#include <LiquidCrystal.h>

LiquidCrystal lcd(12,11,10,9,8,7);

void reset(){
  lcd.setCursor(8,1);
  lcd.print("");
  lcd.setCursor(7,1);
  lcd.print("");
}

void setup(){
  pinMode(6, INPUT_PULLUP);
  lcd.begin(16,2);
  lcd.setCursor(3,0);
  lcd.print("Stopwatch!");
}

void loop(){
  String condition = "stop";
  int time = 0;
  if(digitalRead(6) == LOW && condition == "stop"){
    reset();
    if(condition == "stop"){
      condition = "start";
      while(condition == "start"){
        if(digitalRead(6) == LOW && condition == "start"){
          condition = "stop";
        }
        if(time < 10){
          lcd.setCursor(8,1);
        }
        else{
          lcd.setCursor(7,1);
        }
        lcd.print(time);
        time++;
        delay(1000);
      }
    }/*
    else{
      lcd.print(time);
      condition = "stop";
    }*/
  }
}