View Code of Problem 69

#include <stdio.h>

int main() {
    int x, y;
    scanf("%d\n", &x);
    if(x < 1)
        y = x;
    else if(x < 10)
        y = 2*x-1;
    else
        y = 3*x-11;
    printf("%d\n", y);
    return 0;
}