 10) {
		cout << 3 * x - 11;
	}
	else {
		cout << 2 * x - 1;
	}
}