if(secs<10){
lcd.setCursor(12,0);
lcd.print(secs);
lcd.setCursor(11,0);
lcd.print(0);
}
else{
lcd.setCursor(11,0);
lcd.print(secs);
}
Much simpler:
lcd.setCursor(11,0);
int tens =secs/10;
lcd.print(tens); //print tens or a zero if none
lcd.setCursor(12,0);
lcd.print(secs %10); //print units