// C++ code

//  https://www.tinkercad.com/things/6lTQttGwg4d

void setup()

{

  pinMode(4, OUTPUT); // A

  pinMode(5, OUTPUT); // B

  pinMode(12, OUTPUT); // C

  pinMode(11, OUTPUT); // D

  pinMode(10, OUTPUT); // E

  pinMode(3, OUTPUT);  // F

  pinMode(2, OUTPUT);  // G

  pinMode(13, OUTPUT); // DP

}

void loop()

{

  number0();     delay(1000); 

  number1();      delay(1000); 

  number2();     delay(1000); 

  number3();      delay(1000); 

  number4();     delay(1000); 

  number5();      delay(1000); 

  number6();     delay(1000); 

  number7();      delay(1000); 

  number8();      delay(1000); 

  number9();      delay(1000); 

}

void number0()

{

  digitalWrite(4, LOW);     

  digitalWrite(5, LOW);     

  digitalWrite(12, LOW);    

  digitalWrite(11, LOW);     

  digitalWrite(10, LOW);      

  digitalWrite(3, LOW);    

  digitalWrite(2, HIGH);     

  digitalWrite(13, HIGH);     

}

void number1()

{

  digitalWrite(4, HIGH);     

  digitalWrite(5, LOW);      

  digitalWrite(12, LOW);     

  digitalWrite(11, HIGH);      

  digitalWrite(10, HIGH);     

  digitalWrite(3, HIGH);       

  digitalWrite(2, HIGH);     

  digitalWrite(13, HIGH);     

}

void number2()

{

  digitalWrite(4, LOW);     

  digitalWrite(5, LOW);      

  digitalWrite(12, HIGH);     

  digitalWrite(11, LOW);       

  digitalWrite(10, LOW);    

  digitalWrite(3, HIGH);      

  digitalWrite(2, LOW);    

  digitalWrite(13, HIGH);      

}

void number3()

{

  digitalWrite(4, LOW);     

  digitalWrite(5, LOW);      

  digitalWrite(12, LOW);     

  digitalWrite(11, LOW);       

  digitalWrite(10, HIGH);    

  digitalWrite(3, HIGH);      

  digitalWrite(2, LOW);    

  digitalWrite(13, HIGH);      

}

void number4()

{

  digitalWrite(4, HIGH);    

  digitalWrite(5, LOW);     

  digitalWrite(12, LOW);      

  digitalWrite(11, HIGH);      

  digitalWrite(10, HIGH);     

  digitalWrite(3, LOW);    

  digitalWrite(2, LOW);     

  digitalWrite(13, HIGH);      

}

void number5()

{

  digitalWrite(4, LOW);     

  digitalWrite(5, HIGH);    

  digitalWrite(12, LOW);    

  digitalWrite(11, LOW);      

  digitalWrite(10, HIGH);     

  digitalWrite(3, LOW);       

  digitalWrite(2, LOW);     

  digitalWrite(13, HIGH);     

}

void number6()

{

  digitalWrite(4, LOW);     

  digitalWrite(5, HIGH);    

  digitalWrite(12, LOW);    

  digitalWrite(11, LOW);      

  digitalWrite(10, LOW);     

  digitalWrite(3, LOW);       

  digitalWrite(2, LOW);     

  digitalWrite(13, HIGH);     

}

void number7()

{

  digitalWrite(4, LOW);     

  digitalWrite(5, LOW);    

  digitalWrite(12, LOW);    

  digitalWrite(11, HIGH);      

  digitalWrite(10, HIGH);     

  digitalWrite(3, HIGH);       

  digitalWrite(2, HIGH);     

  digitalWrite(13, HIGH);     

}

void number8()

{

  digitalWrite(4, LOW);     

  digitalWrite(5, LOW);    

  digitalWrite(12, LOW);    

  digitalWrite(11, LOW);      

  digitalWrite(10, LOW);     

  digitalWrite(3, LOW);       

  digitalWrite(2, LOW);     

  digitalWrite(13, HIGH);     

}

void number9()

{

  digitalWrite(4, LOW);     

  digitalWrite(5, LOW);    

  digitalWrite(12, LOW);    

  digitalWrite(11, LOW);      

  digitalWrite(10, HIGH);     

  digitalWrite(3, LOW);       

  digitalWrite(2, LOW);     

  digitalWrite(13, HIGH);     

}