View Code of Problem 69

#include <stdio.h>
#include <stdlib.h>

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