DESAFIO_GENIUS_3_LEDS

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

#define yellow 10
#define green 9
#define red 8
#define button1 2
#define button2 3
#define button3 4

int buttonState;
void setup() {
  pinMode(yellow, OUTPUT);
  pinMode(green, OUTPUT);
  pinMode(red, OUTPUT);
  pinMode(button1, INPUT);
  pinMode(button2, INPUT);
  pinMode(button3, INPUT);
  Serial.begin(9600);
}
void loop() {
  int randomInt, i;
  int order[19];
  for(i=0;i<19;i++){
    randomInt = random(3);
    order[i] = randomInt;
  }
  for(i=0;i<19;i++){
    Serial.print(order[i]);
  }
  digitalWrite(red, LOW);
  digitalWrite(green, LOW);
  digitalWrite(yellow, LOW);
  iterations(order);
}

void iterations(int *order){
  int i, j, LED;
  for(i=0;i<19;i++){
    for(j=0;j<i;j++){
      if(order[j]==0) LED = red;
      else if(order[j]==1) LED = green;
      else if(order[j]==2) LED = yellow;
      delay(500);
      digitalWrite(LED, HIGH);
      delay(700);
      digitalWrite(LED, LOW);
    }
    for(j=0;j<i;j++){
      readButtons();
      if(buttonState==0) LED = red;
      else if(buttonState==1) LED = green;
      else if(buttonState==2) LED = yellow;
      digitalWrite(LED, HIGH);
      Serial.println(buttonState);
      delay(300);
      digitalWrite(LED, LOW);
      if(buttonState != order[j]) gameOver();
    }
  }
  victory();
}
void readButtons(){
  if(digitalRead(button1)==HIGH) buttonState = 0;
  else if(digitalRead(button2)==HIGH) buttonState = 1;
  else if(digitalRead(button3)==HIGH) buttonState = 2;
  else readButtons();
}
void gameOver(){
  digitalWrite(red, HIGH);
  digitalWrite(green, HIGH);
  digitalWrite(yellow, HIGH);
  delay(4000);
  loop();
}

void victory(){
  int i, j;
  digitalWrite(red, LOW);
  digitalWrite(green, LOW);
  digitalWrite(yellow, LOW);
  for(i=0;i<4;i++){
    for(i=0;i<3;i++){
      digitalWrite(red, HIGH);
      digitalWrite(green, LOW);
      digitalWrite(yellow, LOW);
      delay(200);
      digitalWrite(red, LOW);
      digitalWrite(green, HIGH);
      digitalWrite(yellow, LOW);
      delay(200);
      digitalWrite(red, LOW);
      digitalWrite(green, LOW);
      digitalWrite(yellow, HIGH);
      delay(200);
    }
  }
  loop();
}