// code C++

#define DIG4 *1;
#define DIG3 *10;
#define DIG2 *100;
#define DIG1 *1000;

int A = 2;
int B = 3;
int C = 4;
int D = 5;
int E = 6;
int F = 7;
int G = 8;
int DP = 9;

const int myPins[] ={A,B,C,D,E,F,G,DP};
const int digPins[] ={10,11,12,13};

void setup() {
  pinMode(myPins, OUTPUT);
  pinMode(A, OUTPUT);
  pinMode(B, OUTPUT);
  pinMode(C, OUTPUT);
  pinMode(D, OUTPUT);
  pinMode(E, OUTPUT);
  pinMode(F, OUTPUT);
  pinMode(G, OUTPUT);
  pinMode(DP, OUTPUT);
  
  for(int i=0;i<4;i++){
  pinMode(digPins[i], OUTPUT);
  }
}

void loop() {
    digitalWrite(A,1);
    digitalWrite(B,0);
    digitalWrite(C, HIGH);
    digitalWrite(D, LOW);
    digitalWrite(E,!1);
    digitalWrite(F,!0);
    digitalWrite(G, !HIGH);
    digitalWrite(DP, !LOW);

    digitalWrite(11, 0);

   for(int i=0;i<10;i++){
    showNumber(i);
    delay(50);
  }
}

void showNumber(int number){
  switch (number){
    case 1:
    digitalWrite(G,0);
    digitalWrite(F,0);
    digitalWrite(E,0);
    digitalWrite(D,0);
    digitalWrite(C,1);
    digitalWrite(B,1);
    digitalWrite(A,0);
    break;
    case 2:
    digitalWrite(G,1);
    digitalWrite(F,0);
    digitalWrite(E,1);
    digitalWrite(D,1);
    digitalWrite(C,0);
    digitalWrite(B,1);
  	digitalWrite(A,1);
  	break;
    case 3:
  	digitalWrite(G,1);
  	digitalWrite(F,0);
  	digitalWrite(E,0);
  	digitalWrite(D,1);
  	digitalWrite(C,1);
  	digitalWrite(B,1);
  	digitalWrite(A,1);
  	break;
    case 4:
  	digitalWrite(G,1);
    digitalWrite(F,1);
    digitalWrite(E,0);
    digitalWrite(D,0);
    digitalWrite(C,1);
    digitalWrite(B,1);
    digitalWrite(A,0);
    break;
    case 5:
    digitalWrite(G,1);
    digitalWrite(F,1);
    digitalWrite(E,0);
    digitalWrite(D,1);
    digitalWrite(C,1);
    digitalWrite(B,0);
    digitalWrite(A,1);
    break;
    case 6:
  	digitalWrite(G,1);
  	digitalWrite(F,1);
  	digitalWrite(E,1);
  	digitalWrite(D,1);
  	digitalWrite(C,1);
  	digitalWrite(B,0);
  	digitalWrite(A,1);
    break;
    case 7:
    digitalWrite(G,0);
    digitalWrite(F,0);
    digitalWrite(E,0);
    digitalWrite(D,0);
    digitalWrite(C,1);
    digitalWrite(B,1);
    digitalWrite(A,1);
    break;
    case 8:
    digitalWrite(G,1);
    digitalWrite(F,1);
    digitalWrite(E,1);
    digitalWrite(D,1);
    digitalWrite(C,1);
    digitalWrite(B,1);
    digitalWrite(A,1);
    break;
    case 9:
    digitalWrite(G,1);
    digitalWrite(F,1);
    digitalWrite(E,0);
    digitalWrite(D,1);
    digitalWrite(C,1);
    digitalWrite(B,1);
    digitalWrite(A,1);
    break;
    case 0:
    digitalWrite(G,0);
    digitalWrite(F,1);
    digitalWrite(E,1);
    digitalWrite(D,1);
    digitalWrite(C,1);
    digitalWrite(B,1);
    digitalWrite(A,1);
    break;
  }
  delay(1000); 
}