#define NOTE_B0 31
const byte redSW=2;
const byte blueSW=3;
const byte grennSW=4;
const byte yellowSW=5;
const byte whiteSW=6;
const byte swCount=5;
const byte speaker= 9;

bool isBoom=false;
const byte swPins[] = {
  redSW,blueSW,grennSW,yellowSW,whiteSW};
int ledEnd=8;
void setup() {

  
  // put your setup code here, to run once:
    
    Serial.begin(9600);
    for (byte pin = 0; pin < swCount; pin++) {
      pinMode(swPins[pin], INPUT_PULLUP);
    }
    pinMode(speaker, OUTPUT);
    pinMode(ledEnd, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  
  check();
  delay(500);
}

void check(){
  if (isBoom)
    return;


  byte sumPres=0;
  for (byte pin = 0; pin < swCount; pin++) {
    int redVal=digitalRead(swPins[pin]);
    if (redVal==LOW)
      {
         if(pin >0 &&  digitalRead(swPins[pin-1])==HIGH){
            BOOOM();
            break;
        }
        sumPres++;
      }
  }
  
  Serial.println(sumPres);
  if(sumPres==swCount){
    digitalWrite(ledEnd, HIGH);
  }
}

void BOOOM(){
  Serial.println("BOOM");
  isBoom=true;
  tone(speaker, NOTE_B0);
  delay(3000);
  noTone(speaker);

}