int valor_chances = 5;
int chances = valor_chances;
int j = 0;

void setup() {
  Serial.begin(115200);
  pinMode(8, INPUT_PULLUP);
  pinMode(4, OUTPUT);
  pinMode(7, OUTPUT);
  digitalWrite(7, LOW);

  for(int r = 9; r <= 13; r++){                                                                
    pinMode(r, OUTPUT);
  }
    
  for(int r = 1; r <= chances; r++){
    digitalWrite(r + 8, HIGH);
  }
}

void loop() {
  if(j == 1){
    if(digitalRead(8) == LOW){
      //digitalWrite(13, HIGH);
      chances--;
      ligar_chances();
      while(digitalRead(8) == LOW){}
      delay(200);   
    }else{
      //digitalWrite(13, LOW);
    }
  }else{
    aguarda();
  }  
}

void perdeu(){
  for(int q = 1; q <= 3;q++){
    for(int t = 1; t <= 750;t++){
      digitalWrite(4, HIGH);
      delayMicroseconds(190);
      digitalWrite(4, LOW);
      delayMicroseconds(190);
    }
    delay(250);
  }

  chances = valor_chances;
  delay(1500);
  ligar_chances();
}

void ligar_chances(){
  if (chances <= 0){
    chances = 0;
  }

  for(int r = 1; r <= 5; r++){                                                                
    digitalWrite(r + 8, LOW);
  }

  for(int r = 1; r <= chances; r++){
    digitalWrite(r + 8, HIGH);
  }
  if (chances <= 0){
    perdeu();
  }
} 

void aguarda(){
  ligar_chances();
  delay(500);
  for(int r = 1; r <= 5; r++){                                                                
    digitalWrite(r + 8, LOW);
  }
  delay(1000);
}