codeMic

byte x[]={7,7,7,2,5,7,7};
size_t sizex = 7;
byte output[10];
void setup() {
  Serial.begin(57600);


  int index=0;
  for(int i =0;i<sizex;)
  {
    int temp=0;
    if(x[i]==7){ //check if 7
      do{              //sum 7 into temp
        temp+=7;
        i++;
      }while(x[i]==7);  // check if the next one is still 7

    output[index]=temp; //push to array
    index++;

    }else {
      output[index]=x[i];    //ใสเลย ไม่ใช่ 7
      index++;
      i++;
    }
  }



for(int i =0;i<10;i++)
  Serial.println(output[i]);

}