code uploaded in the arduino so it can increment the 7-segment display each time it detects an infra-red light

arduino_object_counter.ino

int num=0;
int flag=0;
char * p[]={"1101111", //0
            "1000100", //1
            "1110011", //2
            "1110110",//3
            "1011100",//4
            "0111110",//5
            "0111111",//6
            "1100100",//7
            "1111111",//8
            "1111110"//9
          };

void setup() {
  for (int i=2; i<9; i++) pinMode(i,OUTPUT);
  pinMode(10,INPUT);
}
void loop() {

  if(digitalRead(10)==HIGH) flag=1;
  else if(flag==1){
    increment();
    flag=0;
    delay(500);
  }
  
}

void increment()
{
  num=num%10;
  for(int i=2;i<9;i++)
  {
      if(p[num][i-2]=='1') digitalWrite(i,HIGH);
      else digitalWrite(i,LOW);
  }
  num++;

}